[INFO] cloning repository https://github.com/exoticorn/microw8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exoticorn/microw8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexoticorn%2Fmicrow8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexoticorn%2Fmicrow8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d41733142b36003b424c5ab0f5a360db253f389
[INFO] testing exoticorn/microw8 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexoticorn%2Fmicrow8" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exoticorn/microw8 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/exoticorn/microw8
[INFO] finished tweaking git repo https://github.com/exoticorn/microw8
[INFO] tweaked toml for git repo https://github.com/exoticorn/microw8 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/exoticorn/microw8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/exoticorn/curlywas.git`
[INFO] [stderr]     Updating git repository `https://github.com/exoticorn/upkr.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmtime-jit v0.30.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.30.0
[INFO] [stderr]   Downloaded more-asserts v0.2.2
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded minifb v0.20.0
[INFO] [stderr]   Downloaded const-random-macro v0.1.13
[INFO] [stderr]   Downloaded const-random v0.1.13
[INFO] [stderr]   Downloaded cmake v0.1.48
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded cpp_demangle v0.3.5
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded ariadne v0.1.3
[INFO] [stderr]   Downloaded chumsky v0.5.0
[INFO] [stderr]   Downloaded wasm-encoder v0.8.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.77.0
[INFO] [stderr]   Downloaded clang-sys v1.3.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.77.0
[INFO] [stderr]   Downloaded serde_derive v1.0.135
[INFO] [stderr]   Downloaded cranelift-codegen v0.77.0
[INFO] [stderr]   Downloaded wasmtime-fiber v0.30.0
[INFO] [stderr]   Downloaded leb128 v0.2.5
[INFO] [stderr]   Downloaded cranelift-entity v0.77.0
[INFO] [stderr]   Downloaded wasmparser v0.80.2
[INFO] [stderr]   Downloaded wasmtime-types v0.30.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.30.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.30.0
[INFO] [stderr]   Downloaded wasmtime v0.30.0
[INFO] [stderr]   Downloaded walrus-macro v0.19.0
[INFO] [stderr]   Downloaded wasmparser v0.77.0
[INFO] [stderr]   Downloaded walrus v0.19.0
[INFO] [stderr]   Downloaded wast v39.0.0
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded serde v1.0.135
[INFO] [stderr]   Downloaded wasmparser v0.81.0
[INFO] [stderr]   Downloaded wat v1.0.41
[INFO] [stderr]   Downloaded cty v0.2.2
[INFO] [stderr]   Downloaded raw-window-handle v0.4.2
[INFO] [stderr]   Downloaded psm v0.1.16
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded wasmtime-cache v0.30.0
[INFO] [stderr]   Downloaded cranelift-native v0.77.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.77.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.77.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.77.0
[INFO] [stderr]   Downloaded crc32fast v1.3.1
[INFO] [stderr]   Downloaded target-lexicon v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 9fc1e234c50a054a2fd4141180f7f7f19df5db3aea7ba04f6147d39bde39fecf
[INFO] running `Command { std: "docker" "start" "-a" "9fc1e234c50a054a2fd4141180f7f7f19df5db3aea7ba04f6147d39bde39fecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc1e234c50a054a2fd4141180f7f7f19df5db3aea7ba04f6147d39bde39fecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc1e234c50a054a2fd4141180f7f7f19df5db3aea7ba04f6147d39bde39fecf", kill_on_drop: false }`
[INFO] [stdout] 9fc1e234c50a054a2fd4141180f7f7f19df5db3aea7ba04f6147d39bde39fecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55b984669081273654e8272f57553e08a1f35f037c0c2e47382777c10b7383ca
[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" "55b984669081273654e8272f57553e08a1f35f037c0c2e47382777c10b7383ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling cranelift-entity v0.77.0
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling wasmparser v0.80.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling wasmtime-cache v0.30.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling wasmtime v0.30.0
[INFO] [stderr]    Compiling wasmparser v0.77.0
[INFO] [stderr]    Compiling wasmparser v0.81.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling wasm-encoder v0.8.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.77.0
[INFO] [stderr]    Compiling ariadne v0.1.3
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling wast v39.0.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling sacabase v2.0.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr] error: could not compile `regalloc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regalloc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regalloc-0.0.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=6793ac1ca3a56beb -C extra-filename=-6793ac1ca3a56beb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-ba3200a69ea295c7.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-90b377b8548f0070.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-9a9406f60e570d53.rmeta --cap-lints allow --cap-lints=warn` (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" "55b984669081273654e8272f57553e08a1f35f037c0c2e47382777c10b7383ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b984669081273654e8272f57553e08a1f35f037c0c2e47382777c10b7383ca", kill_on_drop: false }`
[INFO] [stdout] 55b984669081273654e8272f57553e08a1f35f037c0c2e47382777c10b7383ca