[INFO] cloning repository https://github.com/aleksanb/four4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleksanb/four4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffour4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffour4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b3aa719f0b0ddde02c1b0e5f63827fd7301d98b
[INFO] checking aleksanb/four4 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffour4" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleksanb/four4 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aleksanb/four4
[INFO] finished tweaking git repo https://github.com/aleksanb/four4
[INFO] tweaked toml for git repo https://github.com/aleksanb/four4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aleksanb/four4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded remove_dir_all v0.5.0
[INFO] [stderr]   Downloaded tempfile v3.0.0
[INFO] [stderr]   Downloaded cc v1.0.9
[INFO] [stderr]   Downloaded vulkano-win v0.9.0
[INFO] [stderr]   Downloaded metal-rs v0.6.6
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded vulkano-shader-derive v0.9.0
[INFO] [stderr]   Downloaded vulkano-shaders v0.9.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.14
[INFO] [stderr]   Downloaded winit v0.11.3
[INFO] [stderr]   Downloaded shared_library v0.1.8
[INFO] [stderr]   Downloaded half v1.1.0
[INFO] [stderr]   Downloaded vk-sys v0.3.3
[INFO] [stderr]   Downloaded smallvec v0.6.0
[INFO] [stderr]   Downloaded x11-dl v2.17.3
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded vulkano v0.9.0
[INFO] [stderr]   Downloaded glsl-to-spirv v0.1.4
[INFO] [stderr]   Downloaded objc_id v0.1.0
[INFO] [stderr]   Downloaded cmake v0.1.29
[INFO] [stderr]   Downloaded objc v0.2.2
[INFO] [stderr]   Downloaded objc_exception v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d191ad446a6394d9bcfa48ed173e003ed153b056a511b6c861a727b567b979ff
[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" "d191ad446a6394d9bcfa48ed173e003ed153b056a511b6c861a727b567b979ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d191ad446a6394d9bcfa48ed173e003ed153b056a511b6c861a727b567b979ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d191ad446a6394d9bcfa48ed173e003ed153b056a511b6c861a727b567b979ff", kill_on_drop: false }`
[INFO] [stdout] d191ad446a6394d9bcfa48ed173e003ed153b056a511b6c861a727b567b979ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 930fe016ce0e0bc4deb6030b93ab957ababe24e67574a8f1a75bd56092c6e06a
[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" "930fe016ce0e0bc4deb6030b93ab957ababe24e67574a8f1a75bd56092c6e06a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling vulkano v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking half v1.1.0
[INFO] [stderr]     Checking vk-sys v0.3.3
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking tempfile v3.0.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr] error: could not compile `vulkano`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vulkano /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vulkano-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=9389dc4e47a67f5c -C extra-filename=-9389dc4e47a67f5c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-5a69639d93e8a3fb.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-7d59de218ef7c605.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-8fdc019966a6e123.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2092cbc075b56c8.rmeta --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-e43df67296383add.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3b833b9a0266fcc1.rmeta --extern vk_sys=/opt/rustwide/target/debug/deps/libvk_sys-025e28794384ee9b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "930fe016ce0e0bc4deb6030b93ab957ababe24e67574a8f1a75bd56092c6e06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930fe016ce0e0bc4deb6030b93ab957ababe24e67574a8f1a75bd56092c6e06a", kill_on_drop: false }`
[INFO] [stdout] 930fe016ce0e0bc4deb6030b93ab957ababe24e67574a8f1a75bd56092c6e06a