[INFO] updating cached repository https://github.com/Kneelawk/compute_error_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89933cd7bb38d9751ab54c81b8c2811ba8c3b12a
[INFO] checking Kneelawk/compute_error_example against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fcompute_error_example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kneelawk/compute_error_example on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kneelawk/compute_error_example
[INFO] finished tweaking git repo https://github.com/Kneelawk/compute_error_example
[INFO] tweaked toml for git repo https://github.com/Kneelawk/compute_error_example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Kneelawk/compute_error_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2e7174b36901928ced3ee33afc6ec9168f3e6ae2ce955147a11c2d900828c3a
[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" "b2e7174b36901928ced3ee33afc6ec9168f3e6ae2ce955147a11c2d900828c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2e7174b36901928ced3ee33afc6ec9168f3e6ae2ce955147a11c2d900828c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e7174b36901928ced3ee33afc6ec9168f3e6ae2ce955147a11c2d900828c3a", kill_on_drop: false }`
[INFO] [stdout] b2e7174b36901928ced3ee33afc6ec9168f3e6ae2ce955147a11c2d900828c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732b9ba14ed91e7e56d316413ea6930fdb4e7c0f9feba969e73f9dfeaf9f96af
[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" "732b9ba14ed91e7e56d316413ea6930fdb4e7c0f9feba969e73f9dfeaf9f96af", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling vulkano v0.16.0 (https://github.com/vulkano-rs/vulkano?rev=b0fb255c02eca58fb9b9b709e721bd89f8281ef4#b0fb255c)
[INFO] [stderr]     Checking vk-sys v0.5.0 (https://github.com/vulkano-rs/vulkano?rev=b0fb255c02eca58fb9b9b709e721bd89f8281ef4#b0fb255c)
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[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/git/checkouts/vulkano-cb672043253a6e8d/b0fb255/vulkano/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=b3dce78dfef451d3 -C extra-filename=-b3dce78dfef451d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-c5c7dd4477c4bf99.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-013e50a144e54931.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-c9caea07d55fc18d.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-38b91ae2ace6519a.rmeta --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-52b2a5ff58423945.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3248209b6192002a.rmeta --extern vk_sys=/opt/rustwide/target/debug/deps/libvk_sys-ddcbe9fd2259a50b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "732b9ba14ed91e7e56d316413ea6930fdb4e7c0f9feba969e73f9dfeaf9f96af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732b9ba14ed91e7e56d316413ea6930fdb4e7c0f9feba969e73f9dfeaf9f96af", kill_on_drop: false }`
[INFO] [stdout] 732b9ba14ed91e7e56d316413ea6930fdb4e7c0f9feba969e73f9dfeaf9f96af