[INFO] cloning repository https://github.com/jaxx/image-color
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaxx/image-color" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaxx%2Fimage-color", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaxx%2Fimage-color'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ab963c1281f5fd9a4860307d3ba1a2adfccfa30
[INFO] checking jaxx/image-color against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaxx%2Fimage-color" "/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/jaxx/image-color on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaxx/image-color
[INFO] finished tweaking git repo https://github.com/jaxx/image-color
[INFO] tweaked toml for git repo https://github.com/jaxx/image-color written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaxx/image-color already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d211b3a7a2b1f36ca753104205ee5c8909039a8ae93e95584d69cdb1b041c99
[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" "8d211b3a7a2b1f36ca753104205ee5c8909039a8ae93e95584d69cdb1b041c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d211b3a7a2b1f36ca753104205ee5c8909039a8ae93e95584d69cdb1b041c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d211b3a7a2b1f36ca753104205ee5c8909039a8ae93e95584d69cdb1b041c99", kill_on_drop: false }`
[INFO] [stdout] 8d211b3a7a2b1f36ca753104205ee5c8909039a8ae93e95584d69cdb1b041c99
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78c4c2f806e46f10436446a89ec696be72d40676c7e9ddccd337f652333cd0a7
[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" "78c4c2f806e46f10436446a89ec696be72d40676c7e9ddccd337f652333cd0a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking jpeg-decoder v0.1.8
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking image-color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.85s
[INFO] running `Command { std: "docker" "inspect" "78c4c2f806e46f10436446a89ec696be72d40676c7e9ddccd337f652333cd0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c4c2f806e46f10436446a89ec696be72d40676c7e9ddccd337f652333cd0a7", kill_on_drop: false }`
[INFO] [stdout] 78c4c2f806e46f10436446a89ec696be72d40676c7e9ddccd337f652333cd0a7