[INFO] fetching crate clippy-efm-filter 0.1.0...
[INFO] documenting clippy-efm-filter-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate clippy-efm-filter 0.1.0 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate clippy-efm-filter 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clippy-efm-filter 0.1.0
[INFO] finished tweaking crates.io crate clippy-efm-filter 0.1.0
[INFO] tweaked toml for crates.io crate clippy-efm-filter 0.1.0 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate crates.io crate clippy-efm-filter 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eef42934a6cab45837e6b8f56e503d8fabd1f53f09bb4b1721190ae9d33e708
[INFO] running `Command { std: "docker" "start" "-a" "6eef42934a6cab45837e6b8f56e503d8fabd1f53f09bb4b1721190ae9d33e708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eef42934a6cab45837e6b8f56e503d8fabd1f53f09bb4b1721190ae9d33e708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eef42934a6cab45837e6b8f56e503d8fabd1f53f09bb4b1721190ae9d33e708", kill_on_drop: false }`
[INFO] [stdout] 6eef42934a6cab45837e6b8f56e503d8fabd1f53f09bb4b1721190ae9d33e708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d64b8ddc7f565bbbd3ec6e1f3be1a0b859cad56b96d57b458fce63fb08f0d78
[INFO] running `Command { std: "docker" "start" "-a" "5d64b8ddc7f565bbbd3ec6e1f3be1a0b859cad56b96d57b458fce63fb08f0d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.0
[INFO] [stderr]     Checking clap v3.1.0
[INFO] [stderr]  Documenting clippy-efm-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stdin_forwarders)]
[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 `clippy-efm-filter`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name clippy_efm_filter src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b9ed7774a82f60d4 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-4aa53754a18392f5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5d64b8ddc7f565bbbd3ec6e1f3be1a0b859cad56b96d57b458fce63fb08f0d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d64b8ddc7f565bbbd3ec6e1f3be1a0b859cad56b96d57b458fce63fb08f0d78", kill_on_drop: false }`
[INFO] [stdout] 5d64b8ddc7f565bbbd3ec6e1f3be1a0b859cad56b96d57b458fce63fb08f0d78