[INFO] fetching crate w5500-hl 0.12.0...
[INFO] checking w5500-hl-0.12.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate w5500-hl 0.12.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate w5500-hl 0.12.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate w5500-hl 0.12.0
[INFO] tweaked toml for crates.io crate w5500-hl 0.12.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate w5500-hl 0.12.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding embedded-hal-mock v0.10.0 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04a110b75200292a06629ae4406fa476fb769ef421ccc22f40cb72397dd163e6
[INFO] running `Command { std: "docker" "start" "-a" "04a110b75200292a06629ae4406fa476fb769ef421ccc22f40cb72397dd163e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04a110b75200292a06629ae4406fa476fb769ef421ccc22f40cb72397dd163e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a110b75200292a06629ae4406fa476fb769ef421ccc22f40cb72397dd163e6", kill_on_drop: false }`
[INFO] [stdout] 04a110b75200292a06629ae4406fa476fb769ef421ccc22f40cb72397dd163e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1e4a791a621f3b94029065822fbbfb5a81706bde8f97ab977153d98127bbfe
[INFO] running `Command { std: "docker" "start" "-a" "fa1e4a791a621f3b94029065822fbbfb5a81706bde8f97ab977153d98127bbfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]     Checking embedded-hal-mock v0.10.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]     Checking defmt v0.3.100
[INFO] [stderr]     Checking w5500-ll v0.13.0
[INFO] [stderr]     Checking w5500-hl v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tcp.rs:583:19
[INFO] [stdout]     |
[INFO] [stdout] 583 |     fn tcp_reader(&mut self, sn: Sn) -> Result<TcpReader<Self>, Error<Self::Error>>
[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] 583 |     fn tcp_reader(&mut self, sn: Sn) -> Result<TcpReader<'_, Self>, Error<Self::Error>>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tcp.rs:616:19
[INFO] [stdout]     |
[INFO] [stdout] 616 |     fn tcp_writer(&mut self, sn: Sn) -> Result<TcpWriter<Self>, Self::Error>
[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] 616 |     fn tcp_writer(&mut self, sn: Sn) -> Result<TcpWriter<'_, Self>, Self::Error>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/udp.rs:769:19
[INFO] [stdout]     |
[INFO] [stdout] 769 |     fn udp_reader(&mut self, sn: Sn) -> Result<UdpReader<Self>, Error<Self::Error>>
[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] 769 |     fn udp_reader(&mut self, sn: Sn) -> Result<UdpReader<'_, Self>, Error<Self::Error>>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/udp.rs:812:19
[INFO] [stdout]     |
[INFO] [stdout] 812 |     fn udp_writer(&mut self, sn: Sn) -> Result<UdpWriter<Self>, Self::Error>
[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] 812 |     fn udp_writer(&mut self, sn: Sn) -> Result<UdpWriter<'_, Self>, Self::Error>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tcp.rs:583:19
[INFO] [stdout]     |
[INFO] [stdout] 583 |     fn tcp_reader(&mut self, sn: Sn) -> Result<TcpReader<Self>, Error<Self::Error>>
[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] 583 |     fn tcp_reader(&mut self, sn: Sn) -> Result<TcpReader<'_, Self>, Error<Self::Error>>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tcp.rs:616:19
[INFO] [stdout]     |
[INFO] [stdout] 616 |     fn tcp_writer(&mut self, sn: Sn) -> Result<TcpWriter<Self>, Self::Error>
[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] 616 |     fn tcp_writer(&mut self, sn: Sn) -> Result<TcpWriter<'_, Self>, Self::Error>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/udp.rs:769:19
[INFO] [stdout]     |
[INFO] [stdout] 769 |     fn udp_reader(&mut self, sn: Sn) -> Result<UdpReader<Self>, Error<Self::Error>>
[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] 769 |     fn udp_reader(&mut self, sn: Sn) -> Result<UdpReader<'_, Self>, Error<Self::Error>>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/udp.rs:812:19
[INFO] [stdout]     |
[INFO] [stdout] 812 |     fn udp_writer(&mut self, sn: Sn) -> Result<UdpWriter<Self>, Self::Error>
[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] 812 |     fn udp_writer(&mut self, sn: Sn) -> Result<UdpWriter<'_, Self>, Self::Error>
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/lib.rs:368:71
[INFO] [stdout]     |
[INFO] [stdout] 368 |           fn sn_port(&mut self, socket: Sn) -> Result<u16, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________________^
[INFO] [stdout] 369 | |             Ok(self.socket_ports[usize::from(socket)])
[INFO] [stdout] 370 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/lib.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             Ok(self.socket_ports[usize::from(socket)])
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<w5500_ll::SocketStatus, u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:372:90
[INFO] [stdout]     |
[INFO] [stdout] 372 |           fn sn_sr(&mut self, socket: Sn) -> Result<Result<SocketStatus, u8>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________________^
[INFO] [stdout] 373 | |             Ok(Ok(self.socket_status[usize::from(socket)]))
[INFO] [stdout] 374 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<w5500_ll::SocketStatus, u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             Ok(Ok(self.socket_status[usize::from(socket)]))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |         assert!(port_is_unique(&mut mock, Sn::Sn0, 0).unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:385:17
[INFO] [stdout]     |
[INFO] [stdout] 385 |         assert!(port_is_unique(&mut mock, Sn::Sn0, 1).unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:386:17
[INFO] [stdout]     |
[INFO] [stdout] 386 |         assert!(port_is_unique(&mut mock, Sn::Sn0, u16::MAX).unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         assert!(port_is_unique(&mut mock, Sn::Sn0, 0).unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:393:17
[INFO] [stdout]     |
[INFO] [stdout] 393 |         assert!(port_is_unique(&mut mock, Sn::Sn0, 1).unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:396:18
[INFO] [stdout]     |
[INFO] [stdout] 396 |         assert!(!port_is_unique(&mut mock, Sn::Sn1, 0).unwrap());
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 |           fn sn_rx_rsr(&mut self, _socket: Sn) -> Result<u16, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 18 | |             Ok(1024)
[INFO] [stdout] 19 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             Ok(1024)
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<w5500_ll::SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:21:91
[INFO] [stdout]    |
[INFO] [stdout] 21 |           fn sn_sr(&mut self, _socket: Sn) -> Result<Result<SocketStatus, u8>, Self::Error> {
[INFO] [stdout]    |  ___________________________________________________________________________________________^
[INFO] [stdout] 22 | |             Ok(SocketStatus::try_from(u8::from(SocketStatus::Closed)))
[INFO] [stdout] 23 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<w5500_ll::SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Ok(SocketStatus::try_from(u8::from(SocketStatus::Closed)))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         test.udp_send_to(Sn::Sn0, &buf, &SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, 0))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         test.udp_send(Sn::Sn0, &buf).ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:84:74
[INFO] [stdout]    |
[INFO] [stdout] 84 |           fn sn_rx_rsr(&mut self, _socket: Sn) -> Result<u16, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 85 | |             Ok(5)
[INFO] [stdout] 86 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `w5500-hl` (lib test) due to 8 previous errors; 6 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/udp.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Ok(5)
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this type continue be must used: Result<Result<w5500_ll::SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]    --> tests/udp.rs:157:90
[INFO] [stdout]     |
[INFO] [stdout] 157 |           fn sn_sr(&mut self, socket: Sn) -> Result<Result<SocketStatus, u8>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________________^
[INFO] [stdout] 158 | |             assert_eq!(socket, TEST_SOCKET);
[INFO] [stdout] 159 | |             Ok(SocketStatus::try_from(
[INFO] [stdout] 160 | |                 self.sn_sr.pop().expect("Unexpected socket status read"),
[INFO] [stdout] 161 | |             ))
[INFO] [stdout] 162 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `w5500-hl` (test "udp") due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] warning: this type continue be must used: Result<Result<w5500_ll::SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]    --> tests/udp.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 | /             Ok(SocketStatus::try_from(
[INFO] [stdout] 160 | |                 self.sn_sr.pop().expect("Unexpected socket status read"),
[INFO] [stdout] 161 | |             ))
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]    --> tests/udp.rs:164:71
[INFO] [stdout]     |
[INFO] [stdout] 164 |           fn sn_port(&mut self, socket: Sn) -> Result<u16, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________________^
[INFO] [stdout] 165 | |             Ok(u16::from(u8::from(socket)))
[INFO] [stdout] 166 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]    --> tests/udp.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Ok(u16::from(u8::from(socket)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::Ipv4Addr, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:14:61
[INFO] [stdout]    |
[INFO] [stdout] 14 |           fn sipr(&mut self) -> Result<Ipv4Addr, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 15 | |             Ok(Ipv4Addr::LOCALHOST)
[INFO] [stdout] 16 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::Ipv4Addr, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Ok(Ipv4Addr::LOCALHOST)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:18:71
[INFO] [stdout]    |
[INFO] [stdout] 18 |           fn sn_port(&mut self, socket: Sn) -> Result<u16, Self::Error> {
[INFO] [stdout]    |  _______________________________________________________________________^
[INFO] [stdout] 19 | |             Ok(u16::from(u8::from(socket)))
[INFO] [stdout] 20 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             Ok(u16::from(u8::from(socket)))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::SocketAddrV4, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |             assert_eq!(mock.local_addr(*socket), Ok(expected));
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::SocketAddrV4, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:36:50
[INFO] [stdout]    |
[INFO] [stdout] 36 |             assert_eq!(mock.local_addr(*socket), Ok(expected));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::SocketAddrV4, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             assert_eq!(mock.local_addr(*socket), Ok(expected));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::SocketAddrV4, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             assert_eq!(mock.local_addr(*socket), Ok(expected));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::SocketAddrV4, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             assert_eq!(mock.local_addr(*socket), Ok(expected));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::net::SocketAddrV4, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             assert_eq!(mock.local_addr(*socket), Ok(expected));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:85:90
[INFO] [stdout]    |
[INFO] [stdout] 85 |           fn sn_sr(&mut self, socket: Sn) -> Result<Result<SocketStatus, u8>, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________________________________________^
[INFO] [stdout] 86 | |             assert_eq!(socket, SOCKET);
[INFO] [stdout] 87 | |             Ok(self.states.pop().expect("Unexpected call to sn_sr"))
[INFO] [stdout] 88 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]   --> tests/common.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Ok(self.states.pop().expect("Unexpected call to sn_sr"))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:123:22
[INFO] [stdout]     |
[INFO] [stdout] 123 |             assert!(!mock.is_state_closed(SOCKET).unwrap());
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         assert!(mock.is_state_closed(SOCKET).unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:145:90
[INFO] [stdout]     |
[INFO] [stdout] 145 |           fn sn_sr(&mut self, socket: Sn) -> Result<Result<SocketStatus, u8>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________________^
[INFO] [stdout] 146 | |             assert_eq!(socket, SOCKET);
[INFO] [stdout] 147 | |             Ok(self.states.pop().expect("Unexpected call to sn_sr"))
[INFO] [stdout] 148 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             Ok(self.states.pop().expect("Unexpected call to sn_sr"))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:183:22
[INFO] [stdout]     |
[INFO] [stdout] 183 |             assert!(!mock.is_state_tcp(SOCKET).unwrap());
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |             assert!(mock.is_state_tcp(SOCKET).unwrap());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:207:90
[INFO] [stdout]     |
[INFO] [stdout] 207 |           fn sn_sr(&mut self, socket: Sn) -> Result<Result<SocketStatus, u8>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________________^
[INFO] [stdout] 208 | |             assert_eq!(socket, SOCKET);
[INFO] [stdout] 209 | |             Ok(self.states.pop().expect("Unexpected call to sn_sr"))
[INFO] [stdout] 210 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<SocketStatus, u8>, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             Ok(self.states.pop().expect("Unexpected call to sn_sr"))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:245:22
[INFO] [stdout]     |
[INFO] [stdout] 245 |             assert!(!mock.is_state_udp(SOCKET).unwrap());
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, std::convert::Infallible>
[INFO] [stdout]    --> tests/common.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |         assert!(mock.is_state_udp(SOCKET).unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `w5500-hl` (test "common") due to 16 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fa1e4a791a621f3b94029065822fbbfb5a81706bde8f97ab977153d98127bbfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1e4a791a621f3b94029065822fbbfb5a81706bde8f97ab977153d98127bbfe", kill_on_drop: false }`
[INFO] [stdout] fa1e4a791a621f3b94029065822fbbfb5a81706bde8f97ab977153d98127bbfe
