[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-1.38-1/sources/1.37.0/gh/cwbriones/simple-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cwbriones/simple-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cwbriones/simple-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cwbriones/simple-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cwbriones/simple-server on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cwbriones/simple-server against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 87bf3122f9fa44c8de97c0237ae4fa2cb31b2c7c92f1d7ca1cb27ea574dfa6f4
[INFO] running `"docker" "start" "-a" "87bf3122f9fa44c8de97c0237ae4fa2cb31b2c7c92f1d7ca1cb27ea574dfa6f4"`
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mime v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling pretty_env_logger v0.1.1
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.6
[INFO] [stderr]    Compiling relay v0.1.0
[INFO] [stderr]    Compiling futures-fs v0.0.3
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.6
[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" "87bf3122f9fa44c8de97c0237ae4fa2cb31b2c7c92f1d7ca1cb27ea574dfa6f4"`
[INFO] running `"docker" "rm" "-f" "87bf3122f9fa44c8de97c0237ae4fa2cb31b2c7c92f1d7ca1cb27ea574dfa6f4"`
[INFO] [stdout] 87bf3122f9fa44c8de97c0237ae4fa2cb31b2c7c92f1d7ca1cb27ea574dfa6f4