[INFO] updating cached repository https://github.com/timigen/project_euler
[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] 837170fe76aa87792d3ee96c8b52884921f98e01
[INFO] testing timigen/project_euler against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimigen%2Fproject_euler" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timigen/project_euler 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/timigen/project_euler
[INFO] finished tweaking git repo https://github.com/timigen/project_euler
[INFO] tweaked toml for git repo https://github.com/timigen/project_euler written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/timigen/project_euler 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b39d387a852cdb296b5630be7c2115fbbd68d4f831b95d9ee4d32c74bca07d8e
[INFO] running `"docker" "start" "-a" "b39d387a852cdb296b5630be7c2115fbbd68d4f831b95d9ee4d32c74bca07d8e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `p2`
[INFO] [stderr]   --> src/bin/p2.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / pub fn solution() {
[INFO] [stderr] 2  | |     println!("\nproblem 2 _______________________________________");
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |     _loop();
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     println!("\n\twhile sum\t: {}", _sum);
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `src/bin/p2.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[E0601]: `main` function not found in crate `p1`
[INFO] [stderr]   --> src/bin/p1.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / pub fn solution() {
[INFO] [stderr] 2  | |     println!("\nproblem 1 _______________________________________");
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |     for_loop();
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     println!("\tfilter\t: {}", sum);
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `src/bin/p1.rs`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `project_euler`.
[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[E0601]: `main` function not found in crate `p3`
[INFO] [stderr]   --> src/bin/p3.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / pub fn solution() {
[INFO] [stderr] 2  | |     println!("\nproblem 3 _______________________________________");
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | |     _loop();
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     return true;
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `src/bin/p3.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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b39d387a852cdb296b5630be7c2115fbbd68d4f831b95d9ee4d32c74bca07d8e"`
[INFO] running `"docker" "rm" "-f" "b39d387a852cdb296b5630be7c2115fbbd68d4f831b95d9ee4d32c74bca07d8e"`
[INFO] [stdout] b39d387a852cdb296b5630be7c2115fbbd68d4f831b95d9ee4d32c74bca07d8e