[INFO] cloning repository https://github.com/ElectricCoffee/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElectricCoffee/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2c2d9444a0ca28e0dc1b6d185311339ae78e37c
[INFO] building ElectricCoffee/mandelbrot against master#c52b9c10bfb5164015eb977ff498e0597ae63eb1 for pr-97025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fmandelbrot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElectricCoffee/mandelbrot on toolchain c52b9c10bfb5164015eb977ff498e0597ae63eb1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElectricCoffee/mandelbrot
[INFO] finished tweaking git repo https://github.com/ElectricCoffee/mandelbrot
[INFO] tweaked toml for git repo https://github.com/ElectricCoffee/mandelbrot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ElectricCoffee/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deflate v0.8.3
[INFO] [stderr]   Downloaded png v0.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91c6ba6710fec46bdb68b1473acb3fa3fa8bca0d1de0364ebe149dce59855ac4
[INFO] running `Command { std: "docker" "start" "-a" "91c6ba6710fec46bdb68b1473acb3fa3fa8bca0d1de0364ebe149dce59855ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91c6ba6710fec46bdb68b1473acb3fa3fa8bca0d1de0364ebe149dce59855ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c6ba6710fec46bdb68b1473acb3fa3fa8bca0d1de0364ebe149dce59855ac4", kill_on_drop: false }`
[INFO] [stdout] 91c6ba6710fec46bdb68b1473acb3fa3fa8bca0d1de0364ebe149dce59855ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f37696c041f637f83e6639cf9647d86d9345d50accb1110d686932ba092013c
[INFO] running `Command { std: "docker" "start" "-a" "7f37696c041f637f83e6639cf9647d86d9345d50accb1110d686932ba092013c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling deflate v0.8.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling png v0.16.2
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling ron v0.5.1
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.49s
[INFO] running `Command { std: "docker" "inspect" "7f37696c041f637f83e6639cf9647d86d9345d50accb1110d686932ba092013c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f37696c041f637f83e6639cf9647d86d9345d50accb1110d686932ba092013c", kill_on_drop: false }`
[INFO] [stdout] 7f37696c041f637f83e6639cf9647d86d9345d50accb1110d686932ba092013c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd08ca62e55a98b95c6761942f8029e9f906989334f47b053b50662fd2222c9
[INFO] running `Command { std: "docker" "start" "-a" "4dd08ca62e55a98b95c6761942f8029e9f906989334f47b053b50662fd2222c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 58.85s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot-785b6f9ce7ba8448)
[INFO] running `Command { std: "docker" "inspect" "4dd08ca62e55a98b95c6761942f8029e9f906989334f47b053b50662fd2222c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd08ca62e55a98b95c6761942f8029e9f906989334f47b053b50662fd2222c9", kill_on_drop: false }`
[INFO] [stdout] 4dd08ca62e55a98b95c6761942f8029e9f906989334f47b053b50662fd2222c9