[INFO] updating cached repository https://github.com/Net-Rusters/image-segmentation
[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] 5a11eceac1a714370805cb8b44fa89a97f0328b0
[INFO] testing Net-Rusters/image-segmentation against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNet-Rusters%2Fimage-segmentation" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Net-Rusters/image-segmentation on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Net-Rusters/image-segmentation
[INFO] finished tweaking git repo https://github.com/Net-Rusters/image-segmentation
[INFO] tweaked toml for git repo https://github.com/Net-Rusters/image-segmentation written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Net-Rusters/image-segmentation already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b984570a96a2eb6456d4bb724e66859998f2c160fef635d3e9e47a27066b74d7
[INFO] running `"docker" "start" "-a" "b984570a96a2eb6456d4bb724e66859998f2c160fef635d3e9e47a27066b74d7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling deflate v0.8.3
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling png v0.16.1
[INFO] [stderr]    Compiling image v0.23.2
[INFO] [stderr]    Compiling image-combiner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Pair` in this scope
[INFO] [stderr]   --> src/main.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn to_pair(value: &u32, max_y: &u32) -> Pair {
[INFO] [stderr]    |                                         ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `Pair` in this scope
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Pair { x: value / max_y,  y: value % max_y }
[INFO] [stderr]    |     ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let r: f64 = (channels1[0] as f64 - channels2[0] as f64);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:67:18
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let g: f64 = (channels1[1] as f64 - channels2[1] as f64);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:68:18
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let b: f64 = (channels1[2] as f64 - channels2[2] as f64);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0422.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `image-combiner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b984570a96a2eb6456d4bb724e66859998f2c160fef635d3e9e47a27066b74d7"`
[INFO] running `"docker" "rm" "-f" "b984570a96a2eb6456d4bb724e66859998f2c160fef635d3e9e47a27066b74d7"`
[INFO] [stdout] b984570a96a2eb6456d4bb724e66859998f2c160fef635d3e9e47a27066b74d7