[INFO] fetching crate agb 0.9.2...
[INFO] documenting agb-0.9.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate agb 0.9.2 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate agb 0.9.2 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] removed /workspace/builds/worker-63/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-63/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate agb 0.9.2
[INFO] finished tweaking crates.io crate agb 0.9.2
[INFO] tweaked toml for crates.io crate agb 0.9.2 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate crates.io crate agb 0.9.2 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-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] f6dacfba7153e33d14ca833e32315c0e8837abd693e8dcc66b5a3c8c4daf1e57
[INFO] running `Command { std: "docker" "start" "-a" "f6dacfba7153e33d14ca833e32315c0e8837abd693e8dcc66b5a3c8c4daf1e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6dacfba7153e33d14ca833e32315c0e8837abd693e8dcc66b5a3c8c4daf1e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6dacfba7153e33d14ca833e32315c0e8837abd693e8dcc66b5a3c8c4daf1e57", kill_on_drop: false }`
[INFO] [stdout] f6dacfba7153e33d14ca833e32315c0e8837abd693e8dcc66b5a3c8c4daf1e57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 631fcc7bfaf5e6257de3ab2b1e8772dfbb81c399e214228294ad0688868fd873
[INFO] running `Command { std: "docker" "start" "-a" "631fcc7bfaf5e6257de3ab2b1e8772dfbb81c399e214228294ad0688868fd873", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling nohash v0.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling agb v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling asefile v0.3.4
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling agb_macros v0.2.0
[INFO] [stderr]    Compiling agb_sound_converter v0.2.0
[INFO] [stderr]     Checking agb_fixnum v0.2.1
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling agb_image_converter v0.7.0
[INFO] [stderr]  Documenting agb v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `agb`
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name agb src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d438f60290b24aff -L dependency=/opt/rustwide/target/debug/deps --extern agb_fixnum=/opt/rustwide/target/debug/deps/libagb_fixnum-6b907d855ba5a238.rmeta --extern agb_image_converter=/opt/rustwide/target/debug/deps/libagb_image_converter-0770f5deb0733c1c.so --extern agb_macros=/opt/rustwide/target/debug/deps/libagb_macros-8ab231112109ad01.so --extern agb_sound_converter=/opt/rustwide/target/debug/deps/libagb_sound_converter-6777c735a0a23c3d.so --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-ef97806793aedea0.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-45baccf165bfcbac.rmeta --extern modular_bitfield=/opt/rustwide/target/debug/deps/libmodular_bitfield-e69e440e08cb345a.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-8191e4856a4fec56.rmeta --cap-lints=warn --crate-version 0.9.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "631fcc7bfaf5e6257de3ab2b1e8772dfbb81c399e214228294ad0688868fd873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631fcc7bfaf5e6257de3ab2b1e8772dfbb81c399e214228294ad0688868fd873", kill_on_drop: false }`
[INFO] [stdout] 631fcc7bfaf5e6257de3ab2b1e8772dfbb81c399e214228294ad0688868fd873