[INFO] fetching crate proptest-state-machine 0.3.0... [INFO] checking proptest-state-machine-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate proptest-state-machine 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate proptest-state-machine 0.3.0 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] started tweaking crates.io crate proptest-state-machine 0.3.0 [INFO] finished tweaking crates.io crate proptest-state-machine 0.3.0 [INFO] tweaked toml for crates.io crate proptest-state-machine 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate proptest-state-machine 0.3.0 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 70a69dd7156cd30577df924e5f827c2c8044f4d03ff3015957fa136668b3a13d [INFO] running `Command { std: "docker" "start" "-a" "70a69dd7156cd30577df924e5f827c2c8044f4d03ff3015957fa136668b3a13d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70a69dd7156cd30577df924e5f827c2c8044f4d03ff3015957fa136668b3a13d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70a69dd7156cd30577df924e5f827c2c8044f4d03ff3015957fa136668b3a13d", kill_on_drop: false }` [INFO] [stdout] 70a69dd7156cd30577df924e5f827c2c8044f4d03ff3015957fa136668b3a13d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4fac7b5ea433f73c5714015d2342c15ef19f2a0066bb88a6efe09c54995195bf [INFO] running `Command { std: "docker" "start" "-a" "4fac7b5ea433f73c5714015d2342c15ef19f2a0066bb88a6efe09c54995195bf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling rustix v0.38.20 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Checking data-encoding v2.5.0 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking integer-encoding v3.0.4 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling serde_derive v1.0.189 [INFO] [stderr] Checking tempfile v3.8.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking proptest-state-machine v0.3.0 (/opt/rustwide/workdir) [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/strategy.rs:210:12 [INFO] [stdout] | [INFO] [stdout] 177 | let initial_state = (self.init_state)().new_tree(runner)?; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 178 | let last_valid_initial_state = initial_state.current(); [INFO] [stdout] | ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 183 | let mut transitions = Vec::with_capacity(max_size); [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 184 | let mut acceptable_transitions = Vec::with_capacity(max_size); [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 189 | let mut state = initial_state.current(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 210 | Ok(SequentialValueTree { [INFO] [stdout] | ____________^ [INFO] [stdout] 211 | | initial_state, [INFO] [stdout] 212 | | is_initial_state_shrinkable: true, [INFO] [stdout] 213 | | last_valid_initial_state, [INFO] [stdout] ... | [INFO] [stdout] 225 | | seen_transitions_counter: Some(Default::default()), [INFO] [stdout] 226 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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 `proptest-state-machine` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4fac7b5ea433f73c5714015d2342c15ef19f2a0066bb88a6efe09c54995195bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fac7b5ea433f73c5714015d2342c15ef19f2a0066bb88a6efe09c54995195bf", kill_on_drop: false }` [INFO] [stdout] 4fac7b5ea433f73c5714015d2342c15ef19f2a0066bb88a6efe09c54995195bf