[INFO] updating cached repository https://github.com/morty-c137-prime/rusty-ricks-cheatsheet
[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] c6e856caf6870a61d66827f8954c528c154ef164
[INFO] documenting morty-c137-prime/rusty-ricks-cheatsheet against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorty-c137-prime%2Frusty-ricks-cheatsheet" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morty-c137-prime/rusty-ricks-cheatsheet on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/morty-c137-prime/rusty-ricks-cheatsheet
[INFO] finished tweaking git repo https://github.com/morty-c137-prime/rusty-ricks-cheatsheet
[INFO] tweaked toml for git repo https://github.com/morty-c137-prime/rusty-ricks-cheatsheet written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/morty-c137-prime/rusty-ricks-cheatsheet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86673cf6a51d5a7c04e296ae8c72df2c950e7c499045585c7e76f99c5a52f31f
[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" "86673cf6a51d5a7c04e296ae8c72df2c950e7c499045585c7e76f99c5a52f31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86673cf6a51d5a7c04e296ae8c72df2c950e7c499045585c7e76f99c5a52f31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86673cf6a51d5a7c04e296ae8c72df2c950e7c499045585c7e76f99c5a52f31f", kill_on_drop: false }`
[INFO] [stdout] 86673cf6a51d5a7c04e296ae8c72df2c950e7c499045585c7e76f99c5a52f31f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e8a82311e8dcba19017d61e2110b50e40a655b2fd241cd581826f6f81255c79
[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" "0e8a82311e8dcba19017d61e2110b50e40a655b2fd241cd581826f6f81255c79", kill_on_drop: false }`
[INFO] [stderr]  Documenting rusty-ricks-cheatsheet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `{`
[INFO] [stdout]   --> src/bin/chapter2-guessing-game.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let guess: u32 = guess.trim().parse() 
[INFO] [stdout]    |                                              ^ help: add `;` here
[INFO] [stdout] 30 |         {
[INFO] [stdout]    |         - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `=>`
[INFO] [stdout]   --> src/bin/chapter2-guessing-game.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Ok(num) => num,
[INFO] [stdout]    |                     ^^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
[INFO] [stdout]   --> src/bin/chapter2-guessing-game.rs:42:37
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 println!("Just right, you win!"),
[INFO] [stdout]    |                                                 ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/bin/chapter4-ownership.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |     } // s is dropped
[INFO] [stdout]    |      ^ help: add `;` here
[INFO] [stdout] ...
[INFO] [stdout] 21 |     let mut string = String::from("hello");
[INFO] [stdout]    |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rusty-ricks-cheatsheet`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name chapter2_guessing_game src/bin/chapter2-guessing-game.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-65a83e56fc6c32e1.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0e8a82311e8dcba19017d61e2110b50e40a655b2fd241cd581826f6f81255c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8a82311e8dcba19017d61e2110b50e40a655b2fd241cd581826f6f81255c79", kill_on_drop: false }`
[INFO] [stdout] 0e8a82311e8dcba19017d61e2110b50e40a655b2fd241cd581826f6f81255c79