[INFO] cloning repository https://github.com/kennerleyb/Rust-Mandlebrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennerleyb/Rust-Mandlebrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennerleyb%2FRust-Mandlebrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennerleyb%2FRust-Mandlebrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a58a1205306c7555a0811ab643bbe49044d3ddc1
[INFO] checking kennerleyb/Rust-Mandlebrot against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennerleyb%2FRust-Mandlebrot" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennerleyb/Rust-Mandlebrot on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kennerleyb/Rust-Mandlebrot
[INFO] finished tweaking git repo https://github.com/kennerleyb/Rust-Mandlebrot
[INFO] tweaked toml for git repo https://github.com/kennerleyb/Rust-Mandlebrot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kennerleyb/Rust-Mandlebrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded num-complex v0.1.38
[INFO] [stderr]   Downloaded num-rational v0.1.38
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded image v0.12.4
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.7
[INFO] [stderr]   Downloaded adler32 v1.0.0
[INFO] [stderr]   Downloaded deflate v0.7.11
[INFO] [stderr]   Downloaded num_cpus v1.5.1
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded num-bigint v0.1.39
[INFO] [stderr]   Downloaded futures v0.1.14
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded rayon v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af4d33dfe72b32786eeaa4ec0cf362224d3b449db817ae39cd0e922d0f00dab3
[INFO] running `Command { std: "docker" "start" "-a" "af4d33dfe72b32786eeaa4ec0cf362224d3b449db817ae39cd0e922d0f00dab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4d33dfe72b32786eeaa4ec0cf362224d3b449db817ae39cd0e922d0f00dab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4d33dfe72b32786eeaa4ec0cf362224d3b449db817ae39cd0e922d0f00dab3", kill_on_drop: false }`
[INFO] [stdout] af4d33dfe72b32786eeaa4ec0cf362224d3b449db817ae39cd0e922d0f00dab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1554772de5f2d8ebde4075d10bbb54962ae7ab11185e11d5127e7f233bdbd14
[INFO] running `Command { std: "docker" "start" "-a" "a1554772de5f2d8ebde4075d10bbb54962ae7ab11185e11d5127e7f233bdbd14", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking deflate v0.7.11
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking rayon v0.8.1
[INFO] [stderr]     Checking num-bigint v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.38
[INFO] [stderr]     Checking num-rational v0.1.38
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking rust-mandlebrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "a1554772de5f2d8ebde4075d10bbb54962ae7ab11185e11d5127e7f233bdbd14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1554772de5f2d8ebde4075d10bbb54962ae7ab11185e11d5127e7f233bdbd14", kill_on_drop: false }`
[INFO] [stdout] a1554772de5f2d8ebde4075d10bbb54962ae7ab11185e11d5127e7f233bdbd14