[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomastaylor312%2Fwasmtime-bus-error" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomastaylor312/wasmtime-bus-error on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-72/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6489c051719fc5f9fff8e04168b4d9c6a348c8a8ae053f4f88663f30e3a849b
[INFO] running `Command { std: "docker" "start" "-a" "b6489c051719fc5f9fff8e04168b4d9c6a348c8a8ae053f4f88663f30e3a849b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6489c051719fc5f9fff8e04168b4d9c6a348c8a8ae053f4f88663f30e3a849b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6489c051719fc5f9fff8e04168b4d9c6a348c8a8ae053f4f88663f30e3a849b", kill_on_drop: false }`
[INFO] [stdout] b6489c051719fc5f9fff8e04168b4d9c6a348c8a8ae053f4f88663f30e3a849b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f3743d647ed063b9511ff12238f0a37fa1b2bd55a712e9bf23792bdbe49a193
[INFO] running `Command { std: "docker" "start" "-a" "0f3743d647ed063b9511ff12238f0a37fa1b2bd55a712e9bf23792bdbe49a193", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.58.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.50.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling wasmparser v0.39.3
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling wasmtime-environ v0.8.0
[INFO] [stderr]    Compiling wasmtime-environ v0.11.0
[INFO] [stderr]    Compiling wasmparser v0.48.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling wasmparser v0.51.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling itoa v0.4.5
[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 untrusted v0.7.0
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[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=322723a608f61e50 -C extra-filename=-322723a608f61e50 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "0f3743d647ed063b9511ff12238f0a37fa1b2bd55a712e9bf23792bdbe49a193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3743d647ed063b9511ff12238f0a37fa1b2bd55a712e9bf23792bdbe49a193", kill_on_drop: false }`
[INFO] [stdout] 0f3743d647ed063b9511ff12238f0a37fa1b2bd55a712e9bf23792bdbe49a193