[INFO] fetching crate moogle 0.4.4...
[INFO] documenting moogle-0.4.4 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate moogle 0.4.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate moogle 0.4.4 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate moogle 0.4.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate moogle 0.4.4
[INFO] tweaked toml for crates.io crate moogle 0.4.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate moogle 0.4.4 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.75
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27fd8ae5d94dec0c9e0c940f8255f4045789f803fa693e83c293b83ad49be83a
[INFO] running `Command { std: "docker" "start" "-a" "27fd8ae5d94dec0c9e0c940f8255f4045789f803fa693e83c293b83ad49be83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27fd8ae5d94dec0c9e0c940f8255f4045789f803fa693e83c293b83ad49be83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27fd8ae5d94dec0c9e0c940f8255f4045789f803fa693e83c293b83ad49be83a", kill_on_drop: false }`
[INFO] [stdout] 27fd8ae5d94dec0c9e0c940f8255f4045789f803fa693e83c293b83ad49be83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d0c1b7e181f9df155f56904dc02775e271b45054ebe9fe09455fbc1d2aa183
[INFO] running `Command { std: "docker" "start" "-a" "97d0c1b7e181f9df155f56904dc02775e271b45054ebe9fe09455fbc1d2aa183", kill_on_drop: false }`
[INFO] [stderr]  Documenting moogle v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `moogle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name moogle src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3caa552300c98ce7 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.4.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "97d0c1b7e181f9df155f56904dc02775e271b45054ebe9fe09455fbc1d2aa183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d0c1b7e181f9df155f56904dc02775e271b45054ebe9fe09455fbc1d2aa183", kill_on_drop: false }`
[INFO] [stdout] 97d0c1b7e181f9df155f56904dc02775e271b45054ebe9fe09455fbc1d2aa183
