[INFO] fetching crate microasync-util 0.1.7... [INFO] checking microasync-util-0.1.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate microasync-util 0.1.7 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate microasync-util 0.1.7 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 microasync-util 0.1.7 [INFO] finished tweaking crates.io crate microasync-util 0.1.7 [INFO] tweaked toml for crates.io crate microasync-util 0.1.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate microasync-util 0.1.7 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] 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 878243038da5858b92a2599f57c5ac3bc83d2e2161a676e6a71848f987b70933 [INFO] running `Command { std: "docker" "start" "-a" "878243038da5858b92a2599f57c5ac3bc83d2e2161a676e6a71848f987b70933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "878243038da5858b92a2599f57c5ac3bc83d2e2161a676e6a71848f987b70933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "878243038da5858b92a2599f57c5ac3bc83d2e2161a676e6a71848f987b70933", kill_on_drop: false }` [INFO] [stdout] 878243038da5858b92a2599f57c5ac3bc83d2e2161a676e6a71848f987b70933 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3d5296e29318290defc364f97b05f742f9263f879f5d546c498b09180c4f28c1 [INFO] running `Command { std: "docker" "start" "-a" "3d5296e29318290defc364f97b05f742f9263f879f5d546c498b09180c4f28c1", kill_on_drop: false }` [INFO] [stderr] Checking microasync v0.4.1 [INFO] [stderr] Checking microasync-util v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/io/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use read::*; [INFO] [stdout] | ^^^^^^^ the name `file` in the type namespace is first re-exported here [INFO] [stdout] 8 | pub use write::*; [INFO] [stdout] | -------- but the name `file` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/io/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use read::*; [INFO] [stdout] | ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here [INFO] [stdout] 8 | pub use write::*; [INFO] [stdout] | -------- but the name `tcpstream` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/io/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use read::*; [INFO] [stdout] | ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here [INFO] [stdout] 8 | pub use write::*; [INFO] [stdout] | -------- but the name `udpsocket` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/io/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use read::*; [INFO] [stdout] | ^^^^^^^ the name `file` in the type namespace is first re-exported here [INFO] [stdout] 8 | pub use write::*; [INFO] [stdout] | -------- but the name `file` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/io/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use read::*; [INFO] [stdout] | ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here [INFO] [stdout] 8 | pub use write::*; [INFO] [stdout] | -------- but the name `tcpstream` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/io/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use read::*; [INFO] [stdout] | ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here [INFO] [stdout] 8 | pub use write::*; [INFO] [stdout] | -------- but the name `udpsocket` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ForceSync` is never constructed [INFO] [stdout] --> src/queued_runtime.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct ForceSync(T); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/queued_runtime.rs:155:40 [INFO] [stdout] | [INFO] [stdout] 155 | let it = CURRENT_RUNTIME.with(|x| *x.borrow()); [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/defer.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 25 | fn new(f: F, args: Args) -> Self { [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] 28 | args: Some(args), [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/defer.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 25 | fn new(f: F, args: Args) -> Self { [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] 29 | f: Some(f), [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/defer.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 25 | fn new(f: F, args: Args) -> Self { [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] 30 | receiver: None, [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ForceSync` is never constructed [INFO] [stdout] --> src/queued_runtime.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct ForceSync(T); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/queued_runtime.rs:155:40 [INFO] [stdout] | [INFO] [stdout] 155 | let it = CURRENT_RUNTIME.with(|x| *x.borrow()); [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] [stderr] error: could not compile `microasync-util` (lib) due to 5 previous errors; 4 warnings emitted [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/defer.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 25 | fn new(f: F, args: Args) -> Self { [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] 28 | args: Some(args), [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] [stderr] warning: build failed, waiting for other jobs to finish... [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/defer.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 25 | fn new(f: F, args: Args) -> Self { [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] 29 | f: Some(f), [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/defer.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 25 | fn new(f: F, args: Args) -> Self { [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] 30 | receiver: None, [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `microasync-util` (lib test) due to 5 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3d5296e29318290defc364f97b05f742f9263f879f5d546c498b09180c4f28c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d5296e29318290defc364f97b05f742f9263f879f5d546c498b09180c4f28c1", kill_on_drop: false }` [INFO] [stdout] 3d5296e29318290defc364f97b05f742f9263f879f5d546c498b09180c4f28c1