[INFO] fetching crate dssim-core 3.1.0...
[INFO] checking dssim-core-3.1.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate dssim-core 3.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dssim-core 3.1.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dssim-core 3.1.0
[INFO] finished tweaking crates.io crate dssim-core 3.1.0
[INFO] tweaked toml for crates.io crate dssim-core 3.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fallible_collections v0.4.1
[INFO] [stderr]   Downloaded lodepng v3.4.5
[INFO] [stderr]   Downloaded imgref v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a0c68642228cc843d374938f5f5071e97e10d542efb25e1263d327d10b94e8d
[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" "3a0c68642228cc843d374938f5f5071e97e10d542efb25e1263d327d10b94e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0c68642228cc843d374938f5f5071e97e10d542efb25e1263d327d10b94e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0c68642228cc843d374938f5f5071e97e10d542efb25e1263d327d10b94e8d", kill_on_drop: false }`
[INFO] [stdout] 3a0c68642228cc843d374938f5f5071e97e10d542efb25e1263d327d10b94e8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544bb0be3f8f4af5ec102cf6d1b1fdc98ce59263e7748e851d0d3d3b4010fd8e
[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" "544bb0be3f8f4af5ec102cf6d1b1fdc98ce59263e7748e851d0d3d3b4010fd8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking imgref v1.9.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking fallible_collections v0.4.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking lodepng v3.4.5
[INFO] [stderr]     Checking dssim-core v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "544bb0be3f8f4af5ec102cf6d1b1fdc98ce59263e7748e851d0d3d3b4010fd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544bb0be3f8f4af5ec102cf6d1b1fdc98ce59263e7748e851d0d3d3b4010fd8e", kill_on_drop: false }`
[INFO] [stdout] 544bb0be3f8f4af5ec102cf6d1b1fdc98ce59263e7748e851d0d3d3b4010fd8e