[INFO] cloning repository https://github.com/acfoltzer/wasmtime-async-hostcall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acfoltzer/wasmtime-async-hostcall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facfoltzer%2Fwasmtime-async-hostcall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facfoltzer%2Fwasmtime-async-hostcall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c128617e47ede5af9d2d34ff5f09bb13d710970a
[INFO] testing acfoltzer/wasmtime-async-hostcall against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facfoltzer%2Fwasmtime-async-hostcall" "/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/acfoltzer/wasmtime-async-hostcall on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/acfoltzer/wasmtime-async-hostcall
[INFO] finished tweaking git repo https://github.com/acfoltzer/wasmtime-async-hostcall
[INFO] tweaked toml for git repo https://github.com/acfoltzer/wasmtime-async-hostcall written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/acfoltzer/wasmtime-async-hostcall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]   Downloaded zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded base64 v0.12.1
[INFO] [stderr]   Downloaded wepoll-sys v2.0.0
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded wat v1.0.19
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded wiggle v0.17.0
[INFO] [stderr]   Downloaded witx v0.8.5
[INFO] [stderr]   Downloaded thiserror v1.0.19
[INFO] [stderr]   Downloaded wast v18.0.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.64.0
[INFO] [stderr]   Downloaded wepoll-binding v2.0.2
[INFO] [stderr]   Downloaded wasmtime-runtime v0.17.0
[INFO] [stderr]   Downloaded wiggle-macro v0.17.0
[INFO] [stderr]   Downloaded cranelift-native v0.64.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.17.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.19
[INFO] [stderr]   Downloaded cranelift-bforest v0.64.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.17.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.64.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.64.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.19
[INFO] [stderr]   Downloaded wiggle-generate v0.17.0
[INFO] [stderr]   Downloaded wast v11.0.0
[INFO] [stderr]   Downloaded object v0.18.0
[INFO] [stderr]   Downloaded regalloc v0.0.25
[INFO] [stderr]   Downloaded wig v0.17.0
[INFO] [stderr]   Downloaded winx v0.17.0
[INFO] [stderr]   Downloaded wasi-common v0.17.0
[INFO] [stderr]   Downloaded yanix v0.17.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.64.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded wasmtime-jit v0.17.0
[INFO] [stderr]   Downloaded faerie v0.15.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded wasmtime-wasi v0.17.0
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded pin-project v0.4.19
[INFO] [stderr]   Downloaded cranelift-entity v0.64.0
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded wasmtime v0.17.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.17.0
[INFO] [stderr]   Downloaded smol v0.1.11
[INFO] [stderr]   Downloaded zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]   Downloaded async-std v1.6.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.64.0
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded gimli v0.20.0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dedbe972c68b1713e8271f985d76957a8c9a20d61bab3a850431d87dac8a4119
[INFO] running `Command { std: "docker" "start" "-a" "dedbe972c68b1713e8271f985d76957a8c9a20d61bab3a850431d87dac8a4119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dedbe972c68b1713e8271f985d76957a8c9a20d61bab3a850431d87dac8a4119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedbe972c68b1713e8271f985d76957a8c9a20d61bab3a850431d87dac8a4119", kill_on_drop: false }`
[INFO] [stdout] dedbe972c68b1713e8271f985d76957a8c9a20d61bab3a850431d87dac8a4119
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 772a2f688ed0ebe9dfe8f859e4c309a68652e73c5e0eeb5e28d927dcbf0aeece
[INFO] running `Command { std: "docker" "start" "-a" "772a2f688ed0ebe9dfe8f859e4c309a68652e73c5e0eeb5e28d927dcbf0aeece", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.64.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling wasmtime-environ v0.17.0
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wasi-common v0.17.0
[INFO] [stderr]    Compiling wasmtime-wasi v0.17.0
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling wast v11.0.0
[INFO] [stderr]    Compiling wast v18.0.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling object v0.18.0
[INFO] [stderr]    Compiling regalloc v0.0.25
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling yanix v0.17.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling cc v1.0.54
[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-0.6.18/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="unicode"' --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=93c14007ae22b74c -C extra-filename=-93c14007ae22b74c --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" "772a2f688ed0ebe9dfe8f859e4c309a68652e73c5e0eeb5e28d927dcbf0aeece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772a2f688ed0ebe9dfe8f859e4c309a68652e73c5e0eeb5e28d927dcbf0aeece", kill_on_drop: false }`
[INFO] [stdout] 772a2f688ed0ebe9dfe8f859e4c309a68652e73c5e0eeb5e28d927dcbf0aeece