[INFO] fetching crate rgb 0.8.27...
[INFO] checking rgb-0.8.27 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate rgb 0.8.27 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rgb 0.8.27 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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-14/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b56c9d8dcca1cec821e4765fc086b2b39590caf5715a93d69ce16c4e704e9d78
[INFO] running `Command { std: "docker" "start" "-a" "b56c9d8dcca1cec821e4765fc086b2b39590caf5715a93d69ce16c4e704e9d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b56c9d8dcca1cec821e4765fc086b2b39590caf5715a93d69ce16c4e704e9d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56c9d8dcca1cec821e4765fc086b2b39590caf5715a93d69ce16c4e704e9d78", kill_on_drop: false }`
[INFO] [stdout] b56c9d8dcca1cec821e4765fc086b2b39590caf5715a93d69ce16c4e704e9d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0f45b9fc248d73380195624824fb1b43a2404ba813cb559558551dc140eec23
[INFO] running `Command { std: "docker" "start" "-a" "e0f45b9fc248d73380195624824fb1b43a2404ba813cb559558551dc140eec23", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[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 7.25s
[INFO] running `Command { std: "docker" "inspect" "e0f45b9fc248d73380195624824fb1b43a2404ba813cb559558551dc140eec23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f45b9fc248d73380195624824fb1b43a2404ba813cb559558551dc140eec23", kill_on_drop: false }`
[INFO] [stdout] e0f45b9fc248d73380195624824fb1b43a2404ba813cb559558551dc140eec23