[INFO] fetching crate color-thief 0.2.1...
[INFO] checking color-thief-0.2.1 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate color-thief 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate color-thief 0.2.1 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate color-thief 0.2.1
[INFO] finished tweaking crates.io crate color-thief 0.2.1
[INFO] tweaked toml for crates.io crate color-thief 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf4278b36dbb5e6551f83ac1751d5f97b2d194d176fe8a19c948f8b83f6d7f59
[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" "bf4278b36dbb5e6551f83ac1751d5f97b2d194d176fe8a19c948f8b83f6d7f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf4278b36dbb5e6551f83ac1751d5f97b2d194d176fe8a19c948f8b83f6d7f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4278b36dbb5e6551f83ac1751d5f97b2d194d176fe8a19c948f8b83f6d7f59", kill_on_drop: false }`
[INFO] [stdout] bf4278b36dbb5e6551f83ac1751d5f97b2d194d176fe8a19c948f8b83f6d7f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c8e7802b6c1eaa0cc2b95fc002c498ff84c5433b217fc9c2401ebbc75b043f
[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" "e6c8e7802b6c1eaa0cc2b95fc002c498ff84c5433b217fc9c2401ebbc75b043f", kill_on_drop: false }`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking color-thief v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "e6c8e7802b6c1eaa0cc2b95fc002c498ff84c5433b217fc9c2401ebbc75b043f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c8e7802b6c1eaa0cc2b95fc002c498ff84c5433b217fc9c2401ebbc75b043f", kill_on_drop: false }`
[INFO] [stdout] e6c8e7802b6c1eaa0cc2b95fc002c498ff84c5433b217fc9c2401ebbc75b043f