[INFO] fetching crate sewup-derive 0.1.14...
[INFO] documenting sewup-derive-0.1.14 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate sewup-derive 0.1.14 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate sewup-derive 0.1.14 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 sewup-derive 0.1.14
[INFO] finished tweaking crates.io crate sewup-derive 0.1.14
[INFO] tweaked toml for crates.io crate sewup-derive 0.1.14 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 fancy-regex v0.7.1
[INFO] [stderr]   Downloaded serde-value v0.7.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c77482ef1505f9d50bc1c0cc9640393c41a2e3ec94be539c813e2652c0878d6
[INFO] running `Command { std: "docker" "start" "-a" "1c77482ef1505f9d50bc1c0cc9640393c41a2e3ec94be539c813e2652c0878d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c77482ef1505f9d50bc1c0cc9640393c41a2e3ec94be539c813e2652c0878d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c77482ef1505f9d50bc1c0cc9640393c41a2e3ec94be539c813e2652c0878d6", kill_on_drop: false }`
[INFO] [stdout] 1c77482ef1505f9d50bc1c0cc9640393c41a2e3ec94be539c813e2652c0878d6
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 390ecd99771ef3308af2b3711d7f7115b04804b8cc065d39f6c0736f0b671131
[INFO] running `Command { std: "docker" "start" "-a" "390ecd99771ef3308af2b3711d7f7115b04804b8cc065d39f6c0736f0b671131", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking proc-macro2 v1.0.56
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking convert_case v0.5.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking quote v1.0.26
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]  Documenting sewup-derive v0.1.14 (/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(box_into_inner)]
[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] [stderr] error: could not document `sewup-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type proc-macro --crate-name sewup_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=22444af6ef6d7996 -L dependency=/opt/rustwide/target/debug/deps --extern convert_case=/opt/rustwide/target/debug/deps/libconvert_case-c50bfab13851b16c.rmeta --extern fancy_regex=/opt/rustwide/target/debug/deps/libfancy_regex-0bf2225312b1ca1b.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-778365875cd979e7.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-b379911497bfa74c.so --extern proc_macro_error=/opt/rustwide/target/debug/deps/libproc_macro_error-e0fb8b5c3f69ebf3.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4428f0723261f03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-25938768891e3290.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0ec6b8dc00be09c9.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-1e3f81b92e3ccf1e.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b9192df8d30ec766.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-72effca52e7ddeb7.rmeta --extern tiny_keccak=/opt/rustwide/target/debug/deps/libtiny_keccak-4f0b0520abd181d1.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.14` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "390ecd99771ef3308af2b3711d7f7115b04804b8cc065d39f6c0736f0b671131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390ecd99771ef3308af2b3711d7f7115b04804b8cc065d39f6c0736f0b671131", kill_on_drop: false }`
[INFO] [stdout] 390ecd99771ef3308af2b3711d7f7115b04804b8cc065d39f6c0736f0b671131
