[INFO] cloning repository https://github.com/Skepar/lychen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Skepar/lychen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkepar%2Flychen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkepar%2Flychen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6fc30e9420df018d9fd1e4f7a5eedb9af175f190 [INFO] building Skepar/lychen against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkepar%2Flychen" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Skepar/lychen on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Skepar/lychen [INFO] finished tweaking git repo https://github.com/Skepar/lychen [INFO] tweaked toml for git repo https://github.com/Skepar/lychen written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Skepar/lychen 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 926246a378364237cae167b514bf13357dc958f4f1660cffee68d458dc238e3d [INFO] running `Command { std: "docker" "start" "-a" "926246a378364237cae167b514bf13357dc958f4f1660cffee68d458dc238e3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "926246a378364237cae167b514bf13357dc958f4f1660cffee68d458dc238e3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "926246a378364237cae167b514bf13357dc958f4f1660cffee68d458dc238e3d", kill_on_drop: false }` [INFO] [stdout] 926246a378364237cae167b514bf13357dc958f4f1660cffee68d458dc238e3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5ccccf581d90d56f2251beae1327d0458708cf3fb82bdd31bc2d6ca9e2f4942 [INFO] running `Command { std: "docker" "start" "-a" "a5ccccf581d90d56f2251beae1327d0458708cf3fb82bdd31bc2d6ca9e2f4942", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling automata v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/main.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 11 | let sdl = sdl2::init().expect("Failed to initialize SDL2."); [INFO] [stdout] | --- [INFO] [stdout] | | [INFO] [stdout] | `sdl` calls a custom destructor [INFO] [stdout] | `sdl` will be dropped later as of Edition 2024 [INFO] [stdout] 12 | let events = sdl.event_pump().expect("Failed to create the event pump."); [INFO] [stdout] 13 | let video_subsystem = sdl.video().expect("Failed to initialize video subsystem."); [INFO] [stdout] | --------------- [INFO] [stdout] | | [INFO] [stdout] | `video_subsystem` calls a custom destructor [INFO] [stdout] | `video_subsystem` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 24 | match app::App::new(settings, window, events) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 28 | }, [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sdl2-0.32.2/src/sdl2/sdl.rs:284:1 [INFO] [stdout] | [INFO] [stdout] 284 | impl Drop for EventPump { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sdl2-0.32.2/src/sdl2/render.rs:199:1 [INFO] [stdout] | [INFO] [stdout] 199 | impl Drop for RendererContext { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sdl2-0.32.2/src/sdl2/video.rs:519:1 [INFO] [stdout] | [INFO] [stdout] 519 | impl Drop for WindowContext { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `sdl` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sdl2-0.32.2/src/sdl2/sdl.rs:143:1 [INFO] [stdout] | [INFO] [stdout] 143 | impl Drop for SdlDrop { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `video_subsystem` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sdl2-0.32.2/src/sdl2/sdl.rs:233:1 [INFO] [stdout] | [INFO] [stdout] 233 | impl Drop for SubsystemDrop { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:26:35 [INFO] [stdout] | [INFO] [stdout] 26 | Err(e) => panic!(e) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 26 | Err(e) => panic!("{}", e) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/app/ui.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | / self.canvas.fill_rect(Rect::new( [INFO] [stdout] 66 | | self.to_screen_space(x), [INFO] [stdout] 67 | | self.to_screen_space(y), [INFO] [stdout] 68 | | self.unit, [INFO] [stdout] 69 | | self.unit [INFO] [stdout] 70 | | )); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = self.canvas.fill_rect(Rect::new( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `automata` (bin "automata") due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a5ccccf581d90d56f2251beae1327d0458708cf3fb82bdd31bc2d6ca9e2f4942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5ccccf581d90d56f2251beae1327d0458708cf3fb82bdd31bc2d6ca9e2f4942", kill_on_drop: false }` [INFO] [stdout] a5ccccf581d90d56f2251beae1327d0458708cf3fb82bdd31bc2d6ca9e2f4942