[INFO] fetching crate proptest 1.5.0... [INFO] checking proptest-1.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate proptest 1.5.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate proptest 1.5.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate proptest 1.5.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate proptest 1.5.0 [INFO] tweaked toml for crates.io crate proptest 1.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate proptest 1.5.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37d09446d94cf70f3a1d964e820d4c509f5c52a553b71b41bdedcd8046e22412 [INFO] running `Command { std: "docker" "start" "-a" "37d09446d94cf70f3a1d964e820d4c509f5c52a553b71b41bdedcd8046e22412", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37d09446d94cf70f3a1d964e820d4c509f5c52a553b71b41bdedcd8046e22412", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37d09446d94cf70f3a1d964e820d4c509f5c52a553b71b41bdedcd8046e22412", kill_on_drop: false }` [INFO] [stdout] 37d09446d94cf70f3a1d964e820d4c509f5c52a553b71b41bdedcd8046e22412 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e6b32669139745cf4244bb18986fd809514c6a433164a327a81093eb7dfc294 [INFO] running `Command { std: "docker" "start" "-a" "5e6b32669139745cf4244bb18986fd809514c6a433164a327a81093eb7dfc294", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling tempfile v3.6.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking regex-automata v0.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.9.1 [INFO] [stdout] warning: unexpected `cfg` condition value: `frunk` [INFO] [stdout] --> src/lib.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | #[cfg(feature = "frunk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alloc`, `atomic64bit`, `attr-macro`, `bit-set`, `default`, `default-code-coverage`, `fork`, `hardware-rng`, `lazy_static`, `proptest-macro`, `regex-syntax`, `rusty-fork`, `std`, `tempfile`, `timeout`, `unstable`, and `x86` [INFO] [stdout] = help: consider adding `frunk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `frunk` [INFO] [stdout] --> src/lib.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | #[cfg(feature = "frunk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alloc`, `atomic64bit`, `attr-macro`, `bit-set`, `default`, `default-code-coverage`, `fork`, `hardware-rng`, `lazy_static`, `proptest-macro`, `regex-syntax`, `rusty-fork`, `std`, `tempfile`, `timeout`, `unstable`, and `x86` [INFO] [stdout] = help: consider adding `frunk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `frunk` [INFO] [stdout] --> src/lib.rs:53:11 [INFO] [stdout] | [INFO] [stdout] 53 | #[cfg(not(feature = "frunk"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alloc`, `atomic64bit`, `attr-macro`, `bit-set`, `default`, `default-code-coverage`, `fork`, `hardware-rng`, `lazy_static`, `proptest-macro`, `regex-syntax`, `rusty-fork`, `std`, `tempfile`, `timeout`, `unstable`, and `x86` [INFO] [stdout] = help: consider adding `frunk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `frunk` [INFO] [stdout] --> src/collection.rs:168:7 [INFO] [stdout] | [INFO] [stdout] 168 | #[cfg(feature = "frunk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alloc`, `atomic64bit`, `attr-macro`, `bit-set`, `default`, `default-code-coverage`, `fork`, `hardware-rng`, `lazy_static`, `proptest-macro`, `regex-syntax`, `rusty-fork`, `std`, `tempfile`, `timeout`, `unstable`, and `x86` [INFO] [stdout] = help: consider adding `frunk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `frunk` [INFO] [stdout] --> src/option.rs:84:7 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(feature = "frunk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alloc`, `atomic64bit`, `attr-macro`, `bit-set`, `default`, `default-code-coverage`, `fork`, `hardware-rng`, `lazy_static`, `proptest-macro`, `regex-syntax`, `rusty-fork`, `std`, `tempfile`, `timeout`, `unstable`, and `x86` [INFO] [stdout] = help: consider adding `frunk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `frunk` [INFO] [stdout] --> src/option.rs:87:7 [INFO] [stdout] | [INFO] [stdout] 87 | #[cfg(feature = "frunk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `alloc`, `atomic64bit`, `attr-macro`, `bit-set`, `default`, `default-code-coverage`, `fork`, `hardware-rng`, `lazy_static`, `proptest-macro`, `regex-syntax`, `rusty-fork`, `std`, `tempfile`, `timeout`, `unstable`, and `x86` [INFO] [stdout] = help: consider adding `frunk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `::Value` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/strategy/flatten.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 213 | let inner = self.0.new_tree(runner)?; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 214 | inner.current().new_tree(runner) [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 `::Tree` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/strategy/traits.rs:861:13 [INFO] [stdout] | [INFO] [stdout] 834 | strategy: S, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 844 | let a = $a; [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 845 | let b = $b; [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 857 | let mut runner = TestRunner::new(config); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 861 | let mut state; [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: this value of type `ForkOutput` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/test_runner/runner.rs:704:18 [INFO] [stdout] | [INFO] [stdout] 698 | let mut result_cache = self.new_cache(); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 704 | &mut ForkOutput::empty(), [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: this value of type `Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/string.rs:218:30 [INFO] [stdout] | [INFO] [stdout] 217 | .fold(Ok(None), |accum: Result<_, Error>, rhs| { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 218 | Ok(match accum? { [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] warning: struct `NoopFailurePersistence` is never constructed [INFO] [stdout] --> src/test_runner/failure_persistence/noop.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct NoopFailurePersistence; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NoopFailurePersistence` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proptest` (lib) due to 5 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5e6b32669139745cf4244bb18986fd809514c6a433164a327a81093eb7dfc294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e6b32669139745cf4244bb18986fd809514c6a433164a327a81093eb7dfc294", kill_on_drop: false }` [INFO] [stdout] 5e6b32669139745cf4244bb18986fd809514c6a433164a327a81093eb7dfc294