[INFO] updating cached repository https://github.com/masonk/libbsearch
[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] 451a76f7f0b7c0c0c978d346934d64f2966e2908
[INFO] testing masonk/libbsearch against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonk%2Flibbsearch" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masonk/libbsearch on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/masonk/libbsearch
[INFO] finished tweaking git repo https://github.com/masonk/libbsearch
[INFO] tweaked toml for git repo https://github.com/masonk/libbsearch written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/masonk/libbsearch already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] ac8058a77c3c3906f6d6617f359439a47424d18b8280b1507e59266e006b280c
[INFO] running `"docker" "start" "-a" "ac8058a77c3c3906f6d6617f359439a47424d18b8280b1507e59266e006b280c"`
[INFO] [stderr]    Compiling bsearch v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `bsearch`
[INFO] [stderr]    --> src/main.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / #![feature(range_contains)]
[INFO] [stderr] 2   | | use std::cmp::Ordering;
[INFO] [stderr] 3   | | use std::cmp::Ordering::{Less, Greater, Equal};
[INFO] [stderr] 4   | |
[INFO] [stderr] ...   |
[INFO] [stderr] 240 | |     }
[INFO] [stderr] 241 | | }
[INFO] [stderr]     | |_^ 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 `bsearch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ac8058a77c3c3906f6d6617f359439a47424d18b8280b1507e59266e006b280c"`
[INFO] running `"docker" "rm" "-f" "ac8058a77c3c3906f6d6617f359439a47424d18b8280b1507e59266e006b280c"`
[INFO] [stdout] ac8058a77c3c3906f6d6617f359439a47424d18b8280b1507e59266e006b280c