[INFO] cloning repository https://github.com/Endi1/rsa
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Endi1/rsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndi1%2Frsa"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndi1%2Frsa'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 565c6e4864a4acb9be37e757bc9d58a97373bc6a
[INFO] testing Endi1/rsa against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndi1%2Frsa" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Endi1/rsa on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Endi1/rsa already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "+1.44.0" "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] 74a1ec1d4429b79796721d9c9e6e67bc25c6345256400845a9ffdb6cb8955e43
[INFO] running `"docker" "start" "-a" "74a1ec1d4429b79796721d9c9e6e67bc25c6345256400845a9ffdb6cb8955e43"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.35
[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 (notice the capitalization): `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]   --> src/main.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / extern crate rand;
[INFO] [stderr] 2  | | use rand::Rng;
[INFO] [stderr] 3  | | use std::u64;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |     }
[INFO] [stderr] 91 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[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" "74a1ec1d4429b79796721d9c9e6e67bc25c6345256400845a9ffdb6cb8955e43"`
[INFO] running `"docker" "rm" "-f" "74a1ec1d4429b79796721d9c9e6e67bc25c6345256400845a9ffdb6cb8955e43"`
[INFO] [stdout] 74a1ec1d4429b79796721d9c9e6e67bc25c6345256400845a9ffdb6cb8955e43