[INFO] cloning repository https://github.com/Paul-Passeron/MonoCaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Paul-Passeron/MonoCaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaul-Passeron%2FMonoCaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaul-Passeron%2FMonoCaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e28f69f9d20619e4049a73e5810f76fd2cb0193
[INFO] checking Paul-Passeron/MonoCaml against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaul-Passeron%2FMonoCaml" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Paul-Passeron/MonoCaml
[INFO] finished tweaking git repo https://github.com/Paul-Passeron/MonoCaml
[INFO] tweaked toml for git repo https://github.com/Paul-Passeron/MonoCaml written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Paul-Passeron/MonoCaml on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest Rust 1.95.0 compatible versions
[INFO] [stderr]       Adding inkwell v0.8.0 (available: v0.9.0)
[INFO] [stderr]       Adding llvm-sys v160.2.1 (available: v221.0.1)
[INFO] [stderr]       Adding rand v0.9.4 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inkwell_internals v0.13.0
[INFO] [stderr]   Downloaded llvm-sys v160.2.1
[INFO] [stderr]   Downloaded inkwell v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eb3d142e1a134072db786950ec2190ae0dd713a90ac925ce2cefdfc9110dbde
[INFO] running `Command { std: "docker" "start" "-a" "2eb3d142e1a134072db786950ec2190ae0dd713a90ac925ce2cefdfc9110dbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb3d142e1a134072db786950ec2190ae0dd713a90ac925ce2cefdfc9110dbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb3d142e1a134072db786950ec2190ae0dd713a90ac925ce2cefdfc9110dbde", kill_on_drop: false }`
[INFO] [stdout] 2eb3d142e1a134072db786950ec2190ae0dd713a90ac925ce2cefdfc9110dbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64dc7e13fcd0c4ba0864cd2a94466cc82686f0e3c3bb989a889f2b5e1a959904
[INFO] running `Command { std: "docker" "start" "-a" "64dc7e13fcd0c4ba0864cd2a94466cc82686f0e3c3bb989a889f2b5e1a959904", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]    Compiling inkwell v0.8.0
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking fastrand v2.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling inkwell_internals v0.13.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]     Checking rand v0.9.4
[INFO] [stderr]    Compiling llvm-sys v160.2.1
[INFO] [stderr]     Checking monocaml_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(normalize_lexically, exit_status_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(normalize_lexically, exit_status_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::once`
[INFO] [stdout]  --> src/monomorph/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     iter::once,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::once`
[INFO] [stdout]  --> src/monomorph/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     iter::once,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_vb`
[INFO] [stdout]    --> src/monomorph/mod.rs:361:26
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     let (new_vb, rename) = self.specialize_binding(*vb_id, callee_subst);
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_vb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rename`
[INFO] [stdout]    --> src/monomorph/mod.rs:413:30
[INFO] [stdout]     |
[INFO] [stdout] 413 |                     let (id, rename) = self.specialize_binding(binding.id, local_subst);
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_vb`
[INFO] [stdout]    --> src/monomorph/mod.rs:361:26
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     let (new_vb, rename) = self.specialize_binding(*vb_id, callee_subst);
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_vb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rename`
[INFO] [stdout]    --> src/monomorph/mod.rs:413:30
[INFO] [stdout]     |
[INFO] [stdout] 413 |                     let (id, rename) = self.specialize_binding(binding.id, local_subst);
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monocaml_playground` (bin "monocaml_playground" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `monocaml_playground` (bin "monocaml_playground") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "64dc7e13fcd0c4ba0864cd2a94466cc82686f0e3c3bb989a889f2b5e1a959904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64dc7e13fcd0c4ba0864cd2a94466cc82686f0e3c3bb989a889f2b5e1a959904", kill_on_drop: false }`
[INFO] [stdout] 64dc7e13fcd0c4ba0864cd2a94466cc82686f0e3c3bb989a889f2b5e1a959904
