[INFO] fetching crate bufreaderwriter 0.2.4... [INFO] checking bufreaderwriter-0.2.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate bufreaderwriter 0.2.4 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate bufreaderwriter 0.2.4 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 bufreaderwriter 0.2.4 [INFO] finished tweaking crates.io crate bufreaderwriter 0.2.4 [INFO] tweaked toml for crates.io crate bufreaderwriter 0.2.4 written to /workspace/builds/worker-0-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 20 packages to latest compatible versions [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e54334446a1056454dd27b635edcb834c1c7eaa1a9a491bf0f587bc74103aec [INFO] running `Command { std: "docker" "start" "-a" "6e54334446a1056454dd27b635edcb834c1c7eaa1a9a491bf0f587bc74103aec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e54334446a1056454dd27b635edcb834c1c7eaa1a9a491bf0f587bc74103aec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e54334446a1056454dd27b635edcb834c1c7eaa1a9a491bf0f587bc74103aec", kill_on_drop: false }` [INFO] [stdout] 6e54334446a1056454dd27b635edcb834c1c7eaa1a9a491bf0f587bc74103aec [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f105e62b0e439a42316b3595f6b0765977a90ca8a8a75f309e2ae3dc439cf88a [INFO] running `Command { std: "docker" "start" "-a" "f105e62b0e439a42316b3595f6b0765977a90ca8a8a75f309e2ae3dc439cf88a", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking bufreaderwriter v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `rand::BufIO` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/rand.rs:131:15 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn into_bufreader(self) -> Option> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 131 | match self.inner.unwrap() { [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 `rand::BufIO` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/rand.rs:155:15 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn into_bufwriter(self) -> Option> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 155 | match self.inner.unwrap() { [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 `seq::BufIO` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/seq.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn into_bufreader(self) -> Option> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 141 | match self.inner.unwrap() { [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 `seq::BufIO` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/seq.rs:165:15 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn into_bufwriter(self) -> Option> { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 165 | match self.inner.unwrap() { [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 `bufreaderwriter` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f105e62b0e439a42316b3595f6b0765977a90ca8a8a75f309e2ae3dc439cf88a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f105e62b0e439a42316b3595f6b0765977a90ca8a8a75f309e2ae3dc439cf88a", kill_on_drop: false }` [INFO] [stdout] f105e62b0e439a42316b3595f6b0765977a90ca8a8a75f309e2ae3dc439cf88a