[INFO] fetching crate rustycpp 0.1.6...
[INFO] documenting rustycpp-0.1.6 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate rustycpp 0.1.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rustycpp 0.1.6 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 rustycpp 0.1.6
[INFO] finished tweaking crates.io crate rustycpp 0.1.6
[INFO] tweaked toml for crates.io crate rustycpp 0.1.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustycpp 0.1.6 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded f128_input v0.2.1
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v2.3.0
[INFO] [stderr]   Downloaded better_any v0.2.0-dev.1
[INFO] [stderr]   Downloaded f128_internal v0.2.2
[INFO] [stderr]   Downloaded antlr-rust v0.3.0-beta
[INFO] [stderr]   Downloaded f128 v0.2.9
[INFO] [stderr]   Downloaded murmur3 v0.4.1
[INFO] [stderr]   Downloaded priority-queue v1.2.3
[INFO] [stderr]   Downloaded lazy-regex v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bb44912aaed128e828d0d19044aed56f09839e4da58dedd6309e37a48afa148
[INFO] running `Command { std: "docker" "start" "-a" "4bb44912aaed128e828d0d19044aed56f09839e4da58dedd6309e37a48afa148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bb44912aaed128e828d0d19044aed56f09839e4da58dedd6309e37a48afa148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb44912aaed128e828d0d19044aed56f09839e4da58dedd6309e37a48afa148", kill_on_drop: false }`
[INFO] [stdout] 4bb44912aaed128e828d0d19044aed56f09839e4da58dedd6309e37a48afa148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/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] 8c5233357f6464644e4232aa3f674766ab2f7fad1a0e11a9d53c7d60bff12ee7
[INFO] running `Command { std: "docker" "start" "-a" "8c5233357f6464644e4232aa3f674766ab2f7fad1a0e11a9d53c7d60bff12ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling f128_internal v0.2.2
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.8
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]    Compiling priority-queue v1.2.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling f128_input v0.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]     Checking better_any v0.2.0-dev.1
[INFO] [stderr]     Checking f128 v0.2.9
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking antlr-rust v0.3.0-beta
[INFO] [stderr]     Checking multiset v0.0.5
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking env_logger v0.9.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.3.0
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling test-log v0.2.11
[INFO] [stderr]     Checking lazy-regex v2.3.0
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]    Compiling rustycpp v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rustycpp v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / #![feature(
[INFO] [stdout] 7  | |     option_result_contains,
[INFO] [stdout] 8  | |     iter_collect_into,
[INFO] [stdout] 9  | |     is_some_with,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     map_many_mut
[INFO] [stdout] 15 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `arbitrary_enum_discriminant` has been stable since `1.66.0` and no longer requires an attribute to enable
[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 `rustycpp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name rustycpp 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=2bdffad1d39dfb30 -L dependency=/opt/rustwide/target/debug/deps --extern antlr_rust=/opt/rustwide/target/debug/deps/libantlr_rust-97a746f9f42d59b7.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-0274feecb615efad.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-5954754500d3de2f.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-209bfe812749b092.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-7355e81f61719006.rmeta --extern f128=/opt/rustwide/target/debug/deps/libf128-1815aad18f887c29.rmeta --extern json=/opt/rustwide/target/debug/deps/libjson-807651f2eca983d2.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-8457dcd5dc521584.rmeta --extern lazy_regex=/opt/rustwide/target/debug/deps/liblazy_regex-02ac25d7fd12ff4b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-83c76fb4ff61e17e.rmeta --extern logos=/opt/rustwide/target/debug/deps/liblogos-913b3a895bf01267.rmeta --extern multiset=/opt/rustwide/target/debug/deps/libmultiset-4bcbf8ff61f5e0e9.rmeta --extern priority_queue=/opt/rustwide/target/debug/deps/libpriority_queue-9190ea20af7ba475.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-8126445ba05b0438.rmeta --extern test_log=/opt/rustwide/target/debug/deps/libtest_log-7437c26613f2a431.so --cap-lints=warn --crate-version 0.1.6` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8c5233357f6464644e4232aa3f674766ab2f7fad1a0e11a9d53c7d60bff12ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5233357f6464644e4232aa3f674766ab2f7fad1a0e11a9d53c7d60bff12ee7", kill_on_drop: false }`
[INFO] [stdout] 8c5233357f6464644e4232aa3f674766ab2f7fad1a0e11a9d53c7d60bff12ee7
