[INFO] fetching crate substrate-wasmtime 0.19.0...
[INFO] building substrate-wasmtime-0.19.0 against master#f3126500f25114ba4e0ac3e76694dd45a22de56d for pr-107620-1
[INFO] extracting crate substrate-wasmtime 0.19.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate substrate-wasmtime 0.19.0 on toolchain f3126500f25114ba4e0ac3e76694dd45a22de56d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-wasmtime 0.19.0
[INFO] finished tweaking crates.io crate substrate-wasmtime 0.19.0
[INFO] tweaked toml for crates.io crate substrate-wasmtime 0.19.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iter-enum v0.2.7
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.66.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.66.0
[INFO] [stderr]   Downloaded regalloc v0.0.27
[INFO] [stderr]   Downloaded cranelift-entity v0.66.0
[INFO] [stderr]   Downloaded wasmtime-obj v0.19.0
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded raw-cpuid v7.0.4
[INFO] [stderr]   Downloaded cranelift-native v0.66.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.66.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.66.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.19.0
[INFO] [stderr]   Downloaded ittapi-rs v0.1.6
[INFO] [stderr]   Downloaded staticvec v0.10.8
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.66.0
[INFO] [stderr]   Downloaded lightbeam v0.19.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.19.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.19.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.19.0
[INFO] [stderr]   Downloaded dynasmrt v0.5.2
[INFO] [stderr]   Downloaded cranelift-codegen v0.66.0
[INFO] [stderr]   Downloaded capstone v0.6.0
[INFO] [stderr]   Downloaded dynasm v0.5.2
[INFO] [stderr]   Downloaded capstone-sys v0.10.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab7bffd7457445dfb209d729de0e6ab0666550e5cd6499480f7ee9458cfb7a67
[INFO] running `Command { std: "docker" "start" "-a" "ab7bffd7457445dfb209d729de0e6ab0666550e5cd6499480f7ee9458cfb7a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7bffd7457445dfb209d729de0e6ab0666550e5cd6499480f7ee9458cfb7a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7bffd7457445dfb209d729de0e6ab0666550e5cd6499480f7ee9458cfb7a67", kill_on_drop: false }`
[INFO] [stdout] ab7bffd7457445dfb209d729de0e6ab0666550e5cd6499480f7ee9458cfb7a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcf989bc291f53f75fce3ed56524dc69c6a9d1a4889a165958f7ebc927d8acc5
[INFO] running `Command { std: "docker" "start" "-a" "fcf989bc291f53f75fce3ed56524dc69c6a9d1a4889a165958f7ebc927d8acc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling regalloc v0.0.27
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling gimli v0.27.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling wasm-encoder v0.22.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling wast v52.0.2
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[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-0.0.27/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=236416d048dc68fa -C extra-filename=-236416d048dc68fa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-2aea261907451eb5.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-91c665a5e97266ba.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-794da2e598533290.rmeta --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" "fcf989bc291f53f75fce3ed56524dc69c6a9d1a4889a165958f7ebc927d8acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf989bc291f53f75fce3ed56524dc69c6a9d1a4889a165958f7ebc927d8acc5", kill_on_drop: false }`
[INFO] [stdout] fcf989bc291f53f75fce3ed56524dc69c6a9d1a4889a165958f7ebc927d8acc5