[INFO] cloning repository https://github.com/tmnilsson/nesemu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmnilsson/nesemu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmnilsson%2Fnesemu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmnilsson%2Fnesemu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a44ede6e6ed340c537cb92018262c282d8920b27
[INFO] checking tmnilsson/nesemu against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmnilsson%2Fnesemu" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmnilsson/nesemu on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tmnilsson/nesemu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e18e56afe52fe8706f38efe0897c3b2578d215da3b1a312fbb1a4062065098d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e18e56afe52fe8706f38efe0897c3b2578d215da3b1a312fbb1a4062065098d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e18e56afe52fe8706f38efe0897c3b2578d215da3b1a312fbb1a4062065098d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e18e56afe52fe8706f38efe0897c3b2578d215da3b1a312fbb1a4062065098d", kill_on_drop: false }`
[INFO] [stdout] 5e18e56afe52fe8706f38efe0897c3b2578d215da3b1a312fbb1a4062065098d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f73183704bdb46065923366be6e4006cb3d917599bdd65d0c40e602fabe553bf
[INFO] running `Command { std: "docker" "start" "-a" "f73183704bdb46065923366be6e4006cb3d917599bdd65d0c40e602fabe553bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.25.0
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking sdl2 v0.25.0
[INFO] [stderr]     Checking nesemu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nes/ppu.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   let mut renderer = self.renderer_nametable.as_mut().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nes/ppu.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   let mut renderer = self.renderer_nametable.as_mut().unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u8>::wrapping_add` that must be used
[INFO] [stdout]    --> src/nes/ppu.rs:558:21
[INFO] [stdout]     |
[INFO] [stdout] 558 |                     self.oam_addr.wrapping_add(1);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u8>::wrapping_add` that must be used
[INFO] [stdout]    --> src/nes/ppu.rs:558:21
[INFO] [stdout]     |
[INFO] [stdout] 558 |                     self.oam_addr.wrapping_add(1);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "f73183704bdb46065923366be6e4006cb3d917599bdd65d0c40e602fabe553bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73183704bdb46065923366be6e4006cb3d917599bdd65d0c40e602fabe553bf", kill_on_drop: false }`
[INFO] [stdout] f73183704bdb46065923366be6e4006cb3d917599bdd65d0c40e602fabe553bf