[INFO] fetching crate colour 0.5.0...
[INFO] checking colour-0.5.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate colour 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate colour 0.5.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colour 0.5.0
[INFO] finished tweaking crates.io crate colour 0.5.0
[INFO] tweaked toml for crates.io crate colour 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d7a896ce5cfcf8f033e41247449be5aeade02da9e5d7b71ced8fb7819269be5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d7a896ce5cfcf8f033e41247449be5aeade02da9e5d7b71ced8fb7819269be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7a896ce5cfcf8f033e41247449be5aeade02da9e5d7b71ced8fb7819269be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7a896ce5cfcf8f033e41247449be5aeade02da9e5d7b71ced8fb7819269be5", kill_on_drop: false }`
[INFO] [stdout] 7d7a896ce5cfcf8f033e41247449be5aeade02da9e5d7b71ced8fb7819269be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d11e3017639956e2f4f4387d3c787635c9ebb861eb07d63092ba5a10af62e3e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d11e3017639956e2f4f4387d3c787635c9ebb861eb07d63092ba5a10af62e3e2", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking colour v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = terminal.queue(SetForegroundColor(colr))?;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let _ = terminal.queue(Print(message))?.queue(ResetColor)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let _ = terminal.queue(Print(message))?.queue(ResetColor)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = terminal.queue(Print('\n'))?;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     terminal.flush()?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `colour`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = terminal.queue(SetForegroundColor(colr))?;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let _ = terminal.queue(Print(message))?.queue(ResetColor)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let _ = terminal.queue(Print(message))?.queue(ResetColor)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = terminal.queue(Print('\n'))?;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]   --> src/unnamed.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     terminal.flush()?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![forbid(warnings)]
[INFO] [stdout]    |           -------- `forbid` level set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d11e3017639956e2f4f4387d3c787635c9ebb861eb07d63092ba5a10af62e3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11e3017639956e2f4f4387d3c787635c9ebb861eb07d63092ba5a10af62e3e2", kill_on_drop: false }`
[INFO] [stdout] d11e3017639956e2f4f4387d3c787635c9ebb861eb07d63092ba5a10af62e3e2