[INFO] fetching crate async-watch2 0.1.0... [INFO] checking async-watch2-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate async-watch2 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate async-watch2 0.1.0 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 async-watch2 0.1.0 [INFO] finished tweaking crates.io crate async-watch2 0.1.0 [INFO] tweaked toml for crates.io crate async-watch2 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 38 packages to latest compatible versions [INFO] [stderr] Adding async-executor v0.1.2 (available: v1.13.1) [INFO] [stderr] Adding async-io v0.1.11 (available: v2.3.4) [INFO] [stderr] Adding async-task v3.0.0 (available: v4.7.1) [INFO] [stderr] Adding bytes v0.5.6 (available: v1.7.2) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding concurrent-queue v1.2.4 (available: v2.5.0) [INFO] [stderr] Adding fastrand v1.9.0 (available: v2.1.1) [INFO] [stderr] Adding futures-lite v0.1.11 (available: v2.3.0) [INFO] [stderr] Adding parking v1.0.6 (available: v2.2.1) [INFO] [stderr] Adding pin-project-lite v0.1.12 (available: v0.2.14) [INFO] [stderr] Adding polling v0.1.9 (available: v3.7.3) [INFO] [stderr] Adding socket2 v0.3.19 (available: v0.5.7) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.40.0) [INFO] [stderr] Adding tokio-test v0.2.1 (available: v0.4.4) [INFO] [stderr] Adding vec-arena v0.5.2 (available: v1.2.0) [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] 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] 2a55718229dcb08e7116f6731be51d09157d95b18311dc10ef03aede842d33d7 [INFO] running `Command { std: "docker" "start" "-a" "2a55718229dcb08e7116f6731be51d09157d95b18311dc10ef03aede842d33d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a55718229dcb08e7116f6731be51d09157d95b18311dc10ef03aede842d33d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a55718229dcb08e7116f6731be51d09157d95b18311dc10ef03aede842d33d7", kill_on_drop: false }` [INFO] [stdout] 2a55718229dcb08e7116f6731be51d09157d95b18311dc10ef03aede842d33d7 [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] 39260dddbdd8badc7f68da62d52a6cc172a9330e70c40c1930eea7a63f51c927 [INFO] running `Command { std: "docker" "start" "-a" "39260dddbdd8badc7f68da62d52a6cc172a9330e70c40c1930eea7a63f51c927", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking vec-arena v0.5.2 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking async-task v3.0.0 [INFO] [stderr] Checking parking v1.0.6 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking async-watch2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-lite v0.1.11 [INFO] [stderr] Checking multitask v0.2.0 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking polling v0.1.9 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking async-io v0.1.11 [INFO] [stderr] Checking async-executor v0.1.2 [INFO] [stderr] Checking tokio-test v0.2.1 [INFO] [stdout] error: this value of type `Spawn>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/watch.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 9 | let (tx, mut rx) = channel("one"); [INFO] [stdout] | -- ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | let mut t = spawn(rx.recv()); [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 `Spawn>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/watch.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 44 | let (tx, mut rx1) = channel("one"); [INFO] [stdout] | -- ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | let mut rx2 = rx1.clone(); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 95 | let mut t1 = spawn(rx1.recv()); [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 `Spawn>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/watch.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 130 | let (tx, mut rx) = channel("one"); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 147 | let (tx, mut rx) = channel("one"); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 171 | let mut t1 = spawn(rx.recv()); [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-watch2` (test "watch") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "39260dddbdd8badc7f68da62d52a6cc172a9330e70c40c1930eea7a63f51c927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39260dddbdd8badc7f68da62d52a6cc172a9330e70c40c1930eea7a63f51c927", kill_on_drop: false }` [INFO] [stdout] 39260dddbdd8badc7f68da62d52a6cc172a9330e70c40c1930eea7a63f51c927