[INFO] fetching crate chip8 0.1.1... [INFO] checking chip8-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate chip8 0.1.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate chip8 0.1.1 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chip8 0.1.1 [INFO] finished tweaking crates.io crate chip8 0.1.1 [INFO] tweaked toml for crates.io crate chip8 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding bitflags v0.7.0 (latest: v2.6.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.5.0) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.3) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding sdl2 v0.27.3 (latest: v0.37.0) [INFO] [stderr] Adding sdl2-sys v0.27.3 (latest: v0.37.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c6d96e551ce6b36852581437aa0f5c351dea99c4a6816f7dd117145174b6e73 [INFO] running `Command { std: "docker" "start" "-a" "2c6d96e551ce6b36852581437aa0f5c351dea99c4a6816f7dd117145174b6e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c6d96e551ce6b36852581437aa0f5c351dea99c4a6816f7dd117145174b6e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c6d96e551ce6b36852581437aa0f5c351dea99c4a6816f7dd117145174b6e73", kill_on_drop: false }` [INFO] [stdout] 2c6d96e551ce6b36852581437aa0f5c351dea99c4a6816f7dd117145174b6e73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b310a5959e7de7d24a41c28051e83442d2bf30d3b12fd6010570118338443b5c [INFO] running `Command { std: "docker" "start" "-a" "b310a5959e7de7d24a41c28051e83442d2bf30d3b12fd6010570118338443b5c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling sdl2-sys v0.27.3 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking chip8 v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:27:28 [INFO] [stdout] | [INFO] [stdout] 27 | fn nnn(&self) -> u16 { (self.0 & 0x0fff) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 27 - fn nnn(&self) -> u16 { (self.0 & 0x0fff) } [INFO] [stdout] 27 + fn nnn(&self) -> u16 { self.0 & 0x0fff } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking sdl2 v0.27.3 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:27:28 [INFO] [stdout] | [INFO] [stdout] 27 | fn nnn(&self) -> u16 { (self.0 & 0x0fff) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 27 - fn nnn(&self) -> u16 { (self.0 & 0x0fff) } [INFO] [stdout] 27 + fn nnn(&self) -> u16 { self.0 & 0x0fff } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/sdl.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 32 | let sdl_context = sdl2::init().unwrap(); [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 33 | let video_subsystem = sdl_context.video().unwrap(); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 34 | [INFO] [stdout] 35 | let window = video_subsystem.window("SDL frontend", 768, 384) [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | renderer: window.renderer().build().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chip8` (example "sdl") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b310a5959e7de7d24a41c28051e83442d2bf30d3b12fd6010570118338443b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b310a5959e7de7d24a41c28051e83442d2bf30d3b12fd6010570118338443b5c", kill_on_drop: false }` [INFO] [stdout] b310a5959e7de7d24a41c28051e83442d2bf30d3b12fd6010570118338443b5c