[INFO] cloning repository https://github.com/thomastaylor312/wasmtime-bus-error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomastaylor312/wasmtime-bus-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomastaylor312%2Fwasmtime-bus-error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomastaylor312%2Fwasmtime-bus-error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08fe74d689cbc867eab5f42872a0157e35d5266a
[INFO] testing thomastaylor312/wasmtime-bus-error against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomastaylor312%2Fwasmtime-bus-error" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomastaylor312/wasmtime-bus-error on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomastaylor312/wasmtime-bus-error
[INFO] finished tweaking git repo https://github.com/thomastaylor312/wasmtime-bus-error
[INFO] tweaked toml for git repo https://github.com/thomastaylor312/wasmtime-bus-error written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/thomastaylor312/wasmtime-bus-error already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]   Downloaded wasmtime-environ v0.11.0
[INFO] [stderr]   Downloaded cpu-time v1.0.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.11.0
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded wasmtime-jit v0.11.0
[INFO] [stderr]   Downloaded weedle v0.10.0
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded yanix v0.11.0
[INFO] [stderr]   Downloaded string-interner v0.7.1
[INFO] [stderr]   Downloaded region v2.1.2
[INFO] [stderr]   Downloaded backtrace v0.3.44
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.58
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded wascap v0.2.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]   Downloaded js-sys v0.3.35
[INFO] [stderr]   Downloaded chrono-humanize v0.0.11
[INFO] [stderr]   Downloaded data-encoding v2.2.0
[INFO] [stderr]   Downloaded signature v1.0.0-pre.1
[INFO] [stderr]   Downloaded wapc v0.2.1
[INFO] [stderr]   Downloaded wasmtime-runtime v0.8.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded cranelift-bforest v0.58.0
[INFO] [stderr]   Downloaded ed25519 v1.0.0-pre.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.58
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded web-sys v0.3.35
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.58
[INFO] [stderr]   Downloaded curve25519-dalek v2.0.0
[INFO] [stderr]   Downloaded signatory v0.16.0
[INFO] [stderr]   Downloaded gimli v0.20.0
[INFO] [stderr]   Downloaded cranelift-native v0.50.0
[INFO] [stderr]   Downloaded faerie v0.13.0
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded wasmtime-jit v0.8.0
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded multimap v0.8.0
[INFO] [stderr]   Downloaded subtle-encoding v0.4.1
[INFO] [stderr]   Downloaded cvt v0.1.1
[INFO] [stderr]   Downloaded wasmtime-interface-types v0.11.0
[INFO] [stderr]   Downloaded wasmparser v0.39.3
[INFO] [stderr]   Downloaded walrus-macro v0.13.0
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.2
[INFO] [stderr]   Downloaded walrus v0.13.0
[INFO] [stderr]   Downloaded wasmtime-wasi v0.11.0
[INFO] [stderr]   Downloaded zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.50.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.50.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.8.0
[INFO] [stderr]   Downloaded cranelift-entity v0.50.0
[INFO] [stderr]   Downloaded wasi-common v0.11.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.50.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.8.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.50.0
[INFO] [stderr]   Downloaded wast v3.0.4
[INFO] [stderr]   Downloaded wasmtime v0.8.0
[INFO] [stderr]   Downloaded wasm-webidl-bindings v0.6.0
[INFO] [stderr]   Downloaded wat v1.0.10
[INFO] [stderr]   Downloaded winx v0.11.0
[INFO] [stderr]   Downloaded target-lexicon v0.9.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.58.0
[INFO] [stderr]   Downloaded nkeys v0.0.8
[INFO] [stderr]   Downloaded witx v0.7.0
[INFO] [stderr]   Downloaded wast v9.0.0
[INFO] [stderr]   Downloaded wascc-host v0.2.1
[INFO] [stderr]   Downloaded wasmparser v0.51.3
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded wig v0.11.0
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded signatory-dalek v0.16.0
[INFO] [stderr]   Downloaded nuid v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]   Downloaded wascc-codec v0.3.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.58
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded cranelift-codegen v0.50.0
[INFO] [stderr]   Downloaded cranelift-native v0.58.0
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] [stderr]   Downloaded faerie v0.14.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.58.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.58.0
[INFO] [stderr]   Downloaded cranelift-entity v0.58.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.58.0
[INFO] [stderr]   Downloaded wasmparser v0.48.2
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded cranelift-frontend v0.58.0
[INFO] [stderr]   Downloaded zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded gimli v0.19.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.50.0
[INFO] [stderr]   Downloaded wasmtime v0.11.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.11.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bceadea028aa60e70743cf42e4086cd217638fcf66c8ddb84111683bea14edb5
[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" "bceadea028aa60e70743cf42e4086cd217638fcf66c8ddb84111683bea14edb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bceadea028aa60e70743cf42e4086cd217638fcf66c8ddb84111683bea14edb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bceadea028aa60e70743cf42e4086cd217638fcf66c8ddb84111683bea14edb5", kill_on_drop: false }`
[INFO] [stdout] bceadea028aa60e70743cf42e4086cd217638fcf66c8ddb84111683bea14edb5
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8329313f414a2e6eb680e1808b02a7f83549ffe107a6458ce45e9d0331ce1e6
[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" "f8329313f414a2e6eb680e1808b02a7f83549ffe107a6458ce45e9d0331ce1e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.58.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.50.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmparser v0.39.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling wasmtime-environ v0.11.0
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling wasmtime-environ v0.8.0
[INFO] [stderr]    Compiling wasmparser v0.48.2
[INFO] [stderr]    Compiling wasmparser v0.51.3
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling wast v3.0.4
[INFO] [stderr]    Compiling wast v9.0.0
[INFO] [stderr]    Compiling subtle-encoding v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling signature v1.0.0-pre.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling gimli v0.19.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling ed25519 v1.0.0-pre.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.14/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="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=e3320a8797900c2e -C extra-filename=-e3320a8797900c2e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "f8329313f414a2e6eb680e1808b02a7f83549ffe107a6458ce45e9d0331ce1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8329313f414a2e6eb680e1808b02a7f83549ffe107a6458ce45e9d0331ce1e6", kill_on_drop: false }`
[INFO] [stdout] f8329313f414a2e6eb680e1808b02a7f83549ffe107a6458ce45e9d0331ce1e6