[INFO] fetching crate tantivy_warc_indexer 0.2.0...
[INFO] documenting tantivy_warc_indexer-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate tantivy_warc_indexer 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tantivy_warc_indexer 0.2.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tantivy_warc_indexer 0.2.0
[INFO] finished tweaking crates.io crate tantivy_warc_indexer 0.2.0
[INFO] tweaked toml for crates.io crate tantivy_warc_indexer 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate tantivy_warc_indexer 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastdivide v0.3.0
[INFO] [stderr]   Downloaded census v0.4.0
[INFO] [stderr]   Downloaded tantivy-query-grammar v0.15.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded bitpacking v0.8.4
[INFO] [stderr]   Downloaded murmurhash32 v0.2.0
[INFO] [stderr]   Downloaded lru v0.6.5
[INFO] [stderr]   Downloaded levenshtein_automata v0.2.1
[INFO] [stderr]   Downloaded twox-hash v1.6.0
[INFO] [stderr]   Downloaded libflate v1.1.0
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[INFO] [stderr]   Downloaded combine v4.6.0
[INFO] [stderr]   Downloaded tantivy-fst v0.3.0
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[INFO] [stderr]   Downloaded warc v0.2.1
[INFO] [stderr]   Downloaded tantivy-bitpacker v0.1.0
[INFO] [stderr]   Downloaded tantivy v0.15.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80fa9931a9792dd0f9d1603ddf16990dcb52246eec68d9ce93416518e438074f
[INFO] running `Command { std: "docker" "start" "-a" "80fa9931a9792dd0f9d1603ddf16990dcb52246eec68d9ce93416518e438074f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80fa9931a9792dd0f9d1603ddf16990dcb52246eec68d9ce93416518e438074f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80fa9931a9792dd0f9d1603ddf16990dcb52246eec68d9ce93416518e438074f", kill_on_drop: false }`
[INFO] [stdout] 80fa9931a9792dd0f9d1603ddf16990dcb52246eec68d9ce93416518e438074f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b5c257509b00cfd9f4dbaaaa2c2ebc0e8f00a38ea7223ee4b0a5f2bb51c2660
[INFO] running `Command { std: "docker" "start" "-a" "6b5c257509b00cfd9f4dbaaaa2c2ebc0e8f00a38ea7223ee4b0a5f2bb51c2660", kill_on_drop: false }`
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[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling cc v1.0.69
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[INFO] [stderr]     Checking smallvec v1.6.1
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking tantivy-fst v0.3.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking tantivy-query-grammar v0.15.0
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
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[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking warc v0.2.1
[INFO] [stderr]     Checking tantivy v0.15.2
[INFO] [stderr]  Documenting tantivy_warc_indexer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_bounds)]
[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 `tantivy_warc_indexer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name tantivy_warc_indexer src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=bb526e01fdda0241 -L dependency=/opt/rustwide/target/debug/deps --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-2aa16744f93cab52.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-d5a5687452eb4227.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-8c52f037dd2fca4b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-af459e7c8d1dd2ba.rmeta --extern tantivy=/opt/rustwide/target/debug/deps/libtantivy-4becede027cec0f3.rmeta --extern warc=/opt/rustwide/target/debug/deps/libwarc-932470d848501ee8.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6b5c257509b00cfd9f4dbaaaa2c2ebc0e8f00a38ea7223ee4b0a5f2bb51c2660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5c257509b00cfd9f4dbaaaa2c2ebc0e8f00a38ea7223ee4b0a5f2bb51c2660", kill_on_drop: false }`
[INFO] [stdout] 6b5c257509b00cfd9f4dbaaaa2c2ebc0e8f00a38ea7223ee4b0a5f2bb51c2660
