[INFO] updating cached repository https://github.com/tmnilsson/nesemu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a44ede6e6ed340c537cb92018262c282d8920b27
[INFO] checking tmnilsson/nesemu against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmnilsson%2Fnesemu" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmnilsson/nesemu on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tmnilsson/nesemu
[INFO] finished tweaking git repo https://github.com/tmnilsson/nesemu
[INFO] tweaked toml for git repo https://github.com/tmnilsson/nesemu written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tmnilsson/nesemu already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44fd3e9b3e03617cc774a0ce754f96959eeae433fd8bb185a6e04e65355d050b
[INFO] running `"docker" "start" "-a" "44fd3e9b3e03617cc774a0ce754f96959eeae433fd8bb185a6e04e65355d050b"`
[INFO] [stderr]    Compiling sdl2-sys v0.25.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking sdl2 v0.25.0
[INFO] [stderr]     Checking nesemu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nes/ppu.rs:188:37
[INFO] [stderr]     |
[INFO] [stderr] 188 | ...                   let mut renderer = self.renderer_nametable.as_mut().unwrap();
[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] warning: unused return value of `core::num::<impl u8>::wrapping_add` that must be used
[INFO] [stderr]    --> src/nes/ppu.rs:558:21
[INFO] [stderr]     |
[INFO] [stderr] 558 |                     self.oam_addr.wrapping_add(1);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nes/ppu.rs:188:37
[INFO] [stderr]     |
[INFO] [stderr] 188 | ...                   let mut renderer = self.renderer_nametable.as_mut().unwrap();
[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] warning: unused return value of `core::num::<impl u8>::wrapping_add` that must be used
[INFO] [stderr]    --> src/nes/ppu.rs:558:21
[INFO] [stderr]     |
[INFO] [stderr] 558 |                     self.oam_addr.wrapping_add(1);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `"docker" "inspect" "44fd3e9b3e03617cc774a0ce754f96959eeae433fd8bb185a6e04e65355d050b"`
[INFO] running `"docker" "rm" "-f" "44fd3e9b3e03617cc774a0ce754f96959eeae433fd8bb185a6e04e65355d050b"`
[INFO] [stdout] 44fd3e9b3e03617cc774a0ce754f96959eeae433fd8bb185a6e04e65355d050b