[INFO] fetching crate macro_tt_utils 0.1.9...
[INFO] documenting macro_tt_utils-0.1.9 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate macro_tt_utils 0.1.9 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate macro_tt_utils 0.1.9 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 macro_tt_utils 0.1.9
[INFO] finished tweaking crates.io crate macro_tt_utils 0.1.9
[INFO] tweaked toml for crates.io crate macro_tt_utils 0.1.9 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 4c1a91c1ecb60a719c534803b5b82c8b42558f0fb7b95fe130f5ef3fed01d23c
[INFO] running `Command { std: "docker" "start" "-a" "4c1a91c1ecb60a719c534803b5b82c8b42558f0fb7b95fe130f5ef3fed01d23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1a91c1ecb60a719c534803b5b82c8b42558f0fb7b95fe130f5ef3fed01d23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1a91c1ecb60a719c534803b5b82c8b42558f0fb7b95fe130f5ef3fed01d23c", kill_on_drop: false }`
[INFO] [stdout] 4c1a91c1ecb60a719c534803b5b82c8b42558f0fb7b95fe130f5ef3fed01d23c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 01faa577f158f52bdf09fdf0886370a53c08bc17469e2c1f945ad0952caf7b83
[INFO] running `Command { std: "docker" "start" "-a" "01faa577f158f52bdf09fdf0886370a53c08bc17469e2c1f945ad0952caf7b83", kill_on_drop: false }`
[INFO] [stderr]     Checking goto v0.1.2
[INFO] [stderr]  Documenting macro_tt_utils v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `macro_tt_utils`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name macro_tt_utils src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=65e7a3d207df9afe -L dependency=/opt/rustwide/target/debug/deps --extern goto=/opt/rustwide/target/debug/deps/libgoto-60f08bb8008bc39f.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.9` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "01faa577f158f52bdf09fdf0886370a53c08bc17469e2c1f945ad0952caf7b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01faa577f158f52bdf09fdf0886370a53c08bc17469e2c1f945ad0952caf7b83", kill_on_drop: false }`
[INFO] [stdout] 01faa577f158f52bdf09fdf0886370a53c08bc17469e2c1f945ad0952caf7b83