[INFO] cloning repository https://github.com/mcr431/boolfuck-ACTIVE-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcr431/boolfuck-ACTIVE-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcr431%2Fboolfuck-ACTIVE-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcr431%2Fboolfuck-ACTIVE-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a411fb98388b97e14eb6a1920e51b51c1fc0a61
[INFO] checking mcr431/boolfuck-ACTIVE- against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcr431%2Fboolfuck-ACTIVE-" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcr431/boolfuck-ACTIVE- on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mcr431/boolfuck-ACTIVE-
[INFO] finished tweaking git repo https://github.com/mcr431/boolfuck-ACTIVE-
[INFO] tweaked toml for git repo https://github.com/mcr431/boolfuck-ACTIVE- written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mcr431/boolfuck-ACTIVE- already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 845b708d2574778d9f0fa13c09082b7d58ea6f49deb20bd5d81b8f8363544288
[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" "845b708d2574778d9f0fa13c09082b7d58ea6f49deb20bd5d81b8f8363544288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "845b708d2574778d9f0fa13c09082b7d58ea6f49deb20bd5d81b8f8363544288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845b708d2574778d9f0fa13c09082b7d58ea6f49deb20bd5d81b8f8363544288", kill_on_drop: false }`
[INFO] [stdout] 845b708d2574778d9f0fa13c09082b7d58ea6f49deb20bd5d81b8f8363544288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0be08d25447c04a3823b402a436c145c4951a854fb720f00c0dc89739192f87
[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" "e0be08d25447c04a3823b402a436c145c4951a854fb720f00c0dc89739192f87", kill_on_drop: false }`
[INFO] [stderr]     Checking boolfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `boolfuck`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / mod boolfuck;
[INFO] [stdout] 2 | |
[INFO] [stdout] 3 | | #[test]
[INFO] [stdout] 4 | | fn boolfuck_test() {
[INFO] [stdout] 5 | |     use boolfuck::boolfuck;
[INFO] [stdout] 6 | |     assert_eq!(boolfuck(">[>]+<[+<]>>>>>>>>>[+]<<<<<<<<<>[>]+<[+<]>>>>>>>>>[+]<<<<<<<<<>[>]+<[+<]>>>>>>>>>[+]<<<<<<<<<>[>]+<[+<]>>>>>>>>>...
[INFO] [stdout] 7 | | }
[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 `boolfuck`
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "e0be08d25447c04a3823b402a436c145c4951a854fb720f00c0dc89739192f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0be08d25447c04a3823b402a436c145c4951a854fb720f00c0dc89739192f87", kill_on_drop: false }`
[INFO] [stdout] e0be08d25447c04a3823b402a436c145c4951a854fb720f00c0dc89739192f87