[INFO] updating cached repository https://github.com/planet0104/edge_detection
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 308648b1b6a46ec725779e0a4ee15e608d970ac8
[INFO] checking planet0104/edge_detection against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fedge_detection" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/planet0104/edge_detection on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/planet0104/edge_detection
[INFO] finished tweaking git repo https://github.com/planet0104/edge_detection
[INFO] tweaked toml for git repo https://github.com/planet0104/edge_detection written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/planet0104/edge_detection already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 62d4a2dc70a94cef986776d8aba13a275615b5ed09d2509c0dd3c83a0a8cfb33
[INFO] running `"docker" "start" "-a" "62d4a2dc70a94cef986776d8aba13a275615b5ed09d2509c0dd3c83a0a8cfb33"`
[INFO] [stderr]     Checking lodepng v2.1.2
[INFO] [stderr]     Checking image_contrast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]   --> src/main.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |               match((calc_pixel(buffer.get(i).unwrap_or(&buffer[i]), 255.0, threshold)
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 30 | |                         + calc_pixel(buffer.get(i+1).unwrap_or(&buffer[i]), -255.0, threshold)
[INFO] [stderr] 31 | |                         +calc_pixel(buffer.get(i).unwrap_or(&buffer[i]), 255.0, threshold)
[INFO] [stderr] 32 | |                         + calc_pixel(buffer.get(i+width).unwrap_or(&buffer[i]), -255.0, threshold)
[INFO] [stderr] 33 | |                         )/4.0) as i32{ //(Sum(..pixel..)/255*4)*255 = Sum(..pixel..)/4
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `image_contrast`.
[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 `i32` is invalid
[INFO] [stderr]   --> src/main.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |               match((calc_pixel(buffer.get(i).unwrap_or(&buffer[i]), 255.0, threshold)
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 30 | |                         + calc_pixel(buffer.get(i+1).unwrap_or(&buffer[i]), -255.0, threshold)
[INFO] [stderr] 31 | |                         +calc_pixel(buffer.get(i).unwrap_or(&buffer[i]), 255.0, threshold)
[INFO] [stderr] 32 | |                         + calc_pixel(buffer.get(i+width).unwrap_or(&buffer[i]), -255.0, threshold)
[INFO] [stderr] 33 | |                         )/4.0) as i32{ //(Sum(..pixel..)/255*4)*255 = Sum(..pixel..)/4
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `image_contrast`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "62d4a2dc70a94cef986776d8aba13a275615b5ed09d2509c0dd3c83a0a8cfb33"`
[INFO] running `"docker" "rm" "-f" "62d4a2dc70a94cef986776d8aba13a275615b5ed09d2509c0dd3c83a0a8cfb33"`
[INFO] [stdout] 62d4a2dc70a94cef986776d8aba13a275615b5ed09d2509c0dd3c83a0a8cfb33