[INFO] updating cached repository bueasy/rustock
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bueasy/rustock
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bueasy/rustock" "work/ex/beta-1.38-1/sources/1.37.0/gh/bueasy/rustock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bueasy/rustock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bueasy/rustock" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bueasy/rustock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bueasy/rustock'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e50b041db3ae52ba1b605334a760b26fd5e8ebf8
[INFO] sha for GitHub repo bueasy/rustock: e50b041db3ae52ba1b605334a760b26fd5e8ebf8
[INFO] validating manifest of bueasy/rustock 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 bueasy/rustock 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 bueasy/rustock
[INFO] finished frobbing bueasy/rustock
[INFO] frobbed toml for bueasy/rustock written to work/ex/beta-1.38-1/sources/1.37.0/gh/bueasy/rustock/Cargo.toml
[INFO] started frobbing bueasy/rustock
[INFO] finished frobbing bueasy/rustock
[INFO] frobbed toml for bueasy/rustock written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bueasy/rustock/Cargo.toml
[INFO] crate bueasy/rustock 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 bueasy/rustock 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-5/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/bueasy/rustock:/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] 3b31d61e2cfc68537d0f525dfe43cddea7022ee73f37755d8c3f8f6cefcc09c2
[INFO] running `"docker" "start" "-a" "3b31d61e2cfc68537d0f525dfe43cddea7022ee73f37755d8c3f8f6cefcc09c2"`
[INFO] [stderr]    Compiling rustock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/file/mod.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 |         if(st.len()>0&&!st.starts_with('#')){
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/file/mod.rs:47:43
[INFO] [stderr]    |
[INFO] [stderr] 47 |             map.insert(exch_id_v.push_str(stk_id_v),stk);
[INFO] [stderr]    |                                           ^^^^^^^^
[INFO] [stderr]    |                                           |
[INFO] [stderr]    |                                           expected &str, found struct `std::string::String`
[INFO] [stderr]    |                                           help: consider borrowing here: `&stk_id_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&str`
[INFO] [stderr]               found type `std::string::String`
[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 `rustock`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3b31d61e2cfc68537d0f525dfe43cddea7022ee73f37755d8c3f8f6cefcc09c2"`
[INFO] running `"docker" "rm" "-f" "3b31d61e2cfc68537d0f525dfe43cddea7022ee73f37755d8c3f8f6cefcc09c2"`
[INFO] [stdout] 3b31d61e2cfc68537d0f525dfe43cddea7022ee73f37755d8c3f8f6cefcc09c2