[INFO] cloning repository https://github.com/DmitryDodzin/thread-async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DmitryDodzin/thread-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryDodzin%2Fthread-async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryDodzin%2Fthread-async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae66804f5be25a67ec836134f6d20a8cf7506e32
[INFO] documenting DmitryDodzin/thread-async against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryDodzin%2Fthread-async" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/DmitryDodzin/thread-async
[INFO] finished tweaking git repo https://github.com/DmitryDodzin/thread-async
[INFO] tweaked toml for git repo https://github.com/DmitryDodzin/thread-async written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DmitryDodzin/thread-async on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DmitryDodzin/thread-async already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http-body-util v0.1.0
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
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[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded tokio v1.36.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded async-task v4.7.0
[INFO] [stderr]   Downloaded js-sys v0.3.68
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[INFO] [stderr]   Downloaded async-lock v3.3.0
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[INFO] [stderr]   Downloaded async-global-executor v2.4.1
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[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd9ed0df1097b37c0dd395f5cf54743b88451ebeb5f5b798ad7daa97df7dda03
[INFO] running `Command { std: "docker" "start" "-a" "dd9ed0df1097b37c0dd395f5cf54743b88451ebeb5f5b798ad7daa97df7dda03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9ed0df1097b37c0dd395f5cf54743b88451ebeb5f5b798ad7daa97df7dda03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9ed0df1097b37c0dd395f5cf54743b88451ebeb5f5b798ad7daa97df7dda03", kill_on_drop: false }`
[INFO] [stdout] dd9ed0df1097b37c0dd395f5cf54743b88451ebeb5f5b798ad7daa97df7dda03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be938a83bab19bb6c388db0157523c06558b84998c0ac380eb2e231fe6bda09f
[INFO] running `Command { std: "docker" "start" "-a" "be938a83bab19bb6c388db0157523c06558b84998c0ac380eb2e231fe6bda09f", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]  Documenting thread-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "std", feature(maybe_uninit_slice))]
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `thread-async`
[INFO] running `Command { std: "docker" "inspect" "be938a83bab19bb6c388db0157523c06558b84998c0ac380eb2e231fe6bda09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be938a83bab19bb6c388db0157523c06558b84998c0ac380eb2e231fe6bda09f", kill_on_drop: false }`
[INFO] [stdout] be938a83bab19bb6c388db0157523c06558b84998c0ac380eb2e231fe6bda09f
