[INFO] updating cached repository https://github.com/shardulbee/http
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 0cb5904098e9441440f80845aef548be36a2c9b9
[INFO] testing shardulbee/http against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshardulbee%2Fhttp" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shardulbee/http on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shardulbee/http
[INFO] finished tweaking git repo https://github.com/shardulbee/http
[INFO] tweaked toml for git repo https://github.com/shardulbee/http written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/shardulbee/http already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5b372f4b0aecfe41ccd752ad97f3f773ea8c6b1a5a9d8d2530b9ab629ff65cd9
[INFO] running `"docker" "start" "-a" "5b372f4b0aecfe41ccd752ad97f3f773ea8c6b1a5a9d8d2530b9ab629ff65cd9"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:5:14
[INFO] [stderr]    |
[INFO] [stderr] 5  | fn main() -> Result<()> {
[INFO] [stderr]    |    ----      ^^^^^^^^^^ expected enum `std::result::Result`, found ()
[INFO] [stderr]    |    |
[INFO] [stderr]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr] ...
[INFO] [stderr] 12 |     Ok(());
[INFO] [stderr]    |           - help: consider removing this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::result::Result<(), std::io::Error>`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `hello_world`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5b372f4b0aecfe41ccd752ad97f3f773ea8c6b1a5a9d8d2530b9ab629ff65cd9"`
[INFO] running `"docker" "rm" "-f" "5b372f4b0aecfe41ccd752ad97f3f773ea8c6b1a5a9d8d2530b9ab629ff65cd9"`
[INFO] [stdout] 5b372f4b0aecfe41ccd752ad97f3f773ea8c6b1a5a9d8d2530b9ab629ff65cd9