[INFO] fetching crate gamma-lut 0.2.3...
[INFO] checking gamma-lut-0.2.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate gamma-lut 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gamma-lut 0.2.3 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gamma-lut 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gamma-lut 0.2.3
[INFO] tweaked toml for crates.io crate gamma-lut 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+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] 93aec5797043b9e4e27ad4c7a4f1f02fbdc039347437dac3c694d4735185ee67
[INFO] running `"docker" "start" "-a" "93aec5797043b9e4e27ad4c7a4f1f02fbdc039347437dac3c694d4735185ee67"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking gamma-lut v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]   --> src/lib.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let v = (x + 0.5).floor() as i32;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]   --> src/lib.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let v = (x + 0.5).floor() as i32;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u8` is invalid
[INFO] [stderr]    --> src/lib.rs:226:44
[INFO] [stderr]     |
[INFO] [stderr] 226 |             debug!("Setting {:?} to {:?}", ii as u8, *v);
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> src/lib.rs:396:39
[INFO] [stderr]     |
[INFO] [stderr] 396 |                     let true_result = ((overf(lin_dst, lin_src, alpha as f32) / 255.).powf(1. / g) * 255.) as u32;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `gamma-lut`.
[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[E0606]: casting `f32` as `u8` is invalid
[INFO] [stderr]    --> src/lib.rs:226:44
[INFO] [stderr]     |
[INFO] [stderr] 226 |             debug!("Setting {:?} to {:?}", ii as u8, *v);
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `gamma-lut`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "93aec5797043b9e4e27ad4c7a4f1f02fbdc039347437dac3c694d4735185ee67"`
[INFO] running `"docker" "rm" "-f" "93aec5797043b9e4e27ad4c7a4f1f02fbdc039347437dac3c694d4735185ee67"`
[INFO] [stdout] 93aec5797043b9e4e27ad4c7a4f1f02fbdc039347437dac3c694d4735185ee67