[INFO] fetching crate frawk 0.4.8...
[INFO] documenting frawk-0.4.8 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate frawk 0.4.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate frawk 0.4.8 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate frawk 0.4.8
[INFO] finished tweaking crates.io crate frawk 0.4.8
[INFO] tweaked toml for crates.io crate frawk 0.4.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate frawk 0.4.8 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tikv-jemallocator v0.4.3
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.93.1
[INFO] [stderr]   Downloaded cranelift-bforest v0.93.1
[INFO] [stderr]   Downloaded cranelift-entity v0.93.1
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] [stderr]   Downloaded cranelift-native v0.93.1
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded cranelift v0.93.1
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.8
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded grep-cli v0.1.6
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.4.3+5.2.1-patched.2
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded cranelift-codegen v0.93.1
[INFO] [stderr]   Downloaded cranelift-module v0.93.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.93.1
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded assert_cmd v2.0.4
[INFO] [stderr]   Downloaded cranelift-frontend v0.93.1
[INFO] [stderr]   Downloaded wasmtime-jit-icache-coherence v6.0.1
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded cranelift-isle v0.93.1
[INFO] [stderr]   Downloaded slice-group-by v0.3.0
[INFO] [stderr]   Downloaded cranelift-jit v0.93.1
[INFO] [stderr]   Downloaded llvm-sys v120.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 020cf06ce11a03d5e65b0db14026d8dd91ced0080988221125c703d624643bfd
[INFO] running `Command { std: "docker" "start" "-a" "020cf06ce11a03d5e65b0db14026d8dd91ced0080988221125c703d624643bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020cf06ce11a03d5e65b0db14026d8dd91ced0080988221125c703d624643bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020cf06ce11a03d5e65b0db14026d8dd91ced0080988221125c703d624643bfd", kill_on_drop: false }`
[INFO] [stdout] 020cf06ce11a03d5e65b0db14026d8dd91ced0080988221125c703d624643bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0de496a3ef6888e9d6a7bc56e789143cc55cb51a1f2b5f0d99ab92f979adc60
[INFO] running `Command { std: "docker" "start" "-a" "a0de496a3ef6888e9d6a7bc56e789143cc55cb51a1f2b5f0d99ab92f979adc60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling cranelift-isle v0.93.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.93.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling target-lexicon v0.12.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking cranelift-entity v0.93.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.93.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking slice-group-by v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking cranelift-bforest v0.93.1
[INFO] [stderr]     Checking bumpalo v3.12.0
[INFO] [stderr]     Checking regalloc2 v0.5.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.6.1
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[INFO] [stderr]    Compiling semver-parser v0.10.2
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[INFO] [stderr]    Compiling term v0.7.0
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[INFO] [stderr]    Compiling ascii-canvas v3.0.0
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[INFO] [stderr]    Compiling lalrpop-util v0.19.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
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[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]    Compiling cranelift-codegen v0.93.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling llvm-sys v120.2.3
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling lalrpop v0.19.7
[INFO] [stderr]     Checking grep-cli v0.1.6
[INFO] [stderr]    Compiling frawk v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cranelift-native v0.93.1
[INFO] [stderr]     Checking cranelift-frontend v0.93.1
[INFO] [stderr]     Checking cranelift-module v0.93.1
[INFO] [stderr]     Checking cranelift-jit v0.93.1
[INFO] [stderr]     Checking cranelift v0.93.1
[INFO] [stderr]     Checking tikv-jemallocator v0.4.3
[INFO] [stderr]  Documenting frawk v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "unstable", feature(core_intrinsics))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "unstable", feature(core_intrinsics))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "unstable", feature(test))]
[INFO] [stdout]   |                                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "unstable", feature(write_all_vectored))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `literal`
[INFO] [stdout]     --> src/compile.rs:2007:38
[INFO] [stdout]      |
[INFO] [stdout] 2007 | /// For regex patterns of the form "^<literal>", return a copy of the literal.
[INFO] [stdout]      |                                      ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `frawk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name frawk src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="allow_avx2"' --cfg 'feature="default"' --cfg 'feature="llvm-sys"' --cfg 'feature="llvm_backend"' --cfg 'feature="tikv-jemallocator"' --cfg 'feature="unstable"' --cfg 'feature="use_jemalloc"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=db5c35fe440ad369 -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-3f52ab3a1f70c282.rmeta --extern bumpalo=/opt/rustwide/target/debug/deps/libbumpalo-b8a293a0e9083e35.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b2566a54442c411f.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-6b393fc52ae97973.rmeta --extern cranelift=/opt/rustwide/target/debug/deps/libcranelift-9c0d8e3e7ba10506.rmeta --extern cranelift_codegen=/opt/rustwide/target/debug/deps/libcranelift_codegen-4cecb3ad1e6c627c.rmeta --extern cranelift_frontend=/opt/rustwide/target/debug/deps/libcranelift_frontend-9f289e3a891187f8.rmeta --extern cranelift_jit=/opt/rustwide/target/debug/deps/libcranelift_jit-e005d68daef27023.rmeta --extern cranelift_module=/opt/rustwide/target/debug/deps/libcranelift_module-d679d3d8fc467e26.rmeta --extern cranelift_native=/opt/rustwide/target/debug/deps/libcranelift_native-efa22c451bbe7acc.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-d009d5eb4b2f2f04.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-c1cb95cdbc31651c.rmeta --extern fast_float=/opt/rustwide/target/debug/deps/libfast_float-5c83bdbd2f7d60c4.rmeta --extern grep_cli=/opt/rustwide/target/debug/deps/libgrep_cli-89a810bae9c53bbc.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-f6d23d6aedf08cd5.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-555d30822ef276bc.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-360a4daa3b9667b7.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-21e257c40b520567.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-900704033b235124.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-41803d45ff16e27e.rmeta --extern llvm_sys=/opt/rustwide/target/debug/deps/libllvm_sys-995fbe5cf4d8cca5.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-9f7dca4632847b6e.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-af8dfb1958c604ee.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-8d6f326d13774720.so --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-3261bbe1a9e70e93.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-262837f039b789ca.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-1416f744c554d98a.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-f298d5a6cedb6b6f.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-12bd9394a5d1d522.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-7147d7ddcb150bb4.rmeta --extern target_lexicon=/opt/rustwide/target/debug/deps/libtarget_lexicon-698de5ba4b167b67.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-176f47aee783cc6b.rmeta --extern tikv_jemallocator=/opt/rustwide/target/debug/deps/libtikv_jemallocator-7be6d7219c68b732.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-23d357f8a8dfdefb.rmeta --cap-lints=warn --crate-version 0.4.8` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a0de496a3ef6888e9d6a7bc56e789143cc55cb51a1f2b5f0d99ab92f979adc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0de496a3ef6888e9d6a7bc56e789143cc55cb51a1f2b5f0d99ab92f979adc60", kill_on_drop: false }`
[INFO] [stdout] a0de496a3ef6888e9d6a7bc56e789143cc55cb51a1f2b5f0d99ab92f979adc60
