[INFO] fetching crate wasm-ast 0.1.0...
[INFO] testing wasm-ast-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate wasm-ast 0.1.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate wasm-ast 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-ast 0.1.0
[INFO] finished tweaking crates.io crate wasm-ast 0.1.0
[INFO] tweaked toml for crates.io crate wasm-ast 0.1.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate crates.io crate wasm-ast 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d0f1cbec26ee03cb06ffec0caedc3b9d8debc4da8b7c6e2707eafde56cf68fe
[INFO] running `Command { std: "docker" "start" "-a" "0d0f1cbec26ee03cb06ffec0caedc3b9d8debc4da8b7c6e2707eafde56cf68fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d0f1cbec26ee03cb06ffec0caedc3b9d8debc4da8b7c6e2707eafde56cf68fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0f1cbec26ee03cb06ffec0caedc3b9d8debc4da8b7c6e2707eafde56cf68fe", kill_on_drop: false }`
[INFO] [stdout] 0d0f1cbec26ee03cb06ffec0caedc3b9d8debc4da8b7c6e2707eafde56cf68fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc75f5a30a25fa02b2e9ace7823d7093397ca6fb5c8cb5386e9901007bded76
[INFO] running `Command { std: "docker" "start" "-a" "8dc75f5a30a25fa02b2e9ace7823d7093397ca6fb5c8cb5386e9901007bded76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling wasm-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `Command { std: "docker" "inspect" "8dc75f5a30a25fa02b2e9ace7823d7093397ca6fb5c8cb5386e9901007bded76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc75f5a30a25fa02b2e9ace7823d7093397ca6fb5c8cb5386e9901007bded76", kill_on_drop: false }`
[INFO] [stdout] 8dc75f5a30a25fa02b2e9ace7823d7093397ca6fb5c8cb5386e9901007bded76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ada5ef201a2d097da5f52a5d94d170774702251f34d219fa4b2c16e385d6af
[INFO] running `Command { std: "docker" "start" "-a" "80ada5ef201a2d097da5f52a5d94d170774702251f34d219fa4b2c16e385d6af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling cranelift-entity v0.77.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling wasmparser v0.80.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling wasmtime-cache v0.30.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling wasmtime v0.30.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling wast v38.0.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.77.0
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]    Compiling wasmtime-fiber v0.30.0
[INFO] [stderr]    Compiling backtrace v0.3.62
[INFO] [stderr]    Compiling wasmtime-runtime v0.30.0
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr] error: could not compile `regalloc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regalloc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regalloc-0.0.31/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"' -C metadata=e769dadeb35eab65 -C extra-filename=-e769dadeb35eab65 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-91c665a5e97266ba.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-1fbe5b6a2871d455.rmeta --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" "80ada5ef201a2d097da5f52a5d94d170774702251f34d219fa4b2c16e385d6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ada5ef201a2d097da5f52a5d94d170774702251f34d219fa4b2c16e385d6af", kill_on_drop: false }`
[INFO] [stdout] 80ada5ef201a2d097da5f52a5d94d170774702251f34d219fa4b2c16e385d6af