[INFO] updating cached repository https://github.com/kevinleethompson/imgfun
[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] 8cb2bfa7458c7cf6c4c0b5ef16ed12ad6110339f
[INFO] checking kevinleethompson/imgfun against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinleethompson%2Fimgfun" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinleethompson/imgfun on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kevinleethompson/imgfun
[INFO] finished tweaking git repo https://github.com/kevinleethompson/imgfun
[INFO] tweaked toml for git repo https://github.com/kevinleethompson/imgfun written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinleethompson/imgfun already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=allow" "-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-2019-10-27" "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] 3d83ebcb1217815e53c9ba1753b6cc755050e5e630eb9d1e3f06002785d455f0
[INFO] running `"docker" "start" "-a" "3d83ebcb1217815e53c9ba1753b6cc755050e5e630eb9d1e3f06002785d455f0"`
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking nalgebra v0.16.13
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking imgfun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `utils`
[INFO] [stderr]    --> src/bin/utils.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / pub use nalgebra::{Vector3, Vector4};
[INFO] [stderr] 2   | |
[INFO] [stderr] 3   | | pub mod objects {
[INFO] [stderr] 4   | |     use super::render_funcs::{cast_ray, reflect, refract};
[INFO] [stderr] ...   |
[INFO] [stderr] 219 | |     }
[INFO] [stderr] 220 | | }
[INFO] [stderr]     | |_^ consider adding a `main` function to `src/bin/utils.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `imgfun`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3d83ebcb1217815e53c9ba1753b6cc755050e5e630eb9d1e3f06002785d455f0"`
[INFO] running `"docker" "rm" "-f" "3d83ebcb1217815e53c9ba1753b6cc755050e5e630eb9d1e3f06002785d455f0"`
[INFO] [stdout] 3d83ebcb1217815e53c9ba1753b6cc755050e5e630eb9d1e3f06002785d455f0