[INFO] fetching crate futures-glib 0.4.0...
[INFO] checking futures-glib-0.4.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate futures-glib 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate futures-glib 0.4.0
[INFO] finished tweaking crates.io crate futures-glib 0.4.0
[INFO] tweaked toml for crates.io crate futures-glib 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-glib 0.4.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.11.0)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding glib-sys v0.6.0 (available: v0.21.5)
[INFO] [stderr]       Adding gtk v0.4.1 (available: v0.18.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d68a584671112ec14a8041395b7072c49524aa724c9e1b76d71170079be82a8
[INFO] running `Command { std: "docker" "start" "-a" "9d68a584671112ec14a8041395b7072c49524aa724c9e1b76d71170079be82a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d68a584671112ec14a8041395b7072c49524aa724c9e1b76d71170079be82a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d68a584671112ec14a8041395b7072c49524aa724c9e1b76d71170079be82a8", kill_on_drop: false }`
[INFO] [stdout] 9d68a584671112ec14a8041395b7072c49524aa724c9e1b76d71170079be82a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6d6a08dad8f8d88466742d8f05e74a491f6f96588ba365d2521d1fe3753298
[INFO] running `Command { std: "docker" "start" "-a" "3a6d6a08dad8f8d88466742d8f05e74a491f6f96588ba365d2521d1fe3753298", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling glib-sys v0.6.0
[INFO] [stderr]    Compiling gobject-sys v0.6.0
[INFO] [stderr]    Compiling gio-sys v0.6.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.6.0
[INFO] [stderr]    Compiling pango-sys v0.6.0
[INFO] [stderr]    Compiling gdk-sys v0.6.0
[INFO] [stderr]    Compiling atk-sys v0.6.0
[INFO] [stderr]    Compiling gio v0.4.1
[INFO] [stderr]    Compiling gtk-sys v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0
[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling gdk v0.8.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling gtk v0.4.1
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking futures-glib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/future.rs:168:16
[INFO] [stdout]     |
[INFO] [stdout] 168 |         unsafe extern fn call<F>(data: glib_sys::gpointer) -> glib_sys::gboolean
[INFO] [stdout]     |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/interval.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | unsafe extern fn handler(data: gpointer) -> gboolean {
[INFO] [stdout]    |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/interval.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub unsafe extern fn destroy(data: gpointer) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/timeout.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | unsafe extern fn handler(data: gpointer) -> gboolean {
[INFO] [stdout]    |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/timeout.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub unsafe extern fn destroy(data: gpointer) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/io/state.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |         unsafe extern fn call<F>(channel: *mut glib_sys::GIOChannel,
[INFO] [stdout]    |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:495:16
[INFO] [stdout]     |
[INFO] [stdout] 495 |         unsafe extern fn destroy<F>(user_data: glib_sys::gpointer) {
[INFO] [stdout]     |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:692:8
[INFO] [stdout]     |
[INFO] [stdout] 692 | unsafe extern fn prepare<T: SourceFuncs>(source: *mut glib_sys::GSource,
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:711:8
[INFO] [stdout]     |
[INFO] [stdout] 711 | unsafe extern fn check<T: SourceFuncs>(source: *mut glib_sys::GSource) -> glib_sys::gboolean {
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:726:8
[INFO] [stdout]     |
[INFO] [stdout] 726 | unsafe extern fn dispatch<T: SourceFuncs>(source: *mut glib_sys::GSource,
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 743 | unsafe extern fn finalize<T: SourceFuncs>(source: *mut glib_sys::GSource) {
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/rt.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/rt.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | static INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]   |
[INFO] [stdout] 8 - static INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout] 8 + static INITIALIZED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/future.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |     future: Option<Spawn<Box<Future<Item=(), Error=()>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 189 |     future: Option<Spawn<Box<dyn Future<Item=(), Error=()>>>>,
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/future.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |     Run(Box<FnBox>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 |     Run(Box<dyn FnBox>),
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn try_lock(&self) -> Option<LockedMainContext> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn try_lock(&self) -> Option<LockedMainContext<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:191:32
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn push_thread_default(&self) -> PushThreadDefault {
[INFO] [stdout]     |                                ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn push_thread_default(&self) -> PushThreadDefault<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/timeout.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     drop(tx.send(()));
[INFO] [stdout]    |     ^^^^^-----------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `Result<(), ()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 57 -     drop(tx.send(()));
[INFO] [stdout] 57 +     let _ = tx.send(());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking glib v0.5.0
[INFO] [stderr]     Checking pango v0.4.0
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/future.rs:168:16
[INFO] [stdout]     |
[INFO] [stdout] 168 |         unsafe extern fn call<F>(data: glib_sys::gpointer) -> glib_sys::gboolean
[INFO] [stdout]     |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/interval.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | unsafe extern fn handler(data: gpointer) -> gboolean {
[INFO] [stdout]    |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/interval.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub unsafe extern fn destroy(data: gpointer) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/timeout.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | unsafe extern fn handler(data: gpointer) -> gboolean {
[INFO] [stdout]    |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/timeout.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub unsafe extern fn destroy(data: gpointer) {
[INFO] [stdout]    |            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/io/state.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |         unsafe extern fn call<F>(channel: *mut glib_sys::GIOChannel,
[INFO] [stdout]    |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:495:16
[INFO] [stdout]     |
[INFO] [stdout] 495 |         unsafe extern fn destroy<F>(user_data: glib_sys::gpointer) {
[INFO] [stdout]     |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:692:8
[INFO] [stdout]     |
[INFO] [stdout] 692 | unsafe extern fn prepare<T: SourceFuncs>(source: *mut glib_sys::GSource,
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:711:8
[INFO] [stdout]     |
[INFO] [stdout] 711 | unsafe extern fn check<T: SourceFuncs>(source: *mut glib_sys::GSource) -> glib_sys::gboolean {
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:726:8
[INFO] [stdout]     |
[INFO] [stdout] 726 | unsafe extern fn dispatch<T: SourceFuncs>(source: *mut glib_sys::GSource,
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 743 | unsafe extern fn finalize<T: SourceFuncs>(source: *mut glib_sys::GSource) {
[INFO] [stdout]     |        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/rt.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/rt.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | static INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]   |
[INFO] [stdout] 8 - static INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout] 8 + static INITIALIZED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/future.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |     future: Option<Spawn<Box<Future<Item=(), Error=()>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 189 |     future: Option<Spawn<Box<dyn Future<Item=(), Error=()>>>>,
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/future.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |     Run(Box<FnBox>),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 |     Run(Box<dyn FnBox>),
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn try_lock(&self) -> Option<LockedMainContext> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn try_lock(&self) -> Option<LockedMainContext<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:191:32
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn push_thread_default(&self) -> PushThreadDefault {
[INFO] [stdout]     |                                ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn push_thread_default(&self) -> PushThreadDefault<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/timeout.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     drop(tx.send(()));
[INFO] [stdout]    |     ^^^^^-----------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `Result<(), ()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 57 -     drop(tx.send(()));
[INFO] [stdout] 57 +     let _ = tx.send(());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.07s
[INFO] running `Command { std: "docker" "inspect" "3a6d6a08dad8f8d88466742d8f05e74a491f6f96588ba365d2521d1fe3753298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6d6a08dad8f8d88466742d8f05e74a491f6f96588ba365d2521d1fe3753298", kill_on_drop: false }`
[INFO] [stdout] 3a6d6a08dad8f8d88466742d8f05e74a491f6f96588ba365d2521d1fe3753298
