[INFO] fetching crate kmeans_colors 0.3.3...
[INFO] checking kmeans_colors-0.3.3 against beta for pr-78714
[INFO] extracting crate kmeans_colors 0.3.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate kmeans_colors 0.3.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans_colors 0.3.3
[INFO] finished tweaking crates.io crate kmeans_colors 0.3.3
[INFO] tweaked toml for crates.io crate kmeans_colors 0.3.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate kmeans_colors 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2006ac618a17e7241eb7c9fa9fed6f434bdfe5d70723c62f82487fcdd0cf5fe
[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" "c2006ac618a17e7241eb7c9fa9fed6f434bdfe5d70723c62f82487fcdd0cf5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2006ac618a17e7241eb7c9fa9fed6f434bdfe5d70723c62f82487fcdd0cf5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2006ac618a17e7241eb7c9fa9fed6f434bdfe5d70723c62f82487fcdd0cf5fe", kill_on_drop: false }`
[INFO] [stdout] c2006ac618a17e7241eb7c9fa9fed6f434bdfe5d70723c62f82487fcdd0cf5fe
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96756f548de1bf242c3ebdcfd8b104799043e210b3250f8d7ab83315bf2f004
[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" "b96756f548de1bf242c3ebdcfd8b104799043e210b3250f8d7ab83315bf2f004", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking png v0.16.5
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking image v0.23.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking kmeans_colors v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.44s
[INFO] running `Command { std: "docker" "inspect" "b96756f548de1bf242c3ebdcfd8b104799043e210b3250f8d7ab83315bf2f004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96756f548de1bf242c3ebdcfd8b104799043e210b3250f8d7ab83315bf2f004", kill_on_drop: false }`
[INFO] [stdout] b96756f548de1bf242c3ebdcfd8b104799043e210b3250f8d7ab83315bf2f004