[INFO] cloning repository https://github.com/thomaslienbacher/Moving-Tower [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomaslienbacher/Moving-Tower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomaslienbacher%2FMoving-Tower", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomaslienbacher%2FMoving-Tower'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] adfaf169a8dc85993dd90507db9b8d702ba71f4f [INFO] testing thomaslienbacher/Moving-Tower against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomaslienbacher%2FMoving-Tower" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thomaslienbacher/Moving-Tower on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thomaslienbacher/Moving-Tower [INFO] finished tweaking git repo https://github.com/thomaslienbacher/Moving-Tower [INFO] tweaked toml for git repo https://github.com/thomaslienbacher/Moving-Tower written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/thomaslienbacher/Moving-Tower already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 447c335f30e283d063cbc12e34bc04e2d70efc7ce1f29eb75486dc26f1d1c39c [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" "447c335f30e283d063cbc12e34bc04e2d70efc7ce1f29eb75486dc26f1d1c39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "447c335f30e283d063cbc12e34bc04e2d70efc7ce1f29eb75486dc26f1d1c39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "447c335f30e283d063cbc12e34bc04e2d70efc7ce1f29eb75486dc26f1d1c39c", kill_on_drop: false }` [INFO] [stdout] 447c335f30e283d063cbc12e34bc04e2d70efc7ce1f29eb75486dc26f1d1c39c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b375bf0764b3f5ca6879c93eaee26601c72b87c248dab638529173c5820a54b9 [INFO] running `Command { std: "docker" "start" "-a" "b375bf0764b3f5ca6879c93eaee26601c72b87c248dab638529173c5820a54b9", kill_on_drop: false }` [INFO] [stderr] Compiling sfml-build v0.2.0 [INFO] [stderr] Compiling csfml-system-sys v0.4.0 [INFO] [stderr] Compiling csfml-window-sys v0.4.0 [INFO] [stderr] Compiling csfml-graphics-sys v0.4.0 [INFO] [stderr] Compiling csfml-audio-sys v0.4.0 [INFO] [stderr] Compiling sfml v0.14.0 [INFO] [stderr] Compiling moving-tower v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/utils.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | (here + "/" + path) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:27 [INFO] [stdout] | [INFO] [stdout] 55 | let mut curscene: Box = Box::new(MenuScene::new(&asset_manager, None)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:90 [INFO] [stdout] | [INFO] [stdout] 55 | let mut curscene: Box = Box::new(MenuScene::new(&asset_manager, None)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:63:84 [INFO] [stdout] | [INFO] [stdout] 63 | curscene = Box::new(MenuScene::new(&asset_manager, hs)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:66:80 [INFO] [stdout] | [INFO] [stdout] 66 | curscene = Box::new(GameScene::new(&asset_manager)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | f.write_all(format!("{}", hs).as_bytes()); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | f.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:168:25 [INFO] [stdout] | [INFO] [stdout] 168 | f.write(format!("{}", hs).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:169:25 [INFO] [stdout] | [INFO] [stdout] 169 | f.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.93s [INFO] running `Command { std: "docker" "inspect" "b375bf0764b3f5ca6879c93eaee26601c72b87c248dab638529173c5820a54b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b375bf0764b3f5ca6879c93eaee26601c72b87c248dab638529173c5820a54b9", kill_on_drop: false }` [INFO] [stdout] b375bf0764b3f5ca6879c93eaee26601c72b87c248dab638529173c5820a54b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a773578e91d65c3a46b04a36612fb20158ff94bddb10708d39548d616b06e3d7 [INFO] running `Command { std: "docker" "start" "-a" "a773578e91d65c3a46b04a36612fb20158ff94bddb10708d39548d616b06e3d7", kill_on_drop: false }` [INFO] [stderr] Compiling moving-tower v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/utils.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | (here + "/" + path) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:27 [INFO] [stdout] | [INFO] [stdout] 55 | let mut curscene: Box = Box::new(MenuScene::new(&asset_manager, None)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:55:90 [INFO] [stdout] | [INFO] [stdout] 55 | let mut curscene: Box = Box::new(MenuScene::new(&asset_manager, None)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:63:84 [INFO] [stdout] | [INFO] [stdout] 63 | curscene = Box::new(MenuScene::new(&asset_manager, hs)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:66:80 [INFO] [stdout] | [INFO] [stdout] 66 | curscene = Box::new(GameScene::new(&asset_manager)) as Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Scene` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | f.write_all(format!("{}", hs).as_bytes()); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | f.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:168:25 [INFO] [stdout] | [INFO] [stdout] 168 | f.write(format!("{}", hs).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scenes.rs:169:25 [INFO] [stdout] | [INFO] [stdout] 169 | f.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `Command { std: "docker" "inspect" "a773578e91d65c3a46b04a36612fb20158ff94bddb10708d39548d616b06e3d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a773578e91d65c3a46b04a36612fb20158ff94bddb10708d39548d616b06e3d7", kill_on_drop: false }` [INFO] [stdout] a773578e91d65c3a46b04a36612fb20158ff94bddb10708d39548d616b06e3d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7413df47ec340cd92a97e1a77b24f24095597c340277bb96a9595e242c0f9a2e [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" "7413df47ec340cd92a97e1a77b24f24095597c340277bb96a9595e242c0f9a2e", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/utils.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | (here + "/" + path) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:55:27 [INFO] [stderr] | [INFO] [stderr] 55 | let mut curscene: Box = Box::new(MenuScene::new(&asset_manager, None)) as Box; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Scene` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:55:90 [INFO] [stderr] | [INFO] [stderr] 55 | let mut curscene: Box = Box::new(MenuScene::new(&asset_manager, None)) as Box; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Scene` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:63:84 [INFO] [stderr] | [INFO] [stderr] 63 | curscene = Box::new(MenuScene::new(&asset_manager, hs)) as Box; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Scene` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:66:80 [INFO] [stderr] | [INFO] [stderr] 66 | curscene = Box::new(GameScene::new(&asset_manager)) as Box; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Scene` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/scenes.rs:160:13 [INFO] [stderr] | [INFO] [stderr] 160 | f.write_all(format!("{}", hs).as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/scenes.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | f.flush(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/scenes.rs:168:25 [INFO] [stderr] | [INFO] [stderr] 168 | f.write(format!("{}", hs).as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/scenes.rs:169:25 [INFO] [stderr] | [INFO] [stderr] 169 | f.flush(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `moving-tower` (bin "moving-tower" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/moving_tower-385db5c7a6816f9e) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7413df47ec340cd92a97e1a77b24f24095597c340277bb96a9595e242c0f9a2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7413df47ec340cd92a97e1a77b24f24095597c340277bb96a9595e242c0f9a2e", kill_on_drop: false }` [INFO] [stdout] 7413df47ec340cd92a97e1a77b24f24095597c340277bb96a9595e242c0f9a2e