[INFO] cloning repository https://github.com/berwyn/auracite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berwyn/auracite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fauracite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fauracite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42eb7d3d5ab5a0a1a631510d4eba89b476996fa3
[INFO] documenting berwyn/auracite 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%2Fberwyn%2Fauracite" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/berwyn/auracite 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/berwyn/auracite
[INFO] finished tweaking git repo https://github.com/berwyn/auracite
[INFO] tweaked toml for git repo https://github.com/berwyn/auracite written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/berwyn/auracite 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]     Blocking waiting for file lock on package cache
[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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e76619ee18d1a484d2362f629568a2108975f4251f3006bfbba424a56c582f9
[INFO] running `Command { std: "docker" "start" "-a" "4e76619ee18d1a484d2362f629568a2108975f4251f3006bfbba424a56c582f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e76619ee18d1a484d2362f629568a2108975f4251f3006bfbba424a56c582f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e76619ee18d1a484d2362f629568a2108975f4251f3006bfbba424a56c582f9", kill_on_drop: false }`
[INFO] [stdout] 4e76619ee18d1a484d2362f629568a2108975f4251f3006bfbba424a56c582f9
[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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5fdfc46d8267532b7202e210ad5969441be907a9bdc3d11f48d606c98198a6
[INFO] running `Command { std: "docker" "start" "-a" "6c5fdfc46d8267532b7202e210ad5969441be907a9bdc3d11f48d606c98198a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling futures v0.1.15
[INFO] [stderr]     Checking serde v1.0.12
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]    Compiling yansi v0.3.3
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.3/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(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 precomputed-hash v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking itoa v0.3.3
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[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/yansi-0.3.3/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_fn))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6c5fdfc46d8267532b7202e210ad5969441be907a9bdc3d11f48d606c98198a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5fdfc46d8267532b7202e210ad5969441be907a9bdc3d11f48d606c98198a6", kill_on_drop: false }`
[INFO] [stdout] 6c5fdfc46d8267532b7202e210ad5969441be907a9bdc3d11f48d606c98198a6
