[INFO] updating cached repository matthunz/emul8r
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matthunz/emul8r
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matthunz/emul8r" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/matthunz/emul8r"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/matthunz/emul8r'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthunz/emul8r" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/matthunz/emul8r"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/matthunz/emul8r'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c62a2b457ba63c2a51f03f56c4079389ad022ca3
[INFO] sha for GitHub repo matthunz/emul8r: c62a2b457ba63c2a51f03f56c4079389ad022ca3
[INFO] validating manifest of matthunz/emul8r on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matthunz/emul8r on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing matthunz/emul8r
[INFO] finished frobbing matthunz/emul8r
[INFO] frobbed toml for matthunz/emul8r written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/matthunz/emul8r/Cargo.toml
[INFO] started frobbing matthunz/emul8r
[INFO] finished frobbing matthunz/emul8r
[INFO] frobbed toml for matthunz/emul8r written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/matthunz/emul8r/Cargo.toml
[INFO] crate matthunz/emul8r already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking matthunz/emul8r against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-4/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/matthunz/emul8r:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4de0ca16d0c6e22e6ad3c09f955e56c8eaaaf29ab0f28e7424598a684effc950
[INFO] running `"docker" "start" "-a" "4de0ca16d0c6e22e6ad3c09f955e56c8eaaaf29ab0f28e7424598a684effc950"`
[INFO] [stderr]     Checking emul8r v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Cpu {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/cpu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `opcode`
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn opcode(&mut self, op: Op) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "4de0ca16d0c6e22e6ad3c09f955e56c8eaaaf29ab0f28e7424598a684effc950"`
[INFO] running `"docker" "rm" "-f" "4de0ca16d0c6e22e6ad3c09f955e56c8eaaaf29ab0f28e7424598a684effc950"`
[INFO] [stdout] 4de0ca16d0c6e22e6ad3c09f955e56c8eaaaf29ab0f28e7424598a684effc950