[INFO] cloning repository https://github.com/KrzysztofMularski/math_equation_transformer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KrzysztofMularski/math_equation_transformer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrzysztofMularski%2Fmath_equation_transformer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrzysztofMularski%2Fmath_equation_transformer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e49e9522d0d3336ca6e11a63266aff6a3db4ede0 [INFO] checking KrzysztofMularski/math_equation_transformer/e49e9522d0d3336ca6e11a63266aff6a3db4ede0 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%2FKrzysztofMularski%2Fmath_equation_transformer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KrzysztofMularski/math_equation_transformer 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/KrzysztofMularski/math_equation_transformer [INFO] finished tweaking git repo https://github.com/KrzysztofMularski/math_equation_transformer [INFO] tweaked toml for git repo https://github.com/KrzysztofMularski/math_equation_transformer written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KrzysztofMularski/math_equation_transformer 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8fc60bdd89bf8664c7892744b2242f3ed1e656746ca14d25b0ecb0fa37119be6 [INFO] running `Command { std: "docker" "start" "-a" "8fc60bdd89bf8664c7892744b2242f3ed1e656746ca14d25b0ecb0fa37119be6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fc60bdd89bf8664c7892744b2242f3ed1e656746ca14d25b0ecb0fa37119be6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fc60bdd89bf8664c7892744b2242f3ed1e656746ca14d25b0ecb0fa37119be6", kill_on_drop: false }` [INFO] [stdout] 8fc60bdd89bf8664c7892744b2242f3ed1e656746ca14d25b0ecb0fa37119be6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3ff1e1224b5bd523ff5d546e6d1d7a6ba20522036a566f8a07f1873b853ad5ca [INFO] running `Command { std: "docker" "start" "-a" "3ff1e1224b5bd523ff5d546e6d1d7a6ba20522036a566f8a07f1873b853ad5ca", kill_on_drop: false }` [INFO] [stderr] Checking math_equation_transformer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/module/expr.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 76 | impl Expr { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 77 | [INFO] [stdout] 78 | pub fn new(expr: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn parse_to_postfix(expr: &str) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn apply(&self, rule: &Rule, mut occurance: i16) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 182 | pub fn reduce_one(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 221 | fn calculate_expr(op: &FunOp, num1: &f64, num2: &f64) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 233 | fn compare_to_pattern(expr: Rc>, pattern_expr: Rc>) -> Result<(bool, Option>, rule: &Rule, bindings: HashMap, expr_path: &mut String) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 355 | fn tokenization(expr: &str) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 444 | fn infix_to_postfix(tokens: Vec) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 524 | fn postfix_to_expression(postfix: Vec) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/module/rule.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Rule { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 21 | [INFO] [stdout] 22 | pub fn new(pattern: &str, substitute: &str, reversable: bool) -> Rule { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Digit`, `Char`, and `Symbol` are never constructed [INFO] [stdout] --> src/module/token.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub enum CharKind { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 26 | Digit, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 27 | Char, [INFO] [stdout] | ^^^^ [INFO] [stdout] 28 | Symbol [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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/module/expr.rs:154:97 [INFO] [stdout] | [INFO] [stdout] 154 | ... Some(hm.iter().map( | (str, expr) | (str.clone(), (*expr.borrow()).clone())).collect()) [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `math_equation_transformer` (bin "math_equation_transformer") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/module/expr.rs:154:97 [INFO] [stdout] | [INFO] [stdout] 154 | ... Some(hm.iter().map( | (str, expr) | (str.clone(), (*expr.borrow()).clone())).collect()) [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 `math_equation_transformer` (bin "math_equation_transformer" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "3ff1e1224b5bd523ff5d546e6d1d7a6ba20522036a566f8a07f1873b853ad5ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ff1e1224b5bd523ff5d546e6d1d7a6ba20522036a566f8a07f1873b853ad5ca", kill_on_drop: false }` [INFO] [stdout] 3ff1e1224b5bd523ff5d546e6d1d7a6ba20522036a566f8a07f1873b853ad5ca