[INFO] fetching crate ulrish 0.1.0...
[INFO] documenting ulrish-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ulrish 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ulrish 0.1.0 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 ulrish 0.1.0
[INFO] finished tweaking crates.io crate ulrish 0.1.0
[INFO] tweaked toml for crates.io crate ulrish 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ulrish 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8f0ba91b4a6a178be45a1fc69c097630c5c7691a188a09025423d18747caf5ed
[INFO] running `Command { std: "docker" "start" "-a" "8f0ba91b4a6a178be45a1fc69c097630c5c7691a188a09025423d18747caf5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0ba91b4a6a178be45a1fc69c097630c5c7691a188a09025423d18747caf5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0ba91b4a6a178be45a1fc69c097630c5c7691a188a09025423d18747caf5ed", kill_on_drop: false }`
[INFO] [stdout] 8f0ba91b4a6a178be45a1fc69c097630c5c7691a188a09025423d18747caf5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7d2288139035389e176bfbc5f8f64029b72dc912ede350ed097ae8c997736d83
[INFO] running `Command { std: "docker" "start" "-a" "7d2288139035389e176bfbc5f8f64029b72dc912ede350ed097ae8c997736d83", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]  Documenting ulrish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[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 `ulrish`
[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 bin --crate-name ulrish src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=015c43ab11502743 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-cb0c1c941370a6e4.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-dfa453272a70e231.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-733bac6bdfbb968b.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-558411071d6bb15e.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-d443649bc6651173.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-cec28c5aa06bb0a6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7d2288139035389e176bfbc5f8f64029b72dc912ede350ed097ae8c997736d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2288139035389e176bfbc5f8f64029b72dc912ede350ed097ae8c997736d83", kill_on_drop: false }`
[INFO] [stdout] 7d2288139035389e176bfbc5f8f64029b72dc912ede350ed097ae8c997736d83
[INFO] documenting ulrish-0.1.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate ulrish 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ulrish 0.1.0 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 ulrish 0.1.0
[INFO] finished tweaking crates.io crate ulrish 0.1.0
[INFO] tweaked toml for crates.io crate ulrish 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ulrish 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 632571a3de2b8ec2f986526b10faa9cb08a3ebfba8afa81a69ac7a37709514e6
[INFO] running `Command { std: "docker" "start" "-a" "632571a3de2b8ec2f986526b10faa9cb08a3ebfba8afa81a69ac7a37709514e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632571a3de2b8ec2f986526b10faa9cb08a3ebfba8afa81a69ac7a37709514e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632571a3de2b8ec2f986526b10faa9cb08a3ebfba8afa81a69ac7a37709514e6", kill_on_drop: false }`
[INFO] [stdout] 632571a3de2b8ec2f986526b10faa9cb08a3ebfba8afa81a69ac7a37709514e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4ac0a204b14fcc6d852752a4f3745217b606f009b87f6f665de476b19a1d63fb
[INFO] running `Command { std: "docker" "start" "-a" "4ac0a204b14fcc6d852752a4f3745217b606f009b87f6f665de476b19a1d63fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]  Documenting ulrish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[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 `ulrish`
[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 bin --crate-name ulrish src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=ca28425b7904653b -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-218350ebaaee9f6e.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-6ac6cff4974635bc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a264df6981232a3d.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-a7433dea1f2cc35a.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-aa0682e419466d63.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-80b0ebe4d502aada.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4ac0a204b14fcc6d852752a4f3745217b606f009b87f6f665de476b19a1d63fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac0a204b14fcc6d852752a4f3745217b606f009b87f6f665de476b19a1d63fb", kill_on_drop: false }`
[INFO] [stdout] 4ac0a204b14fcc6d852752a4f3745217b606f009b87f6f665de476b19a1d63fb
