[INFO] crate matrix_rhal 0.0.6 is already in cache
[INFO] checking matrix_rhal-0.0.6 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate matrix_rhal 0.0.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate matrix_rhal 0.0.6 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate matrix_rhal 0.0.6
[INFO] finished tweaking crates.io crate matrix_rhal 0.0.6
[INFO] tweaked toml for crates.io crate matrix_rhal 0.0.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate matrix_rhal 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] bd8ec71c5db37cf1bfea99bfcb8acd889c11b723973737901425914d84662538
[INFO] running `"docker" "start" "-a" "bd8ec71c5db37cf1bfea99bfcb8acd889c11b723973737901425914d84662538"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking matrix_rhal v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             ((period_seconds * fpga_clock as f32) / ((1 << GPIO_PRESCALER) * 2) as f32) as u32;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u16` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:184:28
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let duty_counter = ((period_counter as f32 * percentage) / 100.0) as u16;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:228:35
[INFO] [stderr]     |
[INFO] [stderr] 228 |           let period_counter: u32 = ((PERIOD_SECONDS * self.bus.fpga_frequency as f32)
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 229 | |             / (((1 << GPIO_PRESCALER) * 2) as f32)) as u32;
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:233:28
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let servo_middle = (period_counter as f32 * 0.075) as u32;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:234:28
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let servo_offset = (period_counter as f32 * (min_pulse_ms / 20.0)) as u32;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             ((period_seconds * fpga_clock as f32) / ((1 << GPIO_PRESCALER) * 2) as f32) as u32;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u16` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:184:28
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let duty_counter = ((period_counter as f32 * percentage) / 100.0) as u16;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:228:35
[INFO] [stderr]     |
[INFO] [stderr] 228 |           let period_counter: u32 = ((PERIOD_SECONDS * self.bus.fpga_frequency as f32)
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 229 | |             / (((1 << GPIO_PRESCALER) * 2) as f32)) as u32;
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:233:28
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let servo_middle = (period_counter as f32 * 0.075) as u32;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/gpio/mod.rs:234:28
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let servo_offset = (period_counter as f32 * (min_pulse_ms / 20.0)) as u32;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `matrix_rhal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `matrix_rhal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bd8ec71c5db37cf1bfea99bfcb8acd889c11b723973737901425914d84662538"`
[INFO] running `"docker" "rm" "-f" "bd8ec71c5db37cf1bfea99bfcb8acd889c11b723973737901425914d84662538"`
[INFO] [stdout] bd8ec71c5db37cf1bfea99bfcb8acd889c11b723973737901425914d84662538