[INFO] fetching crate pca9539 0.4.0...
[INFO] checking pca9539-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pca9539 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pca9539 0.4.0
[INFO] finished tweaking crates.io crate pca9539 0.4.0
[INFO] tweaked toml for crates.io crate pca9539 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pca9539 0.4.0 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] crate crates.io crate pca9539 0.4.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6f89da736867e71a4686cf8cdcbd196ed6b1c048741ef002517096b72edd4157
[INFO] running `Command { std: "docker" "start" "-a" "6f89da736867e71a4686cf8cdcbd196ed6b1c048741ef002517096b72edd4157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f89da736867e71a4686cf8cdcbd196ed6b1c048741ef002517096b72edd4157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f89da736867e71a4686cf8cdcbd196ed6b1c048741ef002517096b72edd4157", kill_on_drop: false }`
[INFO] [stdout] 6f89da736867e71a4686cf8cdcbd196ed6b1c048741ef002517096b72edd4157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2c9954fed145cb9a74854f8fee5ede7f535dc59fd057551ae9667cdfe1672d93
[INFO] running `Command { std: "docker" "start" "-a" "2c9954fed145cb9a74854f8fee5ede7f535dc59fd057551ae9667cdfe1672d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking pca9539 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/expander.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn pins(&mut self) -> Pins<B, LockFreeGuard<B>> {
[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] 215 |     pub fn pins(&mut self) -> Pins<B, LockFreeGuard<'_, B>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pins.rs:183:20
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn get_pin(&self, bank: Bank, id: PinID) -> Pin<B, R, Input, RegularAccessMode> {
[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] 183 |     pub fn get_pin(&self, bank: Bank, id: PinID) -> Pin<'_, B, R, Input, RegularAccessMode> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pins.rs:191:32
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn get_refreshable_pin(&self, bank: Bank, id: PinID) -> Pin<B, R, Input, RefreshMode> {
[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 get_refreshable_pin(&self, bank: Bank, id: PinID) -> Pin<'_, B, R, Input, RefreshMode> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:127:56
[INFO] [stdout]     |
[INFO] [stdout] 127 |       fn is_high(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________^
[INFO] [stdout] 128 | |         let mut state = false;
[INFO] [stdout] 129 | |
[INFO] [stdout] 130 | |         self.expander.access(|expander| {
[INFO] [stdout] ...   |
[INFO] [stdout] 134 | |         Ok(state)
[INFO] [stdout] 135 | |     }
[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<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         Ok(state)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:137:55
[INFO] [stdout]     |
[INFO] [stdout] 137 |       fn is_low(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout] 138 | |         Ok(!self.is_high()?)
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(!self.is_high()?)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, bool>
[INFO] [stdout]    --> src/pin_refreshable.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(!self.is_high()?)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(!self.is_high()?)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(!self.is_high()?)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:177:60
[INFO] [stdout]     |
[INFO] [stdout] 177 |       fn is_set_high(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 178 | |         Ok(self.is_pin_output_high())
[INFO] [stdout] 179 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Ok(self.is_pin_output_high())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:181:59
[INFO] [stdout]     |
[INFO] [stdout] 181 |       fn is_set_low(&mut self) -> Result<bool, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________^
[INFO] [stdout] 182 | |         Ok(!self.is_pin_output_high())
[INFO] [stdout] 183 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/pin_refreshable.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         Ok(!self.is_pin_output_high())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pca9539` (lib) due to 11 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2c9954fed145cb9a74854f8fee5ede7f535dc59fd057551ae9667cdfe1672d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9954fed145cb9a74854f8fee5ede7f535dc59fd057551ae9667cdfe1672d93", kill_on_drop: false }`
[INFO] [stdout] 2c9954fed145cb9a74854f8fee5ede7f535dc59fd057551ae9667cdfe1672d93
