[INFO] fetching crate oklab 1.1.2...
[INFO] checking oklab-1.1.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate oklab 1.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate oklab 1.1.2
[INFO] finished tweaking crates.io crate oklab 1.1.2
[INFO] tweaked toml for crates.io crate oklab 1.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oklab 1.1.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oklab 1.1.2 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07d68f7995185ac05b7adf19ee66f7fb7edad6e796711c1b4f981195103b7cf9
[INFO] running `Command { std: "docker" "start" "-a" "07d68f7995185ac05b7adf19ee66f7fb7edad6e796711c1b4f981195103b7cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d68f7995185ac05b7adf19ee66f7fb7edad6e796711c1b4f981195103b7cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d68f7995185ac05b7adf19ee66f7fb7edad6e796711c1b4f981195103b7cf9", kill_on_drop: false }`
[INFO] [stdout] 07d68f7995185ac05b7adf19ee66f7fb7edad6e796711c1b4f981195103b7cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ed09d55c61211d6cbb71ceebd60777919a0b4a68cb24f54a4035d4dd76551c
[INFO] running `Command { std: "docker" "start" "-a" "59ed09d55c61211d6cbb71ceebd60777919a0b4a68cb24f54a4035d4dd76551c", kill_on_drop: false }`
[INFO] [stderr]     Checking rgb v0.8.49
[INFO] [stderr]     Checking fast-srgb8 v1.0.0
[INFO] [stderr]     Checking oklab v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "59ed09d55c61211d6cbb71ceebd60777919a0b4a68cb24f54a4035d4dd76551c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ed09d55c61211d6cbb71ceebd60777919a0b4a68cb24f54a4035d4dd76551c", kill_on_drop: false }`
[INFO] [stdout] 59ed09d55c61211d6cbb71ceebd60777919a0b4a68cb24f54a4035d4dd76551c