[INFO] updating cached repository https://github.com/Endi1/rsa
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 565c6e4864a4acb9be37e757bc9d58a97373bc6a
[INFO] testing Endi1/rsa against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndi1%2Frsa" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Endi1/rsa on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Endi1/rsa
[INFO] finished tweaking git repo https://github.com/Endi1/rsa
[INFO] tweaked toml for git repo https://github.com/Endi1/rsa written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Endi1/rsa already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4ea259f6a8dc295b641247f3aa0a21d93474009f163f4334c7f94781d389fd32
[INFO] running `"docker" "start" "-a" "4ea259f6a8dc295b641247f3aa0a21d93474009f163f4334c7f94781d389fd32"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type `keys` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct keys {
[INFO] [stderr]   |        ^^^^ help: convert the identifier to upper camel case: `Keys`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `rsa`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `src/main.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 `rsa`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ea259f6a8dc295b641247f3aa0a21d93474009f163f4334c7f94781d389fd32"`
[INFO] running `"docker" "rm" "-f" "4ea259f6a8dc295b641247f3aa0a21d93474009f163f4334c7f94781d389fd32"`
[INFO] [stdout] 4ea259f6a8dc295b641247f3aa0a21d93474009f163f4334c7f94781d389fd32