[INFO] fetching crate bijective-enum-map 0.1.0...
[INFO] checking bijective-enum-map-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate bijective-enum-map 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bijective-enum-map 0.1.0
[INFO] finished tweaking crates.io crate bijective-enum-map 0.1.0
[INFO] tweaked toml for crates.io crate bijective-enum-map 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bijective-enum-map 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bijective-enum-map 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57d2e504a2a44c4a0ca0d84133bfcf3a2112368963c5cee675577b179dce0c68
[INFO] running `Command { std: "docker" "start" "-a" "57d2e504a2a44c4a0ca0d84133bfcf3a2112368963c5cee675577b179dce0c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d2e504a2a44c4a0ca0d84133bfcf3a2112368963c5cee675577b179dce0c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d2e504a2a44c4a0ca0d84133bfcf3a2112368963c5cee675577b179dce0c68", kill_on_drop: false }`
[INFO] [stdout] 57d2e504a2a44c4a0ca0d84133bfcf3a2112368963c5cee675577b179dce0c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2814ba0b9f57093e33abd06a1c6e0d401c3319b084396c326f36a1f83c2852c
[INFO] running `Command { std: "docker" "start" "-a" "e2814ba0b9f57093e33abd06a1c6e0d401c3319b084396c326f36a1f83c2852c", kill_on_drop: false }`
[INFO] [stderr]     Checking bijective-enum-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Empty` is never used
[INFO] [stdout]    --> src/bijective.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |         enum Empty {}
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AnotherEmpty` is never used
[INFO] [stdout]    --> src/bijective.rs:191:14
[INFO] [stdout]     |
[INFO] [stdout] 191 |         enum AnotherEmpty {}
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Empty` is never used
[INFO] [stdout]    --> src/bijective.rs:211:14
[INFO] [stdout]     |
[INFO] [stdout] 211 |         enum Empty {}
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AnotherEmpty` is never used
[INFO] [stdout]    --> src/bijective.rs:212:14
[INFO] [stdout]     |
[INFO] [stdout] 212 |         enum AnotherEmpty {}
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Empty` is never used
[INFO] [stdout]    --> src/bijective.rs:284:14
[INFO] [stdout]     |
[INFO] [stdout] 284 |         enum Empty {}
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AnotherEmpty` is never used
[INFO] [stdout]    --> src/bijective.rs:285:14
[INFO] [stdout]     |
[INFO] [stdout] 285 |         enum AnotherEmpty {}
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `YetAnotherEmpty` is never used
[INFO] [stdout]    --> src/bijective.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |         enum YetAnotherEmpty {}
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AFourthEmpty` is never used
[INFO] [stdout]    --> src/bijective.rs:287:14
[INFO] [stdout]     |
[INFO] [stdout] 287 |         enum AFourthEmpty {}
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e2814ba0b9f57093e33abd06a1c6e0d401c3319b084396c326f36a1f83c2852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2814ba0b9f57093e33abd06a1c6e0d401c3319b084396c326f36a1f83c2852c", kill_on_drop: false }`
[INFO] [stdout] e2814ba0b9f57093e33abd06a1c6e0d401c3319b084396c326f36a1f83c2852c