[INFO] updating cached repository dan-t/rusty-tags
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dan-t/rusty-tags
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dan-t/rusty-tags" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dan-t/rusty-tags"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dan-t/rusty-tags'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dan-t/rusty-tags" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dan-t/rusty-tags"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dan-t/rusty-tags'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21526e604f0ae2ebf3917ba378575dd40c7965f2
[INFO] sha for GitHub repo dan-t/rusty-tags: 21526e604f0ae2ebf3917ba378575dd40c7965f2
[INFO] validating manifest of dan-t/rusty-tags on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dan-t/rusty-tags on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dan-t/rusty-tags
[INFO] finished frobbing dan-t/rusty-tags
[INFO] frobbed toml for dan-t/rusty-tags written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dan-t/rusty-tags/Cargo.toml
[INFO] started frobbing dan-t/rusty-tags
[INFO] finished frobbing dan-t/rusty-tags
[INFO] frobbed toml for dan-t/rusty-tags written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dan-t/rusty-tags/Cargo.toml
[INFO] crate dan-t/rusty-tags already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dan-t/rusty-tags against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dan-t/rusty-tags:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e28d083b2acd35b1837c1008f1c4725e2eb728da50b26075f71b49a65c98276f
[INFO] running `"docker" "start" "-a" "e28d083b2acd35b1837c1008f1c4725e2eb728da50b26075f71b49a65c98276f"`
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tempfile v3.0.6
[INFO] [stderr]     Checking rusty-tags v3.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:417:1
[INFO] [stderr]     |
[INFO] [stderr] 417 |   /// which kind of tags are created
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 418 | / arg_enum! {
[INFO] [stderr] 419 | |     #[derive(Eq, PartialEq, Debug)]
[INFO] [stderr] 420 | |     pub enum TagsKind {
[INFO] [stderr] 421 | |         Vi,
[INFO] [stderr] 422 | |         Emacs
[INFO] [stderr] 423 | |     }
[INFO] [stderr] 424 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:417:1
[INFO] [stderr]     |
[INFO] [stderr] 417 |   /// which kind of tags are created
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 418 | / arg_enum! {
[INFO] [stderr] 419 | |     #[derive(Eq, PartialEq, Debug)]
[INFO] [stderr] 420 | |     pub enum TagsKind {
[INFO] [stderr] 421 | |         Vi,
[INFO] [stderr] 422 | |         Emacs
[INFO] [stderr] 423 | |     }
[INFO] [stderr] 424 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.28s
[INFO] running `"docker" "inspect" "e28d083b2acd35b1837c1008f1c4725e2eb728da50b26075f71b49a65c98276f"`
[INFO] running `"docker" "rm" "-f" "e28d083b2acd35b1837c1008f1c4725e2eb728da50b26075f71b49a65c98276f"`
[INFO] [stdout] e28d083b2acd35b1837c1008f1c4725e2eb728da50b26075f71b49a65c98276f