[INFO] cloning repository https://github.com/Direnol/Simplex-Method [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Direnol/Simplex-Method" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirenol%2FSimplex-Method", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirenol%2FSimplex-Method'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91ee756515c4e946fc1cd49edbdaf9fd10c3aaec [INFO] checking Direnol/Simplex-Method/91ee756515c4e946fc1cd49edbdaf9fd10c3aaec 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%2FDirenol%2FSimplex-Method" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Direnol/Simplex-Method 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/Direnol/Simplex-Method [INFO] finished tweaking git repo https://github.com/Direnol/Simplex-Method [INFO] tweaked toml for git repo https://github.com/Direnol/Simplex-Method written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Direnol/Simplex-Method 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] [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 546bd77b07145869f9fbfbe22cafd907590407c11b26d384f3caddddd8463620 [INFO] running `Command { std: "docker" "start" "-a" "546bd77b07145869f9fbfbe22cafd907590407c11b26d384f3caddddd8463620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "546bd77b07145869f9fbfbe22cafd907590407c11b26d384f3caddddd8463620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "546bd77b07145869f9fbfbe22cafd907590407c11b26d384f3caddddd8463620", kill_on_drop: false }` [INFO] [stdout] 546bd77b07145869f9fbfbe22cafd907590407c11b26d384f3caddddd8463620 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2de44491a6229ee5127a530aaaad54ba434ee30567db3149277e13bd946b4bc7 [INFO] running `Command { std: "docker" "start" "-a" "2de44491a6229ee5127a530aaaad54ba434ee30567db3149277e13bd946b4bc7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.9 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking rsimpl v0.1.0 (/opt/rustwide/workdir) [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/simplex/mod.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn load(f: File) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | let mut matrix: Box>> = Box::new(Vec::with_capacity(count_all_vars)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 76 | Ok(Simplex { [INFO] [stdout] | ________^ [INFO] [stdout] 77 | | mat: matrix, [INFO] [stdout] 78 | | action: SimplexMethod::new(&conf.method), [INFO] [stdout] 79 | | res: Box::new(res), [INFO] [stdout] ... | [INFO] [stdout] 82 | | names: Box::new(names), [INFO] [stdout] 83 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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 `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | ::std::io::stdin().read(&mut buf); [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] 165 | let _ = ::std::io::stdin().read(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k); [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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | write!(f, "X: {: ^6}", 'z'); [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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:196:13 [INFO] [stdout] | [INFO] [stdout] 196 | write!(f, "{:^8}", format!("x{}", i)); [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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | writeln!(f, " | {: ^5}", "res"); [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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:201:13 [INFO] [stdout] | [INFO] [stdout] 201 | / writeln!( [INFO] [stdout] 202 | | f, [INFO] [stdout] 203 | | "{}: {:>6.3?} | {:.3}", [INFO] [stdout] 204 | | self.names.get(row).or(Some(&zero)).unwrap(), [INFO] [stdout] 205 | | v.0, [INFO] [stdout] 206 | | v.1 [INFO] [stdout] 207 | | ); [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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [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/simplex/mod.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn load(f: File) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | let mut matrix: Box>> = Box::new(Vec::with_capacity(count_all_vars)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 76 | Ok(Simplex { [INFO] [stdout] | ________^ [INFO] [stdout] 77 | | mat: matrix, [INFO] [stdout] 78 | | action: SimplexMethod::new(&conf.method), [INFO] [stdout] 79 | | res: Box::new(res), [INFO] [stdout] ... | [INFO] [stdout] 82 | | names: Box::new(names), [INFO] [stdout] 83 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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 `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | ::std::io::stdin().read(&mut buf); [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] 165 | let _ = ::std::io::stdin().read(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k); [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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | write!(f, "X: {: ^6}", 'z'); [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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:196:13 [INFO] [stdout] | [INFO] [stdout] 196 | write!(f, "{:^8}", format!("x{}", i)); [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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | writeln!(f, " | {: ^5}", "res"); [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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simplex/structs.rs:201:13 [INFO] [stdout] | [INFO] [stdout] 201 | / writeln!( [INFO] [stdout] 202 | | f, [INFO] [stdout] 203 | | "{}: {:>6.3?} | {:.3}", [INFO] [stdout] 204 | | self.names.get(row).or(Some(&zero)).unwrap(), [INFO] [stdout] 205 | | v.0, [INFO] [stdout] 206 | | v.1 [INFO] [stdout] 207 | | ); [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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsimpl` (lib test) due to 2 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsimpl` (lib) due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2de44491a6229ee5127a530aaaad54ba434ee30567db3149277e13bd946b4bc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2de44491a6229ee5127a530aaaad54ba434ee30567db3149277e13bd946b4bc7", kill_on_drop: false }` [INFO] [stdout] 2de44491a6229ee5127a530aaaad54ba434ee30567db3149277e13bd946b4bc7