[INFO] fetching crate stdg 0.2.0... [INFO] checking stdg-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate stdg 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate stdg 0.2.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate stdg 0.2.0 [INFO] finished tweaking crates.io crate stdg 0.2.0 [INFO] tweaked toml for crates.io crate stdg 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate stdg 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded core-foundation v0.6.4 [INFO] [stderr] Downloaded servo-fontconfig v0.4.0 [INFO] [stderr] Downloaded lyon_geom v0.14.1 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded sdl2 v0.32.2 [INFO] [stderr] Downloaded x11-dl v2.18.4 [INFO] [stderr] Downloaded synstructure v0.12.2 [INFO] [stderr] Downloaded core-foundation-sys v0.6.2 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded blake2b_simd v0.5.9 [INFO] [stderr] Downloaded redox_users v0.3.1 [INFO] [stderr] Downloaded rust-argon2 v0.5.1 [INFO] [stderr] Downloaded dwrote v0.9.0 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded core-graphics v0.17.3 [INFO] [stderr] Downloaded constant_time_eq v0.1.4 [INFO] [stderr] Downloaded sdl2-sys v0.32.6 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded same-file v1.0.5 [INFO] [stderr] Downloaded orbclient v0.3.27 [INFO] [stderr] Downloaded typed-arena v1.7.0 [INFO] [stderr] Downloaded cc v1.0.47 [INFO] [stderr] Downloaded sw-composite v0.7.2 [INFO] [stderr] Downloaded expat-sys v2.1.6 [INFO] [stderr] Downloaded font-kit v0.4.0 [INFO] [stderr] Downloaded core-text v13.3.2 [INFO] [stderr] Downloaded servo-fontconfig-sys v4.0.7 [INFO] [stderr] Downloaded euclid v0.20.3 [INFO] [stderr] Downloaded float-ord v0.2.0 [INFO] [stderr] Downloaded cmake v0.1.42 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded lyon_path v0.14.0 [INFO] [stderr] Downloaded minifb v0.13.0 [INFO] [stderr] Downloaded walkdir v2.2.9 [INFO] [stderr] Downloaded servo-freetype-sys v4.0.5 [INFO] [stderr] Downloaded freetype v0.4.1 [INFO] [stderr] Downloaded raqote v0.7.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3054a2fd6d32c0b8ec83eac036be27881766b1291bcb979dd20adc9f968278e1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3054a2fd6d32c0b8ec83eac036be27881766b1291bcb979dd20adc9f968278e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3054a2fd6d32c0b8ec83eac036be27881766b1291bcb979dd20adc9f968278e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3054a2fd6d32c0b8ec83eac036be27881766b1291bcb979dd20adc9f968278e1", kill_on_drop: false }` [INFO] [stdout] 3054a2fd6d32c0b8ec83eac036be27881766b1291bcb979dd20adc9f968278e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fda362e92bd96f389a68c7609b8c914fab886e6c7994ad0e59dfc0b1cf7417ed [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fda362e92bd96f389a68c7609b8c914fab886e6c7994ad0e59dfc0b1cf7417ed", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Checking typed-arena v1.7.0 [INFO] [stderr] Checking sw-composite v0.7.2 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.7 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Compiling minifb v0.13.0 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking freetype v0.4.1 [INFO] [stderr] Checking servo-fontconfig v0.4.0 [INFO] [stderr] Checking euclid v0.20.3 [INFO] [stderr] Checking lyon_geom v0.14.1 [INFO] [stderr] Checking lyon_path v0.14.0 [INFO] [stderr] Checking font-kit v0.4.0 [INFO] [stderr] Checking raqote v0.7.5 [INFO] [stderr] Checking stdg v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:305:29 [INFO] [stdout] | [INFO] [stdout] 305 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for mouse x position to be printed to it"), "{}", window.get_mouse_pos(MouseMode::Pass).expect("failed to get x position of mouse").0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:309:29 [INFO] [stdout] | [INFO] [stdout] 309 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for mouse y position to be printed to it"), "{}", window.get_mouse_pos(MouseMode::Pass).expect("failed to get y position of mouse").1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:370:29 [INFO] [stdout] | [INFO] [stdout] 370 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for keys pressed to be printed to it"), "{}", output); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:437:33 [INFO] [stdout] | [INFO] [stdout] 437 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is mouse pressed?\" to be printed to it"), "{}", window.get_mouse_down(MouseButton::Left)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:441:33 [INFO] [stdout] | [INFO] [stdout] 441 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is mouse pressed?\" to be printed to it"), "{}", window.get_mouse_down(MouseButton::Middle)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:445:33 [INFO] [stdout] | [INFO] [stdout] 445 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is mouse pressed?\" to be printed to it"), "{}", window.get_mouse_down(MouseButton::Right)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:453:29 [INFO] [stdout] | [INFO] [stdout] 453 | / ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is key pressed?\" to be pri... [INFO] [stdout] 454 | | ... "0" => Key::Key0, [INFO] [stdout] 455 | | ... "1" => Key::Key1, [INFO] [stdout] 456 | | ... "2" => Key::Key2, [INFO] [stdout] ... | [INFO] [stdout] 502 | | ... _ => panic!("unsupported key used") [INFO] [stdout] 503 | | ... })); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:305:29 [INFO] [stdout] | [INFO] [stdout] 305 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for mouse x position to be printed to it"), "{}", window.get_mouse_pos(MouseMode::Pass).expect("failed to get x position of mouse").0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:309:29 [INFO] [stdout] | [INFO] [stdout] 309 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for mouse y position to be printed to it"), "{}", window.get_mouse_pos(MouseMode::Pass).expect("failed to get y position of mouse").1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:370:29 [INFO] [stdout] | [INFO] [stdout] 370 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for keys pressed to be printed to it"), "{}", output); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:437:33 [INFO] [stdout] | [INFO] [stdout] 437 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is mouse pressed?\" to be printed to it"), "{}", window.get_mouse_down(MouseButton::Left)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:441:33 [INFO] [stdout] | [INFO] [stdout] 441 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is mouse pressed?\" to be printed to it"), "{}", window.get_mouse_down(MouseButton::Middle)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:445:33 [INFO] [stdout] | [INFO] [stdout] 445 | ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is mouse pressed?\" to be printed to it"), "{}", window.get_mouse_down(MouseButton::Right)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:453:29 [INFO] [stdout] | [INFO] [stdout] 453 | / ... writeln!(process_in.as_mut().expect("process must be passed as argument to stdg for boolean answer to \"is key pressed?\" to be pri... [INFO] [stdout] 454 | | ... "0" => Key::Key0, [INFO] [stdout] 455 | | ... "1" => Key::Key1, [INFO] [stdout] 456 | | ... "2" => Key::Key2, [INFO] [stdout] ... | [INFO] [stdout] 502 | | ... _ => panic!("unsupported key used") [INFO] [stdout] 503 | | ... })); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.15s [INFO] running `Command { std: "docker" "inspect" "fda362e92bd96f389a68c7609b8c914fab886e6c7994ad0e59dfc0b1cf7417ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fda362e92bd96f389a68c7609b8c914fab886e6c7994ad0e59dfc0b1cf7417ed", kill_on_drop: false }` [INFO] [stdout] fda362e92bd96f389a68c7609b8c914fab886e6c7994ad0e59dfc0b1cf7417ed