[INFO] cloning repository https://github.com/usbalbin/liquid_sim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/usbalbin/liquid_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusbalbin%2Fliquid_sim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusbalbin%2Fliquid_sim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7c3e23772460763530bd0eada322720d2c19aff [INFO] checking usbalbin/liquid_sim against master#a299aa5df79dd8e5a1405b97ddd7b367b61eecc6 for pr-125923-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusbalbin%2Fliquid_sim" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/usbalbin/liquid_sim on toolchain a299aa5df79dd8e5a1405b97ddd7b367b61eecc6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/usbalbin/liquid_sim [INFO] finished tweaking git repo https://github.com/usbalbin/liquid_sim [INFO] tweaked toml for git repo https://github.com/usbalbin/liquid_sim written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/usbalbin/liquid_sim 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" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded smallvec v0.4.4 [INFO] [stderr] Downloaded wayland-window v0.13.2 [INFO] [stderr] Downloaded wayland-sys v0.9.10 [INFO] [stderr] Downloaded dwmapi-sys v0.1.1 [INFO] [stderr] Downloaded wayland-sys v0.12.5 [INFO] [stderr] Downloaded glutin v0.11.0 [INFO] [stderr] Downloaded backtrace v0.3.5 [INFO] [stderr] Downloaded gleam v0.4.18 [INFO] [stderr] Downloaded cfg-if v0.1.2 [INFO] [stderr] Downloaded log v0.4.1 [INFO] [stderr] Downloaded gdi32-sys v0.1.2 [INFO] [stderr] Downloaded cc v1.0.4 [INFO] [stderr] Downloaded cocoa v0.9.2 [INFO] [stderr] Downloaded xml-rs v0.6.1 [INFO] [stderr] Downloaded backtrace-sys v0.1.16 [INFO] [stderr] Downloaded khronos_api v2.0.0 [INFO] [stderr] Downloaded rand v0.3.20 [INFO] [stderr] Downloaded wayland-protocols v0.12.5 [INFO] [stderr] Downloaded winapi v0.3.3 [INFO] [stderr] Downloaded glium v0.19.0 [INFO] [stderr] Downloaded libc v0.2.36 [INFO] [stderr] Downloaded wayland-client v0.9.10 [INFO] [stderr] Downloaded wayland-kbd v0.13.1 [INFO] [stderr] Downloaded dtoa v0.4.2 [INFO] [stderr] Downloaded winit v0.9.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.5 [INFO] [stderr] Downloaded gl_generator v0.8.0 [INFO] [stderr] Downloaded core-foundation v0.3.0 [INFO] [stderr] Downloaded num-traits v0.1.41 [INFO] [stderr] Downloaded redox_syscall v0.1.37 [INFO] [stderr] Downloaded bitflags v1.0.1 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded gl_generator v0.7.0 [INFO] [stderr] Downloaded wayland-scanner v0.12.5 [INFO] [stderr] Downloaded core-foundation-sys v0.4.6 [INFO] [stderr] Downloaded core-graphics v0.10.0 [INFO] [stderr] Downloaded wayland-client v0.12.5 [INFO] [stderr] Downloaded xml-rs v0.7.0 [INFO] [stderr] Downloaded itoa v0.3.4 [INFO] [stderr] Downloaded shell32-sys v0.1.2 [INFO] [stderr] Downloaded dlib v0.4.0 [INFO] [stderr] Downloaded cgl v0.2.1 [INFO] [stderr] Downloaded core-foundation-sys v0.3.1 [INFO] [stderr] Downloaded core-graphics v0.8.2 [INFO] [stderr] Downloaded shared_library v0.1.8 [INFO] [stderr] Downloaded wayland-scanner v0.9.10 [INFO] [stderr] Downloaded cocoa v0.11.0 [INFO] [stderr] Downloaded core-foundation v0.4.6 [INFO] [stderr] Downloaded user32-sys v0.1.3 [INFO] [stderr] Downloaded memmap v0.6.2 [INFO] [stderr] Downloaded tempfile v2.2.0 [INFO] [stderr] Downloaded token_store v0.1.2 [INFO] [stderr] Downloaded libloading v0.4.3 [INFO] [stderr] Downloaded x11-dl v2.17.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30ada5119ebedec646fbdefe84bcc31af9ed002b7a65f87d43adf6979b6992f1 [INFO] running `Command { std: "docker" "start" "-a" "30ada5119ebedec646fbdefe84bcc31af9ed002b7a65f87d43adf6979b6992f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30ada5119ebedec646fbdefe84bcc31af9ed002b7a65f87d43adf6979b6992f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30ada5119ebedec646fbdefe84bcc31af9ed002b7a65f87d43adf6979b6992f1", kill_on_drop: false }` [INFO] [stdout] 30ada5119ebedec646fbdefe84bcc31af9ed002b7a65f87d43adf6979b6992f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a299aa5df79dd8e5a1405b97ddd7b367b61eecc6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ce2b4f579df889fa9dc4fc7835e6ce9b3c40f53ab7b9ea0ee953790b0dc99c8 [INFO] running `Command { std: "docker" "start" "-a" "8ce2b4f579df889fa9dc4fc7835e6ce9b3c40f53ab7b9ea0ee953790b0dc99c8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling serde v0.9.15 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling khronos_api v2.0.0 [INFO] [stderr] Checking token_store v0.1.2 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling xml-rs v0.6.1 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking smallvec v0.4.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Checking dlib v0.4.0 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Compiling x11-dl v2.17.2 [INFO] [stderr] Checking rand v0.3.20 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking shared_library v0.1.8 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling wayland-scanner v0.9.10 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling wayland-scanner v0.12.5 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling glutin v0.11.0 [INFO] [stderr] Compiling glium v0.19.0 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Checking wayland-kbd v0.13.1 [INFO] [stderr] Checking wayland-window v0.13.2 [INFO] [stderr] Checking winit v0.9.0 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] error: could not compile `target_build_utils` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/a299aa5df79dd8e5a1405b97ddd7b367b61eecc6/bin/rustc --crate-name target_build_utils --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/target_build_utils-0.3.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="serde_json"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("default", "serde_json"))' -C metadata=379e96b8b506461d -C extra-filename=-379e96b8b506461d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern phf=/opt/rustwide/target/debug/deps/libphf-4a42bd69d611b0e7.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9c0590ddfdd3306c.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "8ce2b4f579df889fa9dc4fc7835e6ce9b3c40f53ab7b9ea0ee953790b0dc99c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ce2b4f579df889fa9dc4fc7835e6ce9b3c40f53ab7b9ea0ee953790b0dc99c8", kill_on_drop: false }` [INFO] [stdout] 8ce2b4f579df889fa9dc4fc7835e6ce9b3c40f53ab7b9ea0ee953790b0dc99c8 [INFO] checking usbalbin/liquid_sim against try#8585d8c57bfa6d7d66340412e06b5611fa79cc61 for pr-125923-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusbalbin%2Fliquid_sim" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/usbalbin/liquid_sim on toolchain 8585d8c57bfa6d7d66340412e06b5611fa79cc61 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/usbalbin/liquid_sim [INFO] finished tweaking git repo https://github.com/usbalbin/liquid_sim [INFO] tweaked toml for git repo https://github.com/usbalbin/liquid_sim written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/usbalbin/liquid_sim 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" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c821fe510c6edeaca3f217f5b14db1edbe9c0f79fe702ee7812c3d349c8acad [INFO] running `Command { std: "docker" "start" "-a" "7c821fe510c6edeaca3f217f5b14db1edbe9c0f79fe702ee7812c3d349c8acad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c821fe510c6edeaca3f217f5b14db1edbe9c0f79fe702ee7812c3d349c8acad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c821fe510c6edeaca3f217f5b14db1edbe9c0f79fe702ee7812c3d349c8acad", kill_on_drop: false }` [INFO] [stdout] 7c821fe510c6edeaca3f217f5b14db1edbe9c0f79fe702ee7812c3d349c8acad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8585d8c57bfa6d7d66340412e06b5611fa79cc61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bbd37de08e3c47b75d7885bb83eb40723f67b674fdc59f572accfd49f28e443 [INFO] running `Command { std: "docker" "start" "-a" "8bbd37de08e3c47b75d7885bb83eb40723f67b674fdc59f572accfd49f28e443", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling serde v0.9.15 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling khronos_api v2.0.0 [INFO] [stderr] Checking token_store v0.1.2 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling xml-rs v0.6.1 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Checking smallvec v0.4.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Checking dlib v0.4.0 [INFO] [stderr] Compiling x11-dl v2.17.2 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Compiling rand v0.3.20 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking shared_library v0.1.8 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling wayland-scanner v0.9.10 [INFO] [stderr] Compiling wayland-scanner v0.12.5 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Compiling glutin v0.11.0 [INFO] [stderr] Compiling glium v0.19.0 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Checking wayland-kbd v0.13.1 [INFO] [stderr] Checking wayland-window v0.13.2 [INFO] [stderr] Checking winit v0.9.0 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.9.10 [INFO] [stderr] Checking liquid_sim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let r = to_u8(128.0 + f.0); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let g = to_u8(128.0 + f.1); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let r = to_u8(128.0 + f.0); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let g = to_u8(128.0 + f.1); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neg` is never used [INFO] [stdout] --> src/main.rs:266:4 [INFO] [stdout] | [INFO] [stdout] 266 | fn neg(a: &(f32, f32)) -> (f32, f32) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neg` is never used [INFO] [stdout] --> src/main.rs:266:4 [INFO] [stdout] | [INFO] [stdout] 266 | fn neg(a: &(f32, f32)) -> (f32, f32) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.71s [INFO] running `Command { std: "docker" "inspect" "8bbd37de08e3c47b75d7885bb83eb40723f67b674fdc59f572accfd49f28e443", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bbd37de08e3c47b75d7885bb83eb40723f67b674fdc59f572accfd49f28e443", kill_on_drop: false }` [INFO] [stdout] 8bbd37de08e3c47b75d7885bb83eb40723f67b674fdc59f572accfd49f28e443