[INFO] fetching crate ironbox 0.3.0...
[INFO] checking ironbox-0.3.0 against 656a9da186dacaf3bf8f7f7296a825d256cb4ae3 for pr-158915
[INFO] extracting crate ironbox 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ironbox 0.3.0
[INFO] finished tweaking crates.io crate ironbox 0.3.0
[INFO] tweaked toml for crates.io crate ironbox 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ironbox 0.3.0 on toolchain 656a9da186dacaf3bf8f7f7296a825d256cb4ae3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ironbox 0.3.0 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" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `ironbox` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-eventfd v0.2.2
[INFO] [stderr]   Downloaded prctl v1.0.0
[INFO] [stderr]   Downloaded oci-spec v0.7.1
[INFO] [stderr]   Downloaded containerd-shim v0.10.0
[INFO] [stderr]   Downloaded getset v0.1.6
[INFO] [stderr]   Downloaded vsock v0.3.0
[INFO] [stderr]   Downloaded tokio-vsock v0.4.0
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded prost-derive v0.8.0
[INFO] [stderr]   Downloaded ttrpc-compiler v0.8.0
[INFO] [stderr]   Downloaded go-flag v0.1.0
[INFO] [stderr]   Downloaded ttrpc-codegen v0.6.0
[INFO] [stderr]   Downloaded prost v0.8.0
[INFO] [stderr]   Downloaded which v7.0.3
[INFO] [stderr]   Downloaded prost-types v0.8.0
[INFO] [stderr]   Downloaded containerd-shim-protos v0.10.0
[INFO] [stderr]   Downloaded protobuf-codegen v3.7.2
[INFO] [stderr]   Downloaded ttrpc v0.8.6
[INFO] [stderr]   Downloaded protobuf-parse v3.7.2
[INFO] [stderr]   Downloaded cgroups-rs v0.3.4
[INFO] [stderr]   Downloaded prost-build v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3
[INFO] running `Command { std: "docker" "start" "b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3", 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" "b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3", 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" "b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `ironbox` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[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 futures-util v0.3.32
[INFO] [stderr]    Compiling petgraph v0.5.1
[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 getrandom v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling tempfile v3.26.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking num-conv v0.2.0
[INFO] [stderr]     Checking env_home v0.1.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking which v7.0.3
[INFO] [stderr]     Checking go-flag v0.1.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking prctl v1.0.0
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]     Checking signal-hook v0.3.18
[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 prost v0.8.0
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking vsock v0.3.0
[INFO] [stderr]     Checking cgroups-rs v0.3.4
[INFO] [stderr]     Checking oci-spec v0.7.1
[INFO] [stderr]    Compiling protobuf-parse v3.7.2
[INFO] [stderr]    Compiling protobuf-codegen v3.7.2
[INFO] [stderr]     Checking tokio-vsock v0.4.0
[INFO] [stderr]     Checking tokio-eventfd v0.2.2
[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] 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 56.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.29.0, nix v0.31.2, 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 3`
[INFO] running `Command { std: "docker" "inspect" "b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3", kill_on_drop: false }`
[INFO] [stdout] b3ca84818e88450af8c9a49805b19b91a8e84d47ee6552c54dd56bdd7066dda3
