[INFO] fetching crate redfa 0.0.3... [INFO] building redfa-0.0.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate redfa 0.0.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate redfa 0.0.3 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate redfa 0.0.3 [INFO] finished tweaking crates.io crate redfa 0.0.3 [INFO] tweaked toml for crates.io crate redfa 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate redfa 0.0.3 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a37f4202f7acf08b28ee2cbf8459f3d71166a1d4cb5332b7382bd96e082fa261 [INFO] running `Command { std: "docker" "start" "-a" "a37f4202f7acf08b28ee2cbf8459f3d71166a1d4cb5332b7382bd96e082fa261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a37f4202f7acf08b28ee2cbf8459f3d71166a1d4cb5332b7382bd96e082fa261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a37f4202f7acf08b28ee2cbf8459f3d71166a1d4cb5332b7382bd96e082fa261", kill_on_drop: false }` [INFO] [stdout] a37f4202f7acf08b28ee2cbf8459f3d71166a1d4cb5332b7382bd96e082fa261 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d0d946daf47989d593dbd6b1cc50e4dc3e753b2b1666a9a68d6158c0b8b198f [INFO] running `Command { std: "docker" "start" "-a" "5d0d946daf47989d593dbd6b1cc50e4dc3e753b2b1666a9a68d6158c0b8b198f", kill_on_drop: false }` [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling redfa v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/dfa.rs:66:30 [INFO] [stdout] | [INFO] [stdout] 66 | while let Some(re) = worklist.1.pop_front() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#4` [INFO] [stdout] | up until Edition 2021 `#4` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 67 | let d = re.derivative(); [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | `d` calls a custom destructor [INFO] [stdout] | `d` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | for (chars, dre) in d.d { [INFO] [stdout] | ----- --- [INFO] [stdout] | | | [INFO] [stdout] | | `iter` calls a custom destructor [INFO] [stdout] | | `iter` will be dropped later as of Edition 2024 [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] | `chars` calls a custom destructor [INFO] [stdout] | `chars` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | for ch in chars { [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | `#2` will be dropped later as of Edition 2024 [INFO] [stdout] | this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | `#3` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 84 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/regex.rs:56:30 [INFO] [stdout] | [INFO] [stdout] 54 | let mut el = None; [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | `el` calls a custom destructor [INFO] [stdout] | `el` will be dropped later as of Edition 2024 [INFO] [stdout] 55 | while let Some(mut it) = self.cur.pop() { [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | `it` calls a custom destructor [INFO] [stdout] | `it` will be dropped later as of Edition 2024 [INFO] [stdout] 56 | if let Some(y) = it.next() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 61 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/regex.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 54 | let mut el = None; [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | `el` calls a custom destructor [INFO] [stdout] | `el` will be dropped later as of Edition 2024 [INFO] [stdout] 55 | while let Some(mut it) = self.cur.pop() { [INFO] [stdout] | ------ ^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | `it` calls a custom destructor [INFO] [stdout] | `it` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 61 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `redfa` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "5d0d946daf47989d593dbd6b1cc50e4dc3e753b2b1666a9a68d6158c0b8b198f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d0d946daf47989d593dbd6b1cc50e4dc3e753b2b1666a9a68d6158c0b8b198f", kill_on_drop: false }` [INFO] [stdout] 5d0d946daf47989d593dbd6b1cc50e4dc3e753b2b1666a9a68d6158c0b8b198f