[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 f1c52bf13c990fc425c542cc90a0396a87db24ba for pr-164812
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtclinton%2Fironbox" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mtclinton/ironbox on toolchain f1c52bf13c990fc425c542cc90a0396a87db24ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "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" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9
[INFO] running `Command { std: "docker" "start" "2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
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[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling prost-types v0.8.0
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[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
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[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking protobuf-support v3.7.2
[INFO] [stderr]     Checking cgroups-rs v0.3.4
[INFO] [stderr]     Checking vsock v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking oci-spec v0.7.1
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling protobuf-parse v3.7.2
[INFO] [stderr]     Checking tokio-vsock v0.4.0
[INFO] [stderr]     Checking tokio-eventfd v0.2.2
[INFO] [stderr]    Compiling protobuf-codegen v3.7.2
[INFO] [stderr]    Compiling ttrpc-compiler v0.8.0
[INFO] [stderr]    Compiling ttrpc-codegen v0.6.0
[INFO] [stderr]    Compiling ttrpc v0.8.6
[INFO] [stderr]    Compiling containerd-shim-protos v0.10.0
[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] 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] 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] 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] 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 1m 11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9", kill_on_drop: false }`
[INFO] [stdout] 2b6f4edae1e5cc2aae5f1a164169aa956fe79a895c0b0dce04106c2878732ee9
