[INFO] cloning repository https://github.com/quixotrykd/Rust-NES
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quixotrykd/Rust-NES" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FRust-NES", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FRust-NES'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bd69a1a14057ca21f22d40e27b83a7dec220820
[INFO] checking quixotrykd/Rust-NES against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FRust-NES" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/quixotrykd/Rust-NES
[INFO] finished tweaking git repo https://github.com/quixotrykd/Rust-NES
[INFO] tweaked toml for git repo https://github.com/quixotrykd/Rust-NES written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quixotrykd/Rust-NES on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/quixotrykd/Rust-NES already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead88794afde2dee1b7e5a6b8958ba5ea7dd2e409eb71681425c2aeec1e16051
[INFO] running `Command { std: "docker" "start" "-a" "ead88794afde2dee1b7e5a6b8958ba5ea7dd2e409eb71681425c2aeec1e16051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead88794afde2dee1b7e5a6b8958ba5ea7dd2e409eb71681425c2aeec1e16051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead88794afde2dee1b7e5a6b8958ba5ea7dd2e409eb71681425c2aeec1e16051", kill_on_drop: false }`
[INFO] [stdout] ead88794afde2dee1b7e5a6b8958ba5ea7dd2e409eb71681425c2aeec1e16051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2057cd9ab4312aa57bc833903a1bb788f43880cecde2f9aea2760d469af44dc1
[INFO] running `Command { std: "docker" "start" "-a" "2057cd9ab4312aa57bc833903a1bb788f43880cecde2f9aea2760d469af44dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `emulator` (bin "emulator") due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] warning: field `oamdata` is never read
[INFO] [stdout]    --> src/ppu.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 399 | pub struct Ppu {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 404 |     pub oamdata: u8,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `battery_backed_ram` and `trainer` are never read
[INFO] [stdout]   --> src/rom.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Rom {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub battery_backed_ram: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub trainer: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emulator` (bin "emulator" test) due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/rom.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let prg_bytes = u32::try_from(prg_rom_banks).unwrap() * 0x4000;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/rom.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let chr_bytes = u32::try_from(chr_rom_banks).unwrap() * 0x2000;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `oamdata` is never read
[INFO] [stdout]    --> src/ppu.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 399 | pub struct Ppu {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 404 |     pub oamdata: u8,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `battery_backed_ram` and `trainer` are never read
[INFO] [stdout]   --> src/rom.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Rom {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub battery_backed_ram: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub trainer: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/rom.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let prg_bytes = u32::try_from(prg_rom_banks).unwrap() * 0x4000;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/rom.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let chr_bytes = u32::try_from(chr_rom_banks).unwrap() * 0x2000;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2057cd9ab4312aa57bc833903a1bb788f43880cecde2f9aea2760d469af44dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2057cd9ab4312aa57bc833903a1bb788f43880cecde2f9aea2760d469af44dc1", kill_on_drop: false }`
[INFO] [stdout] 2057cd9ab4312aa57bc833903a1bb788f43880cecde2f9aea2760d469af44dc1
