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2025-06-03 04:00.34: New job: test tarides/runtime_events_tools https://github.com/tarides/runtime_events_tools.git#refs/heads/main (6a3f6f6c90181e09c90fa69c5b4a0551c0810367) (linux-x86_64:(lint-fmt))
Base: ocaml/opam:debian-12-ocaml-4.08@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7
ocamlformat version: version 0.26.2 (from opam)


To reproduce locally:


git clone --recursive "https://github.com/tarides/runtime_events_tools.git" -b "main" && cd "runtime_events_tools" && git reset --hard 6a3f6f6c
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.08@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7
USER 1000:1000
RUN cd ~/opam-repository && (git cat-file -e 0eea63ad71af2b1116c556023bedc6bf083e6125 || git fetch origin master) && git reset -q --hard 0eea63ad71af2b1116c556023bedc6bf083e6125 && git log --no-decorate -n1 --oneline && opam update -u
RUN opam depext -i dune
WORKDIR /src
RUN opam depext -i ocamlformat=0.26.2
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


2025-06-03 04:00.34: Using cache hint "tarides/runtime_events_tools-ocaml/opam:debian-12-ocaml-4.08@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7-debian-12-4.08_opam-2.3-ocamlformat-0eea63ad71af2b1116c556023bedc6bf083e6125"
2025-06-03 04:00.34: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.08@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7)
(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 0eea63ad71af2b1116c556023bedc6bf083e6125 || git fetch origin master) && git reset -q --hard 0eea63ad71af2b1116c556023bedc6bf083e6125 && 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=0.26.2"))
(copy (src .) (dst /src/))
(run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
)


2025-06-03 04:00.34: Waiting for resource in pool OCluster
2025-06-03 04:00.34: Waiting for worker…
2025-06-03 04:00.35: Got resource from pool OCluster
Building on doris.caelum.ci.dev
All commits already cached
HEAD is now at 6a3f6f6 Merge pull request #55 from tmcgilchrist/hack


(from ocaml/opam:debian-12-ocaml-4.08@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7)
Unable to find image 'ocaml/opam:debian-12-ocaml-4.08@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7' locally
docker.io/ocaml/opam@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7: Pulling from ocaml/opam
4b9a22ae493c: Pulling fs layer
4b9a22ae493c: Verifying Checksum
4b9a22ae493c: Download complete
4b9a22ae493c: Pull complete
Digest: sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7
Status: Downloaded newer image for ocaml/opam@sha256:48fa4a7216c3973bb95572cf5dca98cbbcefe90f288f552e7ac70a8ccd438aa7
2025-06-03 04:00.36 ---> using "d1b97f3f32fc7cff4791d73e3fff398d19cc5b0541c709028ff05a921e22d2c8" 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 0eea63ad71af2b1116c556023bedc6bf083e6125 || git fetch origin master) && git reset -q --hard 0eea63ad71af2b1116c556023bedc6bf083e6125 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
0d013e603b..c037675bed  master     -> origin/master
0eea63ad71 Merge pull request #27946 from mtelvers/opam-publish-ocaml-version.4.0.1


<><> 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
2025-06-03 04:00.36 ---> using "96cf7cb4f290bdde63e0891300660f309335b98ec063b9c2de517b6b08952aac" 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 3.19.0


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[dune.3.19.0] found in cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed dune.3.19.0
Done.
# Run eval $(opam env) to update the current shell environment
2025-06-03 04:00.36 ---> using "89c0585fea6e0efe18837c1dd4fe4772483d123bc62d2e4be11e9db74e5475f0" from cache


/: (workdir /src)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i ocamlformat=0.26.2"))
# 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 cmdliner          1.3.0    [required by ocamlformat]
- install menhirLib         20240715 [required by ocamlformat-lib]
- install menhirCST         20240715 [required by menhir]
- install ocamlbuild        0.16.1   [required by fpath, astring, uuseg]
- install menhirSdk         20240715 [required by ocamlformat-lib]
- install either            1.0.0    [required by ocamlformat-lib]
- install ocaml-version     4.0.1    [required by ocamlformat-lib]
- install result            1.5      [required by ocamlformat-lib]
- install camlp-streams     5.0.1    [required by ocamlformat-lib]
- install csexp             1.5.2    [required by ocamlformat-lib]
- install seq               base     [required by re]
- install fix               20250428 [required by ocamlformat-lib]
- install ocamlfind         1.9.8    [required by ocp-indent, astring, fpath, uuseg]
- install dune-build-info   3.19.0   [required by ocamlformat-lib]
- install menhir            20240715 [required by ocamlformat-lib]
- install dune-configurator 3.19.0   [required by base]
- install re                1.11.0   [required by ocamlformat]
- install topkg             1.0.8    [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   0.26.2   [required by ocamlformat]
- install ocamlformat       0.26.2
===== 30 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.3.19.0] found in cache
[dune-configurator.3.19.0] 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.0.26.2] found in cache
[ocamlformat-lib.0.26.2] found in cache
[ocp-indent.1.8.1] found in cache
[re.1.11.0] found in cache
[result.1.5] found in cache
[sexplib0.v0.14.0] found in cache
[stdio.v0.14.0] found in cache
[topkg.1.0.8] 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 cmdliner.1.3.0
-> installed either.1.0.0
-> installed fix.20250428
-> installed menhirCST.20240715
-> installed menhirLib.20240715
-> installed menhirSdk.20240715
-> installed ocaml-version.4.0.1
-> installed re.1.11.0
-> installed result.1.5
-> installed sexplib0.v0.14.0
-> installed dune-build-info.3.19.0
-> installed dune-configurator.3.19.0
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed ocamlbuild.0.16.1
-> installed ocp-indent.1.8.1
-> installed base.v0.14.3
-> installed topkg.1.0.8
-> installed stdio.v0.14.0
-> installed uutf.1.0.4
-> installed astring.0.8.5
-> installed menhir.20240715
-> installed fpath.0.7.3
-> installed uucp.15.0.0
-> installed uuseg.15.0.0
-> installed ocamlformat-lib.0.26.2
-> installed ocamlformat.0.26.2
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
2025-06-03 04:00.36 ---> using "d4b210b2ae456b744c774a617bda109b260e6769e817ce6c891aeffd59db4bb6" from cache


/src: (copy (src .) (dst /src/))
2025-06-03 04:00.36 ---> using "2524d51372fb4ad0f48249c8dcf0065d6fb50f9bb03311a5f287b4f2cbdc21dd" from cache


/src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
File "test/dune", line 1, characters 0-0:
diff --git a/_build/default/test/dune b/_build/default/test/.formatted/dune
index 1cbe357..6e32f2c 100644
--- a/_build/default/test/dune
+++ b/_build/default/test/.formatted/dune
@@ -56,6 +56,7 @@
(run olly_bare trace --format=json test-bare-json.trace ./test_fib.exe))))


; Dummy process for testing process launching.
+
(executables
(names run_endlessly)
(libraries unix))
@@ -66,5 +67,6 @@
(enabled_if
(>= %{ocaml_version} 5.1.0))
(libraries olly_common alcotest)
-  (deps run_endlessly.exe)
- (action (run %{test} --show-errors)))
+ (deps run_endlessly.exe)
+ (action
+  (run %{test} --show-errors)))
File "test/run_endlessly.ml", line 1, characters 0-0:
diff --git a/_build/default/test/run_endlessly.ml b/_build/default/test/.formatted/run_endlessly.ml
index 52d8b74..698adec 100644
--- a/_build/default/test/run_endlessly.ml
+++ b/_build/default/test/.formatted/run_endlessly.ml
@@ -2,4 +2,4 @@ let _ =
let i = ref 0 in
while true do
i := 42
-  done
\ No newline at end of file
+  done
File "test/test_launch.ml", line 1, characters 0-0:
diff --git a/_build/default/test/test_launch.ml b/_build/default/test/.formatted/test_launch.ml
index 3457645..b0b3b17 100644
--- a/_build/default/test/test_launch.ml
+++ b/_build/default/test/.formatted/test_launch.ml
@@ -3,47 +3,44 @@ let process_launch_failure () =
let open Alcotest in
match_raises "executable not found on path should not launch"
(* Executable not found on path *)
-    (function
-     | Launch.Fail _ -> true
-     | _exn -> false)
-    (fun () -> ignore (Launch.exec_process ["missing.exe"]));
+      (function Launch.Fail _ -> true | _exn -> false)
+    (fun () -> ignore (Launch.exec_process [ "missing.exe" ]));


match_raises "non-executable should not launch"
(* File for exec_process is not an executable *)
-    (function
-     | Unix.Unix_error(Unix.EACCES, _, _) -> true
-     | _exn -> false)
-    (fun () -> ignore ( Launch.exec_process ["./run_endlessly.ml"]));
+      (function Unix.Unix_error (Unix.EACCES, _, _) -> true | _exn -> false)
+    (fun () -> ignore (Launch.exec_process [ "./run_endlessly.ml" ]));


match_raises "empty executable string should not launch"
(* Empty executable string provided *)
-    (function
-     | Launch.Fail _ -> true
-     | _exn -> false)
-    (fun () -> ignore ( Launch.exec_process [""]))
-
+      (function Launch.Fail _ -> true | _exn -> false)
+    (fun () -> ignore (Launch.exec_process [ "" ]))


let process_launch () =
let open Olly_common in
-  Alcotest.(check bool) "process should launch" true
+  Alcotest.(check bool)
+    "process should launch" true
(try
-       let a = Launch.exec_process ["./run_endlessly.exe"] in
+       let a = Launch.exec_process [ "./run_endlessly.exe" ] in
try
(* Sending signal Zero to kill checks the process exists for Unix. *)
Unix.kill a.pid 0;
true
with Unix.Unix_error (Unix.ESRCH, _, _) -> false
-
with
-     (* Any exceptions indicate a failure to launch *)
-     | Unix.Unix_error(Unix.ENOENT, _, _) -> false
-     | _exn -> Printf.printf "%s" (Printexc.to_string _exn); false)
+    (* Any exceptions indicate a failure to launch *)
+    | Unix.Unix_error (Unix.ENOENT, _, _) -> false
+    | _exn ->
+        Printf.printf "%s" (Printexc.to_string _exn);
+        false)


let () =
let open Alcotest in
-  run "Runtime Events Tools" [
-      "process",
-      [test_case "process::launch success" `Quick process_launch
-      ; test_case "process::launch failure" `Quick process_launch_failure
-      ]
-    ]
\ No newline at end of file
+  run "Runtime Events Tools"
+    [
+      ( "process",
+        [
+          test_case "process::launch success" `Quick process_launch;
+          test_case "process::launch failure" `Quick process_launch_failure;
+        ] );
+    ]
File "lib/olly_common/cli.ml", line 1, characters 0-0:
diff --git a/_build/default/lib/olly_common/cli.ml b/_build/default/lib/olly_common/.formatted/cli.ml
index 9f75d35..b9981ee 100644
--- a/_build/default/lib/olly_common/cli.ml
+++ b/_build/default/lib/olly_common/.formatted/cli.ml
@@ -37,9 +37,13 @@ let exec_args p =
let exec_and_args, ea_docv =
let doc = "Executable and arguments to trace." in
let docv = "EXECUTABLE" in
-    Term.(const List.concat
-          $ Arg.(value & pos_right (p - 1) (list ~sep: ' ' string) []
-          & info [] ~docv ~doc), docv)
+    Term.
+      ( (const List.concat
+        $ Arg.(
+            value
+            & pos_right (p - 1) (list ~sep:' ' string) []
+            & info [] ~docv ~doc)),
+        docv )
in
let attach_opt, ao_docv =
let doc =
File "lib/olly_common/launch.ml", line 1, characters 0-0:
diff --git a/_build/default/lib/olly_common/launch.ml b/_build/default/lib/olly_common/.formatted/launch.ml
index fad4d58..1fdb4c9 100644
--- a/_build/default/lib/olly_common/launch.ml
+++ b/_build/default/lib/olly_common/.formatted/launch.ml
@@ -8,9 +8,7 @@ type subprocess = {
pid : int;
}


-type exec_config =
-  | Attach of string * int
-  | Execute of string list
+type exec_config = Attach of string * int | Execute of string list


(* Raised by exec_process to indicate various unrecoverable failures. *)
exception Fail of string
@@ -37,12 +35,13 @@ let exec_process (argsl : string list) : subprocess =
|]
(Unix.environment ())
in
-  let child_pid = try
-    Unix.create_process_env executable_filename (Array.of_list argsl) env
-      Unix.stdin Unix.stdout Unix.stderr
-    with
-    | Unix.Unix_error(Unix.ENOENT, _, _) ->
-       raise (Fail (Printf.sprintf "executable %s not found" executable_filename))
+  let child_pid =
+    try
+      Unix.create_process_env executable_filename (Array.of_list argsl) env
+        Unix.stdin Unix.stdout Unix.stderr
+    with Unix.Unix_error (Unix.ENOENT, _, _) ->
+      raise
+        (Fail (Printf.sprintf "executable %s not found" executable_filename))
in
Unix.sleepf 0.1;
let cursor = Runtime_events.create_cursor (Some (dir, child_pid)) in
@@ -55,9 +54,7 @@ let exec_process (argsl : string list) : subprocess =
Runtime_events.free_cursor cursor;
(* We need to remove the ring buffers ourselves because we told
the child process not to remove them *)
-    let ring_file =
-      Filename.concat dir (string_of_int child_pid ^ ".events")
-    in
+    let ring_file = Filename.concat dir (string_of_int child_pid ^ ".events") in
Unix.unlink ring_file
in
{ alive; cursor; close; pid = child_pid }
File "lib/olly_gc_stats/olly_gc_stats.ml", line 1, characters 0-0:
diff --git a/_build/default/lib/olly_gc_stats/olly_gc_stats.ml b/_build/default/lib/olly_gc_stats/.formatted/olly_gc_stats.ml
index 6a5c214..f12fe30 100644
--- a/_build/default/lib/olly_gc_stats/olly_gc_stats.ml
+++ b/_build/default/lib/olly_gc_stats/.formatted/olly_gc_stats.ml
@@ -142,8 +142,9 @@ let gc_stats json output exec_args =
olly
{ empty_config with runtime_begin; runtime_end; lifecycle; init; cleanup }
exec_args
-  with
-  | Fail msg -> Printf.eprintf "%s\n" msg; exit (-1)
+  with Fail msg ->
+    Printf.eprintf "%s\n" msg;
+    exit (-1)


let gc_stats_cmd =
let open Cmdliner 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
2025-06-03 04:00.37: Job failed: Failed: Build failed