[INFO] cloning repository https://github.com/MatthiasKainer/backstage-template-creator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatthiasKainer/backstage-template-creator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthiasKainer%2Fbackstage-template-creator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthiasKainer%2Fbackstage-template-creator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42d2a869c2062f396d452a8a2c4435174b2cf7e1
[INFO] documenting MatthiasKainer/backstage-template-creator against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthiasKainer%2Fbackstage-template-creator" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatthiasKainer/backstage-template-creator 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 git repo https://github.com/MatthiasKainer/backstage-template-creator
[INFO] finished tweaking git repo https://github.com/MatthiasKainer/backstage-template-creator
[INFO] tweaked toml for git repo https://github.com/MatthiasKainer/backstage-template-creator written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MatthiasKainer/backstage-template-creator 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 const_format_proc_macros v0.2.22
[INFO] [stderr]   Downloaded const_format v0.2.26
[INFO] [stderr]   Downloaded clap v3.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 042003f07ccd0ac4998bda1c49059043af6c24657ab145ee2a2f4251817772a0
[INFO] running `Command { std: "docker" "start" "-a" "042003f07ccd0ac4998bda1c49059043af6c24657ab145ee2a2f4251817772a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "042003f07ccd0ac4998bda1c49059043af6c24657ab145ee2a2f4251817772a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042003f07ccd0ac4998bda1c49059043af6c24657ab145ee2a2f4251817772a0", kill_on_drop: false }`
[INFO] [stdout] 042003f07ccd0ac4998bda1c49059043af6c24657ab145ee2a2f4251817772a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 748b756f2e4e490323992b92075a251921c89bfd36907325bf3e777aac642514
[INFO] running `Command { std: "docker" "start" "-a" "748b756f2e4e490323992b92075a251921c89bfd36907325bf3e777aac642514", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking brownstone v3.0.0
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.22
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking clap v3.2.11
[INFO] [stderr]     Checking pori v0.0.0
[INFO] [stderr]     Checking nom-supreme v0.8.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking const_format v0.2.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking wax v0.5.0
[INFO] [stderr]  Documenting backstage-template-creator v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_advance_by)]
[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 `backstage-template-creator`
[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 backstage_template_creator 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=ce31703ceeb612fe -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-eb329ca84e379dab.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-6c78618b45c6607b.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-85023420334b2222.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-db3182d8979d3809.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-5e19c5a4785aba60.rmeta --extern wax=/opt/rustwide/target/debug/deps/libwax-d8de5964e627c05b.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "748b756f2e4e490323992b92075a251921c89bfd36907325bf3e777aac642514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748b756f2e4e490323992b92075a251921c89bfd36907325bf3e777aac642514", kill_on_drop: false }`
[INFO] [stdout] 748b756f2e4e490323992b92075a251921c89bfd36907325bf3e777aac642514
[INFO] documenting MatthiasKainer/backstage-template-creator against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthiasKainer%2Fbackstage-template-creator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatthiasKainer/backstage-template-creator 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 git repo https://github.com/MatthiasKainer/backstage-template-creator
[INFO] finished tweaking git repo https://github.com/MatthiasKainer/backstage-template-creator
[INFO] tweaked toml for git repo https://github.com/MatthiasKainer/backstage-template-creator written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MatthiasKainer/backstage-template-creator 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 996f36afd43ab2c24dc7de5102875ebfaa8a95ab351079de3218ca73b8f4cb4d
[INFO] running `Command { std: "docker" "start" "-a" "996f36afd43ab2c24dc7de5102875ebfaa8a95ab351079de3218ca73b8f4cb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "996f36afd43ab2c24dc7de5102875ebfaa8a95ab351079de3218ca73b8f4cb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996f36afd43ab2c24dc7de5102875ebfaa8a95ab351079de3218ca73b8f4cb4d", kill_on_drop: false }`
[INFO] [stdout] 996f36afd43ab2c24dc7de5102875ebfaa8a95ab351079de3218ca73b8f4cb4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bcbaec154e03847411e23265dbbce65bf29fd1fa90eb63168853142f10ad42f5
[INFO] running `Command { std: "docker" "start" "-a" "bcbaec154e03847411e23265dbbce65bf29fd1fa90eb63168853142f10ad42f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking brownstone v3.0.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.22
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking pori v0.0.0
[INFO] [stderr]     Checking nom-supreme v0.8.0
[INFO] [stderr]     Checking clap v3.2.11
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking const_format v0.2.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking wax v0.5.0
[INFO] [stderr]  Documenting backstage-template-creator v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_advance_by)]
[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 `backstage-template-creator`
[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 backstage_template_creator 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=7df7e46eba298208 -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-d5ff67b89c73a9ba.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-62bd1a228c64f19f.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-dd081785c809e2ee.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-50d361c8d69d49a5.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-338bba57d1ae66a6.rmeta --extern wax=/opt/rustwide/target/debug/deps/libwax-e0b74ec12c10cc66.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bcbaec154e03847411e23265dbbce65bf29fd1fa90eb63168853142f10ad42f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbaec154e03847411e23265dbbce65bf29fd1fa90eb63168853142f10ad42f5", kill_on_drop: false }`
[INFO] [stdout] bcbaec154e03847411e23265dbbce65bf29fd1fa90eb63168853142f10ad42f5
