[INFO] fetching crate jamsocket-wasm-host 0.1.0...
[INFO] testing jamsocket-wasm-host-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate jamsocket-wasm-host 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate jamsocket-wasm-host 0.1.0 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 jamsocket-wasm-host 0.1.0
[INFO] finished tweaking crates.io crate jamsocket-wasm-host 0.1.0
[INFO] tweaked toml for crates.io crate jamsocket-wasm-host 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [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" "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] [stdout] 5a55b0f28bf579e7b62a7abbb8dccb119147b9f13ebefb581669bc6251730210
[INFO] running `Command { std: "docker" "start" "-a" "5a55b0f28bf579e7b62a7abbb8dccb119147b9f13ebefb581669bc6251730210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a55b0f28bf579e7b62a7abbb8dccb119147b9f13ebefb581669bc6251730210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a55b0f28bf579e7b62a7abbb8dccb119147b9f13ebefb581669bc6251730210", kill_on_drop: false }`
[INFO] [stdout] 5a55b0f28bf579e7b62a7abbb8dccb119147b9f13ebefb581669bc6251730210
[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" "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] df43cd0b812f5a8b6bdb03c32a2ee915a2156f0daafe4493032c1c236747c887
[INFO] running `Command { std: "docker" "start" "-a" "df43cd0b812f5a8b6bdb03c32a2ee915a2156f0daafe4493032c1c236747c887", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling wasmparser v0.78.2
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling wasi-common v0.28.0
[INFO] [stderr]    Compiling wasmtime-wasi v0.28.0
[INFO] [stderr]    Compiling jamsocket v0.1.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling wasmtime-fiber v0.28.0
[INFO] [stderr]    Compiling wasmtime-runtime v0.28.0
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling cranelift-entity v0.75.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.75.0
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]    Compiling wast v38.0.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]    Compiling cranelift-bforest v0.75.0
[INFO] [stderr]    Compiling unsafe-io v0.6.12
[INFO] [stderr]    Compiling cap-primitives v0.13.10
[INFO] [stderr]    Compiling cap-std v0.13.10
[INFO] [stderr]    Compiling cap-fs-ext v0.13.10
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling witx v0.9.1
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling io-lifetimes v0.1.1
[INFO] [stderr]    Compiling system-interface v0.6.6
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling wiggle-generate v0.28.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling posish v0.6.3
[INFO] [stderr]    Compiling wat v1.0.40
[INFO] [stderr]    Compiling rand v0.8.4
[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 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="enable-serde"' --cfg 'feature="serde"' -C metadata=55061fa1c22c180d -C extra-filename=-55061fa1c22c180d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-51b42ffc939a9eea.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-90b377b8548f0070.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c36803fedfa1c329.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-0e12401d3f654579.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" "df43cd0b812f5a8b6bdb03c32a2ee915a2156f0daafe4493032c1c236747c887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df43cd0b812f5a8b6bdb03c32a2ee915a2156f0daafe4493032c1c236747c887", kill_on_drop: false }`
[INFO] [stdout] df43cd0b812f5a8b6bdb03c32a2ee915a2156f0daafe4493032c1c236747c887