[INFO] cloning repository https://github.com/mleprince/cracking-coding-interview-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mleprince/cracking-coding-interview-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmleprince%2Fcracking-coding-interview-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmleprince%2Fcracking-coding-interview-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9909f8e2db3fb173c85523cac47df3b0d8084c2
[INFO] testing mleprince/cracking-coding-interview-rust against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmleprince%2Fcracking-coding-interview-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mleprince/cracking-coding-interview-rust on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mleprince/cracking-coding-interview-rust
[INFO] finished tweaking git repo https://github.com/mleprince/cracking-coding-interview-rust
[INFO] tweaked toml for git repo https://github.com/mleprince/cracking-coding-interview-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mleprince/cracking-coding-interview-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7e225df99906fc390cad2ad0f40f7fc7646e6d49085901e1f42788eca4051b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7e225df99906fc390cad2ad0f40f7fc7646e6d49085901e1f42788eca4051b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e225df99906fc390cad2ad0f40f7fc7646e6d49085901e1f42788eca4051b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e225df99906fc390cad2ad0f40f7fc7646e6d49085901e1f42788eca4051b6", kill_on_drop: false }`
[INFO] [stdout] e7e225df99906fc390cad2ad0f40f7fc7646e6d49085901e1f42788eca4051b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9eaf3236714bc5df64575aca621610e479410a0f8ad74b9cd17c63e009abe62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9eaf3236714bc5df64575aca621610e479410a0f8ad74b9cd17c63e009abe62", kill_on_drop: false }`
[INFO] [stderr]    Compiling cracking-coding-interview-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `cracking_coding_interview_rust`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod ArraysAndStrings;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cracking-coding-interview-rust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a9eaf3236714bc5df64575aca621610e479410a0f8ad74b9cd17c63e009abe62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9eaf3236714bc5df64575aca621610e479410a0f8ad74b9cd17c63e009abe62", kill_on_drop: false }`
[INFO] [stdout] a9eaf3236714bc5df64575aca621610e479410a0f8ad74b9cd17c63e009abe62
