[INFO] crate rust_gpiozero 0.2.0 is already in cache
[INFO] extracting crate rust_gpiozero 0.2.0 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/rust_gpiozero/0.2.0
[INFO] extracting crate rust_gpiozero 0.2.0 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/rust_gpiozero/0.2.0
[INFO] validating manifest of rust_gpiozero-0.2.0 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust_gpiozero-0.2.0 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust_gpiozero-0.2.0
[INFO] finished frobbing rust_gpiozero-0.2.0
[INFO] frobbed toml for rust_gpiozero-0.2.0 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/rust_gpiozero/0.2.0/Cargo.toml
[INFO] started frobbing rust_gpiozero-0.2.0
[INFO] finished frobbing rust_gpiozero-0.2.0
[INFO] frobbed toml for rust_gpiozero-0.2.0 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/rust_gpiozero/0.2.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust_gpiozero-0.2.0 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-7/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/rust_gpiozero/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f3e45a0c654d7523f7f3c141432bb17ed19b3d5350a7a291538cd5a8af11a44a
[INFO] running `"docker" "start" "-a" "f3e45a0c654d7523f7f3c141432bb17ed19b3d5350a7a291538cd5a8af11a44a"`
[INFO] [stderr]     Checking rppal v0.11.2
[INFO] [stderr]     Checking rust_gpiozero v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `value_to_state`
[INFO] [stderr]   --> src/output_devices.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn value_to_state(&self, value: bool) -> bool {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/input_devices.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     impl_io_device!();
[INFO] [stderr]    |     ------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value_to_state`
[INFO] [stderr]    --> src/output_devices.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  |         fn value_to_state(&self, value: bool) -> bool {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/input_devices.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     impl_io_device!();
[INFO] [stderr]     |     ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inactive_state`
[INFO] [stderr]    --> src/input_devices.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     inactive_state: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bounce_time`
[INFO] [stderr]    --> src/input_devices.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     bounce_time: Option<f32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value_to_state`
[INFO] [stderr]    --> src/output_devices.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  |         fn value_to_state(&self, value: bool) -> bool {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/input_devices.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     impl_io_device!();
[INFO] [stderr]     |     ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value_to_state`
[INFO] [stderr]   --> src/output_devices.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn value_to_state(&self, value: bool) -> bool {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/input_devices.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     impl_io_device!();
[INFO] [stderr]    |     ------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value_to_state`
[INFO] [stderr]    --> src/output_devices.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  |         fn value_to_state(&self, value: bool) -> bool {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/input_devices.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     impl_io_device!();
[INFO] [stderr]     |     ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inactive_state`
[INFO] [stderr]    --> src/input_devices.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     inactive_state: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bounce_time`
[INFO] [stderr]    --> src/input_devices.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     bounce_time: Option<f32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value_to_state`
[INFO] [stderr]    --> src/output_devices.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  |         fn value_to_state(&self, value: bool) -> bool {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/input_devices.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     impl_io_device!();
[INFO] [stderr]     |     ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/servo.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let _ = io::stdin().read(&mut [0u8]).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "f3e45a0c654d7523f7f3c141432bb17ed19b3d5350a7a291538cd5a8af11a44a"`
[INFO] running `"docker" "rm" "-f" "f3e45a0c654d7523f7f3c141432bb17ed19b3d5350a7a291538cd5a8af11a44a"`
[INFO] [stdout] f3e45a0c654d7523f7f3c141432bb17ed19b3d5350a7a291538cd5a8af11a44a