[INFO] cloning repository https://github.com/yuk1ty/toy-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuk1ty/toy-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Ftoy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Ftoy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6efa5f0098a5b3ef456a8e2aa24ebdbc89c04b8e
[INFO] documenting yuk1ty/toy-lang 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%2Fyuk1ty%2Ftoy-lang" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/toy-lang 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] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yuk1ty/toy-lang
[INFO] finished tweaking git repo https://github.com/yuk1ty/toy-lang
[INFO] tweaked toml for git repo https://github.com/yuk1ty/toy-lang written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/yuk1ty/toy-lang 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]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 7a73841df1734da4fcf72db704f67df3f63934bf77036badcd666afedeed4d33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a73841df1734da4fcf72db704f67df3f63934bf77036badcd666afedeed4d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a73841df1734da4fcf72db704f67df3f63934bf77036badcd666afedeed4d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a73841df1734da4fcf72db704f67df3f63934bf77036badcd666afedeed4d33", kill_on_drop: false }`
[INFO] [stdout] 7a73841df1734da4fcf72db704f67df3f63934bf77036badcd666afedeed4d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9a7222fa41bb437b7526dbef377518c5f09b521226d3c86817e5e1fd2497188e
[INFO] running `Command { std: "docker" "start" "-a" "9a7222fa41bb437b7526dbef377518c5f09b521226d3c86817e5e1fd2497188e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]  Documenting toy-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toy-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `for`
[INFO] [stdout]    --> src/parser.rs:288:4
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn r#for<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `in`
[INFO] [stdout]    --> src/parser.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn r#in<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to`
[INFO] [stdout]    --> src/parser.rs:312:4
[INFO] [stdout]     |
[INFO] [stdout] 312 | fn r#to<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.49s
[INFO] running `Command { std: "docker" "inspect" "9a7222fa41bb437b7526dbef377518c5f09b521226d3c86817e5e1fd2497188e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7222fa41bb437b7526dbef377518c5f09b521226d3c86817e5e1fd2497188e", kill_on_drop: false }`
[INFO] [stdout] 9a7222fa41bb437b7526dbef377518c5f09b521226d3c86817e5e1fd2497188e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 596a536be9899c46870ce2fd4ee637404b58fe53bb1a69b4ad7e6ac284118740
[INFO] running `Command { std: "docker" "start" "-a" "596a536be9899c46870ce2fd4ee637404b58fe53bb1a69b4ad7e6ac284118740", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]  Documenting toy-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "596a536be9899c46870ce2fd4ee637404b58fe53bb1a69b4ad7e6ac284118740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596a536be9899c46870ce2fd4ee637404b58fe53bb1a69b4ad7e6ac284118740", kill_on_drop: false }`
[INFO] [stdout] 596a536be9899c46870ce2fd4ee637404b58fe53bb1a69b4ad7e6ac284118740