[INFO] updating cached repository seasalim/retro6502
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/seasalim/retro6502
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/seasalim/retro6502" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/seasalim/retro6502"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/seasalim/retro6502'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/seasalim/retro6502" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/seasalim/retro6502"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/seasalim/retro6502'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72a0f2178696ace82405d7a482a868083e52db35
[INFO] sha for GitHub repo seasalim/retro6502: 72a0f2178696ace82405d7a482a868083e52db35
[INFO] validating manifest of seasalim/retro6502 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 seasalim/retro6502 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 seasalim/retro6502
[INFO] finished frobbing seasalim/retro6502
[INFO] frobbed toml for seasalim/retro6502 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/seasalim/retro6502/Cargo.toml
[INFO] started frobbing seasalim/retro6502
[INFO] finished frobbing seasalim/retro6502
[INFO] frobbed toml for seasalim/retro6502 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/seasalim/retro6502/Cargo.toml
[INFO] crate seasalim/retro6502 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 seasalim/retro6502 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/seasalim/retro6502:/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] 2dcbd7fcf5c9b4d4281dbb3f85796317c6b6902f785010806c7005603e294e53
[INFO] running `"docker" "start" "-a" "2dcbd7fcf5c9b4d4281dbb3f85796317c6b6902f785010806c7005603e294e53"`
[INFO] [stderr]     Checking strsim v0.5.1
[INFO] [stderr]     Checking ncurses v5.84.0
[INFO] [stderr]     Checking clap v2.18.0
[INFO] [stderr]     Checking retro6502 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/emu.rs:98:28
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut iter = cmd.trim_right().split_whitespace();
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/emu.rs:98:28
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut iter = cmd.trim_right().split_whitespace();
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Register`
[INFO] [stderr]   --> src/cpu.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub enum Register {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_register`
[INFO] [stderr]    --> src/cpu.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn get_register(&self, r: Register) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `"docker" "inspect" "2dcbd7fcf5c9b4d4281dbb3f85796317c6b6902f785010806c7005603e294e53"`
[INFO] running `"docker" "rm" "-f" "2dcbd7fcf5c9b4d4281dbb3f85796317c6b6902f785010806c7005603e294e53"`
[INFO] [stdout] 2dcbd7fcf5c9b4d4281dbb3f85796317c6b6902f785010806c7005603e294e53