[INFO] fetching crate rb 0.4.1... [INFO] checking rb-0.4.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rb 0.4.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate rb 0.4.1 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 rb 0.4.1 [INFO] finished tweaking crates.io crate rb 0.4.1 [INFO] tweaked toml for crates.io crate rb 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate rb 0.4.1 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] af4ddd52d536c0bb7001aba218fe3c3787f2f516046fad64e88e74c6d1de5d13 [INFO] running `Command { std: "docker" "start" "-a" "af4ddd52d536c0bb7001aba218fe3c3787f2f516046fad64e88e74c6d1de5d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af4ddd52d536c0bb7001aba218fe3c3787f2f516046fad64e88e74c6d1de5d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af4ddd52d536c0bb7001aba218fe3c3787f2f516046fad64e88e74c6d1de5d13", kill_on_drop: false }` [INFO] [stdout] af4ddd52d536c0bb7001aba218fe3c3787f2f516046fad64e88e74c6d1de5d13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 427efc8d567c0bfcab20d0358719c87fc05d712b80081c8970d19e5cb6f0ff4d [INFO] running `Command { std: "docker" "start" "-a" "427efc8d567c0bfcab20d0358719c87fc05d712b80081c8970d19e5cb6f0ff4d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rb v0.4.1 (/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/lib.rs:184:18 [INFO] [stdout] | [INFO] [stdout] 182 | let (read_pos, write_pos) = (Arc::new(AtomicUsize::new(0)), Arc::new(AtomicUsize::new(0))); [INFO] [stdout] | -------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 183 | SpscRb { [INFO] [stdout] 184 | buf: Arc::new(Mutex::new(vec![T::default(); size + 1])), [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/lib.rs:185:25 [INFO] [stdout] | [INFO] [stdout] 182 | let (read_pos, write_pos) = (Arc::new(AtomicUsize::new(0)), Arc::new(AtomicUsize::new(0))); [INFO] [stdout] | -------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 185 | slots_free: Arc::new(Condvar::new()), [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/lib.rs:186:29 [INFO] [stdout] | [INFO] [stdout] 182 | let (read_pos, write_pos) = (Arc::new(AtomicUsize::new(0)), Arc::new(AtomicUsize::new(0))); [INFO] [stdout] | -------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 186 | data_available: Arc::new(Condvar::new()), [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/lib.rs:188:24 [INFO] [stdout] | [INFO] [stdout] 182 | let (read_pos, write_pos) = (Arc::new(AtomicUsize::new(0)), Arc::new(AtomicUsize::new(0))); [INFO] [stdout] | -------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 188 | inspector: Arc::new(Inspector { [INFO] [stdout] | ________________________^ [INFO] [stdout] 189 | | read_pos: read_pos.clone(), [INFO] [stdout] 190 | | write_pos: write_pos.clone(), [INFO] [stdout] 191 | | size: size + 1, [INFO] [stdout] 192 | | }), [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: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rb` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "427efc8d567c0bfcab20d0358719c87fc05d712b80081c8970d19e5cb6f0ff4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "427efc8d567c0bfcab20d0358719c87fc05d712b80081c8970d19e5cb6f0ff4d", kill_on_drop: false }` [INFO] [stdout] 427efc8d567c0bfcab20d0358719c87fc05d712b80081c8970d19e5cb6f0ff4d