[INFO] fetching crate parsell 0.6.5...
[INFO] documenting parsell-0.6.5 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate parsell 0.6.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate parsell 0.6.5 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 parsell 0.6.5
[INFO] finished tweaking crates.io crate parsell 0.6.5
[INFO] tweaked toml for crates.io crate parsell 0.6.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.3
[INFO] [stderr]   Downloaded skeptic v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c9cd0d24ca8bd6a2850856eedd49fc9515c49362a67e2ddaff59e25b79195a6c
[INFO] running `Command { std: "docker" "start" "-a" "c9cd0d24ca8bd6a2850856eedd49fc9515c49362a67e2ddaff59e25b79195a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9cd0d24ca8bd6a2850856eedd49fc9515c49362a67e2ddaff59e25b79195a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cd0d24ca8bd6a2850856eedd49fc9515c49362a67e2ddaff59e25b79195a6c", kill_on_drop: false }`
[INFO] [stdout] c9cd0d24ca8bd6a2850856eedd49fc9515c49362a67e2ddaff59e25b79195a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8485ff3d3a1172d49dccc16aade287b99108180c7bbfa3919932d5dae6f89a40
[INFO] running `Command { std: "docker" "start" "-a" "8485ff3d3a1172d49dccc16aade287b99108180c7bbfa3919932d5dae6f89a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]    Compiling parsell v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting parsell v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(unboxed_closures)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:276:57
[INFO] [stdout]     |
[INFO] [stdout] 276 |             (&Done(ref result1), &Done(ref result2)) => (result1 == result2),
[INFO] [stdout]     |                                                         ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 -             (&Done(ref result1), &Done(ref result2)) => (result1 == result2),
[INFO] [stdout] 276 +             (&Done(ref result1), &Done(ref result2)) => result1 == result2,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `parsell`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name parsell src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=121d6a2cb450c933 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.6.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8485ff3d3a1172d49dccc16aade287b99108180c7bbfa3919932d5dae6f89a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8485ff3d3a1172d49dccc16aade287b99108180c7bbfa3919932d5dae6f89a40", kill_on_drop: false }`
[INFO] [stdout] 8485ff3d3a1172d49dccc16aade287b99108180c7bbfa3919932d5dae6f89a40
