[INFO] fetching crate prop-check-rs 0.0.682...
[INFO] checking prop-check-rs-0.0.682 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate prop-check-rs 0.0.682 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate prop-check-rs 0.0.682 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] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate prop-check-rs 0.0.682
[INFO] finished tweaking crates.io crate prop-check-rs 0.0.682
[INFO] tweaked toml for crates.io crate prop-check-rs 0.0.682 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate prop-check-rs 0.0.682 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] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3f96900b4c1052ddbe2fac05bf0281ea018e8abe507efddd46163046fd61142a
[INFO] running `Command { std: "docker" "start" "-a" "3f96900b4c1052ddbe2fac05bf0281ea018e8abe507efddd46163046fd61142a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f96900b4c1052ddbe2fac05bf0281ea018e8abe507efddd46163046fd61142a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f96900b4c1052ddbe2fac05bf0281ea018e8abe507efddd46163046fd61142a", kill_on_drop: false }`
[INFO] [stdout] 3f96900b4c1052ddbe2fac05bf0281ea018e8abe507efddd46163046fd61142a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 60b866d2f05dfc7afdea3d1111967715904808abfbd631ecce04f45941afdc05
[INFO] running `Command { std: "docker" "start" "-a" "60b866d2f05dfc7afdea3d1111967715904808abfbd631ecce04f45941afdc05", kill_on_drop: false }`
[INFO] [stderr] Compiling libc v0.2.158
[INFO] [stderr] Compiling libm v0.2.8
[INFO] [stderr] Checking byteorder v1.5.0
[INFO] [stderr] Checking memchr v2.7.4
[INFO] [stderr] Checking regex-syntax v0.8.4
[INFO] [stderr] Checking log v0.4.22
[INFO] [stderr] Compiling anyhow v1.0.86
[INFO] [stderr] Checking utf8parse v0.2.2
[INFO] [stderr] Checking either v1.13.0
[INFO] [stderr] Checking is_terminal_polyfill v1.70.1
[INFO] [stderr] Checking anstyle v1.0.8
[INFO] [stderr] Compiling num-traits v0.2.19
[INFO] [stderr] Compiling bigdecimal v0.4.5
[INFO] [stderr] Checking colorchoice v1.0.2
[INFO] [stderr] Checking anstyle-query v1.1.1
[INFO] [stderr] Compiling syn v2.0.76
[INFO] [stderr] Checking iso-4217 v0.1.0
[INFO] [stderr] Checking humantime v2.1.0
[INFO] [stderr] Checking anstyle-parse v0.2.5
[INFO] [stderr] Checking anstream v0.6.15
[INFO] [stderr] Checking itertools v0.13.0
[INFO] [stderr] Checking aho-corasick v1.1.3
[INFO] [stderr] Checking getrandom v0.2.15
[INFO] [stderr] Checking rand_core v0.6.4
[INFO] [stderr] Checking regex-automata v0.4.7
[INFO] [stderr] Checking num-integer v0.1.46
[INFO] [stderr] Checking num-bigint v0.4.6
[INFO] [stderr] Compiling zerocopy-derive v0.7.35
[INFO] [stderr] Compiling ctor v0.2.8
[INFO] [stderr] Checking regex v1.10.6
[INFO] [stderr] Checking env_filter v0.1.2
[INFO] [stderr] Checking env_logger v0.11.5
[INFO] [stderr] Checking zerocopy v0.7.35
[INFO] [stderr] Checking ppv-lite86 v0.2.20
[INFO] [stderr] Checking rand_chacha v0.3.1
[INFO] [stderr] Checking rand v0.8.5
[INFO] [stderr] Checking rand_distr v0.4.3
[INFO] [stderr] Checking prop-check-rs v0.0.682 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `itertools::Unfold`: Use [std::iter::FromFn](https://doc.rust-lang.org/std/iter/struct.FromFn.html) instead
[INFO] [stdout] --> src/prop.rs:5:16
[INFO] [stdout] |
[INFO] [stdout] 5 | use itertools::Unfold;
[INFO] [stdout] | ^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: use of deprecated struct `itertools::Unfold`: Use [std::iter::FromFn](https://doc.rust-lang.org/std/iter/struct.FromFn.html) instead
[INFO] [stdout] --> src/prop.rs:139:45
[INFO] [stdout] |
[INFO] [stdout] 139 | fn random_stream(g: Gen, rng: RNG) -> Unfold Option>>
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: use of deprecated function `itertools::unfold`: Use [std::iter::from_fn](https://doc.rust-lang.org/std/iter/fn.from_fn.html) instead
[INFO] [stdout] --> src/prop.rs:142:14
[INFO] [stdout] |
[INFO] [stdout] 142 | itertools::unfold(
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: use of deprecated struct `itertools::Unfold`: Use [std::iter::FromFn](https://doc.rust-lang.org/std/iter/struct.FromFn.html) instead
[INFO] [stdout] --> src/prop.rs:5:16
[INFO] [stdout] |
[INFO] [stdout] 5 | use itertools::Unfold;
[INFO] [stdout] | ^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: use of deprecated struct `itertools::Unfold`: Use [std::iter::FromFn](https://doc.rust-lang.org/std/iter/struct.FromFn.html) instead
[INFO] [stdout] --> src/prop.rs:139:45
[INFO] [stdout] |
[INFO] [stdout] 139 | fn random_stream(g: Gen, rng: RNG) -> Unfold Option>>
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: use of deprecated function `itertools::unfold`: Use [std::iter::from_fn](https://doc.rust-lang.org/std/iter/fn.from_fn.html) instead
[INFO] [stdout] --> src/prop.rs:142:14
[INFO] [stdout] |
[INFO] [stdout] 142 | itertools::unfold(
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: enum `Input` is never used
[INFO] [stdout] --> src/machine.rs:4:6
[INFO] [stdout] |
[INFO] [stdout] 4 | enum Input {
[INFO] [stdout] | ^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct `Machine` is never constructed
[INFO] [stdout] --> src/machine.rs:10:8
[INFO] [stdout] |
[INFO] [stdout] 10 | struct Machine {
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `Machine` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated functions `simulate_machine` and `update` are never used
[INFO] [stdout] --> src/machine.rs:17:6
[INFO] [stdout] |
[INFO] [stdout] 16 | impl Machine {
[INFO] [stdout] | ------------ associated functions in this implementation
[INFO] [stdout] 17 | fn simulate_machine(inputs: Vec) -> State {
[INFO] [stdout] | ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 | fn update() -> Box Box Machine>> {
[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/gen.rs:30:19
[INFO] [stdout] |
[INFO] [stdout] 27 | pub fn pure(value: B) -> Gen
[INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 30 | Gen::::new(State::value(value))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout] --> src/gen.rs:39:5
[INFO] [stdout] |
[INFO] [stdout] 35 | pub fn pure_lazy(f: F) -> Gen
[INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 | Self::pure(()).map(move |_| f())
[INFO] [stdout] | ^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = warning: this changes meaning in Rust 2024
[INFO] [stdout] = note: for more information, see issue #123739
[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/gen.rs:39:24
[INFO] [stdout] |
[INFO] [stdout] 35 | pub fn pure_lazy(f: F) -> Gen
[INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 | Self::pure(()).map(move |_| f())
[INFO] [stdout] | ^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = warning: this changes meaning in Rust 2024
[INFO] [stdout] = note: for more information, see issue #123739
[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/gen.rs:55:21
[INFO] [stdout] |
[INFO] [stdout] 52 | pub fn option(gen: Gen) -> Gen