[INFO] cloning repository https://github.com/benmkw/comptime_trie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benmkw/comptime_trie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmkw%2Fcomptime_trie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenmkw%2Fcomptime_trie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 517ebbd32c4ae30549340cb4ae37887a36988a0a
[INFO] documenting benmkw/comptime_trie 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%2Fbenmkw%2Fcomptime_trie" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benmkw/comptime_trie 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/benmkw/comptime_trie
[INFO] finished tweaking git repo https://github.com/benmkw/comptime_trie
[INFO] tweaked toml for git repo https://github.com/benmkw/comptime_trie written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/benmkw/comptime_trie 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 103aece617162247d42b652cd5d6b2a4b8882321b3078ff55bd94067f7536db0
[INFO] running `Command { std: "docker" "start" "-a" "103aece617162247d42b652cd5d6b2a4b8882321b3078ff55bd94067f7536db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103aece617162247d42b652cd5d6b2a4b8882321b3078ff55bd94067f7536db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103aece617162247d42b652cd5d6b2a4b8882321b3078ff55bd94067f7536db0", kill_on_drop: false }`
[INFO] [stdout] 103aece617162247d42b652cd5d6b2a4b8882321b3078ff55bd94067f7536db0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a52973fe45b0500f7b69d8a9f6e5acc175c86a5c0feb3bc481e5eb71f2de588d
[INFO] running `Command { std: "docker" "start" "-a" "a52973fe45b0500f7b69d8a9f6e5acc175c86a5c0feb3bc481e5eb71f2de588d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]  Documenting comptime_trie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_partition_in_place)]
[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 `comptime_trie`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name comptime_trie src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d0c1f5bbded55fcf -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1496160ca4cd4b4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f583b1b745a21063.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-44a417a77f12a68f.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a52973fe45b0500f7b69d8a9f6e5acc175c86a5c0feb3bc481e5eb71f2de588d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52973fe45b0500f7b69d8a9f6e5acc175c86a5c0feb3bc481e5eb71f2de588d", kill_on_drop: false }`
[INFO] [stdout] a52973fe45b0500f7b69d8a9f6e5acc175c86a5c0feb3bc481e5eb71f2de588d