[INFO] cloning repository https://github.com/JorinTielen/maki8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JorinTielen/maki8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJorinTielen%2Fmaki8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJorinTielen%2Fmaki8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d02c39a6426ac197f9b12f340b6868c8d99e9d9 [INFO] testing JorinTielen/maki8 against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJorinTielen%2Fmaki8" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JorinTielen/maki8 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JorinTielen/maki8 [INFO] finished tweaking git repo https://github.com/JorinTielen/maki8 [INFO] tweaked toml for git repo https://github.com/JorinTielen/maki8 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/JorinTielen/maki8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9c42bb889e693921243a7d80322754112f20e6c0a695b64b4d442286a5ebf9d [INFO] running `Command { std: "docker" "start" "-a" "a9c42bb889e693921243a7d80322754112f20e6c0a695b64b4d442286a5ebf9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9c42bb889e693921243a7d80322754112f20e6c0a695b64b4d442286a5ebf9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9c42bb889e693921243a7d80322754112f20e6c0a695b64b4d442286a5ebf9d", kill_on_drop: false }` [INFO] [stdout] a9c42bb889e693921243a7d80322754112f20e6c0a695b64b4d442286a5ebf9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49e3105019fb65ea24aed57b2fa36b5ba4119e3bdc4364354b5342dc73515d83 [INFO] running `Command { std: "docker" "start" "-a" "49e3105019fb65ea24aed57b2fa36b5ba4119e3bdc4364354b5342dc73515d83", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.0 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling sdl2 v0.31.0 [INFO] [stderr] Compiling maki8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sdl2::pixels::Color` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use sdl2::pixels::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `frame` is assigned to, but never used [INFO] [stdout] --> src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut frame = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_frame` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/cpu.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | let y = ((self.op & 0x00F0) >> 4) as usize; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | let mut value = rng.gen::(); [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: associated function is never used: `start` [INFO] [stdout] --> src/chip8.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn start(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WaitForInput` [INFO] [stdout] --> src/cpu.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | WaitForInput, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `gfx` [INFO] [stdout] --> src/cpu.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | gfx: [u8; 64 * 32], //Display buffer [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_byte` [INFO] [stdout] --> src/ram.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn read_byte(&self, i: usize) -> u8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_sdl_gl_driver` [INFO] [stdout] --> src/main.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn find_sdl_gl_driver() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `V` should have a snake case name [INFO] [stdout] --> src/cpu.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | V: [u8; 16], //V Registers [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::num::::wrapping_add` that must be used [INFO] [stdout] --> src/cpu.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | value.wrapping_add(kk); //Should this overflow? probably. [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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.54s [INFO] running `Command { std: "docker" "inspect" "49e3105019fb65ea24aed57b2fa36b5ba4119e3bdc4364354b5342dc73515d83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49e3105019fb65ea24aed57b2fa36b5ba4119e3bdc4364354b5342dc73515d83", kill_on_drop: false }` [INFO] [stdout] 49e3105019fb65ea24aed57b2fa36b5ba4119e3bdc4364354b5342dc73515d83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6829ed5ff208e44823c848d4b09196017a27fddfc23a4c4d2d8a62d0260171b9 [INFO] running `Command { std: "docker" "start" "-a" "6829ed5ff208e44823c848d4b09196017a27fddfc23a4c4d2d8a62d0260171b9", kill_on_drop: false }` [INFO] [stderr] Compiling maki8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sdl2::pixels::Color` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use sdl2::pixels::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `frame` is assigned to, but never used [INFO] [stdout] --> src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut frame = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_frame` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/cpu.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | let y = ((self.op & 0x00F0) >> 4) as usize; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | let mut value = rng.gen::(); [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: associated function is never used: `start` [INFO] [stdout] --> src/chip8.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn start(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WaitForInput` [INFO] [stdout] --> src/cpu.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | WaitForInput, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `gfx` [INFO] [stdout] --> src/cpu.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | gfx: [u8; 64 * 32], //Display buffer [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_byte` [INFO] [stdout] --> src/ram.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn read_byte(&self, i: usize) -> u8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_sdl_gl_driver` [INFO] [stdout] --> src/main.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn find_sdl_gl_driver() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `V` should have a snake case name [INFO] [stdout] --> src/cpu.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | V: [u8; 16], //V Registers [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::num::::wrapping_add` that must be used [INFO] [stdout] --> src/cpu.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | value.wrapping_add(kk); //Should this overflow? probably. [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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "6829ed5ff208e44823c848d4b09196017a27fddfc23a4c4d2d8a62d0260171b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6829ed5ff208e44823c848d4b09196017a27fddfc23a4c4d2d8a62d0260171b9", kill_on_drop: false }` [INFO] [stdout] 6829ed5ff208e44823c848d4b09196017a27fddfc23a4c4d2d8a62d0260171b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c3a1c71216d676d95a27ac33f6d435323c0e088eb6bb7ab2270500418ba2cac8 [INFO] running `Command { std: "docker" "start" "-a" "c3a1c71216d676d95a27ac33f6d435323c0e088eb6bb7ab2270500418ba2cac8", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `sdl2::pixels::Color` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 6 | use sdl2::pixels::Color; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `frame` is assigned to, but never used [INFO] [stderr] --> src/main.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | let mut frame = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_frame` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/cpu.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | let y = ((self.op & 0x00F0) >> 4) as usize; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu.rs:165:21 [INFO] [stderr] | [INFO] [stderr] 165 | let mut value = rng.gen::(); [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: associated function is never used: `start` [INFO] [stderr] --> src/chip8.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn start(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `WaitForInput` [INFO] [stderr] --> src/cpu.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | WaitForInput, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `gfx` [INFO] [stderr] --> src/cpu.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | gfx: [u8; 64 * 32], //Display buffer [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_byte` [INFO] [stderr] --> src/ram.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn read_byte(&self, i: usize) -> u8 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_sdl_gl_driver` [INFO] [stderr] --> src/main.rs:75:4 [INFO] [stderr] | [INFO] [stderr] 75 | fn find_sdl_gl_driver() -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `V` should have a snake case name [INFO] [stderr] --> src/cpu.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | V: [u8; 16], //V Registers [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::num::::wrapping_add` that must be used [INFO] [stderr] --> src/cpu.rs:167:17 [INFO] [stderr] | [INFO] [stderr] 167 | value.wrapping_add(kk); //Should this overflow? probably. [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: `maki8` (bin "maki8" test) generated 11 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maki8-79d72879b1216800) [INFO] running `Command { std: "docker" "inspect" "c3a1c71216d676d95a27ac33f6d435323c0e088eb6bb7ab2270500418ba2cac8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3a1c71216d676d95a27ac33f6d435323c0e088eb6bb7ab2270500418ba2cac8", kill_on_drop: false }` [INFO] [stdout] c3a1c71216d676d95a27ac33f6d435323c0e088eb6bb7ab2270500418ba2cac8