[INFO] cloning repository https://github.com/sim82/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sim82/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d29f5dfa671cfbfd66b22b2876741161cf8ca7f5
[INFO] documenting sim82/rust_playground 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%2Fsim82%2Frust_playground" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sim82/rust_playground 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/sim82/rust_playground
[INFO] finished tweaking git repo https://github.com/sim82/rust_playground
[INFO] tweaked toml for git repo https://github.com/sim82/rust_playground written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sim82/rust_playground 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: unused manifest key: dependencies.cgmath.simd
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2649d0765b31e72388de24f9d3077be7091b1c9eb5e4a12955daae8ebbbb9481
[INFO] running `Command { std: "docker" "start" "-a" "2649d0765b31e72388de24f9d3077be7091b1c9eb5e4a12955daae8ebbbb9481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2649d0765b31e72388de24f9d3077be7091b1c9eb5e4a12955daae8ebbbb9481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2649d0765b31e72388de24f9d3077be7091b1c9eb5e4a12955daae8ebbbb9481", kill_on_drop: false }`
[INFO] [stdout] 2649d0765b31e72388de24f9d3077be7091b1c9eb5e4a12955daae8ebbbb9481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 90f860072d3e7c55453f7b178ba7be79f956e291db5a4c77393f56890af0ba40
[INFO] running `Command { std: "docker" "start" "-a" "90f860072d3e7c55453f7b178ba7be79f956e291db5a4c77393f56890af0ba40", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.cgmath.simd
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking custom_error v1.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking packed_simd v0.3.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling shaderc v0.3.12
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.1/src/lib.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     const_fn,
[INFO] [stdout]     |     ^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking twox-hash v1.1.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.7
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking glyph_brush_layout v0.1.5
[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-0.3.1/src/lib.rs:202:1
[INFO] [stdout]     |
[INFO] [stdout] 202 | / #![feature(
[INFO] [stdout] 203 | |     repr_simd,
[INFO] [stdout] 204 | |     const_fn,
[INFO] [stdout] 205 | |     platform_intrinsics,
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |     custom_inner_attributes
[INFO] [stdout] 216 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking glyph_brush v0.4.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr] error: could not compile `packed_simd`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name packed_simd --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.1/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=95d54b91cbe065a9 -C extra-filename=-95d54b91cbe065a9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-07f375b9de3f8e5c.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" "90f860072d3e7c55453f7b178ba7be79f956e291db5a4c77393f56890af0ba40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f860072d3e7c55453f7b178ba7be79f956e291db5a4c77393f56890af0ba40", kill_on_drop: false }`
[INFO] [stdout] 90f860072d3e7c55453f7b178ba7be79f956e291db5a4c77393f56890af0ba40
