[INFO] cloning repository https://github.com/mtclinton/ironbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtclinton/ironbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtclinton%2Fironbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtclinton%2Fironbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 695254e37d976094f679a3073fdf74f94cac6c46
[INFO] checking mtclinton/ironbox against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtclinton%2Fironbox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mtclinton/ironbox
[INFO] finished tweaking git repo https://github.com/mtclinton/ironbox
[INFO] tweaked toml for git repo https://github.com/mtclinton/ironbox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mtclinton/ironbox on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mtclinton/ironbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0303e40325c131fc51d2831c6a618378abb7354d416463770d51379f363b97e6
[INFO] running `Command { std: "docker" "start" "-a" "0303e40325c131fc51d2831c6a618378abb7354d416463770d51379f363b97e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0303e40325c131fc51d2831c6a618378abb7354d416463770d51379f363b97e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0303e40325c131fc51d2831c6a618378abb7354d416463770d51379f363b97e6", kill_on_drop: false }`
[INFO] [stdout] 0303e40325c131fc51d2831c6a618378abb7354d416463770d51379f363b97e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a917a14ac91e47b576f60c5183e443a8d92cb09120580471ce9fa258b6b3ec
[INFO] running `Command { std: "docker" "start" "-a" "e9a917a14ac91e47b576f60c5183e443a8d92cb09120580471ce9fa258b6b3ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking value-bag v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling tempfile v3.26.0
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking env_home v0.1.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking which v7.0.3
[INFO] [stderr]     Checking go-flag v0.1.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]     Checking prctl v1.0.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking uuid v1.22.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]    Compiling protobuf-parse v3.7.2
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]     Checking oci-spec v0.7.1
[INFO] [stderr]     Checking cgroups-rs v0.3.4
[INFO] [stderr]    Compiling protobuf-codegen v3.7.2
[INFO] [stderr]     Checking vsock v0.3.0
[INFO] [stderr]    Compiling ttrpc-compiler v0.8.0
[INFO] [stderr]    Compiling ttrpc v0.8.6
[INFO] [stderr]    Compiling ttrpc-codegen v0.6.0
[INFO] [stderr]    Compiling containerd-shim-protos v0.10.0
[INFO] [stderr]     Checking tokio-vsock v0.4.0
[INFO] [stderr]     Checking tokio-eventfd v0.2.2
[INFO] [stderr]     Checking containerd-shim v0.10.0
[INFO] [stderr]     Checking ironbox v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/runtime/container.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 386 | /     nix::unistd::execvp(&program, &c_args)
[INFO] [stdout] 387 | |         .map_err(|e| other!("execvp {}: {}", args[0], e))?;
[INFO] [stdout]     | |__________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 388 |
[INFO] [stdout] 389 |       unreachable!()
[INFO] [stdout]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/runtime/exec.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | /     nix::unistd::execvp(&program, &c_args)
[INFO] [stdout] 232 | |         .map_err(|e| other!("execvp {}: {}", args[0], e))?;
[INFO] [stdout]     | |__________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 233 |
[INFO] [stdout] 234 |       unreachable!()
[INFO] [stdout]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/runtime/container.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 386 | /     nix::unistd::execvp(&program, &c_args)
[INFO] [stdout] 387 | |         .map_err(|e| other!("execvp {}: {}", args[0], e))?;
[INFO] [stdout]     | |__________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 388 |
[INFO] [stdout] 389 |       unreachable!()
[INFO] [stdout]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/runtime/exec.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | /     nix::unistd::execvp(&program, &c_args)
[INFO] [stdout] 232 | |         .map_err(|e| other!("execvp {}: {}", args[0], e))?;
[INFO] [stdout]     | |__________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 233 |
[INFO] [stdout] 234 |       unreachable!()
[INFO] [stdout]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.47s
[INFO] running `Command { std: "docker" "inspect" "e9a917a14ac91e47b576f60c5183e443a8d92cb09120580471ce9fa258b6b3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a917a14ac91e47b576f60c5183e443a8d92cb09120580471ce9fa258b6b3ec", kill_on_drop: false }`
[INFO] [stdout] e9a917a14ac91e47b576f60c5183e443a8d92cb09120580471ce9fa258b6b3ec