[INFO] cloning repository https://github.com/aki237/rl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aki237/rl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki237%2Frl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki237%2Frl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abb942b3547b2bfb883044fc6fb786dff07ed56e
[INFO] documenting aki237/rl 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%2Faki237%2Frl" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aki237/rl 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/aki237/rl
[INFO] finished tweaking git repo https://github.com/aki237/rl
[INFO] tweaked toml for git repo https://github.com/aki237/rl written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/aki237/rl 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 07b52df5ed62f3eda208b2eb9b2bb1d6df8dda4871fc5c836cbc139f16859ac1
[INFO] running `Command { std: "docker" "start" "-a" "07b52df5ed62f3eda208b2eb9b2bb1d6df8dda4871fc5c836cbc139f16859ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b52df5ed62f3eda208b2eb9b2bb1d6df8dda4871fc5c836cbc139f16859ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b52df5ed62f3eda208b2eb9b2bb1d6df8dda4871fc5c836cbc139f16859ac1", kill_on_drop: false }`
[INFO] [stdout] 07b52df5ed62f3eda208b2eb9b2bb1d6df8dda4871fc5c836cbc139f16859ac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] [stdout] 5da3c71d51164b5d25fcf86d2a9fbe236f68f44cd3327f38b72532e74cd74cd2
[INFO] running `Command { std: "docker" "start" "-a" "5da3c71d51164b5d25fcf86d2a9fbe236f68f44cd3327f38b72532e74cd74cd2", kill_on_drop: false }`
[INFO] [stderr]     Checking rl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/rl/tokenizer.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 &temp.push(c);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let _ = &temp.push(c);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/rl/tokenizer.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             &self.add_ident_token(&temp);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let _ = &self.add_ident_token(&temp);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/rl/tokenizer.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             &self.add_delim(c);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let _ = &self.add_delim(c);
[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 17.99s
[INFO] running `Command { std: "docker" "inspect" "5da3c71d51164b5d25fcf86d2a9fbe236f68f44cd3327f38b72532e74cd74cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da3c71d51164b5d25fcf86d2a9fbe236f68f44cd3327f38b72532e74cd74cd2", kill_on_drop: false }`
[INFO] [stdout] 5da3c71d51164b5d25fcf86d2a9fbe236f68f44cd3327f38b72532e74cd74cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] [stdout] fa7fd1acc2550a5829c59a8a413df2ea2a99822ae5d72d3216863aa5d9e30b54
[INFO] running `Command { std: "docker" "start" "-a" "fa7fd1acc2550a5829c59a8a413df2ea2a99822ae5d72d3216863aa5d9e30b54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "fa7fd1acc2550a5829c59a8a413df2ea2a99822ae5d72d3216863aa5d9e30b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7fd1acc2550a5829c59a8a413df2ea2a99822ae5d72d3216863aa5d9e30b54", kill_on_drop: false }`
[INFO] [stdout] fa7fd1acc2550a5829c59a8a413df2ea2a99822ae5d72d3216863aa5d9e30b54