[INFO] cloning repository https://github.com/Cramblioni/nikgwner [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cramblioni/nikgwner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCramblioni%2Fnikgwner", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCramblioni%2Fnikgwner'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b11ccf762a6d07befe326e0c162358f20acef61 [INFO] checking Cramblioni/nikgwner/3b11ccf762a6d07befe326e0c162358f20acef61 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCramblioni%2Fnikgwner" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cramblioni/nikgwner 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 git repo https://github.com/Cramblioni/nikgwner [INFO] finished tweaking git repo https://github.com/Cramblioni/nikgwner [INFO] tweaked toml for git repo https://github.com/Cramblioni/nikgwner written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Cramblioni/nikgwner 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 092a573947b950cec31e141bee5e3d9b475c5c5991be7fef5a4a4b8cf488ac0f [INFO] running `Command { std: "docker" "start" "-a" "092a573947b950cec31e141bee5e3d9b475c5c5991be7fef5a4a4b8cf488ac0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "092a573947b950cec31e141bee5e3d9b475c5c5991be7fef5a4a4b8cf488ac0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "092a573947b950cec31e141bee5e3d9b475c5c5991be7fef5a4a4b8cf488ac0f", kill_on_drop: false }` [INFO] [stdout] 092a573947b950cec31e141bee5e3d9b475c5c5991be7fef5a4a4b8cf488ac0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f10cc02d9b4b4db09b57b4ec46a212db02f9b383747636356f080e705ab89896 [INFO] running `Command { std: "docker" "start" "-a" "f10cc02d9b4b4db09b57b4ec46a212db02f9b383747636356f080e705ab89896", kill_on_drop: false }` [INFO] [stderr] Checking nikgwner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:194:61 [INFO] [stdout] | [INFO] [stdout] 194 | CursMove::Up => self.get_prior(sel).and_then(|x| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `bound` is never used [INFO] [stdout] --> src/main.rs:165:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl TodoItem { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 165 | fn bound(&self, sel: &Selection) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VecRead` is never constructed [INFO] [stdout] --> src/main.rs:466:8 [INFO] [stdout] | [INFO] [stdout] 466 | struct VecRead(Vec, usize); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:467:25 [INFO] [stdout] | [INFO] [stdout] 467 | impl VecRead { fn new(inp: Vec) -> Self { VecRead(inp, 0) } } [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | associated function in this implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `stopi` is never used [INFO] [stdout] --> src/llywterf.rs:127:12 [INFO] [stdout] | [INFO] [stdout] 98 | impl<'a, O: Write + AsRawFd, I: Read + AsRawFd> Newidiad<'a, O, I> { [INFO] [stdout] | ------------------------------------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 127 | pub fn stopi(&mut self, value: bool) -> &mut Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `VMIN` is never used [INFO] [stdout] --> src/llywterf.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | pub const VMIN: usize = 6; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:408:9 [INFO] [stdout] | [INFO] [stdout] 408 | (self.len() as u8).arbed(allbwn); [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] 408 | let _ = (self.len() as u8).arbed(allbwn); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:409:25 [INFO] [stdout] | [INFO] [stdout] 409 | for i in self { i.arbed(allbwn); } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 409 | for i in self { let _ = i.arbed(allbwn); } [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] --> src/llywterf.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn newidd(allan: O, mewn: I) -> io::Result { [INFO] [stdout] | -------- ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | let mut temp = MaybeUninit::::uninit(); [INFO] [stdout] 40 | match io_result(unsafe { tcgetattr(allan.as_raw_fd(), temp.as_mut_ptr()) }) { [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] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:194:61 [INFO] [stdout] | [INFO] [stdout] 194 | CursMove::Up => self.get_prior(sel).and_then(|x| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nikgwner` (bin "nikgwner" test) due to 2 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `bound` is never used [INFO] [stdout] --> src/main.rs:165:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl TodoItem { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 165 | fn bound(&self, sel: &Selection) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VecRead` is never constructed [INFO] [stdout] --> src/main.rs:466:8 [INFO] [stdout] | [INFO] [stdout] 466 | struct VecRead(Vec, usize); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:467:25 [INFO] [stdout] | [INFO] [stdout] 467 | impl VecRead { fn new(inp: Vec) -> Self { VecRead(inp, 0) } } [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | associated function in this implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `stopi` is never used [INFO] [stdout] --> src/llywterf.rs:127:12 [INFO] [stdout] | [INFO] [stdout] 98 | impl<'a, O: Write + AsRawFd, I: Read + AsRawFd> Newidiad<'a, O, I> { [INFO] [stdout] | ------------------------------------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 127 | pub fn stopi(&mut self, value: bool) -> &mut Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `VMIN` is never used [INFO] [stdout] --> src/llywterf.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | pub const VMIN: usize = 6; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:408:9 [INFO] [stdout] | [INFO] [stdout] 408 | (self.len() as u8).arbed(allbwn); [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] 408 | let _ = (self.len() as u8).arbed(allbwn); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:409:25 [INFO] [stdout] | [INFO] [stdout] 409 | for i in self { i.arbed(allbwn); } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 409 | for i in self { let _ = i.arbed(allbwn); } [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] --> src/llywterf.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn newidd(allan: O, mewn: I) -> io::Result { [INFO] [stdout] | -------- ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | let mut temp = MaybeUninit::::uninit(); [INFO] [stdout] 40 | match io_result(unsafe { tcgetattr(allan.as_raw_fd(), temp.as_mut_ptr()) }) { [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; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nikgwner` (bin "nikgwner") due to 2 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f10cc02d9b4b4db09b57b4ec46a212db02f9b383747636356f080e705ab89896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f10cc02d9b4b4db09b57b4ec46a212db02f9b383747636356f080e705ab89896", kill_on_drop: false }` [INFO] [stdout] f10cc02d9b4b4db09b57b4ec46a212db02f9b383747636356f080e705ab89896