[INFO] fetching crate dmenu_drun 0.1.4...
[INFO] documenting dmenu_drun-0.1.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate dmenu_drun 0.1.4 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate dmenu_drun 0.1.4 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmenu_drun 0.1.4
[INFO] finished tweaking crates.io crate dmenu_drun 0.1.4
[INFO] tweaked toml for crates.io crate dmenu_drun 0.1.4 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate crates.io crate dmenu_drun 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1680d5afef85a11f1bdbeb8f3ade01593204d2cdfa041f744a29713a99653d71
[INFO] running `Command { std: "docker" "start" "-a" "1680d5afef85a11f1bdbeb8f3ade01593204d2cdfa041f744a29713a99653d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1680d5afef85a11f1bdbeb8f3ade01593204d2cdfa041f744a29713a99653d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1680d5afef85a11f1bdbeb8f3ade01593204d2cdfa041f744a29713a99653d71", kill_on_drop: false }`
[INFO] [stdout] 1680d5afef85a11f1bdbeb8f3ade01593204d2cdfa041f744a29713a99653d71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b4da9a1a87e32508f1956d271f04eb637f93803f650191196cd8d0f228d0e1
[INFO] running `Command { std: "docker" "start" "-a" "88b4da9a1a87e32508f1956d271f04eb637f93803f650191196cd8d0f228d0e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking fork v0.1.18
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]  Documenting dmenu_drun v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_result_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `dmenu_drun`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name dmenu_drun src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=549e14cd52c7b556 -L dependency=/opt/rustwide/target/debug/deps --extern dirs=/opt/rustwide/target/debug/deps/libdirs-9e7332652627c26e.rmeta --extern fork=/opt/rustwide/target/debug/deps/libfork-75b33b3a4d43881b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "88b4da9a1a87e32508f1956d271f04eb637f93803f650191196cd8d0f228d0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b4da9a1a87e32508f1956d271f04eb637f93803f650191196cd8d0f228d0e1", kill_on_drop: false }`
[INFO] [stdout] 88b4da9a1a87e32508f1956d271f04eb637f93803f650191196cd8d0f228d0e1