[INFO] fetching crate elvis-backend 0.1.2...
[INFO] testing elvis-backend-0.1.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate elvis-backend 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate elvis-backend 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elvis-backend 0.1.2
[INFO] finished tweaking crates.io crate elvis-backend 0.1.2
[INFO] tweaked toml for crates.io crate elvis-backend 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-multi-value-xform v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-conventions v0.2.68
[INFO] [stderr]   Downloaded walrus-macro v0.18.0
[INFO] [stderr]   Downloaded wit-schema-version v0.1.0
[INFO] [stderr]   Downloaded wit-text v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-externref-xform v0.2.68
[INFO] [stderr]   Downloaded wit-parser v0.2.0
[INFO] [stderr]   Downloaded wit-writer v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-interpreter v0.2.68
[INFO] [stderr]   Downloaded wit-validator v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-threads-xform v0.2.68
[INFO] [stderr]   Downloaded binaryen-sys v0.10.1
[INFO] [stderr]   Downloaded wit-walrus v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-cli-support v0.2.68
[INFO] [stderr]   Downloaded wast v21.0.0
[INFO] [stderr]   Downloaded binaryen v0.10.0
[INFO] [stderr]   Downloaded wasmparser v0.59.0
[INFO] [stderr]   Downloaded walrus v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8687cfa238a30fdba68419f1aeb4d4d48a2ad7cfcda754960d78c8b75e486bb7
[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" "8687cfa238a30fdba68419f1aeb4d4d48a2ad7cfcda754960d78c8b75e486bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8687cfa238a30fdba68419f1aeb4d4d48a2ad7cfcda754960d78c8b75e486bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8687cfa238a30fdba68419f1aeb4d4d48a2ad7cfcda754960d78c8b75e486bb7", kill_on_drop: false }`
[INFO] [stdout] 8687cfa238a30fdba68419f1aeb4d4d48a2ad7cfcda754960d78c8b75e486bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce6d55138023887ddf61a863feb1050f73bec5178fb4d6e681317728e59d49c
[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" "1ce6d55138023887ddf61a863feb1050f73bec5178fb4d6e681317728e59d49c", kill_on_drop: false }`
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling wit-schema-version v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling binaryen-sys v0.10.1
[INFO] [stderr]    Compiling walrus-macro v0.18.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling multipart v0.17.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling wit-writer v0.2.0
[INFO] [stderr]    Compiling wit-parser v0.2.0
[INFO] [stderr]    Compiling wast v21.0.0
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling cargo_metadata v0.10.0
[INFO] [stderr]    Compiling wit-validator v0.2.1
[INFO] [stderr]    Compiling walrus v0.18.0
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr] error: could not compile `wast`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wast --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wast-21.0.0/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"' --cfg 'feature="wasm-module"' -C metadata=f16f4a8ecdda9bbb -C extra-filename=-f16f4a8ecdda9bbb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern leb128=/opt/rustwide/target/debug/deps/libleb128-279ce3aafd9f5187.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" "1ce6d55138023887ddf61a863feb1050f73bec5178fb4d6e681317728e59d49c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce6d55138023887ddf61a863feb1050f73bec5178fb4d6e681317728e59d49c", kill_on_drop: false }`
[INFO] [stdout] 1ce6d55138023887ddf61a863feb1050f73bec5178fb4d6e681317728e59d49c
