[INFO] cloning repository https://github.com/Slimig/Wormcord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Slimig/Wormcord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlimig%2FWormcord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlimig%2FWormcord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42ce1f550840a8cc8ef12c72b4612bb714cac142
[INFO] documenting Slimig/Wormcord 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%2FSlimig%2FWormcord" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Slimig/Wormcord 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/Slimig/Wormcord
[INFO] finished tweaking git repo https://github.com/Slimig/Wormcord
[INFO] tweaked toml for git repo https://github.com/Slimig/Wormcord written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/Slimig/Wormcord 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-rustls v0.17.1
[INFO] [stderr]   Downloaded input_buffer v0.2.0
[INFO] [stderr]   Downloaded tokio-rustls v0.10.3
[INFO] [stderr]   Downloaded tungstenite v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] a1bfcc0beeb6c7b814f89c15607370fb9b9905b7bc08ff8719a09bcbe5e80d29
[INFO] running `Command { std: "docker" "start" "-a" "a1bfcc0beeb6c7b814f89c15607370fb9b9905b7bc08ff8719a09bcbe5e80d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1bfcc0beeb6c7b814f89c15607370fb9b9905b7bc08ff8719a09bcbe5e80d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bfcc0beeb6c7b814f89c15607370fb9b9905b7bc08ff8719a09bcbe5e80d29", kill_on_drop: false }`
[INFO] [stdout] a1bfcc0beeb6c7b814f89c15607370fb9b9905b7bc08ff8719a09bcbe5e80d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 929c4952554211f8016a5b632692e827c8b1fd3f9475f009a6cd2d956dbb578e
[INFO] running `Command { std: "docker" "start" "-a" "929c4952554211f8016a5b632692e827c8b1fd3f9475f009a6cd2d956dbb578e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling serenity v0.7.2 (https://github.com/r-o-b-o-t-o/serenity?branch=current#e6eadb70)
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
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[INFO] [stderr]     Checking rand_os v0.1.3
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[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking ureq v1.5.4
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]  Documenting wormcord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wormcord`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name wormcord src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern dirs=/opt/rustwide/target/debug/deps/libdirs-ba775b259ae5cc03.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e8c984ff6f836bc.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-0b371b8d929b8a6a.rmeta --extern ureq=/opt/rustwide/target/debug/deps/libureq-07e482515e5a255f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "929c4952554211f8016a5b632692e827c8b1fd3f9475f009a6cd2d956dbb578e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929c4952554211f8016a5b632692e827c8b1fd3f9475f009a6cd2d956dbb578e", kill_on_drop: false }`
[INFO] [stdout] 929c4952554211f8016a5b632692e827c8b1fd3f9475f009a6cd2d956dbb578e
