[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> { [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> { [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 { [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 { [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 [INFO] [stdout] --> src/pin_refreshable.rs:127:56 [INFO] [stdout] | [INFO] [stdout] 127 | fn is_high(&mut self) -> Result { [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 [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 [INFO] [stdout] --> src/pin_refreshable.rs:137:55 [INFO] [stdout] | [INFO] [stdout] 137 | fn is_low(&mut self) -> Result { [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 [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, 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 [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 [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 [INFO] [stdout] --> src/pin_refreshable.rs:177:60 [INFO] [stdout] | [INFO] [stdout] 177 | fn is_set_high(&mut self) -> Result { [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 [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 [INFO] [stdout] --> src/pin_refreshable.rs:181:59 [INFO] [stdout] | [INFO] [stdout] 181 | fn is_set_low(&mut self) -> Result { [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 [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