[INFO] fetching crate ode_solvers 0.4.0... [INFO] checking ode_solvers-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ode_solvers 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate ode_solvers 0.4.0 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 ode_solvers 0.4.0 [INFO] finished tweaking crates.io crate ode_solvers 0.4.0 [INFO] tweaked toml for crates.io crate ode_solvers 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate ode_solvers 0.4.0 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] 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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 549a02bb35bb90345b43baeba61e7400d6f9881cc3692109120b3da7a16686e9 [INFO] running `Command { std: "docker" "start" "-a" "549a02bb35bb90345b43baeba61e7400d6f9881cc3692109120b3da7a16686e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "549a02bb35bb90345b43baeba61e7400d6f9881cc3692109120b3da7a16686e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "549a02bb35bb90345b43baeba61e7400d6f9881cc3692109120b3da7a16686e9", kill_on_drop: false }` [INFO] [stdout] 549a02bb35bb90345b43baeba61e7400d6f9881cc3692109120b3da7a16686e9 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8214cde3aebfa9fa543e271950901662faf19ac3c9132f76847ee772f638bbb4 [INFO] running `Command { std: "docker" "start" "-a" "8214cde3aebfa9fa543e271950901662faf19ac3c9132f76847ee772f638bbb4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking wide v0.7.4 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking simba v0.8.1 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling nalgebra-macros v0.2.1 [INFO] [stderr] Checking nalgebra v0.32.3 [INFO] [stderr] Checking ode_solvers v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::result::Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/bouncing_ball.rs:102:21 [INFO] [stdout] | [INFO] [stdout] 92 | let mut buf = BufWriter::new(file); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 102 | if let Err(e) = buf.flush() { [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 `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/kepler_orbit.rs:87:21 [INFO] [stdout] | [INFO] [stdout] 77 | let mut buf = BufWriter::new(file); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 87 | if let Err(e) = buf.flush() { [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 `ode_solvers` (example "bouncing_ball") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/kepler_orbit_dvector.rs:87:21 [INFO] [stdout] | [INFO] [stdout] 77 | let mut buf = BufWriter::new(file); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 87 | if let Err(e) = buf.flush() { [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 `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/three_body_system.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 65 | let mut buf = BufWriter::new(file); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | if let Err(e) = buf.flush() { [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 `ode_solvers` (example "kepler_orbit") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/three_body_system_dvector.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 65 | let mut buf = BufWriter::new(file); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | if let Err(e) = buf.flush() { [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] [stderr] error: could not compile `ode_solvers` (example "three_body_system") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ode_solvers` (example "kepler_orbit_dvector") due to 2 previous errors [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/lorenz.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 60 | let mut buf = BufWriter::new(file); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | if let Err(e) = buf.flush() { [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 `ode_solvers` (example "three_body_system_dvector") due to 2 previous errors [INFO] [stderr] error: could not compile `ode_solvers` (example "lorenz") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "8214cde3aebfa9fa543e271950901662faf19ac3c9132f76847ee772f638bbb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8214cde3aebfa9fa543e271950901662faf19ac3c9132f76847ee772f638bbb4", kill_on_drop: false }` [INFO] [stdout] 8214cde3aebfa9fa543e271950901662faf19ac3c9132f76847ee772f638bbb4