[INFO] fetching crate sarekt 0.0.4...
[INFO] testing sarekt-0.0.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sarekt 0.0.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sarekt 0.0.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sarekt 0.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sarekt 0.0.4
[INFO] tweaked toml for crates.io crate sarekt 0.0.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sarekt 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] d46097ede19540c0b738520d8413f260476a3b99c3ed80339b316b506b2923af
[INFO] running `Command { std: "docker" "start" "-a" "d46097ede19540c0b738520d8413f260476a3b99c3ed80339b316b506b2923af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46097ede19540c0b738520d8413f260476a3b99c3ed80339b316b506b2923af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46097ede19540c0b738520d8413f260476a3b99c3ed80339b316b506b2923af", kill_on_drop: false }`
[INFO] [stdout] d46097ede19540c0b738520d8413f260476a3b99c3ed80339b316b506b2923af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2418a8d69faad96c845f44b60d093f129b44010ca00f807ec7f698d834e7a61
[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" "e2418a8d69faad96c845f44b60d093f129b44010ca00f807ec7f698d834e7a61", kill_on_drop: false }`
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling slotmap v0.4.0
[INFO] [stderr]    Compiling safe-transmute v0.11.0-rc.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling vk-mem v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling png v0.16.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling ash v0.30.0
[INFO] [stderr]    Compiling ultraviolet v0.4.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.30.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=9b165a00412bc144 -C extra-filename=-9b165a00412bc144 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-db339a1c6405ed31.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/libloading-1efe80ef71bb569a/out` (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" "e2418a8d69faad96c845f44b60d093f129b44010ca00f807ec7f698d834e7a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2418a8d69faad96c845f44b60d093f129b44010ca00f807ec7f698d834e7a61", kill_on_drop: false }`
[INFO] [stdout] e2418a8d69faad96c845f44b60d093f129b44010ca00f807ec7f698d834e7a61