[INFO] cloning repository https://github.com/djdisodo/autoparse-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djdisodo/autoparse-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjdisodo%2Fautoparse-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjdisodo%2Fautoparse-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d68f3badcd27a6a9c6e34a0dfe4c0e30ce15c105
[INFO] documenting djdisodo/autoparse-rs 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%2Fdjdisodo%2Fautoparse-rs" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djdisodo/autoparse-rs 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/djdisodo/autoparse-rs
[INFO] finished tweaking git repo https://github.com/djdisodo/autoparse-rs
[INFO] tweaked toml for git repo https://github.com/djdisodo/autoparse-rs written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/djdisodo/autoparse-rs 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 snailquote v0.3.0
[INFO] [stderr]   Downloaded arrayvec v0.6.1
[INFO] [stderr]   Downloaded dede v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 8dcf8c9f80cee249fb517a6e63be59d6cc086eb4f5587ccd5489768006258d8c
[INFO] running `Command { std: "docker" "start" "-a" "8dcf8c9f80cee249fb517a6e63be59d6cc086eb4f5587ccd5489768006258d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dcf8c9f80cee249fb517a6e63be59d6cc086eb4f5587ccd5489768006258d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcf8c9f80cee249fb517a6e63be59d6cc086eb4f5587ccd5489768006258d8c", kill_on_drop: false }`
[INFO] [stdout] 8dcf8c9f80cee249fb517a6e63be59d6cc086eb4f5587ccd5489768006258d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 68cc0d6de86d72130ed48d2129a92226ee1962a4b3f7a3ecd9b4915e22fdc8e3
[INFO] running `Command { std: "docker" "start" "-a" "68cc0d6de86d72130ed48d2129a92226ee1962a4b3f7a3ecd9b4915e22fdc8e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking arrayvec v0.6.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling autoparse v0.1.0 (/opt/rustwide/workdir/autoparse)
[INFO] [stderr]  Documenting autoparse v0.1.0 (/opt/rustwide/workdir/autoparse)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]  Documenting autoparse-derive v0.1.0 (/opt/rustwide/workdir/autoparse-derive)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> autoparse-derive/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extend_one)]
[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 `autoparse-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name autoparse_derive autoparse-derive/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern autoparse=/opt/rustwide/target/debug/deps/libautoparse-1feee8951e768a10.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2b9825ce1335d53d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-48d96f6fed25aea0.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-32d9c511b1f24be2.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68cc0d6de86d72130ed48d2129a92226ee1962a4b3f7a3ecd9b4915e22fdc8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cc0d6de86d72130ed48d2129a92226ee1962a4b3f7a3ecd9b4915e22fdc8e3", kill_on_drop: false }`
[INFO] [stdout] 68cc0d6de86d72130ed48d2129a92226ee1962a4b3f7a3ecd9b4915e22fdc8e3
