[INFO] cloning repository https://github.com/casey/tokio-by-hand [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/tokio-by-hand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Ftokio-by-hand", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Ftokio-by-hand'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1ae672f1b508cb3383127cca10208f085bad42e [INFO] checking casey/tokio-by-hand/d1ae672f1b508cb3383127cca10208f085bad42e against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Ftokio-by-hand" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/casey/tokio-by-hand 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 git repo https://github.com/casey/tokio-by-hand [INFO] finished tweaking git repo https://github.com/casey/tokio-by-hand [INFO] tweaked toml for git repo https://github.com/casey/tokio-by-hand written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/casey/tokio-by-hand 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] 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 428aac443cf835ba86afe0cc5fdf3bc65bf2a16a7cba870b5962a48c8d748d40 [INFO] running `Command { std: "docker" "start" "-a" "428aac443cf835ba86afe0cc5fdf3bc65bf2a16a7cba870b5962a48c8d748d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "428aac443cf835ba86afe0cc5fdf3bc65bf2a16a7cba870b5962a48c8d748d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "428aac443cf835ba86afe0cc5fdf3bc65bf2a16a7cba870b5962a48c8d748d40", kill_on_drop: false }` [INFO] [stdout] 428aac443cf835ba86afe0cc5fdf3bc65bf2a16a7cba870b5962a48c8d748d40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9f5235f22fccc59c1ca81e824c45bcf962d239b1f32336333e607853b55290d3 [INFO] running `Command { std: "docker" "start" "-a" "9f5235f22fccc59c1ca81e824c45bcf962d239b1f32336333e607853b55290d3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.32 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-core v0.1.10 [INFO] [stderr] Checking tokio-by-hand v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | extended_try_ready!(self.sleeper.extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | extended_try_ready!(self.sleeper.extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/instant_series.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | let next = extended_try_ready!(self.next.extended_poll(task_handle)); [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/instant_series.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | extended_try_ready!(self.sending.as_mut().unwrap().extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed_series.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | let next = extended_try_ready!(self.next.extended_poll(task_handle)); [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed_series.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | extended_try_ready!(self.sending.as_mut().unwrap().extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/buffered.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | extended_try_ready!(self.try_empty_buffer(task_handle)); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/adapter.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | match extended_try_ready!(self.stream.extended_poll(task_handle)) { [INFO] [stdout] | ----------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/adapter.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | extended_try_ready!(self.try_empty_buffer(task_handle)); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/extended/adapter.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Incoming(u8); [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Incoming` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/extended/mod.rs:139:11 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn sink_start_send_adapter(extended_sink: &mut T, item: I) -> Result, E> [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 139 | match extended_sink.extended_start_send(&mut TaskHandle{_private: ()}, 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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tokio-by-hand` (lib) due to 2 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | extended_try_ready!(self.sleeper.extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | extended_try_ready!(self.sleeper.extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/instant_series.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | let next = extended_try_ready!(self.next.extended_poll(task_handle)); [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/instant_series.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | extended_try_ready!(self.sending.as_mut().unwrap().extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed_series.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | let next = extended_try_ready!(self.next.extended_poll(task_handle)); [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/delayed_series.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | extended_try_ready!(self.sending.as_mut().unwrap().extended_poll(task_handle)); [INFO] [stdout] | ------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/buffered.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | extended_try_ready!(self.try_empty_buffer(task_handle)); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/adapter.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | match extended_try_ready!(self.stream.extended_poll(task_handle)) { [INFO] [stdout] | ----------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Err(err) => { [INFO] [stdout] | ^^^^^^^^ matches no values because `void::Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] ::: src/extended/adapter.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | extended_try_ready!(self.try_empty_buffer(task_handle)); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: this warning originates in the macro `extended_try_ready` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/instant_series.rs:91:7 [INFO] [stdout] | [INFO] [stdout] 91 | producer.forward(consumer).wait().unwrap(); [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: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/buffered.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [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/extended/mod.rs:139:11 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn sink_start_send_adapter(extended_sink: &mut T, item: I) -> Result, E> [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 139 | match extended_sink.extended_start_send(&mut TaskHandle{_private: ()}, 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] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/instant_series.rs:115:7 [INFO] [stdout] | [INFO] [stdout] 115 | producer.forward(consumer).wait().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/buffered.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/adapter.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | / stream [INFO] [stdout] 131 | | .take(7) [INFO] [stdout] 132 | | .inspect(|x| println!("from stream: {:?}", x)) [INFO] [stdout] 133 | | .map(|x| Outgoing(x.0)) [INFO] [stdout] 134 | | .forward(sink).wait().unwrap(); [INFO] [stdout] | |____________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tokio-by-hand` (lib test) due to 2 previous errors; 20 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9f5235f22fccc59c1ca81e824c45bcf962d239b1f32336333e607853b55290d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f5235f22fccc59c1ca81e824c45bcf962d239b1f32336333e607853b55290d3", kill_on_drop: false }` [INFO] [stdout] 9f5235f22fccc59c1ca81e824c45bcf962d239b1f32336333e607853b55290d3