[INFO] fetching crate appr_dbscan_rust 0.1.2...
[INFO] documenting appr_dbscan_rust-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate appr_dbscan_rust 0.1.2 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate appr_dbscan_rust 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate appr_dbscan_rust 0.1.2
[INFO] finished tweaking crates.io crate appr_dbscan_rust 0.1.2
[INFO] tweaked toml for crates.io crate appr_dbscan_rust 0.1.2 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate appr_dbscan_rust 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded partitions v0.2.4
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded pdqselect v0.1.0
[INFO] [stderr]   Downloaded as-slice v0.1.3
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded either v1.6.0
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded heapless v0.5.5
[INFO] [stderr]   Downloaded rstar v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e9c08c3aaef7984c68e6a8cf446bb1c2b4c1651bc2efdbd0720f6fda4603e7
[INFO] running `Command { std: "docker" "start" "-a" "55e9c08c3aaef7984c68e6a8cf446bb1c2b4c1651bc2efdbd0720f6fda4603e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e9c08c3aaef7984c68e6a8cf446bb1c2b4c1651bc2efdbd0720f6fda4603e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e9c08c3aaef7984c68e6a8cf446bb1c2b4c1651bc2efdbd0720f6fda4603e7", kill_on_drop: false }`
[INFO] [stdout] 55e9c08c3aaef7984c68e6a8cf446bb1c2b4c1651bc2efdbd0720f6fda4603e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6b103d97b2dab3816e0fbb57ca3be13d90071fa9669ef99f01ae0073e5f4cd
[INFO] running `Command { std: "docker" "start" "-a" "7c6b103d97b2dab3816e0fbb57ca3be13d90071fa9669ef99f01ae0073e5f4cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking rstar v0.8.2
[INFO] [stderr]     Checking partitions v0.2.4
[INFO] [stderr]  Documenting appr_dbscan_rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[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 `appr_dbscan_rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name appr_dbscan src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d6d0f96b9b3775c4 -L dependency=/opt/rustwide/target/debug/deps --extern partitions=/opt/rustwide/target/debug/deps/libpartitions-1a14cb0557af4fac.rmeta --extern rstar=/opt/rustwide/target/debug/deps/librstar-f58821ee176a9095.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7c6b103d97b2dab3816e0fbb57ca3be13d90071fa9669ef99f01ae0073e5f4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6b103d97b2dab3816e0fbb57ca3be13d90071fa9669ef99f01ae0073e5f4cd", kill_on_drop: false }`
[INFO] [stdout] 7c6b103d97b2dab3816e0fbb57ca3be13d90071fa9669ef99f01ae0073e5f4cd