[INFO] fetching crate gba 0.4.0...
[INFO] documenting gba-0.4.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate gba 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gba 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config.toml
[INFO] started tweaking crates.io crate gba 0.4.0
[INFO] finished tweaking crates.io crate gba 0.4.0
[INFO] tweaked toml for crates.io crate gba 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate gba 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51ed9af18e9d22802db398df0d0ad5895854bbefb4aec7c6246a086b76e81ffd
[INFO] running `Command { std: "docker" "start" "-a" "51ed9af18e9d22802db398df0d0ad5895854bbefb4aec7c6246a086b76e81ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ed9af18e9d22802db398df0d0ad5895854bbefb4aec7c6246a086b76e81ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ed9af18e9d22802db398df0d0ad5895854bbefb4aec7c6246a086b76e81ffd", kill_on_drop: false }`
[INFO] [stdout] 51ed9af18e9d22802db398df0d0ad5895854bbefb4aec7c6246a086b76e81ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d07153c0afc1ea724c13aedade71d01469ea0807dc5988ce0aabfd71c9a04b2
[INFO] running `Command { std: "docker" "start" "-a" "6d07153c0afc1ea724c13aedade71d01469ea0807dc5988ce0aabfd71c9a04b2", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling gba v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking voladdress v0.4.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting gba v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm, global_asm, isa_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `gba`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name gba src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="embedded-hal"' --cfg 'feature="nb"' --cfg 'feature="serial"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-314228964589dbd7.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-9ebf0e1eba603c18.rmeta --extern voladdress=/opt/rustwide/target/debug/deps/libvoladdress-f71240c92887430e.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6d07153c0afc1ea724c13aedade71d01469ea0807dc5988ce0aabfd71c9a04b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d07153c0afc1ea724c13aedade71d01469ea0807dc5988ce0aabfd71c9a04b2", kill_on_drop: false }`
[INFO] [stdout] 6d07153c0afc1ea724c13aedade71d01469ea0807dc5988ce0aabfd71c9a04b2
