[INFO] fetching crate moo-math 0.1.1... [INFO] checking moo-math-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate moo-math 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate moo-math 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 moo-math 0.1.1 [INFO] finished tweaking crates.io crate moo-math 0.1.1 [INFO] tweaked toml for crates.io crate moo-math 0.1.1 written to /workspace/builds/worker-7-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] Updating crates.io index [INFO] [stderr] Locking 76 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.16) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.2) [INFO] [stderr] Adding criterion v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [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] 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] 94bed4f38a15880a2c850d5f2ad16cc1144fdf2360c749bad8a88cff1d2da845 [INFO] running `Command { std: "docker" "start" "-a" "94bed4f38a15880a2c850d5f2ad16cc1144fdf2360c749bad8a88cff1d2da845", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94bed4f38a15880a2c850d5f2ad16cc1144fdf2360c749bad8a88cff1d2da845", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94bed4f38a15880a2c850d5f2ad16cc1144fdf2360c749bad8a88cff1d2da845", kill_on_drop: false }` [INFO] [stdout] 94bed4f38a15880a2c850d5f2ad16cc1144fdf2360c749bad8a88cff1d2da845 [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] 2e1569c59698d6796e843c8b73e56d649a2165be38c5c851841b927ad1555cac [INFO] running `Command { std: "docker" "start" "-a" "2e1569c59698d6796e843c8b73e56d649a2165be38c5c851841b927ad1555cac", kill_on_drop: false }` [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking moo-math v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.209 [INFO] [stdout] warning: methods `run` and `runge_kutta` are never used [INFO] [stdout] --> src/lib.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 63 | impl Program { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] 64 | fn run(&self, x: f64) -> f64 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn runge_kutta(&self, x0: f64, y0: f64, step: f64) -> (f64, f64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `typ` and `perform` are never used [INFO] [stdout] --> src/lib.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 76 | impl Primitive { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 77 | fn typ(&self) -> &'static str { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | fn perform(&self, x: f64, y: f64) -> f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `perform` is never used [INFO] [stdout] --> src/lib.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 103 | impl Expression { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 104 | fn perform(&self, x: f64, y: f64) -> f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `typ` and `to_string` are never used [INFO] [stdout] --> src/lib.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 137 | impl Token { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 138 | fn typ(&self) -> &'static str { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 149 | fn to_string(&self) -> String { [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/lib.rs:438:15 [INFO] [stdout] | [INFO] [stdout] 420 | let left = self.ast_primitive(iter)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 438 | match left.unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `moo-math` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2e1569c59698d6796e843c8b73e56d649a2165be38c5c851841b927ad1555cac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e1569c59698d6796e843c8b73e56d649a2165be38c5c851841b927ad1555cac", kill_on_drop: false }` [INFO] [stdout] 2e1569c59698d6796e843c8b73e56d649a2165be38c5c851841b927ad1555cac