[INFO] cloning repository https://github.com/bernardocrodrigues/rusty_mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bernardocrodrigues/rusty_mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a32f1fe688c3e509fb70667bbd81906d5f24e68
[INFO] checking bernardocrodrigues/rusty_mandelbrot against try#11084977fccce286b348dbb5473938f22b430250 for pr-89056-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardocrodrigues%2Frusty_mandelbrot" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bernardocrodrigues/rusty_mandelbrot on toolchain 11084977fccce286b348dbb5473938f22b430250
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11084977fccce286b348dbb5473938f22b430250" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bernardocrodrigues/rusty_mandelbrot
[INFO] finished tweaking git repo https://github.com/bernardocrodrigues/rusty_mandelbrot
[INFO] tweaked toml for git repo https://github.com/bernardocrodrigues/rusty_mandelbrot written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/bernardocrodrigues/rusty_mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11084977fccce286b348dbb5473938f22b430250" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+11084977fccce286b348dbb5473938f22b430250" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 213453af44e8531aafba5817a0dc0f2e18f1309742cd1d1b6229110f27d99661
[INFO] running `Command { std: "docker" "start" "-a" "213453af44e8531aafba5817a0dc0f2e18f1309742cd1d1b6229110f27d99661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "213453af44e8531aafba5817a0dc0f2e18f1309742cd1d1b6229110f27d99661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213453af44e8531aafba5817a0dc0f2e18f1309742cd1d1b6229110f27d99661", kill_on_drop: false }`
[INFO] [stdout] 213453af44e8531aafba5817a0dc0f2e18f1309742cd1d1b6229110f27d99661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+11084977fccce286b348dbb5473938f22b430250" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515cac0e27e2e950e51145c9ab963d5b75a0c5de82db197423b55fca7849fe82
[INFO] running `Command { std: "docker" "start" "-a" "515cac0e27e2e950e51145c9ab963d5b75a0c5de82db197423b55fca7849fe82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "515cac0e27e2e950e51145c9ab963d5b75a0c5de82db197423b55fca7849fe82", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "rm" "-f" "515cac0e27e2e950e51145c9ab963d5b75a0c5de82db197423b55fca7849fe82", kill_on_drop: false }`
[INFO] [stdout] 515cac0e27e2e950e51145c9ab963d5b75a0c5de82db197423b55fca7849fe82