[INFO] fetching crate multiqueue 0.3.2...
[INFO] checking multiqueue-0.3.2 against try#c05ee43175e02d208faed1fcc0f436c56e48bba6 for pr-92413
[INFO] extracting crate multiqueue 0.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate multiqueue 0.3.2 on toolchain c05ee43175e02d208faed1fcc0f436c56e48bba6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiqueue 0.3.2
[INFO] finished tweaking crates.io crate multiqueue 0.3.2
[INFO] tweaked toml for crates.io crate multiqueue 0.3.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 144b1f038b9482fcd3c98088f9783fec20a8a5f4f5c699e86e1b28522d497374
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "144b1f038b9482fcd3c98088f9783fec20a8a5f4f5c699e86e1b28522d497374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "144b1f038b9482fcd3c98088f9783fec20a8a5f4f5c699e86e1b28522d497374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144b1f038b9482fcd3c98088f9783fec20a8a5f4f5c699e86e1b28522d497374", kill_on_drop: false }`
[INFO] [stdout] 144b1f038b9482fcd3c98088f9783fec20a8a5f4f5c699e86e1b28522d497374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679fdc9372e0009eb7d47e04a56456acd7f4ab2540c9146d44861d92fc45d6d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "679fdc9372e0009eb7d47e04a56456acd7f4ab2540c9146d44861d92fc45d6d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking multiqueue v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/countedindex.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub const MASK_IND: Index = (1 << 63);
[INFO] [stdout]    |                                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     pub const MASK_IND: Index = (1 << 63);
[INFO] [stdout] 23 +     pub const MASK_IND: Index = 1 << 63;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn inc_ref(&AtomicUsize);
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn dec_ref(&AtomicUsize);
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn check_ref(&AtomicUsize) -> bool;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     unsafe fn get_val(&mut T) -> T;
[INFO] [stdout]    |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn forget_val(T);
[INFO] [stdout]    |                   ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unsafe fn drop_in_place(&mut T);
[INFO] [stdout]    |                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/wait.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn wait(&self, usize, &AtomicUsize, &AtomicUsize);
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/wait.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn wait(&self, usize, &AtomicUsize, &AtomicUsize);
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/wait.rs:43:41
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn wait(&self, usize, &AtomicUsize, &AtomicUsize);
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/countedindex.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub const MASK_IND: Index = (1 << 63);
[INFO] [stdout]    |                                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     pub const MASK_IND: Index = (1 << 63);
[INFO] [stdout] 23 +     pub const MASK_IND: Index = 1 << 63;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn inc_ref(&AtomicUsize);
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn dec_ref(&AtomicUsize);
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn check_ref(&AtomicUsize) -> bool;
[INFO] [stdout]    |                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     unsafe fn get_val(&mut T) -> T;
[INFO] [stdout]    |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn forget_val(T);
[INFO] [stdout]    |                   ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/multiqueue.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unsafe fn drop_in_place(&mut T);
[INFO] [stdout]    |                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/wait.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn wait(&self, usize, &AtomicUsize, &AtomicUsize);
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/wait.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn wait(&self, usize, &AtomicUsize, &AtomicUsize);
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/wait.rs:43:41
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn wait(&self, usize, &AtomicUsize, &AtomicUsize);
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &AtomicUsize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `mpmc::futures::task::park`: renamed to `current`
[INFO] [stdout]   --> src/multiqueue.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | use self::futures::task::{park, Task};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |             d1: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:244:31
[INFO] [stdout]     |
[INFO] [stdout] 244 |             d2: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:253:31
[INFO] [stdout]     |
[INFO] [stdout] 253 |             d3: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:257:31
[INFO] [stdout]     |
[INFO] [stdout] 257 |             d4: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `mpmc::futures::task::park`: renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:875:26
[INFO] [stdout]     |
[INFO] [stdout] 875 |         parked.push_back(park());
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `mpmc::futures::task::park`: renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:901:34
[INFO] [stdout]     |
[INFO] [stdout] 901 |                 parked.push_back(park());
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub waiter: Arc<Wait>,
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub waiter: Arc<Wait>,
[INFO] [stdout] 160 +     pub waiter: Arc<dyn Wait>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'r` never used
[INFO] [stdout]    --> src/multiqueue.rs:806:32
[INFO] [stdout]     |
[INFO] [stdout] 806 | impl<RW: QueueRW<T>, R, F: for<'r> FnMut(&T) -> R, T> Stream for FutInnerUniRecv<RW, R, F, T> {
[INFO] [stdout]     |                                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'r` never used
[INFO] [stdout]     --> src/multiqueue.rs:1035:32
[INFO] [stdout]      |
[INFO] [stdout] 1035 | impl<RW: QueueRW<T>, R, F: for<'r> FnMut(&T) -> R, T> Drop for FutInnerUniRecv<RW, R, F, T> {
[INFO] [stdout]      |                                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:222:49
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn new_internal(_capacity: Index, wait: Arc<Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 222 -     fn new_internal(_capacity: Index, wait: Arc<Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[INFO] [stdout] 222 +     fn new_internal(_capacity: Index, wait: Arc<dyn Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `mpmc::futures::task::park`: renamed to `current`
[INFO] [stdout]   --> src/multiqueue.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | use self::futures::task::{park, Task};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |             d1: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:244:31
[INFO] [stdout]     |
[INFO] [stdout] 244 |             d2: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:253:31
[INFO] [stdout]     |
[INFO] [stdout] 253 |             d3: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:257:31
[INFO] [stdout]     |
[INFO] [stdout] 257 |             d4: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `mpmc::futures::task::park`: renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:875:26
[INFO] [stdout]     |
[INFO] [stdout] 875 |         parked.push_back(park());
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `mpmc::futures::task::park`: renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:901:34
[INFO] [stdout]     |
[INFO] [stdout] 901 |                 parked.push_back(park());
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub waiter: Arc<Wait>,
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 160 -     pub waiter: Arc<Wait>,
[INFO] [stdout] 160 +     pub waiter: Arc<dyn Wait>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'r` never used
[INFO] [stdout]    --> src/multiqueue.rs:806:32
[INFO] [stdout]     |
[INFO] [stdout] 806 | impl<RW: QueueRW<T>, R, F: for<'r> FnMut(&T) -> R, T> Stream for FutInnerUniRecv<RW, R, F, T> {
[INFO] [stdout]     |                                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'r` never used
[INFO] [stdout]     --> src/multiqueue.rs:1035:32
[INFO] [stdout]      |
[INFO] [stdout] 1035 | impl<RW: QueueRW<T>, R, F: for<'r> FnMut(&T) -> R, T> Drop for FutInnerUniRecv<RW, R, F, T> {
[INFO] [stdout]      |                                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:222:49
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn new_internal(_capacity: Index, wait: Arc<Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 222 -     fn new_internal(_capacity: Index, wait: Arc<Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[INFO] [stdout] 222 +     fn new_internal(_capacity: Index, wait: Arc<dyn Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:228:55
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let elem: &QueueEntry<T> = &*queuedat.offset(i);
[INFO] [stdout]     |                                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:231:46
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let refd: &RefCnt = &*refdat.offset(i);
[INFO] [stdout]     |                                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `mpmc::futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:913:21
[INFO] [stdout]     |
[INFO] [stdout] 913 |                 val.unpark();
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `mpmc::futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:931:25
[INFO] [stdout]     |
[INFO] [stdout] 931 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `mpmc::futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:938:25
[INFO] [stdout]     |
[INFO] [stdout] 938 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:228:55
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let elem: &QueueEntry<T> = &*queuedat.offset(i);
[INFO] [stdout]     |                                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:231:46
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let refd: &RefCnt = &*refdat.offset(i);
[INFO] [stdout]     |                                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `mpmc::futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:913:21
[INFO] [stdout]     |
[INFO] [stdout] 913 |                 val.unpark();
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `mpmc::futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:931:25
[INFO] [stdout]     |
[INFO] [stdout] 931 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `mpmc::futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:938:25
[INFO] [stdout]     |
[INFO] [stdout] 938 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wait`
[INFO] [stdout]    --> src/multiqueue.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     wait: Arc<FutWait>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiqueue` due to 3 previous errors; 25 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `wait`
[INFO] [stdout]    --> src/multiqueue.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     wait: Arc<FutWait>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `clone` that must be used
[INFO] [stdout]    --> src/mpmc.rs:940:9
[INFO] [stdout]     |
[INFO] [stdout] 940 |         reader.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "679fdc9372e0009eb7d47e04a56456acd7f4ab2540c9146d44861d92fc45d6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679fdc9372e0009eb7d47e04a56456acd7f4ab2540c9146d44861d92fc45d6d4", kill_on_drop: false }`
[INFO] [stdout] 679fdc9372e0009eb7d47e04a56456acd7f4ab2540c9146d44861d92fc45d6d4