[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/maximveligan/nes_emu"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/maximveligan/nes_emu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maximveligan/nes_emu" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/maximveligan/nes_emu"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maximveligan/nes_emu on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/maximveligan/nes_emu/Cargo.toml
[INFO] crate maximveligan/nes_emu already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking maximveligan/nes_emu against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/maximveligan/nes_emu:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a07947499aecff014ae4f56a0ffc023cec896403b05bb9bc703d1535a3aca34
[INFO] running `"docker" "start" "-a" "7a07947499aecff014ae4f56a0ffc023cec896403b05bb9bc703d1535a3aca34"`
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking bitfield v0.13.1
[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 11.11s
[INFO] running `"docker" "inspect" "7a07947499aecff014ae4f56a0ffc023cec896403b05bb9bc703d1535a3aca34"`
[INFO] running `"docker" "rm" "-f" "7a07947499aecff014ae4f56a0ffc023cec896403b05bb9bc703d1535a3aca34"`
[INFO] [stdout] 7a07947499aecff014ae4f56a0ffc023cec896403b05bb9bc703d1535a3aca34