[INFO] cloning repository https://github.com/TimonPost/quinn-ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimonPost/quinn-ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fquinn-ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fquinn-ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71353097b414608693d844b1fd3fa107f368ad58
[INFO] checking TimonPost/quinn-ffi against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fquinn-ffi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/TimonPost/quinn-ffi
[INFO] finished tweaking git repo https://github.com/TimonPost/quinn-ffi
[INFO] tweaked toml for git repo https://github.com/TimonPost/quinn-ffi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TimonPost/quinn-ffi on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TimonPost/quinn-ffi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56566bbd46ac8dc2e7676c3d46bdff61e97258f7872c624851f0dfc8a848d017
[INFO] running `Command { std: "docker" "start" "-a" "56566bbd46ac8dc2e7676c3d46bdff61e97258f7872c624851f0dfc8a848d017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56566bbd46ac8dc2e7676c3d46bdff61e97258f7872c624851f0dfc8a848d017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56566bbd46ac8dc2e7676c3d46bdff61e97258f7872c624851f0dfc8a848d017", kill_on_drop: false }`
[INFO] [stdout] 56566bbd46ac8dc2e7676c3d46bdff61e97258f7872c624851f0dfc8a848d017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8dc42aa15bc2bd8281330607c0c04037c30ecec88971b99699812143b7e438c
[INFO] running `Command { std: "docker" "start" "-a" "c8dc42aa15bc2bd8281330607c0c04037c30ecec88971b99699812143b7e438c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking quinn-proto v0.8.0
[INFO] [stderr]     Checking quinn-ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_result_unwrap_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout]  51 | / ffi! {
[INFO] [stdout]  52 | |     /// Creates a server endpoint with a certain configuration.
[INFO] [stdout]  53 | |     ///
[INFO] [stdout]  54 | |     /// * `handle`: Valid `RustlsServerConfigHandle` pointer for the duration of the function call.
[INFO] [stdout] ...   |
[INFO] [stdout] 230 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: `#[warn(unsupported_calling_conventions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:232:1
[INFO] [stdout]     |
[INFO] [stdout] 232 | / ffi! {
[INFO] [stdout] 233 | |     /// Polls a given connection.
[INFO] [stdout] 234 | |     ///
[INFO] [stdout] 235 | |     /// * `handle`: Valid `ConnectionHandle` pointer for the duration of the function call.
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | / ffi! {
[INFO] [stdout] 304 | |     /// Retrieves the last occurred error.
[INFO] [stdout] 305 | |     ///
[INFO] [stdout] 306 | |     /// * `error_buf`: Allocated memory for the error message destination.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / ffi! {
[INFO] [stdout] 339 | |     /// Accepts a stream.
[INFO] [stdout] 340 | |     ///
[INFO] [stdout] 341 | |     /// * `handle`: Valid `ConnectionHandle` pointer for the duration of the function call.
[INFO] [stdout] ...   |
[INFO] [stdout] 413 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:415:1
[INFO] [stdout]     |
[INFO] [stdout] 415 | / ffi! {
[INFO] [stdout] 416 | |     /// Enables a global logger with the given log filter.
[INFO] [stdout] 417 | |     /// This function may be called only once.
[INFO] [stdout] 418 | |     #[cfg(feature="debug")]
[INFO] [stdout] ...   |
[INFO] [stdout] 514 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/bindings.rs:637:18
[INFO] [stdout]     |
[INFO] [stdout] 637 |                    pub extern "cdecl" fn $name (callback: extern "C" fn($($arg_ty),*)) -> FFIResult {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 715 | /     set_callbacks! {
[INFO] [stdout] 716 | |         fn set_on_new_connection(super::ConnectionHandle, u32, u32) set ON_NEW_CONNECTION
[INFO] [stdout] 717 | |
[INFO] [stdout] 718 | |         fn set_on_connected(u32) set ON_CONNECTED
[INFO] [stdout] ...   |
[INFO] [stdout] 738 | |         fn set_on_pollable_connection(u32) set ON_CONNECTION_POLLABLE
[INFO] [stdout] 739 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `set_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(option_result_unwrap_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout]  51 | / ffi! {
[INFO] [stdout]  52 | |     /// Creates a server endpoint with a certain configuration.
[INFO] [stdout]  53 | |     ///
[INFO] [stdout]  54 | |     /// * `handle`: Valid `RustlsServerConfigHandle` pointer for the duration of the function call.
[INFO] [stdout] ...   |
[INFO] [stdout] 230 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: `#[warn(unsupported_calling_conventions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `poll_again` is assigned to, but never used
[INFO] [stdout]   --> src/proto_impl/connection.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut poll_again = self.handle_timer();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_poll_again` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `poll_again` is never read
[INFO] [stdout]   --> src/proto_impl/connection.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         poll_again |= self.handle_transmits()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error_code`
[INFO] [stdout]    --> src/proto_impl/connection.rs:153:38
[INFO] [stdout]     |
[INFO] [stdout] 153 |             ConnectionEvent::Close { error_code, reason } => {}
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: try ignoring the field: `error_code: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/proto_impl/connection.rs:153:50
[INFO] [stdout]     |
[INFO] [stdout] 153 |             ConnectionEvent::Close { error_code, reason } => {}
[INFO] [stdout]     |                                                  ^^^^^^ help: try ignoring the field: `reason: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:232:1
[INFO] [stdout]     |
[INFO] [stdout] 232 | / ffi! {
[INFO] [stdout] 233 | |     /// Polls a given connection.
[INFO] [stdout] 234 | |     ///
[INFO] [stdout] 235 | |     /// * `handle`: Valid `ConnectionHandle` pointer for the duration of the function call.
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FFIHandleRef` is never constructed
[INFO] [stdout]   --> src/ffi/handle_shared.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct FFIHandleRef<'a, T>(*const T, PhantomData<&'a T>)
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `alloc` is never used
[INFO] [stdout]   --> src/ffi/handle_shared.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<'a, T> FFIHandleRef<'a, T>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     T: Send + Sync,
[INFO] [stdout]    | |___________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn alloc(value: T) -> Self
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dealloc` is never used
[INFO] [stdout]   --> src/ffi/handle_shared.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl<'a, T> FFIHandleRef<'a, T>
[INFO] [stdout] 37 | | where
[INFO] [stdout] 38 | |     T: Send + Sync,
[INFO] [stdout]    | |___________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |       pub unsafe fn dealloc<R>(handle: Self, f: impl FnOnce(T) -> R) -> R {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_poll` is never read
[INFO] [stdout]   --> src/proto_impl/connection.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ConnectionImpl {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     last_poll: Instant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | / ffi! {
[INFO] [stdout] 304 | |     /// Retrieves the last occurred error.
[INFO] [stdout] 305 | |     ///
[INFO] [stdout] 306 | |     /// * `error_buf`: Allocated memory for the error message destination.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:338:1
[INFO] [stdout]     |
[INFO] [stdout] 338 | / ffi! {
[INFO] [stdout] 339 | |     /// Accepts a stream.
[INFO] [stdout] 340 | |     ///
[INFO] [stdout] 341 | |     /// * `handle`: Valid `ConnectionHandle` pointer for the duration of the function call.
[INFO] [stdout] ...   |
[INFO] [stdout] 413 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ffi/bindings.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             endpoint.poll();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let _ = endpoint.poll();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/safe_api.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |               pub unsafe extern "cdecl" fn $name( $($arg_ident : $arg_ty),* ) -> FFIResult {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi/bindings.rs:415:1
[INFO] [stdout]     |
[INFO] [stdout] 415 | / ffi! {
[INFO] [stdout] 416 | |     /// Enables a global logger with the given log filter.
[INFO] [stdout] 417 | |     /// This function may be called only once.
[INFO] [stdout] 418 | |     #[cfg(feature="debug")]
[INFO] [stdout] ...   |
[INFO] [stdout] 514 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `ffi` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ffi/bindings.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 | /             handle.ref_access(&mut |connection| {
[INFO] [stdout] 274 | |                endpoint.remove_connection(connection.connection_handle);
[INFO] [stdout] 275 | |                Ok(())
[INFO] [stdout] 276 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 273 |             let _ = handle.ref_access(&mut |connection| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ffi/bindings.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             connection.inner.send_stream(StreamId(stream_id)).finish();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let _ = connection.inner.send_stream(StreamId(stream_id)).finish();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/proto_impl/endpoint.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             val.send(-1);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let _ = val.send(-1);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]    --> src/ffi/bindings.rs:637:18
[INFO] [stdout]     |
[INFO] [stdout] 637 |                    pub extern "cdecl" fn $name (callback: extern "C" fn($($arg_ty),*)) -> FFIResult {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 715 | /     set_callbacks! {
[INFO] [stdout] 716 | |         fn set_on_new_connection(super::ConnectionHandle, u32, u32) set ON_NEW_CONNECTION
[INFO] [stdout] 717 | |
[INFO] [stdout] 718 | |         fn set_on_connected(u32) set ON_CONNECTED
[INFO] [stdout] ...   |
[INFO] [stdout] 738 | |         fn set_on_pollable_connection(u32) set ON_CONNECTION_POLLABLE
[INFO] [stdout] 739 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `extern "C"` instead
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]     = note: this warning originates in the macro `set_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `poll_again` is assigned to, but never used
[INFO] [stdout]   --> src/proto_impl/connection.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut poll_again = self.handle_timer();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_poll_again` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `poll_again` is never read
[INFO] [stdout]   --> src/proto_impl/connection.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         poll_again |= self.handle_transmits()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error_code`
[INFO] [stdout]    --> src/proto_impl/connection.rs:153:38
[INFO] [stdout]     |
[INFO] [stdout] 153 |             ConnectionEvent::Close { error_code, reason } => {}
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: try ignoring the field: `error_code: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/proto_impl/connection.rs:153:50
[INFO] [stdout]     |
[INFO] [stdout] 153 |             ConnectionEvent::Close { error_code, reason } => {}
[INFO] [stdout]     |                                                  ^^^^^^ help: try ignoring the field: `reason: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FFIHandleRef` is never constructed
[INFO] [stdout]   --> src/ffi/handle_shared.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct FFIHandleRef<'a, T>(*const T, PhantomData<&'a T>)
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `alloc` is never used
[INFO] [stdout]   --> src/ffi/handle_shared.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<'a, T> FFIHandleRef<'a, T>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     T: Send + Sync,
[INFO] [stdout]    | |___________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn alloc(value: T) -> Self
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dealloc` is never used
[INFO] [stdout]   --> src/ffi/handle_shared.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl<'a, T> FFIHandleRef<'a, T>
[INFO] [stdout] 37 | | where
[INFO] [stdout] 38 | |     T: Send + Sync,
[INFO] [stdout]    | |___________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |       pub unsafe fn dealloc<R>(handle: Self, f: impl FnOnce(T) -> R) -> R {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_poll` is never read
[INFO] [stdout]   --> src/proto_impl/connection.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ConnectionImpl {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     last_poll: Instant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ffi/bindings.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             endpoint.poll();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let _ = endpoint.poll();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ffi/bindings.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 | /             handle.ref_access(&mut |connection| {
[INFO] [stdout] 274 | |                endpoint.remove_connection(connection.connection_handle);
[INFO] [stdout] 275 | |                Ok(())
[INFO] [stdout] 276 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 273 |             let _ = handle.ref_access(&mut |connection| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ffi/bindings.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             connection.inner.send_stream(StreamId(stream_id)).finish();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let _ = connection.inner.send_stream(StreamId(stream_id)).finish();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/proto_impl/endpoint.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             val.send(-1);
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let _ = val.send(-1);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "c8dc42aa15bc2bd8281330607c0c04037c30ecec88971b99699812143b7e438c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dc42aa15bc2bd8281330607c0c04037c30ecec88971b99699812143b7e438c", kill_on_drop: false }`
[INFO] [stdout] c8dc42aa15bc2bd8281330607c0c04037c30ecec88971b99699812143b7e438c
