[INFO] fetching crate minutiae 0.12.2...
[INFO] documenting minutiae-0.12.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate minutiae 0.12.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate minutiae 0.12.2 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] started tweaking crates.io crate minutiae 0.12.2
[INFO] finished tweaking crates.io crate minutiae 0.12.2
[INFO] tweaked toml for crates.io crate minutiae 0.12.2 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] adf6990444e5da87d8801b6bc0fe2ffb0e86715460e736b06da5b74c0caef0f7
[INFO] running `Command { std: "docker" "start" "-a" "adf6990444e5da87d8801b6bc0fe2ffb0e86715460e736b06da5b74c0caef0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adf6990444e5da87d8801b6bc0fe2ffb0e86715460e736b06da5b74c0caef0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf6990444e5da87d8801b6bc0fe2ffb0e86715460e736b06da5b74c0caef0f7", kill_on_drop: false }`
[INFO] [stdout] adf6990444e5da87d8801b6bc0fe2ffb0e86715460e736b06da5b74c0caef0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2dea0428652d3255b9079a82ec194100d605ef7c7ba68874cd4bd8016ae29a50
[INFO] running `Command { std: "docker" "start" "-a" "2dea0428652d3255b9079a82ec194100d605ef7c7ba68874cd4bd8016ae29a50", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]  Documenting minutiae v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / #![feature(
[INFO] [stdout] 5  | |     associated_type_defaults,
[INFO] [stdout] 6  | |     box_syntax,
[INFO] [stdout] 7  | |     core_intrinsics,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     const_transmute
[INFO] [stdout] 15 | | )]
[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 `minutiae`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name minutiae src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=74b1405aa4cb1c6d -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-5fb8330047908de9.rmeta --extern gif=/opt/rustwide/target/debug/deps/libgif-11fba1de90d8b879.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-76b53d24a1b82500.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-fcfcbf1582f190ee.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-bdb2995dac0723b5.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-bd7e9b3c8799cd93.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-9c8047b9e68c5c02.rmeta --cap-lints=warn --crate-version 0.12.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2dea0428652d3255b9079a82ec194100d605ef7c7ba68874cd4bd8016ae29a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dea0428652d3255b9079a82ec194100d605ef7c7ba68874cd4bd8016ae29a50", kill_on_drop: false }`
[INFO] [stdout] 2dea0428652d3255b9079a82ec194100d605ef7c7ba68874cd4bd8016ae29a50