[INFO] fetching crate iterative_methods 0.2.1... [INFO] checking iterative_methods-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate iterative_methods 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate iterative_methods 0.2.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate iterative_methods 0.2.1 [INFO] finished tweaking crates.io crate iterative_methods 0.2.1 [INFO] tweaked toml for crates.io crate iterative_methods 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate iterative_methods 0.2.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6d09236dc21ea06ea1688e4d6f2b99ec59fd33d60a7c9f7a42073d8b64e70e58 [INFO] running `Command { std: "docker" "start" "-a" "6d09236dc21ea06ea1688e4d6f2b99ec59fd33d60a7c9f7a42073d8b64e70e58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d09236dc21ea06ea1688e4d6f2b99ec59fd33d60a7c9f7a42073d8b64e70e58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d09236dc21ea06ea1688e4d6f2b99ec59fd33d60a7c9f7a42073d8b64e70e58", kill_on_drop: false }` [INFO] [stdout] 6d09236dc21ea06ea1688e4d6f2b99ec59fd33d60a7c9f7a42073d8b64e70e58 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03330e37e61c94c408d4307c6fe1adde0d473092a1911deae073bfda14f5e365 [INFO] running `Command { std: "docker" "start" "-a" "03330e37e61c94c408d4307c6fe1adde0d473092a1911deae073bfda14f5e365", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking streaming-iterator v0.1.5 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand_pcg v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking alga v0.9.3 [INFO] [stderr] Checking rand_distr v0.4.0 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking nalgebra v0.19.0 [INFO] [stderr] Checking quickcheck v1.0.1 [INFO] [stderr] Checking eigenvalues v0.3.1 [INFO] [stderr] Checking iterative_methods v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `ArrayBase, ndarray::Dim<[usize; 1]>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/conjugate_gradient_method.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 21 | fn a_distance(result: &ConjugateGradient, optimum: V) -> f64 { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | let error = &result.solution - &optimum; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | error.dot(&result.a.dot(&error)).sqrt() [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: this value of type `ArrayBase, ndarray::Dim<[usize; 1]>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/conjugate_gradient_method_for_blog.rs:87:16 [INFO] [stdout] | [INFO] [stdout] 85 | fn a_distance(result: &ConjugateGradient, optimum: V) -> f64 { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 86 | let error = &result.solution - &optimum; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 87 | error.dot(&result.a.dot(&error)).sqrt() [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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iterative_methods` (example "conjugate_gradient_method_for_blog") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `iterative_methods` (example "conjugate_gradient_method") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "03330e37e61c94c408d4307c6fe1adde0d473092a1911deae073bfda14f5e365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03330e37e61c94c408d4307c6fe1adde0d473092a1911deae073bfda14f5e365", kill_on_drop: false }` [INFO] [stdout] 03330e37e61c94c408d4307c6fe1adde0d473092a1911deae073bfda14f5e365