[INFO] crate qei 1.0.2 is already in cache
[INFO] extracting crate qei 1.0.2 into work/ex/clippy-test-run/sources/stable/reg/qei/1.0.2
[INFO] extracting crate qei 1.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/qei/1.0.2
[INFO] validating manifest of qei-1.0.2 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of qei-1.0.2 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing qei-1.0.2
[INFO] finished frobbing qei-1.0.2
[INFO] frobbed toml for qei-1.0.2 written to work/ex/clippy-test-run/sources/stable/reg/qei/1.0.2/Cargo.toml
[INFO] started frobbing qei-1.0.2
[INFO] finished frobbing qei-1.0.2
[INFO] frobbed toml for qei-1.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/qei/1.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting qei-1.0.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/qei/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f06e0acafbe772703112ac3c47a20babedc5a411a390df5a805c5bcfe3cdc09
[INFO] running `"docker" "start" "-a" "3f06e0acafbe772703112ac3c47a20babedc5a411a390df5a805c5bcfe3cdc09"`
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]     Checking qei v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lib.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 86 | |             if self.previous_count - current_count < THRESHOLD {
[INFO] [stderr] 87 | |                 // Clockwise rotation, no overflow
[INFO] [stderr] 88 | |                 self.counter -= (self.previous_count - current_count) as i64;
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |             }
[INFO] [stderr] 96 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 85 |         } else if self.previous_count - current_count < THRESHOLD {
[INFO] [stderr] 86 |     // Clockwise rotation, no overflow
[INFO] [stderr] 87 |     self.counter -= (self.previous_count - current_count) as i64;
[INFO] [stderr] 88 | } else if self.previous_count - current_count > THRESHOLD {
[INFO] [stderr] 89 |     // Counterclockwise rotation with overflow
[INFO] [stderr] 90 |     self.counter += (u16::max_value() - self.previous_count + current_count + 1) as i64;
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 self.counter += (current_count - self.previous_count) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(current_count - self.previous_count)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 self.counter -= (u16::max_value() - current_count + self.previous_count + 1) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u16::max_value() - current_count + self.previous_count + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 self.counter -= (self.previous_count - current_count) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(self.previous_count - current_count)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 self.counter += (u16::max_value() - self.previous_count + current_count + 1) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u16::max_value() - self.previous_count + current_count + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `cortex_m`
[INFO] [stderr]  --> examples/stm32f103.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate cortex_m; //  Low-level functions for ARM Cortex-M3 processor in STM32 Blue Pill.
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `qei`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lib.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 86 | |             if self.previous_count - current_count < THRESHOLD {
[INFO] [stderr] 87 | |                 // Clockwise rotation, no overflow
[INFO] [stderr] 88 | |                 self.counter -= (self.previous_count - current_count) as i64;
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |             }
[INFO] [stderr] 96 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 85 |         } else if self.previous_count - current_count < THRESHOLD {
[INFO] [stderr] 86 |     // Clockwise rotation, no overflow
[INFO] [stderr] 87 |     self.counter -= (self.previous_count - current_count) as i64;
[INFO] [stderr] 88 | } else if self.previous_count - current_count > THRESHOLD {
[INFO] [stderr] 89 |     // Counterclockwise rotation with overflow
[INFO] [stderr] 90 |     self.counter += (u16::max_value() - self.previous_count + current_count + 1) as i64;
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 self.counter += (current_count - self.previous_count) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(current_count - self.previous_count)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 self.counter -= (u16::max_value() - current_count + self.previous_count + 1) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u16::max_value() - current_count + self.previous_count + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 self.counter -= (self.previous_count - current_count) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(self.previous_count - current_count)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 self.counter += (u16::max_value() - self.previous_count + current_count + 1) as i64;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u16::max_value() - self.previous_count + current_count + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3f06e0acafbe772703112ac3c47a20babedc5a411a390df5a805c5bcfe3cdc09"`
[INFO] running `"docker" "rm" "-f" "3f06e0acafbe772703112ac3c47a20babedc5a411a390df5a805c5bcfe3cdc09"`
[INFO] [stdout] 3f06e0acafbe772703112ac3c47a20babedc5a411a390df5a805c5bcfe3cdc09