[INFO] cloning repository https://github.com/t0mll/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t0mll/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft0mll%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft0mll%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cbf8924b240e1975b1ee0c651578d1476af3d844 [INFO] checking t0mll/mandelbrot against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft0mll%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/t0mll/mandelbrot on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/t0mll/mandelbrot [INFO] finished tweaking git repo https://github.com/t0mll/mandelbrot [INFO] tweaked toml for git repo https://github.com/t0mll/mandelbrot written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/t0mll/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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking t0mll/mandelbrot against try#3931cbb869e499bf6db1e4d580cc247efbf183df for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft0mll%2Fmandelbrot" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/t0mll/mandelbrot on toolchain 3931cbb869e499bf6db1e4d580cc247efbf183df [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/t0mll/mandelbrot [INFO] finished tweaking git repo https://github.com/t0mll/mandelbrot [INFO] tweaked toml for git repo https://github.com/t0mll/mandelbrot written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/t0mll/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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b6728ed8824066600646e9d0525415d7bcdcba6f092d964a7a649405fc591cf [INFO] running `Command { std: "docker" "start" "-a" "1b6728ed8824066600646e9d0525415d7bcdcba6f092d964a7a649405fc591cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b6728ed8824066600646e9d0525415d7bcdcba6f092d964a7a649405fc591cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b6728ed8824066600646e9d0525415d7bcdcba6f092d964a7a649405fc591cf", kill_on_drop: false }` [INFO] [stdout] 1b6728ed8824066600646e9d0525415d7bcdcba6f092d964a7a649405fc591cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe4a243d1693823785a1d84aa2d5f31a537d75c9d1555e4254016f8f0a2aeb8b [INFO] running `Command { std: "docker" "start" "-a" "fe4a243d1693823785a1d84aa2d5f31a537d75c9d1555e4254016f8f0a2aeb8b", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking rayon v1.7.0 [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 [unoptimized + debuginfo] target(s) in 4.62s [INFO] running `Command { std: "docker" "inspect" "fe4a243d1693823785a1d84aa2d5f31a537d75c9d1555e4254016f8f0a2aeb8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe4a243d1693823785a1d84aa2d5f31a537d75c9d1555e4254016f8f0a2aeb8b", kill_on_drop: false }` [INFO] [stdout] fe4a243d1693823785a1d84aa2d5f31a537d75c9d1555e4254016f8f0a2aeb8b