[INFO] fetching crate may 0.3.46... [INFO] checking may-0.3.46 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate may 0.3.46 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate may 0.3.46 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate may 0.3.46 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate may 0.3.46 [INFO] tweaked toml for crates.io crate may 0.3.46 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate may 0.3.46 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2edfbd6993ba7d0815b2b54b50911f1894fe20b4b101ae299792a6134f22f6ed [INFO] running `Command { std: "docker" "start" "-a" "2edfbd6993ba7d0815b2b54b50911f1894fe20b4b101ae299792a6134f22f6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2edfbd6993ba7d0815b2b54b50911f1894fe20b4b101ae299792a6134f22f6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2edfbd6993ba7d0815b2b54b50911f1894fe20b4b101ae299792a6134f22f6ed", kill_on_drop: false }` [INFO] [stdout] 2edfbd6993ba7d0815b2b54b50911f1894fe20b4b101ae299792a6134f22f6ed [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4003cf4fc38246186c695364b68df2ea7938219fe8999b43bd6e2193fbc57e37 [INFO] running `Command { std: "docker" "start" "-a" "4003cf4fc38246186c695364b68df2ea7938219fe8999b43bd6e2193fbc57e37", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling cc v1.1.6 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling may_queue v0.1.22 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling may v0.3.46 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking core_affinity v0.8.1 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking generator v0.8.1 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Compiling native-tls v0.2.12 [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/scheduler.rs:51:35 [INFO] [stdout] | [INFO] [stdout] 49 | let timer_event_handler = |c: Arc>| { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | // just re-push the co to the visit list [INFO] [stdout] 51 | if let Some(mut co) = c.take() { [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 `::Iter` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/io/sys/unix/net/tcp_stream_connect.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 28 | addr: A, [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 34 | addr.to_socket_addrs()? [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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `may` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4003cf4fc38246186c695364b68df2ea7938219fe8999b43bd6e2193fbc57e37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4003cf4fc38246186c695364b68df2ea7938219fe8999b43bd6e2193fbc57e37", kill_on_drop: false }` [INFO] [stdout] 4003cf4fc38246186c695364b68df2ea7938219fe8999b43bd6e2193fbc57e37