[INFO] cloning repository https://github.com/jdhorwitz/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdhorwitz/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5e9f6c9c25abf500e11c1ff13d49b1ce8e5f7f1
[INFO] testing jdhorwitz/mandelbrot against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Fmandelbrot" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdhorwitz/mandelbrot on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdhorwitz/mandelbrot
[INFO] finished tweaking git repo https://github.com/jdhorwitz/mandelbrot
[INFO] tweaked toml for git repo https://github.com/jdhorwitz/mandelbrot written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/jdhorwitz/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abb35b7fe40edabe8caccf363d0ea0c52f633ac24f42029e2e45294cc0b21890
[INFO] running `Command { std: "docker" "start" "-a" "abb35b7fe40edabe8caccf363d0ea0c52f633ac24f42029e2e45294cc0b21890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abb35b7fe40edabe8caccf363d0ea0c52f633ac24f42029e2e45294cc0b21890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb35b7fe40edabe8caccf363d0ea0c52f633ac24f42029e2e45294cc0b21890", kill_on_drop: false }`
[INFO] [stdout] abb35b7fe40edabe8caccf363d0ea0c52f633ac24f42029e2e45294cc0b21890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a424a8b2bef5439837a2b5fe80c5c9bc424665f4a155fdac42e753ebec9e8cab
[INFO] running `Command { std: "docker" "start" "-a" "a424a8b2bef5439837a2b5fe80c5c9bc424665f4a155fdac42e753ebec9e8cab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling flate2 v0.2.17
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling png v0.4.3
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling image v0.6.1
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "a424a8b2bef5439837a2b5fe80c5c9bc424665f4a155fdac42e753ebec9e8cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a424a8b2bef5439837a2b5fe80c5c9bc424665f4a155fdac42e753ebec9e8cab", kill_on_drop: false }`
[INFO] [stdout] a424a8b2bef5439837a2b5fe80c5c9bc424665f4a155fdac42e753ebec9e8cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f1f72023eceffeffb21d85d9b0247e7c14276306348953a76fa565db11a7a50
[INFO] running `Command { std: "docker" "start" "-a" "3f1f72023eceffeffb21d85d9b0247e7c14276306348953a76fa565db11a7a50", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3f1f72023eceffeffb21d85d9b0247e7c14276306348953a76fa565db11a7a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1f72023eceffeffb21d85d9b0247e7c14276306348953a76fa565db11a7a50", kill_on_drop: false }`
[INFO] [stdout] 3f1f72023eceffeffb21d85d9b0247e7c14276306348953a76fa565db11a7a50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3488a2f436bcdff4b7f8d7de3e54008ab587d948d0ddc613f9bcec044a3bfecc
[INFO] running `Command { std: "docker" "start" "-a" "3488a2f436bcdff4b7f8d7de3e54008ab587d948d0ddc613f9bcec044a3bfecc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-4aed3cf44e553602)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3488a2f436bcdff4b7f8d7de3e54008ab587d948d0ddc613f9bcec044a3bfecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3488a2f436bcdff4b7f8d7de3e54008ab587d948d0ddc613f9bcec044a3bfecc", kill_on_drop: false }`
[INFO] [stdout] 3488a2f436bcdff4b7f8d7de3e54008ab587d948d0ddc613f9bcec044a3bfecc