[INFO] updating cached repository https://github.com/shardulbee/http [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] 0cb5904098e9441440f80845aef548be36a2c9b9 [INFO] checking shardulbee/http against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshardulbee%2Fhttp" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shardulbee/http on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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 /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/shardulbee/http already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ac51a8fb0a0842158d18ef7f7e543de673ce0370b4d46ecb25e6fe52fee60a2a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "ac51a8fb0a0842158d18ef7f7e543de673ce0370b4d46ecb25e6fe52fee60a2a"` [INFO] [stderr] Checking 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] warning: build failed, waiting for other jobs to finish... [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" "ac51a8fb0a0842158d18ef7f7e543de673ce0370b4d46ecb25e6fe52fee60a2a"` [INFO] running `"docker" "rm" "-f" "ac51a8fb0a0842158d18ef7f7e543de673ce0370b4d46ecb25e6fe52fee60a2a"` [INFO] [stdout] ac51a8fb0a0842158d18ef7f7e543de673ce0370b4d46ecb25e6fe52fee60a2a