[INFO] fetching crate bytebraise 0.1.3...
[INFO] documenting bytebraise-0.1.3 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate bytebraise 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bytebraise 0.1.3 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] started tweaking crates.io crate bytebraise 0.1.3
[INFO] finished tweaking crates.io crate bytebraise 0.1.3
[INFO] tweaked toml for crates.io crate bytebraise 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate bytebraise 0.1.3 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 semver v1.0.16
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded indoc v1.0.8
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded pyo3-macros v0.18.3
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded anstream v0.3.0
[INFO] [stderr]   Downloaded cow-utils v0.1.2
[INFO] [stderr]   Downloaded muncher v0.7.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.5
[INFO] [stderr]   Downloaded clap_lex v0.4.1
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded pyo3 v0.18.3
[INFO] [stderr]   Downloaded clap_builder v4.2.2
[INFO] [stderr]   Downloaded im-rc v15.1.0
[INFO] [stderr]   Downloaded clap v4.2.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.3
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.3
[INFO] [stderr]   Downloaded python-parser v0.2.0
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.3
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded typenum v1.14.0
[INFO] [stderr]   Downloaded clap_derive v4.2.0
[INFO] [stderr]   Downloaded nom_locate v0.3.1
[INFO] [stderr]   Downloaded nested_intervals v0.2.2
[INFO] [stderr]   Downloaded wtf8 v0.0.3
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded rowan v0.15.11
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.0
[INFO] [stderr]   Downloaded bytecount v0.3.2
[INFO] [stderr]   Downloaded conch-parser v0.1.1
[INFO] [stderr]   Downloaded unicode_names2 v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7b34017b24c137e0460b216e84401e1714d8315682a5bb51f354085b2edb0bf5
[INFO] running `Command { std: "docker" "start" "-a" "7b34017b24c137e0460b216e84401e1714d8315682a5bb51f354085b2edb0bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b34017b24c137e0460b216e84401e1714d8315682a5bb51f354085b2edb0bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b34017b24c137e0460b216e84401e1714d8315682a5bb51f354085b2edb0bf5", kill_on_drop: false }`
[INFO] [stdout] 7b34017b24c137e0460b216e84401e1714d8315682a5bb51f354085b2edb0bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5f8a7189631d6dba2c39a0fee74c71be81fce3ca698a7ddcce7511f4b80ead8e
[INFO] running `Command { std: "docker" "start" "-a" "5f8a7189631d6dba2c39a0fee74c71be81fce3ca698a7ddcce7511f4b80ead8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rowan v0.15.11
[INFO] [stderr]     Checking conch-parser v0.1.1
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking nested_intervals v0.2.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.3/src/lib.rs:612:42
[INFO] [stdout]     |
[INFO] [stdout] 612 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]     |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 compile `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5f8a7189631d6dba2c39a0fee74c71be81fce3ca698a7ddcce7511f4b80ead8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8a7189631d6dba2c39a0fee74c71be81fce3ca698a7ddcce7511f4b80ead8e", kill_on_drop: false }`
[INFO] [stdout] 5f8a7189631d6dba2c39a0fee74c71be81fce3ca698a7ddcce7511f4b80ead8e
