[INFO] fetching crate rust_gpiozero 0.2.0...
[INFO] checking rust_gpiozero-0.2.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate rust_gpiozero 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust_gpiozero 0.2.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust_gpiozero 0.2.0
[INFO] finished tweaking crates.io crate rust_gpiozero 0.2.0
[INFO] tweaked toml for crates.io crate rust_gpiozero 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ab9a726f318a006d3f1651e0fb22c95861bee2908c725fafd6efc702d99b5ff
[INFO] running `"docker" "start" "-a" "7ab9a726f318a006d3f1651e0fb22c95861bee2908c725fafd6efc702d99b5ff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking rust_gpiozero v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function 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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `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: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `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: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/servo.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     loop{
[INFO] [stderr] 12 | |         servo.max();
[INFO] [stderr] 13 | |         thread::sleep(Duration::from_millis(2000));
[INFO] [stderr] 14 | |         servo.min();
[INFO] [stderr] 15 | |         thread::sleep(Duration::from_millis(2000));
[INFO] [stderr] 16 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 19 |       let _ = io::stdin().read(&mut [0u8]).unwrap();
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `"docker" "inspect" "7ab9a726f318a006d3f1651e0fb22c95861bee2908c725fafd6efc702d99b5ff"`
[INFO] running `"docker" "rm" "-f" "7ab9a726f318a006d3f1651e0fb22c95861bee2908c725fafd6efc702d99b5ff"`
[INFO] [stdout] 7ab9a726f318a006d3f1651e0fb22c95861bee2908c725fafd6efc702d99b5ff