[INFO] fetching crate wasmer-wasi-experimental-io-devices 2.0.0...
[INFO] documenting wasmer-wasi-experimental-io-devices-2.0.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate wasmer-wasi-experimental-io-devices 2.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wasmer-wasi-experimental-io-devices 2.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-wasi-experimental-io-devices 2.0.0
[INFO] finished tweaking crates.io crate wasmer-wasi-experimental-io-devices 2.0.0
[INFO] tweaked toml for crates.io crate wasmer-wasi-experimental-io-devices 2.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref_thread_local v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 740ec339a9a27a69270f04ccd253c3a0a46264b6831ce23631006b5bf2ae5f26
[INFO] running `Command { std: "docker" "start" "-a" "740ec339a9a27a69270f04ccd253c3a0a46264b6831ce23631006b5bf2ae5f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "740ec339a9a27a69270f04ccd253c3a0a46264b6831ce23631006b5bf2ae5f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740ec339a9a27a69270f04ccd253c3a0a46264b6831ce23631006b5bf2ae5f26", kill_on_drop: false }`
[INFO] [stdout] 740ec339a9a27a69270f04ccd253c3a0a46264b6831ce23631006b5bf2ae5f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b81eb777a7c7279fe4bccc4b85b5bd2012d7673850024da2919176fa38892bf8
[INFO] running `Command { std: "docker" "start" "-a" "b81eb777a7c7279fe4bccc4b85b5bd2012d7673850024da2919176fa38892bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rkyv v0.6.7
[INFO] [stderr]    Compiling target-lexicon v0.12.1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking ref_thread_local v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling wasmer-vm v2.0.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling minifb v0.19.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling rkyv_derive v0.6.7
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling wasmer-derive v2.0.0
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.13.0/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 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=1e2ea9f50e3c260b -C extra-filename=-1e2ea9f50e3c260b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-059813dc4f8dd4c8.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-6271d6d0bfb12270.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-842c01cbc6d4eb4a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0dd32b08acf7cc97.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-ebf03c86b56fe678.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-1dc982a1e2ce84b6.rmeta --cap-lints allow` (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" "b81eb777a7c7279fe4bccc4b85b5bd2012d7673850024da2919176fa38892bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81eb777a7c7279fe4bccc4b85b5bd2012d7673850024da2919176fa38892bf8", kill_on_drop: false }`
[INFO] [stdout] b81eb777a7c7279fe4bccc4b85b5bd2012d7673850024da2919176fa38892bf8
