[INFO] cloning repository https://github.com/Krayfighter/lowbuild
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Krayfighter/lowbuild" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrayfighter%2Flowbuild", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrayfighter%2Flowbuild'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 054fb9d9c149eeef6bff62d754b5b0c2b0eb6035
[INFO] documenting Krayfighter/lowbuild against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrayfighter%2Flowbuild" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Krayfighter/lowbuild on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Krayfighter/lowbuild
[INFO] finished tweaking git repo https://github.com/Krayfighter/lowbuild
[INFO] tweaked toml for git repo https://github.com/Krayfighter/lowbuild written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Krayfighter/lowbuild 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_builder v4.4.15
[INFO] [stderr]   Downloaded clap v4.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4ab1483ed78aa96bc22ffee7f51452b19bbd864a243a6dd7f32bd572bad267
[INFO] running `Command { std: "docker" "start" "-a" "6c4ab1483ed78aa96bc22ffee7f51452b19bbd864a243a6dd7f32bd572bad267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4ab1483ed78aa96bc22ffee7f51452b19bbd864a243a6dd7f32bd572bad267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4ab1483ed78aa96bc22ffee7f51452b19bbd864a243a6dd7f32bd572bad267", kill_on_drop: false }`
[INFO] [stdout] 6c4ab1483ed78aa96bc22ffee7f51452b19bbd864a243a6dd7f32bd572bad267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d7cd7926495a2910768513409e4f829b075d3fce7eab537d01985d20199e28
[INFO] running `Command { std: "docker" "start" "-a" "d0d7cd7926495a2910768513409e4f829b075d3fce7eab537d01985d20199e28", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking winnow v0.5.34
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking clap_builder v4.4.15
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.15
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]  Documenting lowbuild 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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(fs_try_exists)]
[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 `lowbuild`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name lowbuild 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=bab913c26eafa143 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d4cbb8ebf8c675b1.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-0f4d4324d1959a68.rmeta --extern ron=/opt/rustwide/target/debug/deps/libron-9b4b246322fba3a9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f4e96e7de0caef0a.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-5671cbe5377c675f.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-992d1767b7c07ec7.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d0d7cd7926495a2910768513409e4f829b075d3fce7eab537d01985d20199e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d7cd7926495a2910768513409e4f829b075d3fce7eab537d01985d20199e28", kill_on_drop: false }`
[INFO] [stdout] d0d7cd7926495a2910768513409e4f829b075d3fce7eab537d01985d20199e28
[INFO] documenting Krayfighter/lowbuild against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrayfighter%2Flowbuild" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Krayfighter/lowbuild on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Krayfighter/lowbuild
[INFO] finished tweaking git repo https://github.com/Krayfighter/lowbuild
[INFO] tweaked toml for git repo https://github.com/Krayfighter/lowbuild written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Krayfighter/lowbuild 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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3527bbeed5887ae4e6b512a746266a532fcb8372922fca25410b300ad45d717c
[INFO] running `Command { std: "docker" "start" "-a" "3527bbeed5887ae4e6b512a746266a532fcb8372922fca25410b300ad45d717c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3527bbeed5887ae4e6b512a746266a532fcb8372922fca25410b300ad45d717c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3527bbeed5887ae4e6b512a746266a532fcb8372922fca25410b300ad45d717c", kill_on_drop: false }`
[INFO] [stdout] 3527bbeed5887ae4e6b512a746266a532fcb8372922fca25410b300ad45d717c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4421f4b493dc209ed0bac30ce193a46b6c28685e4e391dac02012856fb9e2a9e
[INFO] running `Command { std: "docker" "start" "-a" "4421f4b493dc209ed0bac30ce193a46b6c28685e4e391dac02012856fb9e2a9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking winnow v0.5.34
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking clap_builder v4.4.15
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.15
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]  Documenting lowbuild 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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(fs_try_exists)]
[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 `lowbuild`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name lowbuild 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=d15ec5f6be40745f -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a3466ae9a2f9d580.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-fb6d2890f26fa04c.rmeta --extern ron=/opt/rustwide/target/debug/deps/libron-7d8690c2fb9dcbe8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-578102e8cd8e01f5.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-30d1e3d4de473ff4.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-bf804f67571a5a99.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4421f4b493dc209ed0bac30ce193a46b6c28685e4e391dac02012856fb9e2a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4421f4b493dc209ed0bac30ce193a46b6c28685e4e391dac02012856fb9e2a9e", kill_on_drop: false }`
[INFO] [stdout] 4421f4b493dc209ed0bac30ce193a46b6c28685e4e391dac02012856fb9e2a9e
