[INFO] fetching crate vicis 0.1.0...
[INFO] documenting vicis-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate vicis 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate vicis 0.1.0 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 vicis 0.1.0
[INFO] finished tweaking crates.io crate vicis 0.1.0
[INFO] tweaked toml for crates.io crate vicis 0.1.0 written to /workspace/builds/worker-15/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 756badd2ca7fefb7cb578f11bb26b86100782ac54309ba83f2bb19eaf4d1407e
[INFO] running `Command { std: "docker" "start" "-a" "756badd2ca7fefb7cb578f11bb26b86100782ac54309ba83f2bb19eaf4d1407e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "756badd2ca7fefb7cb578f11bb26b86100782ac54309ba83f2bb19eaf4d1407e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756badd2ca7fefb7cb578f11bb26b86100782ac54309ba83f2bb19eaf4d1407e", kill_on_drop: false }`
[INFO] [stdout] 756badd2ca7fefb7cb578f11bb26b86100782ac54309ba83f2bb19eaf4d1407e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 2022f0c9e0545ed5bd1fc344185d99cae2d322742af7536dee61550a54469f69
[INFO] running `Command { std: "docker" "start" "-a" "2022f0c9e0545ed5bd1fc344185d99cae2d322742af7536dee61550a54469f69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]  Documenting vicis 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(vec_into_raw_parts)]
[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 `vicis`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name vicis src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d024c8dc8b72bde6 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-bb8eae36d788d448.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-ad1849c1089dcfe8.rmeta --extern funty=/opt/rustwide/target/debug/deps/libfunty-7996885c711a4b40.rmeta --extern id_arena=/opt/rustwide/target/debug/deps/libid_arena-800b32648fbfcfd2.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-51abe5d5d29b90ef.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-d56dfff350773e2f.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-3daba49e2eb25686.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2022f0c9e0545ed5bd1fc344185d99cae2d322742af7536dee61550a54469f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2022f0c9e0545ed5bd1fc344185d99cae2d322742af7536dee61550a54469f69", kill_on_drop: false }`
[INFO] [stdout] 2022f0c9e0545ed5bd1fc344185d99cae2d322742af7536dee61550a54469f69