[INFO] fetching crate abrute 0.1.8...
[INFO] documenting abrute-0.1.8 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate abrute 0.1.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate abrute 0.1.8 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] started tweaking crates.io crate abrute 0.1.8
[INFO] finished tweaking crates.io crate abrute 0.1.8
[INFO] tweaked toml for crates.io crate abrute 0.1.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.5.9
[INFO] [stderr]   Downloaded array_tool v0.4.1
[INFO] [stderr]   Downloaded array_tool v1.0.3
[INFO] [stderr]   Downloaded base_custom v0.1.13
[INFO] [stderr]   Downloaded digits v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f1b8a623dec2a20d1105dc2f259abfe9c7d7f8d576fa7f61386f835d590ac162
[INFO] running `Command { std: "docker" "start" "-a" "f1b8a623dec2a20d1105dc2f259abfe9c7d7f8d576fa7f61386f835d590ac162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b8a623dec2a20d1105dc2f259abfe9c7d7f8d576fa7f61386f835d590ac162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b8a623dec2a20d1105dc2f259abfe9c7d7f8d576fa7f61386f835d590ac162", kill_on_drop: false }`
[INFO] [stdout] f1b8a623dec2a20d1105dc2f259abfe9c7d7f8d576fa7f61386f835d590ac162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6e6731dc439cfaea1f2a3b6e77395daa8365cff9eb03320c2753dda13e602337
[INFO] running `Command { std: "docker" "start" "-a" "6e6731dc439cfaea1f2a3b6e77395daa8365cff9eb03320c2753dda13e602337", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking array_tool v0.4.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking base_custom v0.1.13
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking digits v1.1.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]  Documenting abrute v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(try_from)]
[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:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(libc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `abrute`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name abrute src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern array_tool=/opt/rustwide/target/debug/deps/libarray_tool-b9d50042427358b9.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-18334fe60909c003.rmeta --extern digits=/opt/rustwide/target/debug/deps/libdigits-0043ff6527e669c3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-1423e7e80e4d7ff0.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-aef38e74cd3688b2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6a5809dcce96c926.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f6976e00c51eb486.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-85b20b722da98386.rmeta --extern tiny_http=/opt/rustwide/target/debug/deps/libtiny_http-31907ecfe04a7580.rmeta --cap-lints=warn --crate-version 0.1.8` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6e6731dc439cfaea1f2a3b6e77395daa8365cff9eb03320c2753dda13e602337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6731dc439cfaea1f2a3b6e77395daa8365cff9eb03320c2753dda13e602337", kill_on_drop: false }`
[INFO] [stdout] 6e6731dc439cfaea1f2a3b6e77395daa8365cff9eb03320c2753dda13e602337
