[INFO] cloning repository https://github.com/surma-dump/dssim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/surma-dump/dssim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurma-dump%2Fdssim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurma-dump%2Fdssim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 533988a9a4f19fbbbe1ae6de98ffcf9c6d02b7f9
[INFO] checking surma-dump/dssim against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurma-dump%2Fdssim" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/surma-dump/dssim on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/surma-dump/dssim
[INFO] finished tweaking git repo https://github.com/surma-dump/dssim
[INFO] tweaked toml for git repo https://github.com/surma-dump/dssim written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/surma-dump/dssim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51a5a6bbebb0f4777a023e354f351faefce361e21d5e1462b60092b454ab7d66
[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" "51a5a6bbebb0f4777a023e354f351faefce361e21d5e1462b60092b454ab7d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a5a6bbebb0f4777a023e354f351faefce361e21d5e1462b60092b454ab7d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a5a6bbebb0f4777a023e354f351faefce361e21d5e1462b60092b454ab7d66", kill_on_drop: false }`
[INFO] [stdout] 51a5a6bbebb0f4777a023e354f351faefce361e21d5e1462b60092b454ab7d66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d1bde293cc9c434c5c122dcefe7f85bbd1ac3d42d8d2e99007b8d73cc2bc21e
[INFO] running `Command { std: "docker" "start" "-a" "1d1bde293cc9c434c5c122dcefe7f85bbd1ac3d42d8d2e99007b8d73cc2bc21e", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking imgref v1.7.0
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking rgb v0.8.20
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking lodepng v3.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling lcms2-sys v3.1.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rexif v0.5.0
[INFO] [stderr]    Compiling nasm-rs v0.1.7
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]     Checking dssim-core v2.11.3 (/opt/rustwide/workdir/dssim-core)
[INFO] [stderr]    Compiling mozjpeg-sys v0.10.8
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking lcms2 v5.3.1
[INFO] [stderr]     Checking mozjpeg v0.8.19
[INFO] [stderr]     Checking load_image v2.12.1
[INFO] [stderr]     Checking dssim v2.11.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "1d1bde293cc9c434c5c122dcefe7f85bbd1ac3d42d8d2e99007b8d73cc2bc21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1bde293cc9c434c5c122dcefe7f85bbd1ac3d42d8d2e99007b8d73cc2bc21e", kill_on_drop: false }`
[INFO] [stdout] 1d1bde293cc9c434c5c122dcefe7f85bbd1ac3d42d8d2e99007b8d73cc2bc21e