[INFO] updating cached repository https://github.com/zirman/parse_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea64f5fc2d7db843ab061ec8a6d09ee597e6ba9d
[INFO] documenting zirman/parse_rust against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzirman%2Fparse_rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zirman/parse_rust on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zirman/parse_rust
[INFO] finished tweaking git repo https://github.com/zirman/parse_rust
[INFO] tweaked toml for git repo https://github.com/zirman/parse_rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/zirman/parse_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f8ee6e5ace7bef6e6cd6fac6070924ca5d087ecfd4655436a56d672794cdba9
[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" "1f8ee6e5ace7bef6e6cd6fac6070924ca5d087ecfd4655436a56d672794cdba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f8ee6e5ace7bef6e6cd6fac6070924ca5d087ecfd4655436a56d672794cdba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8ee6e5ace7bef6e6cd6fac6070924ca5d087ecfd4655436a56d672794cdba9", kill_on_drop: false }`
[INFO] [stdout] 1f8ee6e5ace7bef6e6cd6fac6070924ca5d087ecfd4655436a56d672794cdba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ac9e6a951090f8c27725b3071c219cd724397a88ebc926e0dfa1b2912c6c7a
[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" "90ac9e6a951090f8c27725b3071c219cd724397a88ebc926e0dfa1b2912c6c7a", kill_on_drop: false }`
[INFO] [stderr]  Documenting parseli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0720]: cannot resolve opaque type
[INFO] [stdout]    --> src/main.rs:281:15
[INFO] [stdout]     |
[INFO] [stdout] 281 |   fn recur() -> impl Parser<()> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ recursive opaque type
[INFO] [stdout] 282 |       ParserChar('-')
[INFO] [stdout]     |  _____-
[INFO] [stdout]     | |_____|
[INFO] [stdout]     | |
[INFO] [stdout] 283 | |         .bind(|_| recur())
[INFO] [stdout]     | |                          -
[INFO] [stdout]     | |__________________________|
[INFO] [stdout]     | |__________________________returning here with type `ParserBind<ParserChar, [closure@src/main.rs:283:15: 283:26], impl Parser<()>, (), ()>`
[INFO] [stdout]     |                            returning here with type `ParserBind<ParserChar, [closure@src/main.rs:283:15: 283:26], impl Parser<()>, (), ()>`
[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 E0720`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `parseli`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name parseli src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "90ac9e6a951090f8c27725b3071c219cd724397a88ebc926e0dfa1b2912c6c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ac9e6a951090f8c27725b3071c219cd724397a88ebc926e0dfa1b2912c6c7a", kill_on_drop: false }`
[INFO] [stdout] 90ac9e6a951090f8c27725b3071c219cd724397a88ebc926e0dfa1b2912c6c7a