[INFO] fetching crate liblightning 0.0.2...
[INFO] testing liblightning-0.0.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate liblightning 0.0.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate liblightning 0.0.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liblightning 0.0.2
[INFO] finished tweaking crates.io crate liblightning 0.0.2
[INFO] tweaked toml for crates.io crate liblightning 0.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36d70bbc06378cda574d66d5a4b965d7c429d509b7f18f2b2666d9172fe5f5a0
[INFO] running `Command { std: "docker" "start" "-a" "36d70bbc06378cda574d66d5a4b965d7c429d509b7f18f2b2666d9172fe5f5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d70bbc06378cda574d66d5a4b965d7c429d509b7f18f2b2666d9172fe5f5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d70bbc06378cda574d66d5a4b965d7c429d509b7f18f2b2666d9172fe5f5a0", kill_on_drop: false }`
[INFO] [stdout] 36d70bbc06378cda574d66d5a4b965d7c429d509b7f18f2b2666d9172fe5f5a0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 737d61c371c350a9e9100075793c2936830042f98a10243d2058003deaea38f7
[INFO] running `Command { std: "docker" "start" "-a" "737d61c371c350a9e9100075793c2936830042f98a10243d2058003deaea38f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblightning v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: liblightning@0.0.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stdout] warning: unused import: `resume_unwind`
[INFO] [stdout]  --> src/scheduler.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stdout]   --> src/scheduler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<Any + Send>>,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     inner: Box<CommonCoState>
[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] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[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] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pending_cos: Vec<Box<CommonCoState>>
[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] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     co: Box<CommonCoState>
[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] 23 |     co: Box<dyn CommonCoState>
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/invoke_box.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     inner: Box<Fn(A1) -> R>
[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] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stdout]   |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[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] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[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] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[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] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[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] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[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] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[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] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[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] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:68:53
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[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] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[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] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:127
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[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] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[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] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[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] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _: Box<Send> = Box::new(self);
[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] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "737d61c371c350a9e9100075793c2936830042f98a10243d2058003deaea38f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737d61c371c350a9e9100075793c2936830042f98a10243d2058003deaea38f7", kill_on_drop: false }`
[INFO] [stdout] 737d61c371c350a9e9100075793c2936830042f98a10243d2058003deaea38f7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 450a2821007ede25d9529b21a93bdd7be3c1f83aac2d98da1b9b4e5fd69d5b2e
[INFO] running `Command { std: "docker" "start" "-a" "450a2821007ede25d9529b21a93bdd7be3c1f83aac2d98da1b9b4e5fd69d5b2e", kill_on_drop: false }`
[INFO] [stderr] warning: liblightning@0.0.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stdout] warning: unused import: `resume_unwind`
[INFO] [stdout]  --> src/scheduler.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stdout]   --> src/scheduler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<Any + Send>>,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     inner: Box<CommonCoState>
[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] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[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] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pending_cos: Vec<Box<CommonCoState>>
[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] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     co: Box<CommonCoState>
[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] 23 |     co: Box<dyn CommonCoState>
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/invoke_box.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     inner: Box<Fn(A1) -> R>
[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] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stdout]   |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[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] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[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] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[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] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[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] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[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] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[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] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[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] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:68:53
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[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] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[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] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:127
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling liblightning v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[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] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[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] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[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] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _: Box<Send> = Box::new(self);
[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] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> examples/sleep.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/sleep.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn sleep_ms(c: &mut Yieldable, ms: u64) {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn sleep_ms(c: &mut dyn Yieldable, ms: u64) {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `resume_unwind`
[INFO] [stdout]  --> src/scheduler.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stdout]   --> src/scheduler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<Any + Send>>,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     inner: Box<CommonCoState>
[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] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[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] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pending_cos: Vec<Box<CommonCoState>>
[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] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     co: Box<CommonCoState>
[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] 23 |     co: Box<dyn CommonCoState>
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/invoke_box.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     inner: Box<Fn(A1) -> R>
[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] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stdout]   |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[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] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[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] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[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] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[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] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[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] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[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] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[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] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:68:53
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[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] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[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] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:127
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[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] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[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] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[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] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _: Box<Send> = Box::new(self);
[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] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "450a2821007ede25d9529b21a93bdd7be3c1f83aac2d98da1b9b4e5fd69d5b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450a2821007ede25d9529b21a93bdd7be3c1f83aac2d98da1b9b4e5fd69d5b2e", kill_on_drop: false }`
[INFO] [stdout] 450a2821007ede25d9529b21a93bdd7be3c1f83aac2d98da1b9b4e5fd69d5b2e
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38ac6fc4800b6c379e600c31e15d75529a1f1b2213554118d6c999ae3ed19697
[INFO] running `Command { std: "docker" "start" "-a" "38ac6fc4800b6c379e600c31e15d75529a1f1b2213554118d6c999ae3ed19697", kill_on_drop: false }`
[INFO] [stderr] warning: liblightning@0.0.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: unused import: `resume_unwind`
[INFO] [stderr]  --> src/scheduler.rs:3:50
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stderr]   --> src/scheduler.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |     error_val: Option<Box<Any + Send>>,
[INFO] [stderr]    |                           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 |     inner: Box<CommonCoState>
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stderr]    |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:25:31
[INFO] [stderr]    |
[INFO] [stderr] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stderr]    |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pending_cos: Vec<Box<CommonCoState>>
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stderr]    |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/promise.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     co: Box<CommonCoState>
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 |     co: Box<dyn CommonCoState>
[INFO] [stderr]    |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/invoke_box.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     inner: Box<Fn(A1) -> R>
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stderr]   |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:40:35
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/co.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stderr]     |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/co.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stderr]     |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/co.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stderr]     |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:57:27
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:63:39
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:68:53
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stderr]    |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:72:43
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[INFO] [stderr]    |                                           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:81:57
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[INFO] [stderr]    |                                                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:81:127
[INFO] [stderr]    |
[INFO] [stderr] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stderr]    |                                                                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/promise.rs:32:52
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:82:49
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stderr]    |                                                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:87:44
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[INFO] [stderr]    |                                            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/promise.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let _: Box<Send> = Box::new(self);
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stderr]    |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `liblightning` (lib) generated 23 warnings (run `cargo fix --lib -p liblightning` to apply 23 suggestions)
[INFO] [stderr] warning: `liblightning` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> examples/sleep.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/sleep.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn sleep_ms(c: &mut Yieldable, ms: u64) {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn sleep_ms(c: &mut dyn Yieldable, ms: u64) {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `liblightning` (example "sleep") generated 2 warnings (run `cargo fix --example "sleep"` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liblightning-cb8997dd41f66826)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/liblightning-cb8997dd41f66826` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "38ac6fc4800b6c379e600c31e15d75529a1f1b2213554118d6c999ae3ed19697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ac6fc4800b6c379e600c31e15d75529a1f1b2213554118d6c999ae3ed19697", kill_on_drop: false }`
[INFO] [stdout] 38ac6fc4800b6c379e600c31e15d75529a1f1b2213554118d6c999ae3ed19697
[INFO] testing liblightning-0.0.2 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate liblightning 0.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate liblightning 0.0.2 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liblightning 0.0.2
[INFO] finished tweaking crates.io crate liblightning 0.0.2
[INFO] tweaked toml for crates.io crate liblightning 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0331c0550c3601a200ccbce656d87c176605ccdeaa2a7dda356ccd405bd6118
[INFO] running `Command { std: "docker" "start" "-a" "a0331c0550c3601a200ccbce656d87c176605ccdeaa2a7dda356ccd405bd6118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0331c0550c3601a200ccbce656d87c176605ccdeaa2a7dda356ccd405bd6118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0331c0550c3601a200ccbce656d87c176605ccdeaa2a7dda356ccd405bd6118", kill_on_drop: false }`
[INFO] [stdout] a0331c0550c3601a200ccbce656d87c176605ccdeaa2a7dda356ccd405bd6118
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac4da85e85a6c4787c8723a17881e4f37a044d9e7f4b4dd1a220748dfec313f
[INFO] running `Command { std: "docker" "start" "-a" "2ac4da85e85a6c4787c8723a17881e4f37a044d9e7f4b4dd1a220748dfec313f", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblightning v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: liblightning@0.0.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stdout] warning: unused import: `resume_unwind`
[INFO] [stdout]  --> src/scheduler.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stdout]   --> src/scheduler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<Any + Send>>,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     inner: Box<CommonCoState>
[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] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[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] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pending_cos: Vec<Box<CommonCoState>>
[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] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     co: Box<CommonCoState>
[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] 23 |     co: Box<dyn CommonCoState>
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/invoke_box.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     inner: Box<Fn(A1) -> R>
[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] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stdout]   |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[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] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[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] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[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] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[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] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[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] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[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] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[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] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:68:53
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[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] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[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] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:127
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[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] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[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] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[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] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _: Box<Send> = Box::new(self);
[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] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "2ac4da85e85a6c4787c8723a17881e4f37a044d9e7f4b4dd1a220748dfec313f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac4da85e85a6c4787c8723a17881e4f37a044d9e7f4b4dd1a220748dfec313f", kill_on_drop: false }`
[INFO] [stdout] 2ac4da85e85a6c4787c8723a17881e4f37a044d9e7f4b4dd1a220748dfec313f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b92ed841f45dfc30d6d42f965036186aacd4932ddb8289257f917591976ee955
[INFO] running `Command { std: "docker" "start" "-a" "b92ed841f45dfc30d6d42f965036186aacd4932ddb8289257f917591976ee955", kill_on_drop: false }`
[INFO] [stderr] warning: liblightning@0.0.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stdout] warning: unused import: `resume_unwind`
[INFO] [stdout]  --> src/scheduler.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stdout]   --> src/scheduler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<Any + Send>>,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     inner: Box<CommonCoState>
[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] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[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] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pending_cos: Vec<Box<CommonCoState>>
[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] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     co: Box<CommonCoState>
[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] 23 |     co: Box<dyn CommonCoState>
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/invoke_box.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     inner: Box<Fn(A1) -> R>
[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] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stdout]   |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[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] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[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] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[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] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[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] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[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] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[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] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[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] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:68:53
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[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] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling liblightning v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[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] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:127
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[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] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[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] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[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] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _: Box<Send> = Box::new(self);
[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] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> examples/sleep.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/sleep.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn sleep_ms(c: &mut Yieldable, ms: u64) {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn sleep_ms(c: &mut dyn Yieldable, ms: u64) {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `resume_unwind`
[INFO] [stdout]  --> src/scheduler.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stdout]   --> src/scheduler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<Any + Send>>,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     inner: Box<CommonCoState>
[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] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[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] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pending_cos: Vec<Box<CommonCoState>>
[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] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     co: Box<CommonCoState>
[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] 23 |     co: Box<dyn CommonCoState>
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/invoke_box.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     inner: Box<Fn(A1) -> R>
[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] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stdout]   |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[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] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[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] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[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] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[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] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/co.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[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] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[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] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/co.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[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] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:68:53
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[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] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[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] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:57
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:81:127
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[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] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[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] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[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] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[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] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/promise.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _: Box<Send> = Box::new(self);
[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] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "b92ed841f45dfc30d6d42f965036186aacd4932ddb8289257f917591976ee955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92ed841f45dfc30d6d42f965036186aacd4932ddb8289257f917591976ee955", kill_on_drop: false }`
[INFO] [stdout] b92ed841f45dfc30d6d42f965036186aacd4932ddb8289257f917591976ee955
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ef4c8cca7ac8af7002183c3c3aef53722a5632c4ffd54b28ce7e9c351c18663
[INFO] running `Command { std: "docker" "start" "-a" "9ef4c8cca7ac8af7002183c3c3aef53722a5632c4ffd54b28ce7e9c351c18663", kill_on_drop: false }`
[INFO] [stderr] warning: liblightning@0.0.2: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: unused import: `resume_unwind`
[INFO] [stderr]  --> src/scheduler.rs:3:50
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::panic::{catch_unwind, AssertUnwindSafe, resume_unwind};
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `invoke_box::OnceInvokeBox`
[INFO] [stderr]   --> src/scheduler.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use invoke_box::OnceInvokeBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |     error_val: Option<Box<Any + Send>>,
[INFO] [stderr]    |                           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 |     error_val: Option<Box<dyn Any + Send>>,
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 |     inner: Box<CommonCoState>
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 51 |     inner: Box<dyn CommonCoState>
[INFO] [stderr]    |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:25:31
[INFO] [stderr]    |
[INFO] [stderr] 25 |     running_cos: VecDeque<Box<CommonCoState>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 |     running_cos: VecDeque<Box<dyn CommonCoState>>,
[INFO] [stderr]    |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pending_cos: Vec<Box<CommonCoState>>
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pending_cos: Vec<Box<dyn CommonCoState>>
[INFO] [stderr]    |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/promise.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     co: Box<CommonCoState>
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 |     co: Box<dyn CommonCoState>
[INFO] [stderr]    |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/invoke_box.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     inner: Box<Fn(A1) -> R>
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 4 |     inner: Box<dyn Fn(A1) -> R>
[INFO] [stderr]   |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:40:35
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct CoState<F: FnOnce(&mut Yieldable) + 'static> {
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct CoState<F: FnOnce(&mut dyn Yieldable) + 'static> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl<F: FnOnce(&mut Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Yieldable for CoState<F> {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/co.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl<F: FnOnce(&mut Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CommonCoState for CoState<F> {
[INFO] [stderr]     |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/co.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 | impl<F: FnOnce(&mut Yieldable) + 'static> CoState<F> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 143 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> CoState<F> {
[INFO] [stderr]     |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/co.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 | impl<F: FnOnce(&mut Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 192 | impl<F: FnOnce(&mut dyn Yieldable) + 'static> Drop for CoState<F> {
[INFO] [stderr]     |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:57:27
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn new(inner: Box<CommonCoState>) -> SendableCoState {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn new(inner: Box<dyn CommonCoState>) -> SendableCoState {
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/co.rs:63:39
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub unsafe fn unwrap(self) -> Box<CommonCoState> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub unsafe fn unwrap(self) -> Box<dyn CommonCoState> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:68:53
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<CommonCoState>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub(crate) fn push_coroutine_raw(&self, co: Box<dyn CommonCoState>) {
[INFO] [stderr]    |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:72:43
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn start_coroutine<F: FnOnce(&mut Yieldable) + 'static>(&self, f: F) {
[INFO] [stderr]    |                                           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn start_coroutine<F: FnOnce(&mut dyn Yieldable) + 'static>(&self, f: F) {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:81:57
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>...
[INFO] [stderr]    |                                                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut dyn Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:81:127
[INFO] [stderr]    |
[INFO] [stderr] 81 | ...e) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<Any + Send>>> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn prepare_coroutine<R: 'static, F: FnOnce(&mut Yieldable) -> R + 'static>(&self, f: F) -> ValuePromise<Result<R, Box<dyn Any + Send>>> {
[INFO] [stderr]    |                                                                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/promise.rs:32:52
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<CommonCoState>) -> NotifyHandle {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub(crate) fn new(s: SharedSchedState, co: Box<dyn CommonCoState>) -> NotifyHandle {
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:82:49
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let value: Rc<Cell<Option<Result<R, Box<Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stderr]    |                                                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let value: Rc<Cell<Option<Result<R, Box<dyn Any + Send>>>>> = Rc::new(Cell::new(None));
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:87:44
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let vp: ValuePromise<Result<R, Box<Any + Send>>> = ValuePromise {
[INFO] [stderr]    |                                            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let vp: ValuePromise<Result<R, Box<dyn Any + Send>>> = ValuePromise {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/promise.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let _: Box<Send> = Box::new(self);
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let _: Box<dyn Send> = Box::new(self);
[INFO] [stderr]    |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `liblightning` (lib) generated 23 warnings (run `cargo fix --lib -p liblightning` to apply 23 suggestions)
[INFO] [stderr] warning: `liblightning` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> examples/sleep.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/sleep.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn sleep_ms(c: &mut Yieldable, ms: u64) {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn sleep_ms(c: &mut dyn Yieldable, ms: u64) {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `liblightning` (example "sleep") generated 2 warnings (run `cargo fix --example "sleep"` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liblightning-f800e252dac65365)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test co::tests::nested_should_work ... ok
[INFO] [stdout] test platform::tests::stack_size_should_be_rounded_up ... ok
[INFO] [stdout] test co::tests::instant_termination_should_work ... ok
[INFO] [stdout] test co::tests::resume_terminated_should_return_none ... ok
[INFO] [stdout] test co::tests::yield_should_work ... ok
[INFO] [stdout] test co::tests::taking_stack_should_work ... ok
[INFO] [stdout] test platform::tests::stack_should_be_writable ... ok
[INFO] [stdout] test platform::tests::setup_stack_guard_page_should_succeed ... ok
[INFO] [stdout] test scheduler::tests::coroutines_should_be_scheduled ... ok
[INFO] [stderr]    Doc-tests liblightning
[INFO] [stdout] test co::tests::panics_should_propagate ... ok
[INFO] [stdout] test co::tests::taking_stack_before_termination_should_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ef4c8cca7ac8af7002183c3c3aef53722a5632c4ffd54b28ce7e9c351c18663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef4c8cca7ac8af7002183c3c3aef53722a5632c4ffd54b28ce7e9c351c18663", kill_on_drop: false }`
[INFO] [stdout] 9ef4c8cca7ac8af7002183c3c3aef53722a5632c4ffd54b28ce7e9c351c18663
