[INFO] updating cached repository joshuaholmes/chip8_this_time_in_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joshuaholmes/chip8_this_time_in_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joshuaholmes/chip8_this_time_in_rust" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/joshuaholmes/chip8_this_time_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/joshuaholmes/chip8_this_time_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joshuaholmes/chip8_this_time_in_rust" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/joshuaholmes/chip8_this_time_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/joshuaholmes/chip8_this_time_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c4e8e5454f70e72838f04c5a891ed75d6d3ddf9
[INFO] sha for GitHub repo joshuaholmes/chip8_this_time_in_rust: 6c4e8e5454f70e72838f04c5a891ed75d6d3ddf9
[INFO] validating manifest of joshuaholmes/chip8_this_time_in_rust on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joshuaholmes/chip8_this_time_in_rust on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joshuaholmes/chip8_this_time_in_rust
[INFO] finished frobbing joshuaholmes/chip8_this_time_in_rust
[INFO] frobbed toml for joshuaholmes/chip8_this_time_in_rust written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/joshuaholmes/chip8_this_time_in_rust/Cargo.toml
[INFO] started frobbing joshuaholmes/chip8_this_time_in_rust
[INFO] finished frobbing joshuaholmes/chip8_this_time_in_rust
[INFO] frobbed toml for joshuaholmes/chip8_this_time_in_rust written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/joshuaholmes/chip8_this_time_in_rust/Cargo.toml
[INFO] crate joshuaholmes/chip8_this_time_in_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/joshuaholmes/chip8_this_time_in_rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking joshuaholmes/chip8_this_time_in_rust against try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-7/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/joshuaholmes/chip8_this_time_in_rust:/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" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 45d6123f743577f71f5efc629a21b2f032595edaf7a994e98cda34be99b10327
[INFO] running `"docker" "start" "-a" "45d6123f743577f71f5efc629a21b2f032595edaf7a994e98cda34be99b10327"`
[INFO] [stderr]     Checking chip8_this_time_in_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/opcode.rs:161:19
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn opcode_sys(args: &OpCodeArgs, cpu: &mut Cpu) {
[INFO] [stderr]     |                   ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/opcode.rs:167:19
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn opcode_cls(args: &OpCodeArgs, cpu: &mut Cpu) {
[INFO] [stderr]     |                   ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/opcode.rs:176:19
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn opcode_ret(args: &OpCodeArgs, cpu: &mut Cpu) {
[INFO] [stderr]     |                   ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/opcode.rs:161:19
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn opcode_sys(args: &OpCodeArgs, cpu: &mut Cpu) {
[INFO] [stderr]     |                   ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/opcode.rs:167:19
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn opcode_cls(args: &OpCodeArgs, cpu: &mut Cpu) {
[INFO] [stderr]     |                   ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/opcode.rs:176:19
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn opcode_ret(args: &OpCodeArgs, cpu: &mut Cpu) {
[INFO] [stderr]     |                   ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "45d6123f743577f71f5efc629a21b2f032595edaf7a994e98cda34be99b10327"`
[INFO] running `"docker" "rm" "-f" "45d6123f743577f71f5efc629a21b2f032595edaf7a994e98cda34be99b10327"`
[INFO] [stdout] 45d6123f743577f71f5efc629a21b2f032595edaf7a994e98cda34be99b10327