[INFO] fetching crate imago 0.1.4...
[INFO] checking imago-0.1.4 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate imago 0.1.4 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate imago 0.1.4 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vm-memory v0.16.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e2ec4ba691dccd3b925a50505f2e6c6b7728d23eb2849f88a99c85058a75482
[INFO] running `Command { std: "docker" "start" "-a" "7e2ec4ba691dccd3b925a50505f2e6c6b7728d23eb2849f88a99c85058a75482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e2ec4ba691dccd3b925a50505f2e6c6b7728d23eb2849f88a99c85058a75482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2ec4ba691dccd3b925a50505f2e6c6b7728d23eb2849f88a99c85058a75482", kill_on_drop: false }`
[INFO] [stdout] 7e2ec4ba691dccd3b925a50505f2e6c6b7728d23eb2849f88a99c85058a75482
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2360e1824bbac931e403389692feeafe85d53bbba750ec577eff98197ee7308
[INFO] running `Command { std: "docker" "start" "-a" "c2360e1824bbac931e403389692feeafe85d53bbba750ec577eff98197ee7308", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling imago v0.1.4 (/opt/rustwide/workdir)
[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 serde v1.0.213
[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) 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 test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c2360e1824bbac931e403389692feeafe85d53bbba750ec577eff98197ee7308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2360e1824bbac931e403389692feeafe85d53bbba750ec577eff98197ee7308", kill_on_drop: false }`
[INFO] [stdout] c2360e1824bbac931e403389692feeafe85d53bbba750ec577eff98197ee7308