[INFO] fetching crate kmeans_colors 0.6.0...
[INFO] checking kmeans_colors-0.6.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate kmeans_colors 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate kmeans_colors 0.6.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans_colors 0.6.0
[INFO] finished tweaking crates.io crate kmeans_colors 0.6.0
[INFO] tweaked toml for crates.io crate kmeans_colors 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate kmeans_colors 0.6.0 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de5cc195fdba819c1946daeeffdeb4cbeff216c88faf80dd790443d61dccc446
[INFO] running `Command { std: "docker" "start" "-a" "de5cc195fdba819c1946daeeffdeb4cbeff216c88faf80dd790443d61dccc446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5cc195fdba819c1946daeeffdeb4cbeff216c88faf80dd790443d61dccc446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5cc195fdba819c1946daeeffdeb4cbeff216c88faf80dd790443d61dccc446", kill_on_drop: false }`
[INFO] [stdout] de5cc195fdba819c1946daeeffdeb4cbeff216c88faf80dd790443d61dccc446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29dd077bdcea93cc5c8d8095ebd872a714e1432a20d81b1b47012b76d9ed75a8
[INFO] running `Command { std: "docker" "start" "-a" "29dd077bdcea93cc5c8d8095ebd872a714e1432a20d81b1b47012b76d9ed75a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]    Compiling palette v0.7.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking fast-srgb8 v1.0.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling palette_derive v0.7.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking kmeans_colors v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.61s
[INFO] running `Command { std: "docker" "inspect" "29dd077bdcea93cc5c8d8095ebd872a714e1432a20d81b1b47012b76d9ed75a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dd077bdcea93cc5c8d8095ebd872a714e1432a20d81b1b47012b76d9ed75a8", kill_on_drop: false }`
[INFO] [stdout] 29dd077bdcea93cc5c8d8095ebd872a714e1432a20d81b1b47012b76d9ed75a8