[INFO] fetching crate ultraviolet 0.10.0...
[INFO] checking ultraviolet-0.10.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ultraviolet 0.10.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ultraviolet 0.10.0
[INFO] finished tweaking crates.io crate ultraviolet 0.10.0
[INFO] tweaked toml for crates.io crate ultraviolet 0.10.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ultraviolet 0.10.0 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 ultraviolet 0.10.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bcee74f201b15fc6e374c6a66a1a86a0707a3e407139e864fc8535581a478fe2
[INFO] running `Command { std: "docker" "start" "-a" "bcee74f201b15fc6e374c6a66a1a86a0707a3e407139e864fc8535581a478fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcee74f201b15fc6e374c6a66a1a86a0707a3e407139e864fc8535581a478fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcee74f201b15fc6e374c6a66a1a86a0707a3e407139e864fc8535581a478fe2", kill_on_drop: false }`
[INFO] [stdout] bcee74f201b15fc6e374c6a66a1a86a0707a3e407139e864fc8535581a478fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fdab89fb06116b813b382b1831684b858f2901b48cca4df5d3bd5370aa3abf20
[INFO] running `Command { std: "docker" "start" "-a" "fdab89fb06116b813b382b1831684b858f2901b48cca4df5d3bd5370aa3abf20", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling serde_test v1.0.157
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking wide v0.7.8
[INFO] [stderr]     Checking ultraviolet v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait `EqualsEps` is never used
[INFO] [stdout]   --> src/util.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait EqualsEps {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ultraviolet` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fdab89fb06116b813b382b1831684b858f2901b48cca4df5d3bd5370aa3abf20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdab89fb06116b813b382b1831684b858f2901b48cca4df5d3bd5370aa3abf20", kill_on_drop: false }`
[INFO] [stdout] fdab89fb06116b813b382b1831684b858f2901b48cca4df5d3bd5370aa3abf20