[INFO] fetching crate simplexpr 0.1.0... [INFO] documenting simplexpr-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate simplexpr 0.1.0 into /workspace/builds/worker-35/source [INFO] validating manifest of crates.io crate simplexpr 0.1.0 on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-35/source/rust-toolchain [INFO] started tweaking crates.io crate simplexpr 0.1.0 [INFO] finished tweaking crates.io crate simplexpr 0.1.0 [INFO] tweaked toml for crates.io crate simplexpr 0.1.0 written to /workspace/builds/worker-35/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded levenshtein v1.0.5 [INFO] [stderr] Downloaded insta v1.14.0 [INFO] [stderr] Downloaded eww_shared_util v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 824282e345e142782ae98d75c29999b7b83e284c9c7a86652b71cd1a2c5e158c [INFO] running `Command { std: "docker" "start" "-a" "824282e345e142782ae98d75c29999b7b83e284c9c7a86652b71cd1a2c5e158c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "824282e345e142782ae98d75c29999b7b83e284c9c7a86652b71cd1a2c5e158c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "824282e345e142782ae98d75c29999b7b83e284c9c7a86652b71cd1a2c5e158c", kill_on_drop: false }` [INFO] [stdout] 824282e345e142782ae98d75c29999b7b83e284c9c7a86652b71cd1a2c5e158c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 141d300067d1f676b71d71d4944c97de0c06b925912a3b59bfcc8780363789ef [INFO] running `Command { std: "docker" "start" "-a" "141d300067d1f676b71d71d4944c97de0c06b925912a3b59bfcc8780363789ef", kill_on_drop: false }` [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] Compiling libc v0.2.126 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling ref-cast v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking lalrpop-util v0.19.8 [INFO] [stderr] Checking levenshtein v1.0.5 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling petgraph v0.6.2 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Compiling string_cache v0.8.4 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling lalrpop v0.19.8 [INFO] [stderr] Compiling ref-cast-impl v1.0.7 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Checking strum v0.21.0 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking eww_shared_util v0.1.0 [INFO] [stderr] Compiling simplexpr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting simplexpr 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:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_patterns)] [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:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(pattern)] [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:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(box_syntax)] [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:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(try_blocks)] [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:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(unwrap_infallible)] [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:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(never_type)] [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:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(once_cell)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 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 document `simplexpr` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name simplexpr src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8a55fac5e2c9942b -L dependency=/opt/rustwide/target/debug/deps --extern eww_shared_util=/opt/rustwide/target/debug/deps/libeww_shared_util-01a78d1800a4c6dc.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-587531149a155a8c.rmeta --extern levenshtein=/opt/rustwide/target/debug/deps/liblevenshtein-df3db48150f0616e.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f09fca34c233de76.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-1c5e9376ee8338dc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b3b87f46a79345b8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e8cd05653383fb34.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-0462f01e04e83f20.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-877aa845b95e0cf4.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "141d300067d1f676b71d71d4944c97de0c06b925912a3b59bfcc8780363789ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "141d300067d1f676b71d71d4944c97de0c06b925912a3b59bfcc8780363789ef", kill_on_drop: false }` [INFO] [stdout] 141d300067d1f676b71d71d4944c97de0c06b925912a3b59bfcc8780363789ef