[INFO] cloning repository https://github.com/gaballard/rust-chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gaballard/rust-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaballard%2Frust-chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaballard%2Frust-chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce6e6924884deb9fccc0a8b6f15cf8164b45111c
[INFO] checking gaballard/rust-chip8 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%2Fgaballard%2Frust-chip8" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gaballard/rust-chip8
[INFO] finished tweaking git repo https://github.com/gaballard/rust-chip8
[INFO] tweaked toml for git repo https://github.com/gaballard/rust-chip8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gaballard/rust-chip8 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/gaballard/rust-chip8 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1d5515fd3abd430244ad57fc4a56c9ccf8531171cb35ef25508a77a0a18b8547
[INFO] running `Command { std: "docker" "start" "-a" "1d5515fd3abd430244ad57fc4a56c9ccf8531171cb35ef25508a77a0a18b8547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d5515fd3abd430244ad57fc4a56c9ccf8531171cb35ef25508a77a0a18b8547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5515fd3abd430244ad57fc4a56c9ccf8531171cb35ef25508a77a0a18b8547", kill_on_drop: false }`
[INFO] [stdout] 1d5515fd3abd430244ad57fc4a56c9ccf8531171cb35ef25508a77a0a18b8547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5fc22685a373c862a78d1038b963e0b1fc9980c9b1acce8efe220e1b56b7ac81
[INFO] running `Command { std: "docker" "start" "-a" "5fc22685a373c862a78d1038b963e0b1fc9980c9b1acce8efe220e1b56b7ac81", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking rust-chip8 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let x = opcode.1.try_into().unwrap();
[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<u8, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let y = opcode.2.try_into().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let n: u8 = opcode.3.try_into().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:562:55
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let sprite_data = self.ram.read_slice(self.i, sprite_len.try_into().unwrap());
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let x = opcode.1.try_into().unwrap();
[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<u8, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let y = opcode.2.try_into().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let n: u8 = opcode.3.try_into().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/chip8/cpu.rs:562:55
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let sprite_data = self.ram.read_slice(self.i, sprite_len.try_into().unwrap());
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-chip8` (bin "rust-chip8" test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-chip8` (bin "rust-chip8") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5fc22685a373c862a78d1038b963e0b1fc9980c9b1acce8efe220e1b56b7ac81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc22685a373c862a78d1038b963e0b1fc9980c9b1acce8efe220e1b56b7ac81", kill_on_drop: false }`
[INFO] [stdout] 5fc22685a373c862a78d1038b963e0b1fc9980c9b1acce8efe220e1b56b7ac81