[INFO] fetching crate rgb 0.8.27...
[INFO] checking rgb-0.8.27 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate rgb 0.8.27 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rgb 0.8.27 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb 0.8.27
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.27
[INFO] tweaked toml for crates.io crate rgb 0.8.27 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rgb 0.8.27 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51f74f5f2913e67e98927dd857454ea245558374adc3da859ab2c432a6907a35
[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" "51f74f5f2913e67e98927dd857454ea245558374adc3da859ab2c432a6907a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f74f5f2913e67e98927dd857454ea245558374adc3da859ab2c432a6907a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f74f5f2913e67e98927dd857454ea245558374adc3da859ab2c432a6907a35", kill_on_drop: false }`
[INFO] [stdout] 51f74f5f2913e67e98927dd857454ea245558374adc3da859ab2c432a6907a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a371af6855f59d5809b5d17d4d62143c3e0fe4d0e38f844318678ee0ba149a8
[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" "4a371af6855f59d5809b5d17d4d62143c3e0fe4d0e38f844318678ee0ba149a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking rgb v0.8.27 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "4a371af6855f59d5809b5d17d4d62143c3e0fe4d0e38f844318678ee0ba149a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a371af6855f59d5809b5d17d4d62143c3e0fe4d0e38f844318678ee0ba149a8", kill_on_drop: false }`
[INFO] [stdout] 4a371af6855f59d5809b5d17d4d62143c3e0fe4d0e38f844318678ee0ba149a8