[INFO] updating cached repository cwbriones/simple-server [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cwbriones/simple-server [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cwbriones/simple-server" "work/ex/beta-1.37-6/sources/1.36.0/gh/cwbriones/simple-server"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cwbriones/simple-server'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cwbriones/simple-server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwbriones/simple-server"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwbriones/simple-server'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c2106e5f11a7a41bf2d72d846f086c09ba6d1563 [INFO] sha for GitHub repo cwbriones/simple-server: c2106e5f11a7a41bf2d72d846f086c09ba6d1563 [INFO] validating manifest of cwbriones/simple-server on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cwbriones/simple-server on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cwbriones/simple-server [INFO] finished frobbing cwbriones/simple-server [INFO] frobbed toml for cwbriones/simple-server written to work/ex/beta-1.37-6/sources/1.36.0/gh/cwbriones/simple-server/Cargo.toml [INFO] started frobbing cwbriones/simple-server [INFO] finished frobbing cwbriones/simple-server [INFO] frobbed toml for cwbriones/simple-server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cwbriones/simple-server/Cargo.toml [INFO] crate cwbriones/simple-server already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing cwbriones/simple-server against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cwbriones/simple-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 754a2b4bbc9722f55e4b94f8be03268466c145f419c55c11d7473d0664810a64 [INFO] running `"docker" "start" "-a" "754a2b4bbc9722f55e4b94f8be03268466c145f419c55c11d7473d0664810a64"` [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling futures-cpupool v0.1.6 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling pretty_env_logger v0.1.1 [INFO] [stderr] Compiling hyper v0.11.6 [INFO] [stderr] Compiling futures-fs v0.0.3 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling simple-server v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::path::Component<'_>: std::convert::AsRef<_>` [INFO] [stderr] --> src/main.rs:50:31 [INFO] [stderr] | [INFO] [stderr] 50 | let c = component.as_ref(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0283`. [INFO] [stderr] error: Could not compile `simple-server`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "754a2b4bbc9722f55e4b94f8be03268466c145f419c55c11d7473d0664810a64"` [INFO] running `"docker" "rm" "-f" "754a2b4bbc9722f55e4b94f8be03268466c145f419c55c11d7473d0664810a64"` [INFO] [stdout] 754a2b4bbc9722f55e4b94f8be03268466c145f419c55c11d7473d0664810a64