[INFO] cloning repository https://github.com/grubertw/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grubertw/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrubertw%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrubertw%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93cdb2ad265d193dcb95bee08817e3dec88f6746
[INFO] checking grubertw/mandelbrot against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrubertw%2Fmandelbrot" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grubertw/mandelbrot on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grubertw/mandelbrot
[INFO] finished tweaking git repo https://github.com/grubertw/mandelbrot
[INFO] tweaked toml for git repo https://github.com/grubertw/mandelbrot written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/grubertw/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--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 target_build_utils v0.3.0
[INFO] [stderr]   Downloaded wayland-kbd v0.6.3
[INFO] [stderr]   Downloaded wayland-sys v0.7.8
[INFO] [stderr]   Downloaded wayland-client v0.7.8
[INFO] [stderr]   Downloaded wayland-window v0.4.4
[INFO] [stderr]   Downloaded serde v0.9.14
[INFO] [stderr]   Downloaded glutin v0.7.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.10
[INFO] [stderr]   Downloaded rustc-demangle v0.1.4
[INFO] [stderr]   Downloaded wayland-scanner v0.7.8
[INFO] [stderr]   Downloaded winit v0.5.11
[INFO] [stderr]   Downloaded x11-dl v2.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f304698e8526d255402a0e0ae5dabb8e679b52318d712d1accd85539ca1218a
[INFO] running `Command { std: "docker" "start" "-a" "7f304698e8526d255402a0e0ae5dabb8e679b52318d712d1accd85539ca1218a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f304698e8526d255402a0e0ae5dabb8e679b52318d712d1accd85539ca1218a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f304698e8526d255402a0e0ae5dabb8e679b52318d712d1accd85539ca1218a", kill_on_drop: false }`
[INFO] [stdout] 7f304698e8526d255402a0e0ae5dabb8e679b52318d712d1accd85539ca1218a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7a18284cf6557c6476c1509e9b75da35b60e2e71fcc4d1bc7e3ae8676090fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f7a18284cf6557c6476c1509e9b75da35b60e2e71fcc4d1bc7e3ae8676090fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]    Compiling x11-dl v2.13.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "1f7a18284cf6557c6476c1509e9b75da35b60e2e71fcc4d1bc7e3ae8676090fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7a18284cf6557c6476c1509e9b75da35b60e2e71fcc4d1bc7e3ae8676090fc", kill_on_drop: false }`
[INFO] [stdout] 1f7a18284cf6557c6476c1509e9b75da35b60e2e71fcc4d1bc7e3ae8676090fc