[INFO] fetching crate wc-bg 0.3.0...
[INFO] checking wc-bg-0.3.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate wc-bg 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wc-bg 0.3.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wc-bg 0.3.0
[INFO] finished tweaking crates.io crate wc-bg 0.3.0
[INFO] tweaked toml for crates.io crate wc-bg 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd210ef037a50aa30abe23ecc50b4146b7bbb175906dd05df60b459a64d9d170
[INFO] running `Command { std: "docker" "start" "-a" "bd210ef037a50aa30abe23ecc50b4146b7bbb175906dd05df60b459a64d9d170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd210ef037a50aa30abe23ecc50b4146b7bbb175906dd05df60b459a64d9d170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd210ef037a50aa30abe23ecc50b4146b7bbb175906dd05df60b459a64d9d170", kill_on_drop: false }`
[INFO] [stdout] bd210ef037a50aa30abe23ecc50b4146b7bbb175906dd05df60b459a64d9d170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a5256681998cae722c63b35421a62a7528651c9533a31dfb57590d34b7d66b0
[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" "0a5256681998cae722c63b35421a62a7528651c9533a31dfb57590d34b7d66b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling wc-bg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: literal out of range for `u8`
[INFO] [stdout]    --> src/main.rs:479:43
[INFO] [stdout]     |
[INFO] [stdout] 479 |     assert_eq!(rgba_conversion(255, 500), 500);
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(overflowing_literals)]` on by default
[INFO] [stdout]     = note: the literal `500` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wc-bg`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a5256681998cae722c63b35421a62a7528651c9533a31dfb57590d34b7d66b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5256681998cae722c63b35421a62a7528651c9533a31dfb57590d34b7d66b0", kill_on_drop: false }`
[INFO] [stdout] 0a5256681998cae722c63b35421a62a7528651c9533a31dfb57590d34b7d66b0