[INFO] cloning repository https://github.com/FuzzyLitchi/freak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FuzzyLitchi/freak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzzyLitchi%2Ffreak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzzyLitchi%2Ffreak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be0ea2ef09aacc04491f42851b8d75f42f04ebfe
[INFO] documenting FuzzyLitchi/freak 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%2FFuzzyLitchi%2Ffreak" "/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/FuzzyLitchi/freak 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/FuzzyLitchi/freak
[INFO] finished tweaking git repo https://github.com/FuzzyLitchi/freak
[INFO] tweaked toml for git repo https://github.com/FuzzyLitchi/freak written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FuzzyLitchi/freak 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 smol_str v0.1.23
[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] fbbd4a733ef731038a511e7212e4c357464ed49c6ca9a2fbfe5b15ee87ee0d24
[INFO] running `Command { std: "docker" "start" "-a" "fbbd4a733ef731038a511e7212e4c357464ed49c6ca9a2fbfe5b15ee87ee0d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbbd4a733ef731038a511e7212e4c357464ed49c6ca9a2fbfe5b15ee87ee0d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbd4a733ef731038a511e7212e4c357464ed49c6ca9a2fbfe5b15ee87ee0d24", kill_on_drop: false }`
[INFO] [stdout] fbbd4a733ef731038a511e7212e4c357464ed49c6ca9a2fbfe5b15ee87ee0d24
[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] 53df1556e12783f296bd9487e02136c997673b486662cd6fad1617499a41f5ef
[INFO] running `Command { std: "docker" "start" "-a" "53df1556e12783f296bd9487e02136c997673b486662cd6fad1617499a41f5ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking smol_str v0.1.23
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling clap_derive v4.0.18
[INFO] [stderr]     Checking clap v4.0.18
[INFO] [stderr]  Documenting freak v0.0.1 (/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(let_chains)]
[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 `freak`
[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 freak 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=96b5e8a461f8fe92 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-2e87a6ef8bbc4f29.rmeta --extern color_eyre=/opt/rustwide/target/debug/deps/libcolor_eyre-1c647c9f9cce7257.rmeta --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-2be1611040c92191.rmeta --extern smol_str=/opt/rustwide/target/debug/deps/libsmol_str-677f73c2aba74e07.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-ce9a1d6db214748e.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-52a7e731954720c5.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "53df1556e12783f296bd9487e02136c997673b486662cd6fad1617499a41f5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53df1556e12783f296bd9487e02136c997673b486662cd6fad1617499a41f5ef", kill_on_drop: false }`
[INFO] [stdout] 53df1556e12783f296bd9487e02136c997673b486662cd6fad1617499a41f5ef
