[INFO] updating cached repository maximveligan/nes_emu
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maximveligan/nes_emu
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maximveligan/nes_emu" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/maximveligan/nes_emu"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/maximveligan/nes_emu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maximveligan/nes_emu" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/maximveligan/nes_emu"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/maximveligan/nes_emu'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52bc0f47527a821b939060b660af4abb017d433a
[INFO] sha for GitHub repo maximveligan/nes_emu: 52bc0f47527a821b939060b660af4abb017d433a
[INFO] validating manifest of maximveligan/nes_emu on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maximveligan/nes_emu on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maximveligan/nes_emu
[INFO] finished frobbing maximveligan/nes_emu
[INFO] frobbed toml for maximveligan/nes_emu written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/maximveligan/nes_emu/Cargo.toml
[INFO] started frobbing maximveligan/nes_emu
[INFO] finished frobbing maximveligan/nes_emu
[INFO] frobbed toml for maximveligan/nes_emu written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/maximveligan/nes_emu/Cargo.toml
[INFO] crate maximveligan/nes_emu already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking maximveligan/nes_emu against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-7/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/maximveligan/nes_emu:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ae021186ef2eedfc6943384fac06ac198552eebb108e7b31f0a99cb0c0defb9c
[INFO] running `"docker" "start" "-a" "ae021186ef2eedfc6943384fac06ac198552eebb108e7b31f0a99cb0c0defb9c"`
[INFO] [stderr]     Checking bitfield v0.13.1
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking sdl2 v0.32.1
[INFO] [stderr]     Checking nes_emu v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `nes_emu::rom::RomType`
[INFO] [stderr]  --> tests/cpu_integ_tests.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use nes_emu::rom::RomType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nes_emu::rom::Region`
[INFO] [stderr]  --> tests/cpu_integ_tests.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use nes_emu::rom::Region;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> tests/cpu_integ_tests.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cycle_count` is assigned to, but never used
[INFO] [stderr]   --> tests/cpu_integ_tests.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut cycle_count: usize = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_cycle_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/cpu_integ_tests.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut mapper = Rc::new(RefCell::new(Mapper::from_rom(rom)));
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `"docker" "inspect" "ae021186ef2eedfc6943384fac06ac198552eebb108e7b31f0a99cb0c0defb9c"`
[INFO] running `"docker" "rm" "-f" "ae021186ef2eedfc6943384fac06ac198552eebb108e7b31f0a99cb0c0defb9c"`
[INFO] [stdout] ae021186ef2eedfc6943384fac06ac198552eebb108e7b31f0a99cb0c0defb9c