[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] checking acfoltzer/wasmtime-async-hostcall against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facfoltzer%2Fwasmtime-async-hostcall" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acfoltzer/wasmtime-async-hostcall on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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-9/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" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wepoll-binding v2.0.2
[INFO] [stderr]   Downloaded kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded wasmtime-jit v0.17.0
[INFO] [stderr]   Downloaded cranelift-native v0.64.0
[INFO] [stderr]   Downloaded zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]   Downloaded object v0.18.0
[INFO] [stderr]   Downloaded smol v0.1.11
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.3
[INFO] [stderr]   Downloaded async-std v1.6.0
[INFO] [stderr]   Downloaded wepoll-sys v2.0.0
[INFO] [stderr]   Downloaded faerie v0.15.0
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded wasmtime-environ v0.17.0
[INFO] [stderr]   Downloaded cranelift-entity v0.64.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.64.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.64.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.17.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.64.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.17.0
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded yanix v0.17.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.64.0
[INFO] [stderr]   Downloaded wiggle-macro v0.17.0
[INFO] [stderr]   Downloaded winx v0.17.0
[INFO] [stderr]   Downloaded wig v0.17.0
[INFO] [stderr]   Downloaded wiggle v0.17.0
[INFO] [stderr]   Downloaded wat v1.0.19
[INFO] [stderr]   Downloaded wiggle-generate v0.17.0
[INFO] [stderr]   Downloaded wasmtime-wasi v0.17.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.64.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.17.0
[INFO] [stderr]   Downloaded wasmtime v0.17.0
[INFO] [stderr]   Downloaded witx v0.8.5
[INFO] [stderr]   Downloaded wast v11.0.0
[INFO] [stderr]   Downloaded base64 v0.12.1
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded cranelift-codegen v0.64.0
[INFO] [stderr]   Downloaded wasi-common v0.17.0
[INFO] [stderr]   Downloaded wast v18.0.0
[INFO] [stderr]   Downloaded regalloc v0.0.25
[INFO] [stderr]   Downloaded gimli v0.20.0
[INFO] [stderr]   Downloaded zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.19
[INFO] [stderr]   Downloaded thiserror v1.0.19
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48bcd29ae560010c0c7438b20ea0119558d008dd295ca67f61e377e0eba65ba8
[INFO] running `Command { std: "docker" "start" "-a" "48bcd29ae560010c0c7438b20ea0119558d008dd295ca67f61e377e0eba65ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48bcd29ae560010c0c7438b20ea0119558d008dd295ca67f61e377e0eba65ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bcd29ae560010c0c7438b20ea0119558d008dd295ca67f61e377e0eba65ba8", kill_on_drop: false }`
[INFO] [stdout] 48bcd29ae560010c0c7438b20ea0119558d008dd295ca67f61e377e0eba65ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c18e09545f53c47bbcd21954b05b2ffcd4565cc56baf5e26259edfcd9303bc05
[INFO] running `Command { std: "docker" "start" "-a" "c18e09545f53c47bbcd21954b05b2ffcd4565cc56baf5e26259edfcd9303bc05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.64.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling wasmtime-environ v0.17.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wasi-common v0.17.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling wasmtime-wasi v0.17.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling wast v11.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking wast v18.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regalloc v0.0.25
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking yanix v0.17.0
[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,future-incompat --crate-type lib --emit=dep-info,metadata -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=dc17503f11bd0b3d -C extra-filename=-dc17503f11bd0b3d --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] running `Command { std: "docker" "inspect" "c18e09545f53c47bbcd21954b05b2ffcd4565cc56baf5e26259edfcd9303bc05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c18e09545f53c47bbcd21954b05b2ffcd4565cc56baf5e26259edfcd9303bc05", kill_on_drop: false }`
[INFO] [stdout] c18e09545f53c47bbcd21954b05b2ffcd4565cc56baf5e26259edfcd9303bc05