[INFO] fetching crate humphrey 0.7.0...
[INFO] checking humphrey-0.7.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate humphrey 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate humphrey 0.7.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate humphrey 0.7.0
[INFO] finished tweaking crates.io crate humphrey 0.7.0
[INFO] tweaked toml for crates.io crate humphrey 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding rustls v0.21.12 (available: v0.23.13)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding rustls-pemfile v0.2.1 (available: v2.1.3)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (available: v2.1.3)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (available: v0.102.8)
[INFO] [stderr]       Adding security-framework v2.11.1 (available: v3.0.0)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (available: v0.26.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f54b42f69b4a0bb0777dec7906378dc4dd0171bc17c0aaf3b8c0275f1d1cade7
[INFO] running `Command { std: "docker" "start" "-a" "f54b42f69b4a0bb0777dec7906378dc4dd0171bc17c0aaf3b8c0275f1d1cade7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54b42f69b4a0bb0777dec7906378dc4dd0171bc17c0aaf3b8c0275f1d1cade7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54b42f69b4a0bb0777dec7906378dc4dd0171bc17c0aaf3b8c0275f1d1cade7", kill_on_drop: false }`
[INFO] [stdout] f54b42f69b4a0bb0777dec7906378dc4dd0171bc17c0aaf3b8c0275f1d1cade7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cee1ae2d39fdade24211f038725481c26e9b4f90408afb28ef9d05f7732f9b9
[INFO] running `Command { std: "docker" "start" "-a" "3cee1ae2d39fdade24211f038725481c26e9b4f90408afb28ef9d05f7732f9b9", kill_on_drop: false }`
[INFO] [stderr]     Checking humphrey v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `CallableTask` is never used
[INFO] [stdout]   --> src/thread/pool.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | trait CallableTask {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CallableTask` is never used
[INFO] [stdout]   --> src/thread/pool.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | trait CallableTask {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "3cee1ae2d39fdade24211f038725481c26e9b4f90408afb28ef9d05f7732f9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cee1ae2d39fdade24211f038725481c26e9b4f90408afb28ef9d05f7732f9b9", kill_on_drop: false }`
[INFO] [stdout] 3cee1ae2d39fdade24211f038725481c26e9b4f90408afb28ef9d05f7732f9b9