[INFO] cloning repository https://github.com/Coffee-Maker/Landmark-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Coffee-Maker/Landmark-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffee-Maker%2FLandmark-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffee-Maker%2FLandmark-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30388b265f2671f91e35d7c2dc5e0bb4d5a38fa4
[INFO] documenting Coffee-Maker/Landmark-Rust 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%2FCoffee-Maker%2FLandmark-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Coffee-Maker/Landmark-Rust 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/Coffee-Maker/Landmark-Rust
[INFO] finished tweaking git repo https://github.com/Coffee-Maker/Landmark-Rust
[INFO] tweaked toml for git repo https://github.com/Coffee-Maker/Landmark-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Coffee-Maker/Landmark-Rust 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 toml_edit v0.19.7
[INFO] [stderr]   Downloaded winnow v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4d0b1c80276d9047223c79bae35f3c8e10486671317d4cfe209b564655dab350
[INFO] running `Command { std: "docker" "start" "-a" "4d0b1c80276d9047223c79bae35f3c8e10486671317d4cfe209b564655dab350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d0b1c80276d9047223c79bae35f3c8e10486671317d4cfe209b564655dab350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0b1c80276d9047223c79bae35f3c8e10486671317d4cfe209b564655dab350", kill_on_drop: false }`
[INFO] [stdout] 4d0b1c80276d9047223c79bae35f3c8e10486671317d4cfe209b564655dab350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2685e54446824d80dafcc29efcd83bc9f0599a79bee9f9c93752eb1fba1e8107
[INFO] running `Command { std: "docker" "start" "-a" "2685e54446824d80dafcc29efcd83bc9f0599a79bee9f9c93752eb1fba1e8107", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking winnow v0.3.6
[INFO] [stderr]    Compiling serde-rename-rule v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.27
[INFO] [stderr]    Compiling async-recursion v1.0.2
[INFO] [stderr]    Compiling serde-attributes v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling serde-enum-str v0.3.2
[INFO] [stderr]     Checking serde_spanned v0.6.1
[INFO] [stderr]     Checking toml_datetime v0.6.1
[INFO] [stderr]     Checking toml_edit v0.19.7
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking toml v0.7.3
[INFO] [stderr]  Documenting landmark_rust 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(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `landmark_rust`
[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 landmark_rust 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=5a15ff8734638a54 -L dependency=/opt/rustwide/target/debug/deps --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-0f09160ed0d5e3a1.so --extern color_eyre=/opt/rustwide/target/debug/deps/libcolor_eyre-e139bc474e1e57da.rmeta --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-8089f9bbeb7ece34.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-e6e1ba7b66cfa4a6.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-ab74554587f30458.rmeta --extern owo_colors=/opt/rustwide/target/debug/deps/libowo_colors-95b16e1fd0406f26.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b6e899ed642274c8.rmeta --extern serde_enum_str=/opt/rustwide/target/debug/deps/libserde_enum_str-807e38317947b716.so --extern slotmap=/opt/rustwide/target/debug/deps/libslotmap-70b7983457fcfda2.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-a7d69a2dd6c57ad0.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-db2513325f1fa611.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-282dda9a5eb21b1f.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-468af25e22a67877.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2685e54446824d80dafcc29efcd83bc9f0599a79bee9f9c93752eb1fba1e8107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2685e54446824d80dafcc29efcd83bc9f0599a79bee9f9c93752eb1fba1e8107", kill_on_drop: false }`
[INFO] [stdout] 2685e54446824d80dafcc29efcd83bc9f0599a79bee9f9c93752eb1fba1e8107
[INFO] documenting Coffee-Maker/Landmark-Rust 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%2FCoffee-Maker%2FLandmark-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Coffee-Maker/Landmark-Rust 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/Coffee-Maker/Landmark-Rust
[INFO] finished tweaking git repo https://github.com/Coffee-Maker/Landmark-Rust
[INFO] tweaked toml for git repo https://github.com/Coffee-Maker/Landmark-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Coffee-Maker/Landmark-Rust 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6bbdbd2c1929c1fabb78e9e699ebed0105d6e883a08bfd2315054c1f966a1afc
[INFO] running `Command { std: "docker" "start" "-a" "6bbdbd2c1929c1fabb78e9e699ebed0105d6e883a08bfd2315054c1f966a1afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbdbd2c1929c1fabb78e9e699ebed0105d6e883a08bfd2315054c1f966a1afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbdbd2c1929c1fabb78e9e699ebed0105d6e883a08bfd2315054c1f966a1afc", kill_on_drop: false }`
[INFO] [stdout] 6bbdbd2c1929c1fabb78e9e699ebed0105d6e883a08bfd2315054c1f966a1afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 917464417b14e4c50c0648d56aa4f8abceeb97b98e68e3769c7256a7034b7a87
[INFO] running `Command { std: "docker" "start" "-a" "917464417b14e4c50c0648d56aa4f8abceeb97b98e68e3769c7256a7034b7a87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling serde-rename-rule v0.2.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking winnow v0.3.6
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling futures-macro v0.3.27
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling async-recursion v1.0.2
[INFO] [stderr]    Compiling serde-attributes v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling serde-enum-str v0.3.2
[INFO] [stderr]     Checking toml_datetime v0.6.1
[INFO] [stderr]     Checking serde_spanned v0.6.1
[INFO] [stderr]     Checking toml_edit v0.19.7
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking toml v0.7.3
[INFO] [stderr]  Documenting landmark_rust 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(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `landmark_rust`
[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 landmark_rust 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=b7466ba6f2a2bc6c -L dependency=/opt/rustwide/target/debug/deps --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-d35525e73b72d66e.so --extern color_eyre=/opt/rustwide/target/debug/deps/libcolor_eyre-d3e41807b059e703.rmeta --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-85eae8ee2a8ab815.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-387e98032d5d27d6.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-84ea33e56b38763e.rmeta --extern owo_colors=/opt/rustwide/target/debug/deps/libowo_colors-3cdccbd0e7c9187b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dc5ea10186d7fc6f.rmeta --extern serde_enum_str=/opt/rustwide/target/debug/deps/libserde_enum_str-6922479664c835b8.so --extern slotmap=/opt/rustwide/target/debug/deps/libslotmap-ed92e7b4ceb6a154.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b8894d1693760154.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-f172785202ee26d2.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-803518e7b38d695a.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-338bba57d1ae66a6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "917464417b14e4c50c0648d56aa4f8abceeb97b98e68e3769c7256a7034b7a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917464417b14e4c50c0648d56aa4f8abceeb97b98e68e3769c7256a7034b7a87", kill_on_drop: false }`
[INFO] [stdout] 917464417b14e4c50c0648d56aa4f8abceeb97b98e68e3769c7256a7034b7a87
