[INFO] fetching crate panduck-html 0.1.1...
[INFO] documenting panduck-html-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate panduck-html 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate panduck-html 0.1.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panduck-html 0.1.1
[INFO] finished tweaking crates.io crate panduck-html 0.1.1
[INFO] tweaked toml for crates.io crate panduck-html 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 896fafeed7cfcb0240f6c15d9e2954aea89f465120ed242f66d64993775cd84a
[INFO] running `Command { std: "docker" "start" "-a" "896fafeed7cfcb0240f6c15d9e2954aea89f465120ed242f66d64993775cd84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "896fafeed7cfcb0240f6c15d9e2954aea89f465120ed242f66d64993775cd84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896fafeed7cfcb0240f6c15d9e2954aea89f465120ed242f66d64993775cd84a", kill_on_drop: false }`
[INFO] [stdout] 896fafeed7cfcb0240f6c15d9e2954aea89f465120ed242f66d64993775cd84a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e747f7a17ee912f65e389d61edd9c437c4b60bbb01f876bdebd65abb2b88a0
[INFO] running `Command { std: "docker" "start" "-a" "09e747f7a17ee912f65e389d61edd9c437c4b60bbb01f876bdebd65abb2b88a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling rust_decimal v1.23.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling katex v0.4.4
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]     Checking css-color-parser v0.1.2
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking slugify v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking pretty v0.11.3
[INFO] [stderr]    Compiling onig_sys v69.7.1
[INFO] [stderr]    Compiling ducc-sys v0.1.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking emojic v0.4.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]     Checking ducc v0.1.5
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]     Checking text-utils v0.4.3
[INFO] [stderr]     Checking onig v6.3.1
[INFO] [stderr]    Compiling darling v0.14.1
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking plist v1.3.1
[INFO] [stderr]     Checking notedown_ast v0.14.14
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/notedown_ast-0.14.14/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/notedown_ast-0.14.14/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(map_first_last)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/notedown_ast-0.14.14/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(arbitrary_enum_discriminant)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/notedown_ast-0.14.14/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `notedown_ast` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "09e747f7a17ee912f65e389d61edd9c437c4b60bbb01f876bdebd65abb2b88a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e747f7a17ee912f65e389d61edd9c437c4b60bbb01f876bdebd65abb2b88a0", kill_on_drop: false }`
[INFO] [stdout] 09e747f7a17ee912f65e389d61edd9c437c4b60bbb01f876bdebd65abb2b88a0