[INFO] cloning repository https://github.com/Baidicoot/geml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Baidicoot/geml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaidicoot%2Fgeml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaidicoot%2Fgeml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f176ca61dbc699397ba63b6ac8529253e59fc813
[INFO] documenting Baidicoot/geml against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaidicoot%2Fgeml" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Baidicoot/geml on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Baidicoot/geml
[INFO] finished tweaking git repo https://github.com/Baidicoot/geml
[INFO] tweaked toml for git repo https://github.com/Baidicoot/geml written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Baidicoot/geml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.categorys
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e830c75c2cc8017361fc441adc45cf264a20be192a9ef6d1c9aceae58e08574
[INFO] running `Command { std: "docker" "start" "-a" "6e830c75c2cc8017361fc441adc45cf264a20be192a9ef6d1c9aceae58e08574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e830c75c2cc8017361fc441adc45cf264a20be192a9ef6d1c9aceae58e08574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e830c75c2cc8017361fc441adc45cf264a20be192a9ef6d1c9aceae58e08574", kill_on_drop: false }`
[INFO] [stdout] 6e830c75c2cc8017361fc441adc45cf264a20be192a9ef6d1c9aceae58e08574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd811c303bc033d84a3d44db81b6b2185400ed555ae75ae11ed0975b4b9b60bb
[INFO] running `Command { std: "docker" "start" "-a" "dd811c303bc033d84a3d44db81b6b2185400ed555ae75ae11ed0975b4b9b60bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.categorys
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[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:104:80
[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:104:30
[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: 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 is never read: `pathbuf`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pathbuf: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Metadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 22 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 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: `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 -C metadata=85b7e93cf189fd64 -L dependency=/opt/rustwide/target/debug/deps --extern geml=/opt/rustwide/target/debug/deps/libgeml-b4a80ff91926b2a2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e4fd60dc49ccd72a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-84ac6cfd9bd2a884.rmeta --cap-lints=warn --crate-version 1.1.26` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dd811c303bc033d84a3d44db81b6b2185400ed555ae75ae11ed0975b4b9b60bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd811c303bc033d84a3d44db81b6b2185400ed555ae75ae11ed0975b4b9b60bb", kill_on_drop: false }`
[INFO] [stdout] dd811c303bc033d84a3d44db81b6b2185400ed555ae75ae11ed0975b4b9b60bb