[INFO] cloning repository https://github.com/bellskinling/rust_big_number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bellskinling/rust_big_number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbellskinling%2Frust_big_number", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbellskinling%2Frust_big_number'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a820d69fd7f61e7c4b02f4aaefa206527030107c
[INFO] documenting bellskinling/rust_big_number against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbellskinling%2Frust_big_number" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bellskinling/rust_big_number on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bellskinling/rust_big_number
[INFO] finished tweaking git repo https://github.com/bellskinling/rust_big_number
[INFO] tweaked toml for git repo https://github.com/bellskinling/rust_big_number written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bellskinling/rust_big_number already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1dba8493b5103436e18585188fef95e6ff9739cecc3262322a8ea96cc7551d6
[INFO] running `Command { std: "docker" "start" "-a" "f1dba8493b5103436e18585188fef95e6ff9739cecc3262322a8ea96cc7551d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1dba8493b5103436e18585188fef95e6ff9739cecc3262322a8ea96cc7551d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1dba8493b5103436e18585188fef95e6ff9739cecc3262322a8ea96cc7551d6", kill_on_drop: false }`
[INFO] [stdout] f1dba8493b5103436e18585188fef95e6ff9739cecc3262322a8ea96cc7551d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f445a506e47b7808c17e7e5ec79402bcb3487a95d06f0642ce122ab80d20aa5
[INFO] running `Command { std: "docker" "start" "-a" "2f445a506e47b7808c17e7e5ec79402bcb3487a95d06f0642ce122ab80d20aa5", kill_on_drop: false }`
[INFO] [stderr]  Documenting big_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0637]: `'_` cannot be used here
[INFO] [stdout]   --> src/big_number_core/big_number.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type BigNumberRevIterMut<'_> = iter::Take<iter::Skip<iter::Rev<slice::IterMut<'_, i32>>>>;
[INFO] [stdout]    |                              ^^ `'_` is a reserved lifetime name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `'_` cannot be used here
[INFO] [stdout]   --> src/big_number_core/big_number.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type BigNumberRevIter<'_> = iter::Take<iter::Skip<iter::Rev<slice::Iter<'_, i32>>>>;
[INFO] [stdout]    |                           ^^ `'_` is a reserved lifetime name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `'_` cannot be used here
[INFO] [stdout]   --> src/big_number_core/big_number.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type BigNumberIterMut<'_> = iter::Take<iter::Skip<slice::IterMut<'_, ItemType>>>;
[INFO] [stdout]    |                           ^^ `'_` is a reserved lifetime name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0637]: `'_` cannot be used here
[INFO] [stdout]   --> src/big_number_core/big_number.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BigNumberIter<'_> = iter::Take<iter::Skip<slice::Iter<'_, ItemType>>>;
[INFO] [stdout]    |                        ^^ `'_` is a reserved lifetime name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/big_number_core/big_number.rs:23:83
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type BigNumberRevIterMut<'_> = iter::Take<iter::Skip<iter::Rev<slice::IterMut<'_, i32>>>>;
[INFO] [stdout]    |                                                                                   ^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type BigNumberRevIterMut<'a, '_> = iter::Take<iter::Skip<iter::Rev<slice::IterMut<'a, i32>>>>;
[INFO] [stdout]    |                              ^^^                                                      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/big_number_core/big_number.rs:24:77
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type BigNumberRevIter<'_> = iter::Take<iter::Skip<iter::Rev<slice::Iter<'_, i32>>>>;
[INFO] [stdout]    |                                                                             ^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type BigNumberRevIter<'a, '_> = iter::Take<iter::Skip<iter::Rev<slice::Iter<'a, i32>>>>;
[INFO] [stdout]    |                           ^^^                                                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/big_number_core/big_number.rs:26:70
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type BigNumberIterMut<'_> = iter::Take<iter::Skip<slice::IterMut<'_, ItemType>>>;
[INFO] [stdout]    |                                                                      ^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type BigNumberIterMut<'a, '_> = iter::Take<iter::Skip<slice::IterMut<'a, ItemType>>>;
[INFO] [stdout]    |                           ^^^                                            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/big_number_core/big_number.rs:27:64
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BigNumberIter<'_> = iter::Take<iter::Skip<slice::Iter<'_, ItemType>>>;
[INFO] [stdout]    |                                                                ^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BigNumberIter<'a, '_> = iter::Take<iter::Skip<slice::Iter<'a, ItemType>>>;
[INFO] [stdout]    |                        ^^^                                         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0637.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `big_number`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name big_number src/lib.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=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2f445a506e47b7808c17e7e5ec79402bcb3487a95d06f0642ce122ab80d20aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f445a506e47b7808c17e7e5ec79402bcb3487a95d06f0642ce122ab80d20aa5", kill_on_drop: false }`
[INFO] [stdout] 2f445a506e47b7808c17e7e5ec79402bcb3487a95d06f0642ce122ab80d20aa5
