[INFO] cloning repository https://github.com/ericgumba/chip_8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericgumba/chip_8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Fchip_8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Fchip_8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f83151759910a3846cbcdc34e3e8e00d0d58eb80
[INFO] checking ericgumba/chip_8 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%2Fericgumba%2Fchip_8" "/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/ericgumba/chip_8
[INFO] finished tweaking git repo https://github.com/ericgumba/chip_8
[INFO] tweaked toml for git repo https://github.com/ericgumba/chip_8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ericgumba/chip_8 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/ericgumba/chip_8 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] d8e61b7dae9fe79039bec6a745a9c1e4d6407bed9dd28ccbf7e8167ee6e50608
[INFO] running `Command { std: "docker" "start" "-a" "d8e61b7dae9fe79039bec6a745a9c1e4d6407bed9dd28ccbf7e8167ee6e50608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8e61b7dae9fe79039bec6a745a9c1e4d6407bed9dd28ccbf7e8167ee6e50608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e61b7dae9fe79039bec6a745a9c1e4d6407bed9dd28ccbf7e8167ee6e50608", kill_on_drop: false }`
[INFO] [stdout] d8e61b7dae9fe79039bec6a745a9c1e4d6407bed9dd28ccbf7e8167ee6e50608
[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] 499467965dbf1767c25f9bfb116467b4423514d5cfbf841e2f1302451b831645
[INFO] running `Command { std: "docker" "start" "-a" "499467965dbf1767c25f9bfb116467b4423514d5cfbf841e2f1302451b831645", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/audio.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 0.0...0.5 => self.volume,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/audio.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 0.0...0.5 => self.volume,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/chip8.rs:284:32
[INFO] [stdout]     |
[INFO] [stdout] 284 |         return self.pc - 512 < self.rom.len().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.rs:406:37
[INFO] [stdout]     |
[INFO] [stdout] 406 |                 return reg_value == nn.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.rs:409:37
[INFO] [stdout]     |
[INFO] [stdout] 409 |                 return reg_value != nn.try_into().unwrap()  
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip_8` (bin "chip_8") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/chip8.rs:284:32
[INFO] [stdout]     |
[INFO] [stdout] 284 |         return self.pc - 512 < self.rom.len().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.rs:406:37
[INFO] [stdout]     |
[INFO] [stdout] 406 |                 return reg_value == nn.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.rs:409:37
[INFO] [stdout]     |
[INFO] [stdout] 409 |                 return reg_value != nn.try_into().unwrap()  
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip_8` (bin "chip_8" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "499467965dbf1767c25f9bfb116467b4423514d5cfbf841e2f1302451b831645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499467965dbf1767c25f9bfb116467b4423514d5cfbf841e2f1302451b831645", kill_on_drop: false }`
[INFO] [stdout] 499467965dbf1767c25f9bfb116467b4423514d5cfbf841e2f1302451b831645
