Organisationsahrefsocannlfb4b36 ()(lint-fmt)

(lint-fmt)

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2025-08-02 13:13.01: New job: test ahrefs/ocannl https://github.com/ahrefs/ocannl.git#refs/heads/master (fb4b363045dd0c8ed4a7fc8b847b0c5a85c44e5c) (linux-x86_64:(lint-fmt))
Base: ocaml/opam:debian-12-ocaml-4.08@sha256:474656ea1593a299054f8966c700443fa0944c9534de3da94ca6dfab4a44c47a
ocamlformat version: version 0.27.0 (from opam)

To reproduce locally:

git clone --recursive "https://github.com/ahrefs/ocannl.git" -b "master" && cd "ocannl" && git reset --hard fb4b3630
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.08@sha256:474656ea1593a299054f8966c700443fa0944c9534de3da94ca6dfab4a44c47a
USER 1000:1000
RUN cd ~/opam-repository && (git cat-file -e b8021439f8c57ba6435bc2263f6596671f4f4466 || git fetch origin master) && git reset -q --hard b8021439f8c57ba6435bc2263f6596671f4f4466 && git log --no-decorate -n1 --oneline && opam update -u
RUN opam depext -i dune
WORKDIR /src
RUN opam depext -i ocamlformat=0.27.0
COPY --chown=1000:1000 . /src/
RUN opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2)

END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK

2025-08-02 13:13.01: Using cache hint "ahrefs/ocannl-ocaml/opam:debian-12-ocaml-4.08@sha256:474656ea1593a299054f8966c700443fa0944c9534de3da94ca6dfab4a44c47a-debian-12-4.08_opam-2.4-ocamlformat-b8021439f8c57ba6435bc2263f6596671f4f4466"
2025-08-02 13:13.01: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.08@sha256:474656ea1593a299054f8966c700443fa0944c9534de3da94ca6dfab4a44c47a)
 (user (uid 1000) (gid 1000))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "cd ~/opam-repository && (git cat-file -e b8021439f8c57ba6435bc2263f6596671f4f4466 || git fetch origin master) && git reset -q --hard b8021439f8c57ba6435bc2263f6596671f4f4466 && git log --no-decorate -n1 --oneline && opam update -u"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "opam depext -i dune"))
 (workdir /src)
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "opam depext -i ocamlformat=0.27.0"))
 (copy (src .) (dst /src/))
 (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
)

2025-08-02 13:13.01: Waiting for resource in pool OCluster
2025-08-02 13:13.01: Waiting for worker…
2025-08-02 13:13.02: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
HEAD is now at fb4b3630 First pass on a slew of bugs uncovered by the Metal backend Very strange to be getting session-level bugs in one of the backends but not the other.

(from ocaml/opam:debian-12-ocaml-4.08@sha256:474656ea1593a299054f8966c700443fa0944c9534de3da94ca6dfab4a44c47a)
2025-08-02 13:13.03 ---> using "1d0024db739bd078f91b2384c47919652a4b72a425e3e24ce24cfd1f6debdfbc" from cache

/: (user (uid 1000) (gid 1000))

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "cd ~/opam-repository && (git cat-file -e b8021439f8c57ba6435bc2263f6596671f4f4466 || git fetch origin master) && git reset -q --hard b8021439f8c57ba6435bc2263f6596671f4f4466 && git log --no-decorate -n1 --oneline && opam update -u"))
b8021439f8 Merge pull request #28261 from kit-ty-kate/deploy-fix-25819

<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
default (at git+file:///home/opam/opam-repository): 
    [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)


Everything as up-to-date as possible (run with --verbose to show unavailable upgrades).
However, you may "opam upgrade" these packages explicitly, which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2025-08-02 13:13.03 ---> using "76d9d96bb26da3c78200d383fd35f876d80571baf05962331a1fff5f47db0e2e" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam depext -i dune"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
# All required OS packages found.
# Now letting opam install the packages
The following actions will be performed:
  - install dune 3.19.1

<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[dune.3.19.1] found in cache

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed dune.3.19.1
Done.
# Run eval $(opam env) to update the current shell environment
2025-08-02 13:13.03 ---> using "da0888a20a067de19f6183f0b497dcc2d1ea7f7036861cc50f633c662efdce4f" from cache

/: (workdir /src)

/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
           (network host)
           (shell "opam depext -i ocamlformat=0.27.0"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
# All required OS packages found.
# Now letting opam install the packages
The following actions will be performed:
  - install sexplib0          v0.14.0  [required by base]
  - install menhirLib         20240715 [required by ocamlformat-lib]
  - install menhirCST         20240715 [required by menhir]
  - install ocamlbuild        0.16.1   [required by fpath, astring, uuseg]
  - install cmdliner          1.3.0    [required by ocamlformat]
  - install menhirSdk         20240715 [required by ocamlformat-lib]
  - install either            1.0.0    [required by ocamlformat-lib]
  - install csexp             1.5.2    [required by ocamlformat]
  - install dune-build-info   3.19.1   [required by ocamlformat-lib]
  - install camlp-streams     5.0.1    [required by ocamlformat-lib]
  - install seq               base     [required by re]
  - install fix               20250428 [required by ocamlformat-lib]
  - install ocaml-version     4.0.1    [required by ocamlformat-lib]
  - install ocamlfind         1.9.8    [required by ocp-indent, astring, fpath, uuseg]
  - install menhir            20240715 [required by ocamlformat-lib]
  - install dune-configurator 3.19.1   [required by base]
  - install re                1.11.0   [required by ocamlformat]
  - install topkg             1.1.0    [required by fpath, astring, uuseg]
  - install base-bytes        base     [required by ocp-indent]
  - install base              v0.14.3  [required by ocamlformat-lib]
  - install uutf              1.0.4    [required by ocamlformat-lib]
  - install astring           0.8.5    [required by ocamlformat-lib]
  - install ocp-indent        1.8.1    [required by ocamlformat-lib]
  - install stdio             v0.14.0  [required by ocamlformat-lib]
  - install uucp              15.0.0   [required by uuseg]
  - install fpath             0.7.3    [required by ocamlformat-lib]
  - install uuseg             15.0.0   [required by ocamlformat-lib]
  - install ocamlformat-lib   0.27.0   [required by ocamlformat]
  - install ocamlformat       0.27.0
===== 29 to install =====

<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[astring.0.8.5] found in cache
[base.v0.14.3] found in cache
[camlp-streams.5.0.1] found in cache
[cmdliner.1.3.0] found in cache
[csexp.1.5.2] found in cache
[dune-build-info.3.19.1] found in cache
[dune-configurator.3.19.1] found in cache
[either.1.0.0] found in cache
[fix.20250428] found in cache
[fpath.0.7.3] found in cache
[menhir.20240715] found in cache
[menhirCST.20240715] found in cache
[menhirLib.20240715] found in cache
[menhirSdk.20240715] found in cache
[ocaml-version.4.0.1] found in cache
[ocamlbuild.0.16.1] found in cache
[ocamlfind.1.9.8] found in cache
[ocamlformat.0.27.0] found in cache
[ocamlformat-lib.0.27.0] found in cache
[ocp-indent.1.8.1] found in cache
[re.1.11.0] found in cache
[sexplib0.v0.14.0] found in cache
[stdio.v0.14.0] found in cache
[topkg.1.1.0] found in cache
[uucp.15.0.0] found in cache
[uuseg.15.0.0] found in cache
[uutf.1.0.4] found in cache

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed seq.base
-> installed camlp-streams.5.0.1
-> installed csexp.1.5.2
-> installed either.1.0.0
-> installed fix.20250428
-> installed cmdliner.1.3.0
-> installed menhirCST.20240715
-> installed menhirLib.20240715
-> installed menhirSdk.20240715
-> installed ocaml-version.4.0.1
-> installed re.1.11.0
-> installed sexplib0.v0.14.0
-> installed dune-build-info.3.19.1
-> installed dune-configurator.3.19.1
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed ocp-indent.1.8.1
-> installed ocamlbuild.0.16.1
-> installed base.v0.14.3
-> installed stdio.v0.14.0
-> installed topkg.1.1.0
-> installed uutf.1.0.4
-> installed astring.0.8.5
-> installed fpath.0.7.3
-> installed menhir.20240715
-> installed uucp.15.0.0
-> installed uuseg.15.0.0
-> installed ocamlformat-lib.0.27.0
-> installed ocamlformat.0.27.0
Done.

<><> ocp-indent.1.8.1 installed successfully ><><><><><><><><><><><><><><><><><>
=> This package requires additional configuration for use in editors. Install package 'user-setup', or manually:

   * for Emacs, add these lines to ~/.emacs:
     (add-to-list 'load-path "/home/opam/.opam/4.08/share/emacs/site-lisp")
     (require 'ocp-indent)

   * for Vim, add this line to ~/.vimrc:
     set rtp^="/home/opam/.opam/4.08/share/ocp-indent/vim"
# Run eval $(opam env) to update the current shell environment
2025-08-02 13:13.03 ---> using "86ec8dcb8046a1e5dacfb1841e8c026d30cfead67649bcb6d6a8f9ddd6fb153d" from cache

/src: (copy (src .) (dst /src/))
2025-08-02 13:13.04 ---> saved as "0bb7655d5ba61b9a506341508d01c157d969961c6825d240885a23faa640069b"

/src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
File "arrayjit/bin/dune", line 6, characters 30-43:
6 |   (pps ppx_here ppx_minidebug ppx_sexp_conv))
                                  ^^^^^^^^^^^^^
Error: Library "ppx_sexp_conv" not found.
-> required by _build/default/arrayjit/bin/read_config.exe
-> required by %{dep:../../../arrayjit/bin/read_config.exe} at
   test/operations/dune:17
-> required by _build/default/test/operations/config/ocannl_backend.txt
-> required by %{read:config/ocannl_backend.txt} at test/operations/dune:33
-> required by Computing directory contents of _build/default/test/operations
File "arrayjit/bin/dune", line 6, characters 7-15:
6 |   (pps ppx_here ppx_minidebug ppx_sexp_conv))
           ^^^^^^^^
Error: Library "ppx_here" not found.
-> required by _build/default/arrayjit/bin/.merlin-conf/exe-read_config
-> required by _build/default/arrayjit/bin/read_config.exe
-> required by %{dep:../../../arrayjit/bin/read_config.exe} at
   test/operations/dune:17
-> required by _build/default/test/operations/config/ocannl_backend.txt
-> required by %{read:config/ocannl_backend.txt} at test/operations/dune:33
-> required by Computing directory contents of _build/default/test/operations
File "arrayjit/lib/builtins_cuda_large.ml", line 1, characters 0-0:
diff --git a/_build/default/arrayjit/lib/builtins_cuda_large.ml b/_build/default/arrayjit/lib/.formatted/builtins_cuda_large.ml
index 9f8e884..9a7add2 100644
--- a/_build/default/arrayjit/lib/builtins_cuda_large.ml
+++ b/_build/default/arrayjit/lib/.formatted/builtins_cuda_large.ml
@@ -1,4 +1,5 @@
-let source = {|
+let source =
+  {|
 #include <cuda_runtime.h>
 #include <stdint.h>
 
@@ -110,4 +111,4 @@ __device__ uint4x32_t arrayjit_threefry4x32_impl(uint4x32_t key, uint4x32_t coun
 
 __device__ uint4x32_t ( *arrayjit_threefry4x32)(uint4x32_t key, uint4x32_t counter) = arrayjit_threefry4x32_impl;
 
-|}
\ No newline at end of file
+|}
File "arrayjit/lib/builtins_cuda_small.ml", line 1, characters 0-0:
diff --git a/_build/default/arrayjit/lib/builtins_cuda_small.ml b/_build/default/arrayjit/lib/.formatted/builtins_cuda_small.ml
index 94b807a..f69f9fd 100644
--- a/_build/default/arrayjit/lib/builtins_cuda_small.ml
+++ b/_build/default/arrayjit/lib/.formatted/builtins_cuda_small.ml
@@ -1,4 +1,5 @@
-let source = {|
+let source =
+  {|
 typedef struct {
     uint32_t v[4];
 } uint4x32_t;
@@ -182,4 +183,4 @@ __device__ uint8x16_t uint4x32_to_u8_uniform_vec(uint4x32_t x) {
   }
   return result;
 }
-|}
\ No newline at end of file
+|}
File "arrayjit/lib/builtins_metal.ml", line 1, characters 0-0:
diff --git a/_build/default/arrayjit/lib/builtins_metal.ml b/_build/default/arrayjit/lib/.formatted/builtins_metal.ml
index ae0e1b1..e87f3a5 100644
--- a/_build/default/arrayjit/lib/builtins_metal.ml
+++ b/_build/default/arrayjit/lib/.formatted/builtins_metal.ml
@@ -1,4 +1,5 @@
-let source = {|
+let source =
+  {|
 #include <metal_stdlib>
 using namespace metal;
 
@@ -369,4 +370,4 @@ uint4 half_to_uint4x32(uint16_t x) {
 uint4 fp8_to_uint4x32(uint8_t x) {
     return uint4(uint32_t(x), 0, 0, 0);
 }
-|}
\ No newline at end of file
+|}
File "datasets/half_moons.ml", line 1, characters 0-0:
diff --git a/_build/default/datasets/half_moons.ml b/_build/default/datasets/.formatted/half_moons.ml
index dea5c70..2256b9e 100644
--- a/_build/default/datasets/half_moons.ml
+++ b/_build/default/datasets/.formatted/half_moons.ml
@@ -51,7 +51,7 @@ let generate_with_kind kind ?(config = Config.default) ~len () =
     let c = Float.cos v and s = Float.sin v in
     let x = 1.0 -. c +. noise () in
     let y = 0.5 -. s +. noise () in
-    let idx = i * 2 + 1 in
+    let idx = (i * 2) + 1 in
     Genarray.set coordinates [| idx; 0 |] x;
     Genarray.set coordinates [| idx; 1 |] y;
     Genarray.set labels [| idx; 0 |] (-1.0)
File "test/training/moons_demo.ml", line 1, characters 0-0:
diff --git a/_build/default/test/training/moons_demo.ml b/_build/default/test/training/.formatted/moons_demo.ml
index 06554bb..2a10c7a 100644
--- a/_build/default/test/training/moons_demo.ml
+++ b/_build/default/test/training/.formatted/moons_demo.ml
@@ -29,7 +29,7 @@ let main () =
   let step_n, bindings = IDX.get_static_symbol bindings in
   let moons_flat = TDSL.rebatch ~l:"moons_flat" moons_flat_ndarray () in
   let moons_classes = TDSL.rebatch ~l:"moons_classes" moons_classes_ndarray () in
-  let%op mlp x = ("w3" * relu ("b2" 16 + ("w2" * relu ("b1" 16 + ("w1" * x))))) in
+  let%op mlp x = "w3" * relu ("b2" 16 + ("w2" * relu ("b1" 16 + ("w1" * x)))) in
   (* Don't decay the learning rate too quickly, it behaves better than in the original. *)
   let%op moons_input = moons_flat @| batch_n in
   let%op moons_class = moons_classes @| batch_n in
File "arrayjit/lib/metal_backend.ml", line 1, characters 0-0:
diff --git a/_build/default/arrayjit/lib/metal_backend.ml b/_build/default/arrayjit/lib/.formatted/metal_backend.ml
index a53239d..de72e2d 100644
--- a/_build/default/arrayjit/lib/metal_backend.ml
+++ b/_build/default/arrayjit/lib/.formatted/metal_backend.ml
@@ -448,13 +448,15 @@ end) : Ir.Backend_impl.Lowered_backend = struct
       | Ops.Bfloat16_prec _ -> "bfloat" (* Metal supports bfloat16 natively *)
       | Ops.Fp8_prec _ -> invalid_arg "Metal backend does not support FP8 precision"
       | Ops.Single_prec _ -> "float"
-      | Ops.Double_prec _ -> raise @@ Utils.User_error "Metal backend does not support double precision"
+      | Ops.Double_prec _ ->
+          raise @@ Utils.User_error "Metal backend does not support double precision"
       | Ops.Void_prec -> "void"
 
     let vec_typ_of_prec ~length prec =
       match (prec, length) with
       | Ops.Single_prec _, 4 -> "float4_t"
-      | Ops.Double_prec _, 2 -> raise @@ Utils.User_error "Metal backend does not support double precision"
+      | Ops.Double_prec _, 2 ->
+          raise @@ Utils.User_error "Metal backend does not support double precision"
       | Ops.Int32_prec _, 4 -> "int32x4_t"
       | (Ops.Byte_prec _ | Ops.Fp8_prec _), 16 -> "int8x16_t"
       | (Ops.Uint16_prec _ | Ops.Bfloat16_prec _), 8 -> "uint16x8_t"
@@ -472,7 +474,8 @@ end) : Ir.Backend_impl.Lowered_backend = struct
       | Ops.Bfloat16_prec _ -> "bf" (* TODO: Verify actual Metal suffix for bfloat16 *)
       | Ops.Fp8_prec _ -> invalid_arg "Metal backend does not support FP8 precision"
       | Ops.Single_prec _ -> "f"
-      | Ops.Double_prec _ -> raise @@ Utils.User_error "Metal backend does not support double precision"
+      | Ops.Double_prec _ ->
+          raise @@ Utils.User_error "Metal backend does not support double precision"
       | Ops.Void_prec -> ""
 
     let ternop_syntax _prec op =
@@ -532,13 +535,17 @@ end) : Ir.Backend_impl.Lowered_backend = struct
                  ^^ space ^^ string "?" ^^ space ^^ v2 ^^ space ^^ string ":" ^^ space
                  ^^ string ("0.0" ^ s)))
       | ToPowOf, _ -> func "pow"
-      | Threefry4x32, _ ->
+      | Threefry4x32, _ -> (
           (* Threefry4x32 must output to uint4x32 precision *)
-          (match prec with
+          match prec with
           | Ops.Uint4x32_prec _ -> func "arrayjit_threefry4x32"
-          | _ -> raise @@ Utils.User_error 
-              (Printf.sprintf "Metal backend: Threefry4x32 requires target precision to be uint4x32, but got %s"
-                 (Ops.prec_string prec)))
+          | _ ->
+              raise
+              @@ Utils.User_error
+                   (Printf.sprintf
+                      "Metal backend: Threefry4x32 requires target precision to be uint4x32, but \
+                       got %s"
+                      (Ops.prec_string prec)))
       | Arg1, _ | Arg2, _ -> invalid_arg "Metal C_syntax_config: Arg1/Arg2 not operators"
 
     let unop_syntax prec op =
@@ -555,7 +562,8 @@ end) : Ir.Backend_impl.Lowered_backend = struct
       | Sqrt, _ -> func_doc "sqrt"
       | Relu, Ops.Half_prec _ -> fun v -> func_doc "max" (separate comma_sep [ string "0.0h"; v ])
       | Relu, Ops.Single_prec _ -> fun v -> func_doc "max" (separate comma_sep [ string "0.0f"; v ])
-      | Relu, Ops.Double_prec _ -> raise @@ Utils.User_error "Metal backend does not support double precision"
+      | Relu, Ops.Double_prec _ ->
+          raise @@ Utils.User_error "Metal backend does not support double precision"
       | Relu, _ (* Byte_prec, Void_prec *) ->
           fun v -> func_doc "max" (separate comma_sep [ string "0"; v ])
       | Satur01, p ->
File "arrayjit/lib/cuda_backend.ml", line 1, characters 0-0:
diff --git a/_build/default/arrayjit/lib/cuda_backend.ml b/_build/default/arrayjit/lib/.formatted/cuda_backend.ml
index 2d0b19e..30efc3d 100644
--- a/_build/default/arrayjit/lib/cuda_backend.ml
+++ b/_build/default/arrayjit/lib/.formatted/cuda_backend.ml
@@ -588,13 +588,17 @@ end) : Ir.Backend_impl.Lowered_backend = struct
       | Cmpeq, _ -> f "=="
       | Or, _ -> f "||"
       | And, _ -> f "&&"
-      | Threefry4x32, _ ->
+      | Threefry4x32, _ -> (
           (* Threefry4x32 must output to uint4x32 precision *)
-          (match prec with
+          match prec with
           | Ops.Uint4x32_prec _ -> func "arrayjit_threefry4x32"
-          | _ -> raise @@ Utils.User_error 
-              (Printf.sprintf "CUDA backend: Threefry4x32 requires target precision to be uint4x32, but got %s"
-                 (Ops.prec_string prec)))
+          | _ ->
+              raise
+              @@ Utils.User_error
+                   (Printf.sprintf
+                      "CUDA backend: Threefry4x32 requires target precision to be uint4x32, but \
+                       got %s"
+                      (Ops.prec_string prec)))
 
     let unop_syntax prec v =
       let open PPrint in
dune build @fmt failed
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2)" failed with exit status 2
2025-08-02 13:13.05: Job failed: Failed: Build failed