[INFO] fetching crate geml 1.1.26...
[INFO] documenting geml-1.1.26 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate geml 1.1.26 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate geml 1.1.26 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 crates.io crate geml 1.1.26
[INFO] finished tweaking crates.io crate geml 1.1.26
[INFO] tweaked toml for crates.io crate geml 1.1.26 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e26c88242b2a2e0b5049955bd90eb856199d1028a4fb0b8d97888a16140cde36
[INFO] running `Command { std: "docker" "start" "-a" "e26c88242b2a2e0b5049955bd90eb856199d1028a4fb0b8d97888a16140cde36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e26c88242b2a2e0b5049955bd90eb856199d1028a4fb0b8d97888a16140cde36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26c88242b2a2e0b5049955bd90eb856199d1028a4fb0b8d97888a16140cde36", kill_on_drop: false }`
[INFO] [stdout] e26c88242b2a2e0b5049955bd90eb856199d1028a4fb0b8d97888a16140cde36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ae113e46fc3f78694ca4ecdb8e0fe2784f757b7f9494f4c915d9cfb9d42a280e
[INFO] running `Command { std: "docker" "start" "-a" "ae113e46fc3f78694ca4ecdb8e0fe2784f757b7f9494f4c915d9cfb9d42a280e", kill_on_drop: false }`
[INFO] [stderr]     Checking geml v1.1.26 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting geml v1.1.26 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if cap[1].len()==1 {"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if cap[1].len()==1 {"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:80
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                                                                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if cap[1].len()==1 {"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:80
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                                                                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if cap[1].len()==1 {"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cap`
[INFO] [stdout]    --> src/markdown/mod.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn rule_replacer(cap: &Captures) -> String {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pathbuf` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Metadata {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pathbuf: PathBuf,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metadata` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[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 `geml`
[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=2018 --crate-type bin --crate-name main src/bin/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=55b83aaa30e00149 -L dependency=/opt/rustwide/target/debug/deps --extern geml=/opt/rustwide/target/debug/deps/libgeml-d3f89e6bc4faf4f4.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-900704033b235124.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c4eddf7df4eb8638.rmeta --cap-lints=warn --crate-version 1.1.26` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ae113e46fc3f78694ca4ecdb8e0fe2784f757b7f9494f4c915d9cfb9d42a280e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae113e46fc3f78694ca4ecdb8e0fe2784f757b7f9494f4c915d9cfb9d42a280e", kill_on_drop: false }`
[INFO] [stdout] ae113e46fc3f78694ca4ecdb8e0fe2784f757b7f9494f4c915d9cfb9d42a280e
[INFO] documenting geml-1.1.26 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate geml 1.1.26 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate geml 1.1.26 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 crates.io crate geml 1.1.26
[INFO] finished tweaking crates.io crate geml 1.1.26
[INFO] tweaked toml for crates.io crate geml 1.1.26 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 10b3dee438571a5819c4ac7f6eb64906c9ab76d56b42cdf90255781fae066ac9
[INFO] running `Command { std: "docker" "start" "-a" "10b3dee438571a5819c4ac7f6eb64906c9ab76d56b42cdf90255781fae066ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b3dee438571a5819c4ac7f6eb64906c9ab76d56b42cdf90255781fae066ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b3dee438571a5819c4ac7f6eb64906c9ab76d56b42cdf90255781fae066ac9", kill_on_drop: false }`
[INFO] [stdout] 10b3dee438571a5819c4ac7f6eb64906c9ab76d56b42cdf90255781fae066ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] adff922b1fb5f646cf9a692c43059627c6f18a3aaa73ef9e178d3c74d7e37143
[INFO] running `Command { std: "docker" "start" "-a" "adff922b1fb5f646cf9a692c43059627c6f18a3aaa73ef9e178d3c74d7e37143", kill_on_drop: false }`
[INFO] [stderr]  Documenting geml v1.1.26 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking geml v1.1.26 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if cap[1].len()==1 {"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if cap[1].len()==1 {"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:80
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                                                                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if cap[1].len()==1 {"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/markdown/mod.rs:104:80
[INFO] [stdout]     |
[INFO] [stdout] 104 |     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout]     |                                                                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 104 -     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if{cap[1].len()==1}{"em"}else{"strong"})
[INFO] [stdout] 104 +     format!("<{}>{}</{}>", if{cap[1].len()==1}{"em"}else{"strong"}, &cap[2], if cap[1].len()==1 {"em"}else{"strong"})
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cap`
[INFO] [stdout]    --> src/markdown/mod.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn rule_replacer(cap: &Captures) -> String {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pathbuf` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Metadata {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pathbuf: PathBuf,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metadata` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/bin/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[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 `geml`
[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=2018 --crate-type bin --crate-name main src/bin/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=740de9cc12e8369e -L dependency=/opt/rustwide/target/debug/deps --extern geml=/opt/rustwide/target/debug/deps/libgeml-b83124d1608bf47f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cc91e7c9c894213a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9cbcf9f34ed2856d.rmeta --cap-lints=warn --crate-version 1.1.26` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "adff922b1fb5f646cf9a692c43059627c6f18a3aaa73ef9e178d3c74d7e37143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adff922b1fb5f646cf9a692c43059627c6f18a3aaa73ef9e178d3c74d7e37143", kill_on_drop: false }`
[INFO] [stdout] adff922b1fb5f646cf9a692c43059627c6f18a3aaa73ef9e178d3c74d7e37143
