[INFO] fetching crate imago 0.1.4...
[INFO] checking imago-0.1.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate imago 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate imago 0.1.4
[INFO] finished tweaking crates.io crate imago 0.1.4
[INFO] tweaked toml for crates.io crate imago 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate imago 0.1.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate imago 0.1.4 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6efd69e33f0124f785c48029e3e1f20375367113d3d8c9190c9db41588209732
[INFO] running `Command { std: "docker" "start" "-a" "6efd69e33f0124f785c48029e3e1f20375367113d3d8c9190c9db41588209732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6efd69e33f0124f785c48029e3e1f20375367113d3d8c9190c9db41588209732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efd69e33f0124f785c48029e3e1f20375367113d3d8c9190c9db41588209732", kill_on_drop: false }`
[INFO] [stdout] 6efd69e33f0124f785c48029e3e1f20375367113d3d8c9190c9db41588209732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6573ddae5b59b6a41a85be87930afb8c591beecb37125f62672b01de2401e9a9
[INFO] running `Command { std: "docker" "start" "-a" "6573ddae5b59b6a41a85be87930afb8c591beecb37125f62672b01de2401e9a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling imago v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] error: trait `ImagoAsRef` is never used
[INFO] [stdout]   --> src/misc_helpers.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait ImagoAsRef<'a, T: ?Sized> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-D dead-code` implied by `-D warnings`
[INFO] [stdout]    = help: to override `-D warnings` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imago` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: trait `ImagoAsRef` is never used
[INFO] [stdout]   --> src/misc_helpers.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait ImagoAsRef<'a, T: ?Sized> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-D dead-code` implied by `-D warnings`
[INFO] [stdout]    = help: to override `-D warnings` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imago` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6573ddae5b59b6a41a85be87930afb8c591beecb37125f62672b01de2401e9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6573ddae5b59b6a41a85be87930afb8c591beecb37125f62672b01de2401e9a9", kill_on_drop: false }`
[INFO] [stdout] 6573ddae5b59b6a41a85be87930afb8c591beecb37125f62672b01de2401e9a9