[INFO] fetching crate gifski 1.4.1...
[INFO] checking gifski-1.4.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate gifski 1.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gifski 1.4.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gifski 1.4.1
[INFO] finished tweaking crates.io crate gifski 1.4.1
[INFO] tweaked toml for crates.io crate gifski 1.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate gifski 1.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8850722817a307c0bb227dc9bb562dd2fdd9bb8058df3eff62ccc7e88616966
[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" "c8850722817a307c0bb227dc9bb562dd2fdd9bb8058df3eff62ccc7e88616966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8850722817a307c0bb227dc9bb562dd2fdd9bb8058df3eff62ccc7e88616966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8850722817a307c0bb227dc9bb562dd2fdd9bb8058df3eff62ccc7e88616966", kill_on_drop: false }`
[INFO] [stdout] c8850722817a307c0bb227dc9bb562dd2fdd9bb8058df3eff62ccc7e88616966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb734b3e14a026ce72b6fb753a7f5b80e1832a640ee35f442c0876f44fdb7ad
[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" "4eb734b3e14a026ce72b6fb753a7f5b80e1832a640ee35f442c0876f44fdb7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking imgref v1.7.1
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking fallible_collections v0.4.0
[INFO] [stderr]     Checking gif-dispose v3.1.1
[INFO] [stderr]     Checking resize v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pbr v1.0.4
[INFO] [stderr]     Checking lodepng v3.4.5
[INFO] [stderr]    Compiling imagequant-sys v3.0.4-alpha.2
[INFO] [stderr]    Compiling gifsicle v1.92.4
[INFO] [stderr]     Checking imagequant v3.0.4-alpha.2
[INFO] [stderr]     Checking gifski v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 27.19s
[INFO] running `Command { std: "docker" "inspect" "4eb734b3e14a026ce72b6fb753a7f5b80e1832a640ee35f442c0876f44fdb7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb734b3e14a026ce72b6fb753a7f5b80e1832a640ee35f442c0876f44fdb7ad", kill_on_drop: false }`
[INFO] [stdout] 4eb734b3e14a026ce72b6fb753a7f5b80e1832a640ee35f442c0876f44fdb7ad