[INFO] updating cached repository akitsu-sanae/ysd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/akitsu-sanae/ysd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/akitsu-sanae/ysd" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/akitsu-sanae/ysd"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/akitsu-sanae/ysd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/akitsu-sanae/ysd" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/akitsu-sanae/ysd"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/akitsu-sanae/ysd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af27b5b110a605456d2ff678ed216795eac63155
[INFO] sha for GitHub repo akitsu-sanae/ysd: af27b5b110a605456d2ff678ed216795eac63155
[INFO] validating manifest of akitsu-sanae/ysd on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of akitsu-sanae/ysd on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing akitsu-sanae/ysd
[INFO] finished frobbing akitsu-sanae/ysd
[INFO] frobbed toml for akitsu-sanae/ysd written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/akitsu-sanae/ysd/Cargo.toml
[INFO] started frobbing akitsu-sanae/ysd
[INFO] finished frobbing akitsu-sanae/ysd
[INFO] frobbed toml for akitsu-sanae/ysd written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/akitsu-sanae/ysd/Cargo.toml
[INFO] crate akitsu-sanae/ysd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking akitsu-sanae/ysd against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/akitsu-sanae/ysd:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c042a3576f2f443105e30a431fe177e48da5888c27c6f5219bcee78392b8783
[INFO] running `"docker" "start" "-a" "3c042a3576f2f443105e30a431fe177e48da5888c27c6f5219bcee78392b8783"`
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]     Checking ysd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning[E0502]: cannot borrow `self.buffer.lines` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> src/editor.rs:81:47
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     self.buffer.lines[y-1] += self.buffer.lines[y].clone().as_str();
[INFO] [stderr]    |                     --------------------------^^^^^^^^^^^^^^^^^--------------------
[INFO] [stderr]    |                     |                         |
[INFO] [stderr]    |                     |                         immutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `self.buffer.lines` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> src/editor.rs:81:47
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     self.buffer.lines[y-1] += self.buffer.lines[y].clone().as_str();
[INFO] [stderr]    |                     --------------------------^^^^^^^^^^^^^^^^^--------------------
[INFO] [stderr]    |                     |                         |
[INFO] [stderr]    |                     |                         immutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bold`
[INFO] [stderr]    --> src/terminal.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     Bold
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bold`
[INFO] [stderr]    --> src/terminal.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     Bold
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `"docker" "inspect" "3c042a3576f2f443105e30a431fe177e48da5888c27c6f5219bcee78392b8783"`
[INFO] running `"docker" "rm" "-f" "3c042a3576f2f443105e30a431fe177e48da5888c27c6f5219bcee78392b8783"`
[INFO] [stdout] 3c042a3576f2f443105e30a431fe177e48da5888c27c6f5219bcee78392b8783