[INFO] fetching crate dssim 3.0.1...
[INFO] checking dssim-3.0.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate dssim 3.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dssim 3.0.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dssim 3.0.1
[INFO] finished tweaking crates.io crate dssim 3.0.1
[INFO] tweaked toml for crates.io crate dssim 3.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dssim 3.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e2ed20b9f43fae782e547cb992978118ce7f786e5557a85799f5bfc99d3f6cb
[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" "2e2ed20b9f43fae782e547cb992978118ce7f786e5557a85799f5bfc99d3f6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2ed20b9f43fae782e547cb992978118ce7f786e5557a85799f5bfc99d3f6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2ed20b9f43fae782e547cb992978118ce7f786e5557a85799f5bfc99d3f6cb", kill_on_drop: false }`
[INFO] [stdout] 2e2ed20b9f43fae782e547cb992978118ce7f786e5557a85799f5bfc99d3f6cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f20175bceb9d016e8599e536bccf38cb369225f728fa06726ae2b4dd73da7b6
[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" "5f20175bceb9d016e8599e536bccf38cb369225f728fa06726ae2b4dd73da7b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking imgref v1.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking fallible_collections v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking lodepng v3.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling lcms2-sys v3.1.5
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking rexif v0.5.1
[INFO] [stderr]     Checking dssim-core v3.0.0
[INFO] [stderr]    Compiling nasm-rs v0.2.0
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking lcms2 v5.4.0
[INFO] [stderr]    Compiling mozjpeg-sys v0.10.11
[INFO] [stderr]     Checking mozjpeg v0.8.21
[INFO] [stderr]     Checking load_image v2.12.1
[INFO] [stderr]     Checking dssim v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "5f20175bceb9d016e8599e536bccf38cb369225f728fa06726ae2b4dd73da7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f20175bceb9d016e8599e536bccf38cb369225f728fa06726ae2b4dd73da7b6", kill_on_drop: false }`
[INFO] [stdout] 5f20175bceb9d016e8599e536bccf38cb369225f728fa06726ae2b4dd73da7b6