[INFO] cloning repository https://github.com/iamtroy412/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamtroy412/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamtroy412%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamtroy412%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44ff8f1248e426658b0b023560dce1c51ad0d66d
[INFO] checking iamtroy412/mandelbrot/44ff8f1248e426658b0b023560dce1c51ad0d66d against master#f9515fdd5aa132e27d9b580a35b27f4b453251c1 for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamtroy412%2Fmandelbrot" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamtroy412/mandelbrot on toolchain f9515fdd5aa132e27d9b580a35b27f4b453251c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamtroy412/mandelbrot
[INFO] finished tweaking git repo https://github.com/iamtroy412/mandelbrot
[INFO] tweaked toml for git repo https://github.com/iamtroy412/mandelbrot written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iamtroy412/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "fetch" "--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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4b387217cae21f4ae0364a2ac7144947ea1b96cabb450b7bcb06c656027923e
[INFO] running `Command { std: "docker" "start" "-a" "a4b387217cae21f4ae0364a2ac7144947ea1b96cabb450b7bcb06c656027923e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4b387217cae21f4ae0364a2ac7144947ea1b96cabb450b7bcb06c656027923e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b387217cae21f4ae0364a2ac7144947ea1b96cabb450b7bcb06c656027923e", kill_on_drop: false }`
[INFO] [stdout] a4b387217cae21f4ae0364a2ac7144947ea1b96cabb450b7bcb06c656027923e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c433d2e37fa302f8ede4e09e6be1c42e21aee851da19e223b7af4b8ebecf026
[INFO] running `Command { std: "docker" "start" "-a" "7c433d2e37fa302f8ede4e09e6be1c42e21aee851da19e223b7af4b8ebecf026", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "7c433d2e37fa302f8ede4e09e6be1c42e21aee851da19e223b7af4b8ebecf026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c433d2e37fa302f8ede4e09e6be1c42e21aee851da19e223b7af4b8ebecf026", kill_on_drop: false }`
[INFO] [stdout] 7c433d2e37fa302f8ede4e09e6be1c42e21aee851da19e223b7af4b8ebecf026