[INFO] fetching crate simple-uuid 0.5.1...
[INFO] documenting simple-uuid-0.5.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate simple-uuid 0.5.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate simple-uuid 0.5.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-uuid 0.5.1
[INFO] finished tweaking crates.io crate simple-uuid 0.5.1
[INFO] tweaked toml for crates.io crate simple-uuid 0.5.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mac_address v1.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fd5dda7860634ac628550450cab170eba41a9842e9f6863a39c9d3066a3e887
[INFO] running `Command { std: "docker" "start" "-a" "6fd5dda7860634ac628550450cab170eba41a9842e9f6863a39c9d3066a3e887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd5dda7860634ac628550450cab170eba41a9842e9f6863a39c9d3066a3e887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd5dda7860634ac628550450cab170eba41a9842e9f6863a39c9d3066a3e887", kill_on_drop: false }`
[INFO] [stdout] 6fd5dda7860634ac628550450cab170eba41a9842e9f6863a39c9d3066a3e887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c560c7e7359d86ad3ad944185a4119276ff9945ba524579482e9f0e7b21822
[INFO] running `Command { std: "docker" "start" "-a" "10c560c7e7359d86ad3ad944185a4119276ff9945ba524579482e9f0e7b21822", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mac_address v1.1.4
[INFO] [stderr]  Documenting simple-uuid v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(doc_cfg)]
[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 `simple-uuid`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name simple_uuid src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="hash_md5"' --cfg 'feature="hash_sha1"' --cfg 'feature="mac_addr"' --cfg 'feature="mac_address"' --cfg 'feature="md5"' --cfg 'feature="rand_core"' --cfg 'feature="rand_num"' --cfg 'feature="sha1"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=991962dcf0e607e3 -L dependency=/opt/rustwide/target/debug/deps --extern mac_address=/opt/rustwide/target/debug/deps/libmac_address-f270d81a65ea8c7b.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-3bc2651a937f1c9d.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-01b276675a84fe93.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-c8c0484d0da01444.rmeta --cap-lints=warn --crate-version 0.5.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "10c560c7e7359d86ad3ad944185a4119276ff9945ba524579482e9f0e7b21822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c560c7e7359d86ad3ad944185a4119276ff9945ba524579482e9f0e7b21822", kill_on_drop: false }`
[INFO] [stdout] 10c560c7e7359d86ad3ad944185a4119276ff9945ba524579482e9f0e7b21822
