[INFO] cloning repository https://github.com/noahrinehart/image_colors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noahrinehart/image_colors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahrinehart%2Fimage_colors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahrinehart%2Fimage_colors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2147e85df5abc258d5e7730cad12e6f4ca2296
[INFO] checking noahrinehart/image_colors against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahrinehart%2Fimage_colors" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noahrinehart/image_colors on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noahrinehart/image_colors
[INFO] finished tweaking git repo https://github.com/noahrinehart/image_colors
[INFO] tweaked toml for git repo https://github.com/noahrinehart/image_colors written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/noahrinehart/image_colors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e764c1686add9ed838ba9fdf41e531a28c8e3a4460ffd155d54470f7f81b871
[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" "4e764c1686add9ed838ba9fdf41e531a28c8e3a4460ffd155d54470f7f81b871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e764c1686add9ed838ba9fdf41e531a28c8e3a4460ffd155d54470f7f81b871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e764c1686add9ed838ba9fdf41e531a28c8e3a4460ffd155d54470f7f81b871", kill_on_drop: false }`
[INFO] [stdout] 4e764c1686add9ed838ba9fdf41e531a28c8e3a4460ffd155d54470f7f81b871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8695c50c3dcac775018c614691af9ef890d26275f415250fe84694028877545c
[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" "8695c50c3dcac775018c614691af9ef890d26275f415250fe84694028877545c", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking adler32 v1.0.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking deflate v0.7.15
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.15.0
[INFO] [stderr]     Checking image_colors v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.43s
[INFO] running `Command { std: "docker" "inspect" "8695c50c3dcac775018c614691af9ef890d26275f415250fe84694028877545c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8695c50c3dcac775018c614691af9ef890d26275f415250fe84694028877545c", kill_on_drop: false }`
[INFO] [stdout] 8695c50c3dcac775018c614691af9ef890d26275f415250fe84694028877545c