[INFO] updating cached repository the7thobserver/Chip8_Emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/the7thobserver/Chip8_Emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/the7thobserver/Chip8_Emulator" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/the7thobserver/Chip8_Emulator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/the7thobserver/Chip8_Emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/the7thobserver/Chip8_Emulator" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/the7thobserver/Chip8_Emulator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/the7thobserver/Chip8_Emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51f31d867eb261d9596eae6d550cc009174a64e4
[INFO] sha for GitHub repo the7thobserver/Chip8_Emulator: 51f31d867eb261d9596eae6d550cc009174a64e4
[INFO] validating manifest of the7thobserver/Chip8_Emulator on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of the7thobserver/Chip8_Emulator on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing the7thobserver/Chip8_Emulator
[INFO] finished frobbing the7thobserver/Chip8_Emulator
[INFO] frobbed toml for the7thobserver/Chip8_Emulator written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/the7thobserver/Chip8_Emulator/Cargo.toml
[INFO] started frobbing the7thobserver/Chip8_Emulator
[INFO] finished frobbing the7thobserver/Chip8_Emulator
[INFO] frobbed toml for the7thobserver/Chip8_Emulator written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/the7thobserver/Chip8_Emulator/Cargo.toml
[INFO] crate the7thobserver/Chip8_Emulator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking the7thobserver/Chip8_Emulator against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-5/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/the7thobserver/Chip8_Emulator:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d8458662821452b4c2d3ade9f27d77ada48b70c9ebf34a4fe6885eec1b1b92a2
[INFO] running `"docker" "start" "-a" "d8458662821452b4c2d3ade9f27d77ada48b70c9ebf34a4fe6885eec1b1b92a2"`
[INFO] [stderr]     Checking chip8_emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `:` or `@`, found `)`
[INFO] [stderr]   --> src/cpu.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute_instruction(&mut self, instruction) {
[INFO] [stderr]    |                                                  ^ expected one of `:` or `@` here
[INFO] [stderr]    |
[INFO] [stderr]    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stderr] help: if this was a parameter name, give it a type
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute_instruction(&mut self, instruction: TypeName) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: if this is a type, explicitly ignore the parameter name
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute_instruction(&mut self, _: instruction) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `:` or `@`, found `)`
[INFO] [stderr]   --> src/cpu.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute_instruction(&mut self, instruction) {
[INFO] [stderr]    |                                                  ^ expected one of `:` or `@` here
[INFO] [stderr]    |
[INFO] [stderr]    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stderr] help: if this was a parameter name, give it a type
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute_instruction(&mut self, instruction: TypeName) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: if this is a type, explicitly ignore the parameter name
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute_instruction(&mut self, _: instruction) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chip8_emulator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chip8_emulator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d8458662821452b4c2d3ade9f27d77ada48b70c9ebf34a4fe6885eec1b1b92a2"`
[INFO] running `"docker" "rm" "-f" "d8458662821452b4c2d3ade9f27d77ada48b70c9ebf34a4fe6885eec1b1b92a2"`
[INFO] [stdout] d8458662821452b4c2d3ade9f27d77ada48b70c9ebf34a4fe6885eec1b1b92a2