[INFO] cloning repository https://github.com/charliesome/mixlab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charliesome/mixlab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Fmixlab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Fmixlab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d73346d0b2e572dd4ca4b597c26f51ef339ba84d
[INFO] documenting charliesome/mixlab against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Fmixlab" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charliesome/mixlab on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charliesome/mixlab
[INFO] finished tweaking git repo https://github.com/charliesome/mixlab
[INFO] tweaked toml for git repo https://github.com/charliesome/mixlab written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/charliesome/mixlab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libsqlite3-sys) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating git repository `https://github.com/haileysome/ffmpeg-dev-rs`
[INFO] [stderr]     Updating git repository `https://github.com/KallDrexx/rust-media-libs`
[INFO] [stderr]     Updating git repository `https://github.com/haileysome/x264-dev`
[INFO] [stderr]     Updating git repository `https://github.com/haileysome/mse_fmp4`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded crypto-mac v0.6.2
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded pin-project v0.4.8
[INFO] [stderr]   Downloaded trackable_derive v0.1.3
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded mime_guess v1.8.8
[INFO] [stderr]   Downloaded pin-project-internal v0.4.8
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.5
[INFO] [stderr]   Downloaded alsa-sys v0.3.0
[INFO] [stderr]   Downloaded fdk-aac v0.4.0
[INFO] [stderr]   Downloaded rml_amf0 v0.1.1
[INFO] [stderr]   Downloaded urlencoding v1.0.0
[INFO] [stderr]   Downloaded rusqlite v0.23.1
[INFO] [stderr]   Downloaded cpal v0.12.1
[INFO] [stderr]   Downloaded h2 v0.2.4
[INFO] [stderr]   Downloaded mpeg2ts v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.37
[INFO] [stderr]   Downloaded input_buffer v0.3.1
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded twoway v0.1.8
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded base64 v0.12.0
[INFO] [stderr]   Downloaded tungstenite v0.10.1
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.35
[INFO] [stderr]   Downloaded alsa v0.4.2
[INFO] [stderr]   Downloaded tokio-tungstenite v0.10.1
[INFO] [stderr]   Downloaded ringbuf v0.2.1
[INFO] [stderr]   Downloaded fdk-aac-sys v0.4.0
[INFO] [stderr]   Downloaded bindgen v0.53.1
[INFO] [stderr]   Downloaded warp v0.2.2
[INFO] [stderr]   Downloaded hmac v0.6.3
[INFO] [stderr]   Downloaded headers v0.3.2
[INFO] [stderr]   Downloaded failure v0.1.7
[INFO] [stderr]   Downloaded derive_more v0.99.5
[INFO] [stderr]   Downloaded hyper v0.13.4
[INFO] [stderr]   Downloaded multipart v0.16.1
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] [stderr]   Downloaded trackable v0.2.23
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.6
[INFO] [stderr]   Downloaded arc-swap v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34da482b40cf41e2889378fc88a6a6757f926be578dec44fd146ce03a5f2848e
[INFO] running `Command { std: "docker" "start" "-a" "34da482b40cf41e2889378fc88a6a6757f926be578dec44fd146ce03a5f2848e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34da482b40cf41e2889378fc88a6a6757f926be578dec44fd146ce03a5f2848e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34da482b40cf41e2889378fc88a6a6757f926be578dec44fd146ce03a5f2848e", kill_on_drop: false }`
[INFO] [stdout] 34da482b40cf41e2889378fc88a6a6757f926be578dec44fd146ce03a5f2848e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ddae527765b528ef89917b0f389a83d545a8c47c3ae9e95d6f20d0c2e97c02b
[INFO] running `Command { std: "docker" "start" "-a" "6ddae527765b528ef89917b0f389a83d545a8c47c3ae9e95d6f20d0c2e97c02b", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libsqlite3-sys) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling cpal v0.12.1
[INFO] [stderr]    Compiling packed_simd_2 v0.3.5
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking ringbuf v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling fdk-aac-sys v0.4.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.5/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     const_generics,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 227 | |     llvm_asm
[INFO] [stdout] 228 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr] error: could not compile `packed_simd_2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name packed_simd_2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=c1526f7a85eb2714 -C extra-filename=-c1526f7a85eb2714 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-20b9f5fb82bebd1b.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-4b038716fc1a653f.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" "6ddae527765b528ef89917b0f389a83d545a8c47c3ae9e95d6f20d0c2e97c02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddae527765b528ef89917b0f389a83d545a8c47c3ae9e95d6f20d0c2e97c02b", kill_on_drop: false }`
[INFO] [stdout] 6ddae527765b528ef89917b0f389a83d545a8c47c3ae9e95d6f20d0c2e97c02b
