[INFO] fetching crate lucetc 0.6.1...
[INFO] testing lucetc-0.6.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate lucetc 0.6.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate lucetc 0.6.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lucetc 0.6.1
[INFO] finished tweaking crates.io crate lucetc 0.6.1
[INFO] tweaked toml for crates.io crate lucetc 0.6.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate lucetc 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded lucet-module v0.6.1
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded scroll v0.9.2
[INFO] [stderr]   Downloaded siphasher v0.3.1
[INFO] [stderr]   Downloaded string-interner v0.7.1
[INFO] [stderr]   Downloaded scrypt v0.2.0
[INFO] [stderr]   Downloaded parity-wasm v0.41.0
[INFO] [stderr]   Downloaded minisign v0.5.14
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded witx v0.6.0
[INFO] [stderr]   Downloaded lucet-validate v0.6.1
[INFO] [stderr]   Downloaded goblin v0.0.24
[INFO] [stderr]   Downloaded serde-big-array v0.2.0
[INFO] [stderr]   Downloaded target-lexicon v0.9.0
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded raw-cpuid v6.1.0
[INFO] [stderr]   Downloaded packed_struct v0.3.0
[INFO] [stderr]   Downloaded bimap v0.2.0
[INFO] [stderr]   Downloaded cranelift-faerie v0.51.0
[INFO] [stderr]   Downloaded cranelift-module v0.51.0
[INFO] [stderr]   Downloaded target-lexicon v0.8.1
[INFO] [stderr]   Downloaded human-size v0.4.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.51.0
[INFO] [stderr]   Downloaded cranelift-native v0.51.0
[INFO] [stderr]   Downloaded wasmonkey v0.1.9
[INFO] [stderr]   Downloaded packed_struct_codegen v0.3.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.51.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.51.0
[INFO] [stderr]   Downloaded cranelift-entity v0.51.0
[INFO] [stderr]   Downloaded object v0.14.1
[INFO] [stderr]   Downloaded faerie v0.12.0
[INFO] [stderr]   Downloaded parity-wasm v0.40.3
[INFO] [stderr]   Downloaded cranelift-frontend v0.51.0
[INFO] [stderr]   Downloaded wast v3.0.4
[INFO] [stderr]   Downloaded wasmparser v0.39.3
[INFO] [stderr]   Downloaded wabt v0.9.2
[INFO] [stderr]   Downloaded cranelift-codegen v0.51.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.51.0
[INFO] [stderr]   Downloaded wabt-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc5998413022e2d61a228187c404a51a18feb3bfa446f1e185d194fc9a0e013
[INFO] running `Command { std: "docker" "start" "-a" "bfc5998413022e2d61a228187c404a51a18feb3bfa446f1e185d194fc9a0e013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc5998413022e2d61a228187c404a51a18feb3bfa446f1e185d194fc9a0e013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc5998413022e2d61a228187c404a51a18feb3bfa446f1e185d194fc9a0e013", kill_on_drop: false }`
[INFO] [stdout] bfc5998413022e2d61a228187c404a51a18feb3bfa446f1e185d194fc9a0e013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec55e274ebedccf8d3fe995de4819a70917225021e18291d81e3297b8702f1e4
[INFO] running `Command { std: "docker" "start" "-a" "ec55e274ebedccf8d3fe995de4819a70917225021e18291d81e3297b8702f1e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]    Compiling cranelift-entity v0.51.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling wasmparser v0.39.3
[INFO] [stderr]    Compiling parity-wasm v0.40.3
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling xfailure v0.1.0
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling lucetc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling human-size v0.4.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling bimap v0.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cranelift-bforest v0.51.0
[INFO] [stderr]    Compiling wast v3.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr] error: could not compile `semver-parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name semver_parser /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/semver-parser-0.7.0/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 -C metadata=03acc8acbf834953 -C extra-filename=-03acc8acbf834953 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "ec55e274ebedccf8d3fe995de4819a70917225021e18291d81e3297b8702f1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec55e274ebedccf8d3fe995de4819a70917225021e18291d81e3297b8702f1e4", kill_on_drop: false }`
[INFO] [stdout] ec55e274ebedccf8d3fe995de4819a70917225021e18291d81e3297b8702f1e4