[INFO] fetching crate simplers_optimization 0.4.3...
[INFO] checking simplers_optimization-0.4.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate simplers_optimization 0.4.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.3 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 simplers_optimization 0.4.3
[INFO] finished tweaking crates.io crate simplers_optimization 0.4.3
[INFO] tweaked toml for crates.io crate simplers_optimization 0.4.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate simplers_optimization 0.4.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f86a23fce1c5358b08c27d08c362b5c19be49d0714fd6648fa09e26664ec13ca
[INFO] running `Command { std: "docker" "start" "-a" "f86a23fce1c5358b08c27d08c362b5c19be49d0714fd6648fa09e26664ec13ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86a23fce1c5358b08c27d08c362b5c19be49d0714fd6648fa09e26664ec13ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86a23fce1c5358b08c27d08c362b5c19be49d0714fd6648fa09e26664ec13ca", kill_on_drop: false }`
[INFO] [stdout] f86a23fce1c5358b08c27d08c362b5c19be49d0714fd6648fa09e26664ec13ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0d1ffffef48ad1fb0d951b08e49e573f0c69f98997c8237ae2ad404e0b8d8cb8
[INFO] running `Command { std: "docker" "start" "-a" "0d1ffffef48ad1fb0d951b08e49e573f0c69f98997c8237ae2ad404e0b8d8cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling priority-queue v1.2.0
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking simplers_optimization v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.into_iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: `#[warn(boxed_slice_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 34 |          IntoIterator::into_iter(c).zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |          ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.into_iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 42 |       IntoIterator::into_iter(c).map(|&x| x * ratio).collect()
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.into_iter()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.iter()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 57 |       IntoIterator::into_iter(c)
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.into_iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: `#[warn(boxed_slice_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 34 |          IntoIterator::into_iter(c).zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |          ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.into_iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 42 |       IntoIterator::into_iter(c).map(|&x| x * ratio).collect()
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.into_iter()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.iter()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 57 |       IntoIterator::into_iter(c)
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.into_iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: `#[warn(boxed_slice_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 34 |          IntoIterator::into_iter(c).zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |          ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.into_iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 42 |       IntoIterator::into_iter(c).map(|&x| x * ratio).collect()
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.into_iter()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.iter()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 57 |       IntoIterator::into_iter(c)
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.into_iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: `#[warn(boxed_slice_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 34 |          c.iter().zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 34 |          IntoIterator::into_iter(c).zip(self.hypercube.iter()).map(|(&x, &(inf, sup))| (x - inf) / (sup - inf)).collect();
[INFO] [stdout]    |          ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.into_iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 42 |       c.iter().map(|&x| x * ratio).collect()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 42 |       IntoIterator::into_iter(c).map(|&x| x * ratio).collect()
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]   --> src/search_space.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.into_iter()
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 57 |       c.iter()
[INFO] [stdout]    |         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 57 |       IntoIterator::into_iter(c)
[INFO] [stdout]    |       ++++++++++++++++++++++++ ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "0d1ffffef48ad1fb0d951b08e49e573f0c69f98997c8237ae2ad404e0b8d8cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1ffffef48ad1fb0d951b08e49e573f0c69f98997c8237ae2ad404e0b8d8cb8", kill_on_drop: false }`
[INFO] [stdout] 0d1ffffef48ad1fb0d951b08e49e573f0c69f98997c8237ae2ad404e0b8d8cb8