[INFO] updating cached repository killercup/rust-docstrings
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/killercup/rust-docstrings
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/killercup/rust-docstrings" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/killercup/rust-docstrings"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/killercup/rust-docstrings'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/killercup/rust-docstrings" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/killercup/rust-docstrings"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/killercup/rust-docstrings'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 194540ea3c9df4292f82f627997d37e4840790b9
[INFO] sha for GitHub repo killercup/rust-docstrings: 194540ea3c9df4292f82f627997d37e4840790b9
[INFO] validating manifest of killercup/rust-docstrings 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 killercup/rust-docstrings 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 killercup/rust-docstrings
[INFO] finished frobbing killercup/rust-docstrings
[INFO] frobbed toml for killercup/rust-docstrings written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/killercup/rust-docstrings/Cargo.toml
[INFO] started frobbing killercup/rust-docstrings
[INFO] finished frobbing killercup/rust-docstrings
[INFO] frobbed toml for killercup/rust-docstrings written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/killercup/rust-docstrings/Cargo.toml
[INFO] crate killercup/rust-docstrings 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] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking killercup/rust-docstrings against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/killercup/rust-docstrings:/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] 02a3bf9fee403194604761a56f3f2c89b28a3f52b94b9900a9eedb24c7c4bf31
[INFO] running `"docker" "start" "-a" "02a3bf9fee403194604761a56f3f2c89b28a3f52b94b9900a9eedb24c7c4bf31"`
[INFO] [stderr]    Compiling pulldown-cmark v0.0.14
[INFO] [stderr]     Checking docstrings v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/to_md.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     res.trim_right().into()
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:7:23
[INFO] [stderr]    |
[INFO] [stderr] 7  | #![deny(missing_docs, warnings, unsafe_code, missing_debug_implementations)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/to_md.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     res.trim_right().into()
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:7:23
[INFO] [stderr]    |
[INFO] [stderr] 7  | #![deny(missing_docs, warnings, unsafe_code, missing_debug_implementations)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/extractors.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |         docs = docs.trim_left_matches(": ").into();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/extractors.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |         docs = docs.trim_left_matches(": ").into();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `docstrings`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `docstrings`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "02a3bf9fee403194604761a56f3f2c89b28a3f52b94b9900a9eedb24c7c4bf31"`
[INFO] running `"docker" "rm" "-f" "02a3bf9fee403194604761a56f3f2c89b28a3f52b94b9900a9eedb24c7c4bf31"`
[INFO] [stdout] 02a3bf9fee403194604761a56f3f2c89b28a3f52b94b9900a9eedb24c7c4bf31