[INFO] fetching crate disco-rs 0.6.0...
[INFO] documenting disco-rs-0.6.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate disco-rs 0.6.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate disco-rs 0.6.0 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 disco-rs 0.6.0
[INFO] finished tweaking crates.io crate disco-rs 0.6.0
[INFO] tweaked toml for crates.io crate disco-rs 0.6.0 written to /workspace/builds/worker-1-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 data-encoding-macro-internal v0.1.10
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.12
[INFO] [stderr]   Downloaded elliptic-curve v0.10.4
[INFO] [stderr]   Downloaded cde v0.3.7
[INFO] [stderr]   Downloaded serde-big-array v0.3.3
[INFO] [stderr]   Downloaded strobe-rs v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c2473a86d464052e2c8b39688174abf51d65b36f4903de081d26eaaf92aa67d9
[INFO] running `Command { std: "docker" "start" "-a" "c2473a86d464052e2c8b39688174abf51d65b36f4903de081d26eaaf92aa67d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2473a86d464052e2c8b39688174abf51d65b36f4903de081d26eaaf92aa67d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2473a86d464052e2c8b39688174abf51d65b36f4903de081d26eaaf92aa67d9", kill_on_drop: false }`
[INFO] [stdout] c2473a86d464052e2c8b39688174abf51d65b36f4903de081d26eaaf92aa67d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] acbc9b64736a02ae9175ce4f3daabb9f855b5a0e28885fd09fb50a74f6a21ee1
[INFO] running `Command { std: "docker" "start" "-a" "acbc9b64736a02ae9175ce4f3daabb9f855b5a0e28885fd09fb50a74f6a21ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling data-encoding v2.3.3
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking serde-big-array v0.3.3
[INFO] [stderr]     Checking serde-big-array v0.4.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking strobe-rs v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling cde v0.3.7
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]  Documenting disco-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(trait_alias)]
[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 `disco-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name disco_rs src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="rand"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e363d976107b9d02 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-3570d1a0a25354c2.rmeta --extern cde=/opt/rustwide/target/debug/deps/libcde-7f971b037ae35a21.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-cd959e0abfb6c65c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-43372439ad3c157d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-81410bec36e49c06.rmeta --extern rand_core5=/opt/rustwide/target/debug/deps/librand_core-b59951763785a9ac.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-2f5969dafcec14d3.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-16a9472df4dea87d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7f5aa0c9c57e86c5.rmeta --extern serde_big_array=/opt/rustwide/target/debug/deps/libserde_big_array-1f003ec52bf3fc3c.rmeta --extern strobe_rs=/opt/rustwide/target/debug/deps/libstrobe_rs-c17ac94f7481553e.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b839f3f80c6bc09b.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-cfb56574886b6315.rmeta --cap-lints=warn --crate-version 0.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "acbc9b64736a02ae9175ce4f3daabb9f855b5a0e28885fd09fb50a74f6a21ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbc9b64736a02ae9175ce4f3daabb9f855b5a0e28885fd09fb50a74f6a21ee1", kill_on_drop: false }`
[INFO] [stdout] acbc9b64736a02ae9175ce4f3daabb9f855b5a0e28885fd09fb50a74f6a21ee1
