[INFO] crate herkulex_communicator 0.2.5 is already in cache
[INFO] extracting crate herkulex_communicator 0.2.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/herkulex_communicator/0.2.5
[INFO] extracting crate herkulex_communicator 0.2.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/herkulex_communicator/0.2.5
[INFO] validating manifest of herkulex_communicator-0.2.5 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 herkulex_communicator-0.2.5 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 herkulex_communicator-0.2.5
[INFO] finished frobbing herkulex_communicator-0.2.5
[INFO] frobbed toml for herkulex_communicator-0.2.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/herkulex_communicator/0.2.5/Cargo.toml
[INFO] started frobbing herkulex_communicator-0.2.5
[INFO] finished frobbing herkulex_communicator-0.2.5
[INFO] frobbed toml for herkulex_communicator-0.2.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/herkulex_communicator/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing herkulex_communicator-0.2.5 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/herkulex_communicator/0.2.5:/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] 49b5566353d78169fe8c8072cb64b760c33fa61f11b313e4ecf137bf5f985916
[INFO] running `"docker" "start" "-a" "49b5566353d78169fe8c8072cb64b760c33fa61f11b313e4ecf137bf5f985916"`
[INFO] [stderr]    Compiling array-macro v1.0.4
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.6
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling drs-0x01 v0.1.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enumset_derive v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling enum-map v0.4.1
[INFO] [stderr]    Compiling enumset v0.3.19
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling cursive v0.9.2
[INFO] [stderr]    Compiling herkulex_communicator v0.2.5 (/opt/crater/workdir)
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::borrow::Borrow<_>`
[INFO] [stderr]    --> src/ui.rs:326:12
[INFO] [stderr]     |
[INFO] [stderr] 326 |     result.set_on_submit(move |s, connection| {
[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 `herkulex_communicator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "49b5566353d78169fe8c8072cb64b760c33fa61f11b313e4ecf137bf5f985916"`
[INFO] running `"docker" "rm" "-f" "49b5566353d78169fe8c8072cb64b760c33fa61f11b313e4ecf137bf5f985916"`
[INFO] [stdout] 49b5566353d78169fe8c8072cb64b760c33fa61f11b313e4ecf137bf5f985916