[INFO] cloning repository https://github.com/mredlek/rs-futures-spmc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mredlek/rs-futures-spmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmredlek%2Frs-futures-spmc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmredlek%2Frs-futures-spmc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a7339eb30dc0f62875885b78129a2c5f5b808de [INFO] checking mredlek/rs-futures-spmc against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmredlek%2Frs-futures-spmc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mredlek/rs-futures-spmc on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mredlek/rs-futures-spmc [INFO] finished tweaking git repo https://github.com/mredlek/rs-futures-spmc [INFO] tweaked toml for git repo https://github.com/mredlek/rs-futures-spmc written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mredlek/rs-futures-spmc 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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] Downloading crates ... [INFO] [stderr] Downloaded futures v0.1.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c396f909a334d96e17eb32f245ccc6f2bcec2258ce58370413e20ed5ae369c04 [INFO] running `Command { std: "docker" "start" "-a" "c396f909a334d96e17eb32f245ccc6f2bcec2258ce58370413e20ed5ae369c04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c396f909a334d96e17eb32f245ccc6f2bcec2258ce58370413e20ed5ae369c04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c396f909a334d96e17eb32f245ccc6f2bcec2258ce58370413e20ed5ae369c04", kill_on_drop: false }` [INFO] [stdout] c396f909a334d96e17eb32f245ccc6f2bcec2258ce58370413e20ed5ae369c04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06760f5ce420568545c20fa49bcd4d59f5439d625533bee67f6d1f6298e21aee [INFO] running `Command { std: "docker" "start" "-a" "06760f5ce420568545c20fa49bcd4d59f5439d625533bee67f6d1f6298e21aee", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking futures v0.1.14 [INFO] [stderr] Checking rs-futures-spmc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | try!(fmt.debug_struct("SharedData") [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | try!(fmt.write_fmt(format_args!("Slot {}: {:?}", data.0, data.1))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | try!(fmt.debug_struct("SharedData") [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | try!(fmt.write_fmt(format_args!("Slot {}: {:?}", data.0, data.1))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/spmc_lockfree.rs:97:57 [INFO] [stdout] | [INFO] [stdout] 97 | let replacedlock = self.read_interest_locks.compare_and_swap(oldlock, newlock, Ordering::Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/spmc_lockfree.rs:97:57 [INFO] [stdout] | [INFO] [stdout] 97 | let replacedlock = self.read_interest_locks.compare_and_swap(oldlock, newlock, Ordering::Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/spmc_lockfree.rs:232:23 [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut dyn Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/spmc_lockfree.rs:232:23 [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut dyn Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `IterStream` in tuple element 0 that must be used [INFO] [stdout] --> tests/spmc.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 143 | / ::futures::stream::iter(vec![Ok(0) as Result, Ok(1), Ok(2), Ok(3), Ok(4), Ok(5)].into_iter()).forward(sender) [INFO] [stdout] 144 | | .wait() [INFO] [stdout] 145 | | .expect("Error forwarding stream to sender"); [INFO] [stdout] | |____________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "06760f5ce420568545c20fa49bcd4d59f5439d625533bee67f6d1f6298e21aee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06760f5ce420568545c20fa49bcd4d59f5439d625533bee67f6d1f6298e21aee", kill_on_drop: false }` [INFO] [stdout] 06760f5ce420568545c20fa49bcd4d59f5439d625533bee67f6d1f6298e21aee [INFO] checking mredlek/rs-futures-spmc against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmredlek%2Frs-futures-spmc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mredlek/rs-futures-spmc on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mredlek/rs-futures-spmc [INFO] finished tweaking git repo https://github.com/mredlek/rs-futures-spmc [INFO] tweaked toml for git repo https://github.com/mredlek/rs-futures-spmc written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mredlek/rs-futures-spmc 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30d83fa491de4fc547e8b498ffee79086021379be46994121e03262421c11012 [INFO] running `Command { std: "docker" "start" "-a" "30d83fa491de4fc547e8b498ffee79086021379be46994121e03262421c11012", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30d83fa491de4fc547e8b498ffee79086021379be46994121e03262421c11012", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30d83fa491de4fc547e8b498ffee79086021379be46994121e03262421c11012", kill_on_drop: false }` [INFO] [stdout] 30d83fa491de4fc547e8b498ffee79086021379be46994121e03262421c11012 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d212678e5227aa2c699bdce9d628c77065a8870c336ba8f11c501c20e18f2ac1 [INFO] running `Command { std: "docker" "start" "-a" "d212678e5227aa2c699bdce9d628c77065a8870c336ba8f11c501c20e18f2ac1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking futures v0.1.14 [INFO] [stderr] Checking rs-futures-spmc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | try!(fmt.debug_struct("SharedData") [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | try!(fmt.write_fmt(format_args!("Slot {}: {:?}", data.0, data.1))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | try!(fmt.debug_struct("SharedData") [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/spmc_lockfree.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | try!(fmt.write_fmt(format_args!("Slot {}: {:?}", data.0, data.1))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/spmc_lockfree.rs:97:57 [INFO] [stdout] | [INFO] [stdout] 97 | let replacedlock = self.read_interest_locks.compare_and_swap(oldlock, newlock, Ordering::Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/spmc_lockfree.rs:97:57 [INFO] [stdout] | [INFO] [stdout] 97 | let replacedlock = self.read_interest_locks.compare_and_swap(oldlock, newlock, Ordering::Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/spmc_lockfree.rs:232:23 [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut dyn Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/spmc_lockfree.rs:232:23 [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 232 | (self as &mut dyn Sink).close().map(|_| ()).unwrap_or(()); [INFO] [stdout] | +++ [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/spmc_lockfree.rs:36:32 [INFO] [stdout] | [INFO] [stdout] 30 | let none : Option>> = None; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 36 | sender_data_stash: RefCell::new(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] = 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/spmc_lockfree.rs:36:32 [INFO] [stdout] | [INFO] [stdout] 30 | let none : Option>> = None; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 36 | sender_data_stash: RefCell::new(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] = 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/spmc_lockfree.rs:338:16 [INFO] [stdout] | [INFO] [stdout] 335 | let item = item.clone().unwrap(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 338 | Ok(Async::Ready(Some(item))) [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/spmc_lockfree.rs:338:16 [INFO] [stdout] | [INFO] [stdout] 335 | let item = item.clone().unwrap(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 338 | Ok(Async::Ready(Some(item))) [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rs-futures-spmc` (lib) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rs-futures-spmc` (lib test) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d212678e5227aa2c699bdce9d628c77065a8870c336ba8f11c501c20e18f2ac1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d212678e5227aa2c699bdce9d628c77065a8870c336ba8f11c501c20e18f2ac1", kill_on_drop: false }` [INFO] [stdout] d212678e5227aa2c699bdce9d628c77065a8870c336ba8f11c501c20e18f2ac1