[INFO] updating cached repository GHvW/chip-8-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GHvW/chip-8-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GHvW/chip-8-rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/GHvW/chip-8-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/GHvW/chip-8-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GHvW/chip-8-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GHvW/chip-8-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GHvW/chip-8-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d53e1a1b37a81558460c1afdcc2fd4abd52556bf
[INFO] sha for GitHub repo GHvW/chip-8-rs: d53e1a1b37a81558460c1afdcc2fd4abd52556bf
[INFO] validating manifest of GHvW/chip-8-rs on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of GHvW/chip-8-rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing GHvW/chip-8-rs
[INFO] finished frobbing GHvW/chip-8-rs
[INFO] frobbed toml for GHvW/chip-8-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/GHvW/chip-8-rs/Cargo.toml
[INFO] started frobbing GHvW/chip-8-rs
[INFO] finished frobbing GHvW/chip-8-rs
[INFO] frobbed toml for GHvW/chip-8-rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GHvW/chip-8-rs/Cargo.toml
[INFO] crate GHvW/chip-8-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking GHvW/chip-8-rs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/GHvW/chip-8-rs:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] acb68f7f1b22063f8b052c8109e6ada2c93529a8891b63a3a1afd78e9e0dacf2
[INFO] running `"docker" "start" "-a" "acb68f7f1b22063f8b052c8109e6ada2c93529a8891b63a3a1afd78e9e0dacf2"`
[INFO] [stderr]     Checking chip_8_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find value `n1` in this scope
[INFO] [stderr]    --> src/cpu.rs:172:18
[INFO] [stderr]     |
[INFO] [stderr] 172 |     if predicate(n1, n2) {
[INFO] [stderr]     |                  ^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `n2` in this scope
[INFO] [stderr]    --> src/cpu.rs:172:22
[INFO] [stderr]     |
[INFO] [stderr] 172 |     if predicate(n1, n2) {
[INFO] [stderr]     |                      ^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `n1` in this scope
[INFO] [stderr]    --> src/cpu.rs:172:18
[INFO] [stderr]     |
[INFO] [stderr] 172 |     if predicate(n1, n2) {
[INFO] [stderr]     |                  ^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `n2` in this scope
[INFO] [stderr]    --> src/cpu.rs:172:22
[INFO] [stderr]     |
[INFO] [stderr] 172 |     if predicate(n1, n2) {
[INFO] [stderr]     |                      ^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `chip_8_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `chip_8_rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "acb68f7f1b22063f8b052c8109e6ada2c93529a8891b63a3a1afd78e9e0dacf2"`
[INFO] running `"docker" "rm" "-f" "acb68f7f1b22063f8b052c8109e6ada2c93529a8891b63a3a1afd78e9e0dacf2"`
[INFO] [stdout] acb68f7f1b22063f8b052c8109e6ada2c93529a8891b63a3a1afd78e9e0dacf2