[INFO] cloning repository https://github.com/DISTREAT/twml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DISTREAT/twml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Ftwml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Ftwml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662ae216a2529d66b1a0ed148785f6261eb10d6b
[INFO] documenting DISTREAT/twml against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Ftwml" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DISTREAT/twml 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 git repo https://github.com/DISTREAT/twml
[INFO] finished tweaking git repo https://github.com/DISTREAT/twml
[INFO] tweaked toml for git repo https://github.com/DISTREAT/twml written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DISTREAT/twml 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 line-col v0.2.1
[INFO] [stderr]   Downloaded hyper-tungstenite v0.8.2
[INFO] [stderr]   Downloaded cstr v0.2.11
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v5.0.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.9
[INFO] [stderr]   Downloaded dyn-fmt v0.4.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.17
[INFO] [stderr]   Downloaded openssl-sys v0.9.97
[INFO] [stderr]   Downloaded auto_generate_cdp v0.4.4
[INFO] [stderr]   Downloaded openssl v0.10.61
[INFO] [stderr]   Downloaded headless_chrome v1.0.8
[INFO] [stderr]   Downloaded railwind v0.1.5
[INFO] [stderr]   Downloaded penguin v0.1.8
[INFO] [stderr]   Downloaded font-kit v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c4bcda50dcc878a3fd34a917a770a3b519ca81397b70c06981013ac5e901664e
[INFO] running `Command { std: "docker" "start" "-a" "c4bcda50dcc878a3fd34a917a770a3b519ca81397b70c06981013ac5e901664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4bcda50dcc878a3fd34a917a770a3b519ca81397b70c06981013ac5e901664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4bcda50dcc878a3fd34a917a770a3b519ca81397b70c06981013ac5e901664e", kill_on_drop: false }`
[INFO] [stdout] c4bcda50dcc878a3fd34a917a770a3b519ca81397b70c06981013ac5e901664e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e766e79470535a7ce2f1c9810d1bf858a93e48f8364358a623cafe8af65814ac
[INFO] running `Command { std: "docker" "start" "-a" "e766e79470535a7ce2f1c9810d1bf858a93e48f8364358a623cafe8af65814ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling rustls v0.21.9
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling ring v0.17.6
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]    Compiling socks v0.3.4
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling webpki-roots v0.25.3
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling auto_generate_cdp v0.4.4
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v5.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking cfb v0.7.3
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking brotli-decompressor v2.5.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-tungstenite v0.17.2
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling cstr v0.2.11
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling penguin v0.1.8
[INFO] [stderr]    Compiling font-kit v0.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking brotli v3.4.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking infer v0.15.0
[INFO] [stderr]     Checking freetype v0.7.0
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking line-col v0.2.1
[INFO] [stderr]     Checking http-range v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking fancy-regex v0.12.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking lopdf v0.31.0
[INFO] [stderr]     Checking railwind v0.1.5
[INFO] [stderr]     Checking dyn-fmt v0.4.0
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking which v5.0.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-tungstenite v0.8.2
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]    Compiling headless_chrome v1.0.8
[INFO] [stderr]  Documenting twml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking twml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[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] [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 compile `twml` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `twml`
[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=2021 --crate-type lib --crate-name twml src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=21cc1d0e197ab608 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-407784efe10f3351.rmeta --extern dyn_fmt=/opt/rustwide/target/debug/deps/libdyn_fmt-e7bc3b4f2b51242b.rmeta --extern fancy_regex=/opt/rustwide/target/debug/deps/libfancy_regex-3093e90bcec44448.rmeta --extern font_kit=/opt/rustwide/target/debug/deps/libfont_kit-b08eb7f56672ddf4.rmeta --extern headless_chrome=/opt/rustwide/target/debug/deps/libheadless_chrome-fb03586071490f55.rmeta --extern indoc=/opt/rustwide/target/debug/deps/libindoc-28ce5334c3ff16bf.so --extern lopdf=/opt/rustwide/target/debug/deps/liblopdf-ac20f7b05b57186a.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-4a46bc138e0b69e3.rmeta --extern penguin=/opt/rustwide/target/debug/deps/libpenguin-cc9e518580870be9.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-87d3a5d97c85c292.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-d241a335ad34e0ef.so --extern railwind=/opt/rustwide/target/debug/deps/librailwind-adafe0b32df1d943.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-8fd90d94b9bf73f2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e766e79470535a7ce2f1c9810d1bf858a93e48f8364358a623cafe8af65814ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e766e79470535a7ce2f1c9810d1bf858a93e48f8364358a623cafe8af65814ac", kill_on_drop: false }`
[INFO] [stdout] e766e79470535a7ce2f1c9810d1bf858a93e48f8364358a623cafe8af65814ac
[INFO] documenting DISTREAT/twml against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Ftwml" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DISTREAT/twml on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DISTREAT/twml
[INFO] finished tweaking git repo https://github.com/DISTREAT/twml
[INFO] tweaked toml for git repo https://github.com/DISTREAT/twml written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DISTREAT/twml 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3401b3185f65b55a02218641f065df093dc516e1d411ad429332c268ec31b5e6
[INFO] running `Command { std: "docker" "start" "-a" "3401b3185f65b55a02218641f065df093dc516e1d411ad429332c268ec31b5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3401b3185f65b55a02218641f065df093dc516e1d411ad429332c268ec31b5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3401b3185f65b55a02218641f065df093dc516e1d411ad429332c268ec31b5e6", kill_on_drop: false }`
[INFO] [stdout] 3401b3185f65b55a02218641f065df093dc516e1d411ad429332c268ec31b5e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23677df94bada2c13107d18d0631d6a9c39abeef5285753e6d00c420bda9229b
[INFO] running `Command { std: "docker" "start" "-a" "23677df94bada2c13107d18d0631d6a9c39abeef5285753e6d00c420bda9229b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking once_cell v1.18.0
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[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling futures-core v0.3.29
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[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
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[INFO] [stderr]    Compiling futures-util v0.3.29
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[INFO] [stderr]    Compiling getrandom v0.2.11
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[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling thiserror-impl v1.0.50
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[INFO] [stderr]    Compiling derive_builder_core v0.12.0
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[INFO] [stderr]     Checking pbkdf2 v0.11.0
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[INFO] [stderr]    Compiling cstr v0.2.11
[INFO] [stderr]     Checking futures-executor v0.3.29
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[INFO] [stderr]     Checking bit-vec v0.6.3
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[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]    Compiling font-kit v0.12.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling pest_generator v2.7.5
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[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking fancy-regex v0.12.0
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking lopdf v0.31.0
[INFO] [stderr]     Checking railwind v0.1.5
[INFO] [stderr]     Checking dyn-fmt v0.4.0
[INFO] [stderr]     Checking which v5.0.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-tungstenite v0.8.2
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]    Compiling headless_chrome v1.0.8
[INFO] [stderr]     Checking twml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting twml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[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 `twml` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 document `twml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name twml src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c3c8378dca30ecb9 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d175569fa4968c54.rmeta --extern dyn_fmt=/opt/rustwide/target/debug/deps/libdyn_fmt-ed9692d127a0a6f6.rmeta --extern fancy_regex=/opt/rustwide/target/debug/deps/libfancy_regex-559d2797897a2c78.rmeta --extern font_kit=/opt/rustwide/target/debug/deps/libfont_kit-da289c01384bf569.rmeta --extern headless_chrome=/opt/rustwide/target/debug/deps/libheadless_chrome-5e9b982956840ed2.rmeta --extern indoc=/opt/rustwide/target/debug/deps/libindoc-fdc90974567b6012.so --extern lopdf=/opt/rustwide/target/debug/deps/liblopdf-21b1a3eb203217f0.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-0b1496746b98628c.rmeta --extern penguin=/opt/rustwide/target/debug/deps/libpenguin-12d6816baded1e8d.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-29aec7363a62f8aa.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-4b9c37d5139a3c3c.so --extern railwind=/opt/rustwide/target/debug/deps/librailwind-7c550a79c0537477.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-90271ea1117b6b58.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "23677df94bada2c13107d18d0631d6a9c39abeef5285753e6d00c420bda9229b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23677df94bada2c13107d18d0631d6a9c39abeef5285753e6d00c420bda9229b", kill_on_drop: false }`
[INFO] [stdout] 23677df94bada2c13107d18d0631d6a9c39abeef5285753e6d00c420bda9229b
