[INFO] cloning repository https://github.com/emorilebo/rust_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emorilebo/rust_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femorilebo%2Frust_calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femorilebo%2Frust_calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 597eb297fec8d4125b86b6fc17da138161c5fe29
[INFO] documenting emorilebo/rust_calculator against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femorilebo%2Frust_calculator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emorilebo/rust_calculator on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emorilebo/rust_calculator
[INFO] finished tweaking git repo https://github.com/emorilebo/rust_calculator
[INFO] tweaked toml for git repo https://github.com/emorilebo/rust_calculator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/emorilebo/rust_calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e74a31e05743ee0e024b8b5e7b0bb88270222bd6d632a8ae5ca258345233c48
[INFO] running `Command { std: "docker" "start" "-a" "3e74a31e05743ee0e024b8b5e7b0bb88270222bd6d632a8ae5ca258345233c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e74a31e05743ee0e024b8b5e7b0bb88270222bd6d632a8ae5ca258345233c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e74a31e05743ee0e024b8b5e7b0bb88270222bd6d632a8ae5ca258345233c48", kill_on_drop: false }`
[INFO] [stdout] 3e74a31e05743ee0e024b8b5e7b0bb88270222bd6d632a8ae5ca258345233c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c35ba6be239119193bc21c75f46ebed66a9aeca0cb59d5396da5ebef52a4923
[INFO] running `Command { std: "docker" "start" "-a" "8c35ba6be239119193bc21c75f46ebed66a9aeca0cb59d5396da5ebef52a4923", kill_on_drop: false }`
[INFO] [stderr]  Documenting calcuator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `,`
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn nth(mut, self, n: usize) -> Option<String>{
[INFO] [stdout]    |           ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `self` parameter in function
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn nth(mut, self, n: usize) -> Option<String>{
[INFO] [stdout]    |             ^^^^ must be the first parameter of an associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `calcuator`
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name calcuator src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=c5402aed3d99ec1d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8c35ba6be239119193bc21c75f46ebed66a9aeca0cb59d5396da5ebef52a4923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c35ba6be239119193bc21c75f46ebed66a9aeca0cb59d5396da5ebef52a4923", kill_on_drop: false }`
[INFO] [stdout] 8c35ba6be239119193bc21c75f46ebed66a9aeca0cb59d5396da5ebef52a4923