[INFO] updating cached repository https://github.com/BurNiinTRee/wgpu-mandelbrot
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c5b7e93bdd5a2709591bbb546d876b595fad65c
[INFO] checking BurNiinTRee/wgpu-mandelbrot against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurNiinTRee%2Fwgpu-mandelbrot" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BurNiinTRee/wgpu-mandelbrot on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BurNiinTRee/wgpu-mandelbrot
[INFO] finished tweaking git repo https://github.com/BurNiinTRee/wgpu-mandelbrot
[INFO] tweaked toml for git repo https://github.com/BurNiinTRee/wgpu-mandelbrot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/BurNiinTRee/wgpu-mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9c32b63a2270df5de310b0b5fbbe444d07127ba33a8502a2bf0880ca19efdf6
[INFO] running `"docker" "start" "-a" "f9c32b63a2270df5de310b0b5fbbe444d07127ba33a8502a2bf0880ca19efdf6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking ash v0.30.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking gfx-hal v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr] error: could not compile `nix`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/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=70fedd80a16c8573 -C extra-filename=-70fedd80a16c8573 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-ca5994f285fc9f46.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-625c0ca16d94a650.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-da1477356b6a7c53.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-12212c4f4d25eb4b.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 `"docker" "inspect" "f9c32b63a2270df5de310b0b5fbbe444d07127ba33a8502a2bf0880ca19efdf6"`
[INFO] running `"docker" "rm" "-f" "f9c32b63a2270df5de310b0b5fbbe444d07127ba33a8502a2bf0880ca19efdf6"`
[INFO] [stdout] f9c32b63a2270df5de310b0b5fbbe444d07127ba33a8502a2bf0880ca19efdf6