[INFO] fetching crate p-arse 0.0.1...
[INFO] documenting p-arse-0.0.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate p-arse 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate p-arse 0.0.1 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 p-arse 0.0.1
[INFO] finished tweaking crates.io crate p-arse 0.0.1
[INFO] tweaked toml for crates.io crate p-arse 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate p-arse 0.0.1 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 duple v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99cb33573abdf7bbf8ae93d5a38741033621743d8e7b34179f8f12c5fa4273a9
[INFO] running `Command { std: "docker" "start" "-a" "99cb33573abdf7bbf8ae93d5a38741033621743d8e7b34179f8f12c5fa4273a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99cb33573abdf7bbf8ae93d5a38741033621743d8e7b34179f8f12c5fa4273a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99cb33573abdf7bbf8ae93d5a38741033621743d8e7b34179f8f12c5fa4273a9", kill_on_drop: false }`
[INFO] [stdout] 99cb33573abdf7bbf8ae93d5a38741033621743d8e7b34179f8f12c5fa4273a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 14b1368f925eabe88cc11205fe4cb3538496875277e8b067e242f09a6d680e19
[INFO] running `Command { std: "docker" "start" "-a" "14b1368f925eabe88cc11205fe4cb3538496875277e8b067e242f09a6d680e19", kill_on_drop: false }`
[INFO] [stderr]     Checking duple v0.0.1
[INFO] [stderr]  Documenting p-arse v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern, fn_traits, str_split_inclusive_as_str)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern, fn_traits, str_split_inclusive_as_str)]
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern, fn_traits, str_split_inclusive_as_str)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `str_split_inclusive_as_str`
[INFO] [stdout]  --> src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern, fn_traits, str_split_inclusive_as_str)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `p-arse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name p_arse src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=15047dab31f9941c -L dependency=/opt/rustwide/target/debug/deps --extern duple=/opt/rustwide/target/debug/deps/libduple-bf4c89d471ff8528.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "14b1368f925eabe88cc11205fe4cb3538496875277e8b067e242f09a6d680e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b1368f925eabe88cc11205fe4cb3538496875277e8b067e242f09a6d680e19", kill_on_drop: false }`
[INFO] [stdout] 14b1368f925eabe88cc11205fe4cb3538496875277e8b067e242f09a6d680e19
