[INFO] fetching crate wasmer-wasi-experimental-io-devices 2.0.0-rc1...
[INFO] checking wasmer-wasi-experimental-io-devices-2.0.0-rc1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate wasmer-wasi-experimental-io-devices 2.0.0-rc1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wasmer-wasi-experimental-io-devices 2.0.0-rc1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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-rc1
[INFO] finished tweaking crates.io crate wasmer-wasi-experimental-io-devices 2.0.0-rc1
[INFO] tweaked toml for crates.io crate wasmer-wasi-experimental-io-devices 2.0.0-rc1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptr_meta v0.1.3
[INFO] [stderr]   Downloaded loupe-derive v0.1.2
[INFO] [stderr]   Downloaded wasmer-derive v2.0.0-rc2
[INFO] [stderr]   Downloaded ptr_meta_derive v0.1.2
[INFO] [stderr]   Downloaded seahash v4.1.0
[INFO] [stderr]   Downloaded wasmer v2.0.0-rc2
[INFO] [stderr]   Downloaded wasmer-engine v2.0.0-rc2
[INFO] [stderr]   Downloaded wasmer-wasi v2.0.0-rc2
[INFO] [stderr]   Downloaded loupe v0.1.2
[INFO] [stderr]   Downloaded wasmer-types v2.0.0-rc2
[INFO] [stderr]   Downloaded rkyv v0.6.7
[INFO] [stderr]   Downloaded rkyv_derive v0.6.7
[INFO] [stderr]   Downloaded wasmer-vm v2.0.0-rc2
[INFO] [stderr]   Downloaded wasmer-compiler v2.0.0-rc2
[INFO] [stderr]   Downloaded ref_thread_local v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce821da95a8bde6e37994113a787b1be573a136708f2a315d37e808a19b668e0
[INFO] running `Command { std: "docker" "start" "-a" "ce821da95a8bde6e37994113a787b1be573a136708f2a315d37e808a19b668e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce821da95a8bde6e37994113a787b1be573a136708f2a315d37e808a19b668e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce821da95a8bde6e37994113a787b1be573a136708f2a315d37e808a19b668e0", kill_on_drop: false }`
[INFO] [stdout] ce821da95a8bde6e37994113a787b1be573a136708f2a315d37e808a19b668e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea970fd937a281929820bbd309ca2ddf7fa89537217afa7061cb76d8681ee8dc
[INFO] running `Command { std: "docker" "start" "-a" "ea970fd937a281929820bbd309ca2ddf7fa89537217afa7061cb76d8681ee8dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rkyv v0.6.7
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ref_thread_local v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wasmer-vm v2.0.0-rc2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling minifb v0.19.3
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.3
[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 syn v1.0.73
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking wayland-cursor v0.28.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling rkyv_derive v0.6.7
[INFO] [stderr]    Compiling loupe-derive v0.1.2
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling wasmer-derive v2.0.0-rc2
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/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="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=116187084f2e413a -C extra-filename=-116187084f2e413a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-bd7b8ca88b2cc3f8.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-5e3bd83ae35830ee.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-4124e514b7a4f703.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-678d5d865513eebc.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-58fa4f49044d3e0e.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-97ca52e148358cd3.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" "ea970fd937a281929820bbd309ca2ddf7fa89537217afa7061cb76d8681ee8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea970fd937a281929820bbd309ca2ddf7fa89537217afa7061cb76d8681ee8dc", kill_on_drop: false }`
[INFO] [stdout] ea970fd937a281929820bbd309ca2ddf7fa89537217afa7061cb76d8681ee8dc