[INFO] crate cryptosphere 0.0.0 is already in cache [INFO] testing cryptosphere-0.0.0 against 1.38.0 for beta-1.39-1 [INFO] extracting crate cryptosphere 0.0.0 into work/builds/worker-0/source [INFO] validating manifest of crates.io crate cryptosphere 0.0.0 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate cryptosphere 0.0.0 [INFO] finished tweaking crates.io crate cryptosphere 0.0.0 [INFO] tweaked toml for crates.io crate cryptosphere 0.0.0 written to work/builds/worker-0/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] e7aec7d00d78d8a4440f390e21e932bb1f4bd78582867451f3396eade3690a97 [INFO] running `"docker" "start" "-a" "e7aec7d00d78d8a4440f390e21e932bb1f4bd78582867451f3396eade3690a97"` [INFO] [stderr] warning: dependency (nickel) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Compiling groupable v0.2.0 [INFO] [stderr] Compiling mustache v0.9.0 [INFO] [stderr] Compiling nickel v0.11.0 [INFO] [stderr] Compiling cryptosphere v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | server.get("/", middleware! { |_request, response| [INFO] [stderr] | ___________________^ [INFO] [stderr] 10 | | return response.send_file(&Path::new("frontend/index.html")) [INFO] [stderr] 11 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:13:3 [INFO] [stderr] | [INFO] [stderr] 6 | fn main() { [INFO] [stderr] | - expected `()` because of default return type [INFO] [stderr] ... [INFO] [stderr] 13 | server.listen("127.0.0.1:3000") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: try adding a semicolon: `;` [INFO] [stderr] | | [INFO] [stderr] | expected (), found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `()` [INFO] [stderr] found type `std::result::Result>` [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 `cryptosphere`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e7aec7d00d78d8a4440f390e21e932bb1f4bd78582867451f3396eade3690a97"` [INFO] running `"docker" "rm" "-f" "e7aec7d00d78d8a4440f390e21e932bb1f4bd78582867451f3396eade3690a97"` [INFO] [stdout] e7aec7d00d78d8a4440f390e21e932bb1f4bd78582867451f3396eade3690a97