[INFO] fetching crate kommandozeilen_argumente 0.2.1...
[INFO] documenting kommandozeilen_argumente-0.2.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate kommandozeilen_argumente 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate kommandozeilen_argumente 0.2.1 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 crates.io crate kommandozeilen_argumente 0.2.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kommandozeilen_argumente 0.2.1
[INFO] tweaked toml for crates.io crate kommandozeilen_argumente 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate kommandozeilen_argumente 0.2.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded kommandozeilen_argumente_derive v0.2.0
[INFO] [stderr]   Downloaded nonempty v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 66ce91246859665ff5794ff33821e08e3e7f287c0bb15289f5e5c26b05cdd252
[INFO] running `Command { std: "docker" "start" "-a" "66ce91246859665ff5794ff33821e08e3e7f287c0bb15289f5e5c26b05cdd252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ce91246859665ff5794ff33821e08e3e7f287c0bb15289f5e5c26b05cdd252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ce91246859665ff5794ff33821e08e3e7f287c0bb15289f5e5c26b05cdd252", kill_on_drop: false }`
[INFO] [stdout] 66ce91246859665ff5794ff33821e08e3e7f287c0bb15289f5e5c26b05cdd252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f3c747fca19a7c5f47b61003603d2432c37750ed5575bbaf1d830f31fa354ffd
[INFO] running `Command { std: "docker" "start" "-a" "f3c747fca19a7c5f47b61003603d2432c37750ed5575bbaf1d830f31fa354ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking nonempty v0.8.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling kommandozeilen_argumente_derive v0.2.0
[INFO] [stderr]  Documenting kommandozeilen_argumente v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![cfg_attr(all(doc, not(doctest)), feature(doc_cfg))]
[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 `kommandozeilen_argumente`
[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 kommandozeilen_argumente src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="kommandozeilen_argumente_derive"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=512fc6f74837c981 -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-51b666b6b969a885.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-18854b0beff16929.rmeta --extern kommandozeilen_argumente_derive=/opt/rustwide/target/debug/deps/libkommandozeilen_argumente_derive-40dea7160dafa952.so --extern nonempty=/opt/rustwide/target/debug/deps/libnonempty-05f777c38b46587d.rmeta --extern unicase=/opt/rustwide/target/debug/deps/libunicase-8c000e66cab66bad.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-1797bd67c8d2a5f4.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-7054292de9dbad40.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-150751cbeb799d98.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f3c747fca19a7c5f47b61003603d2432c37750ed5575bbaf1d830f31fa354ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c747fca19a7c5f47b61003603d2432c37750ed5575bbaf1d830f31fa354ffd", kill_on_drop: false }`
[INFO] [stdout] f3c747fca19a7c5f47b61003603d2432c37750ed5575bbaf1d830f31fa354ffd
[INFO] documenting kommandozeilen_argumente-0.2.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate kommandozeilen_argumente 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate kommandozeilen_argumente 0.2.1 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 crates.io crate kommandozeilen_argumente 0.2.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kommandozeilen_argumente 0.2.1
[INFO] tweaked toml for crates.io crate kommandozeilen_argumente 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate kommandozeilen_argumente 0.2.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f7391a8564feb939d3f185fc32270052802242644411b5f8e7aa0d4162bf7ebb
[INFO] running `Command { std: "docker" "start" "-a" "f7391a8564feb939d3f185fc32270052802242644411b5f8e7aa0d4162bf7ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7391a8564feb939d3f185fc32270052802242644411b5f8e7aa0d4162bf7ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7391a8564feb939d3f185fc32270052802242644411b5f8e7aa0d4162bf7ebb", kill_on_drop: false }`
[INFO] [stdout] f7391a8564feb939d3f185fc32270052802242644411b5f8e7aa0d4162bf7ebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 128ae0982a0e8e30eef7b7da6e94f7ee2b61ab30048213e17197fc7e5fe9e8b3
[INFO] running `Command { std: "docker" "start" "-a" "128ae0982a0e8e30eef7b7da6e94f7ee2b61ab30048213e17197fc7e5fe9e8b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking nonempty v0.8.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling kommandozeilen_argumente_derive v0.2.0
[INFO] [stderr]  Documenting kommandozeilen_argumente v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![cfg_attr(all(doc, not(doctest)), feature(doc_cfg))]
[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 document `kommandozeilen_argumente`
[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 kommandozeilen_argumente src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="kommandozeilen_argumente_derive"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a27a8e5fe749a023 -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-2affce0120ac1f08.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3c2733e790d1659c.rmeta --extern kommandozeilen_argumente_derive=/opt/rustwide/target/debug/deps/libkommandozeilen_argumente_derive-7608cf59a4a44337.so --extern nonempty=/opt/rustwide/target/debug/deps/libnonempty-efb435df3bed35b8.rmeta --extern unicase=/opt/rustwide/target/debug/deps/libunicase-c5b995e43e89f50a.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-f4c3193fac6f04d3.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-1b1790c87c3c8f44.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-fe771e6020fc15e1.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "128ae0982a0e8e30eef7b7da6e94f7ee2b61ab30048213e17197fc7e5fe9e8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128ae0982a0e8e30eef7b7da6e94f7ee2b61ab30048213e17197fc7e5fe9e8b3", kill_on_drop: false }`
[INFO] [stdout] 128ae0982a0e8e30eef7b7da6e94f7ee2b61ab30048213e17197fc7e5fe9e8b3
