[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#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurma-dump%2Fdssim" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/surma-dump/dssim on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/surma-dump/dssim
[INFO] removed workspace from git repo https://github.com/surma-dump/dssim
[INFO] removed path dependency dssim-core from 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-9/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0f3108154ae27a5382fc82358c41d8e3c015dd1197adcb1cd9d9af6954fcb40
[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" "b0f3108154ae27a5382fc82358c41d8e3c015dd1197adcb1cd9d9af6954fcb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f3108154ae27a5382fc82358c41d8e3c015dd1197adcb1cd9d9af6954fcb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f3108154ae27a5382fc82358c41d8e3c015dd1197adcb1cd9d9af6954fcb40", kill_on_drop: false }`
[INFO] [stdout] b0f3108154ae27a5382fc82358c41d8e3c015dd1197adcb1cd9d9af6954fcb40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 0cab891bcba526fde9a8807d0546f3155142cb4371cea8f474c0bb5044cb75e8
[INFO] running `Command { std: "docker" "start" "-a" "0cab891bcba526fde9a8807d0546f3155142cb4371cea8f474c0bb5044cb75e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling const_fn v0.4.4
[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 unicode-xid v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking imgref v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[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 num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking lodepng v3.2.2
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling lcms2-sys v3.1.5
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking rexif v0.5.1
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]     Checking dssim-core v2.11.4
[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 v2.11.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "0cab891bcba526fde9a8807d0546f3155142cb4371cea8f474c0bb5044cb75e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cab891bcba526fde9a8807d0546f3155142cb4371cea8f474c0bb5044cb75e8", kill_on_drop: false }`
[INFO] [stdout] 0cab891bcba526fde9a8807d0546f3155142cb4371cea8f474c0bb5044cb75e8