[INFO] cloning repository https://github.com/dtomvan/dmenu_drun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtomvan/dmenu_drun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtomvan%2Fdmenu_drun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtomvan%2Fdmenu_drun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67306e885f335bc7b0c81e6af4242f5be1a3b46
[INFO] documenting dtomvan/dmenu_drun against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtomvan%2Fdmenu_drun" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dtomvan/dmenu_drun 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 git repo https://github.com/dtomvan/dmenu_drun
[INFO] finished tweaking git repo https://github.com/dtomvan/dmenu_drun
[INFO] tweaked toml for git repo https://github.com/dtomvan/dmenu_drun written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/dtomvan/dmenu_drun 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 341386d100692b15be69e6988f2bd5dd4ee91fe95631df4795a47c4646d753be
[INFO] running `Command { std: "docker" "start" "-a" "341386d100692b15be69e6988f2bd5dd4ee91fe95631df4795a47c4646d753be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "341386d100692b15be69e6988f2bd5dd4ee91fe95631df4795a47c4646d753be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341386d100692b15be69e6988f2bd5dd4ee91fe95631df4795a47c4646d753be", kill_on_drop: false }`
[INFO] [stdout] 341386d100692b15be69e6988f2bd5dd4ee91fe95631df4795a47c4646d753be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 163200ae5a69bb77979d2bd32196f846ed96c3a418746135a9ff3bd4622b8983
[INFO] running `Command { std: "docker" "start" "-a" "163200ae5a69bb77979d2bd32196f846ed96c3a418746135a9ff3bd4622b8983", 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 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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=88f9f6ed5e8747d8 -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 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "163200ae5a69bb77979d2bd32196f846ed96c3a418746135a9ff3bd4622b8983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163200ae5a69bb77979d2bd32196f846ed96c3a418746135a9ff3bd4622b8983", kill_on_drop: false }`
[INFO] [stdout] 163200ae5a69bb77979d2bd32196f846ed96c3a418746135a9ff3bd4622b8983