[INFO] updating cached repository tudurom/rwsh
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tudurom/rwsh
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tudurom/rwsh" "work/ex/beta-1.38-1/sources/1.37.0/gh/tudurom/rwsh"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tudurom/rwsh'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tudurom/rwsh" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tudurom/rwsh"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tudurom/rwsh'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23afbed7fc72a28f7152162070122af2e02c51f7
[INFO] sha for GitHub repo tudurom/rwsh: 23afbed7fc72a28f7152162070122af2e02c51f7
[INFO] validating manifest of tudurom/rwsh 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 tudurom/rwsh 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 tudurom/rwsh
[INFO] finished frobbing tudurom/rwsh
[INFO] frobbed toml for tudurom/rwsh written to work/ex/beta-1.38-1/sources/1.37.0/gh/tudurom/rwsh/Cargo.toml
[INFO] started frobbing tudurom/rwsh
[INFO] finished frobbing tudurom/rwsh
[INFO] frobbed toml for tudurom/rwsh written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tudurom/rwsh/Cargo.toml
[INFO] crate tudurom/rwsh 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 tudurom/rwsh 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-1/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/tudurom/rwsh:/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] 4e8b9bfdfd0f9f1f5ba554db2780ece1c01fdda568f5471046e9b0cae9590102
[INFO] running `"docker" "start" "-a" "4e8b9bfdfd0f9f1f5ba554db2780ece1c01fdda568f5471046e9b0cae9590102"`
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling ord_subset v3.1.1
[INFO] [stderr]    Compiling bytecount v0.1.7
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling liner v0.4.4
[INFO] [stderr]    Compiling decimal v2.0.4
[INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/liner-0.4.4/src/context.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |             let ed = try!(Editor::new_with_init_buffer(stdout, prompt, self, buffer));
[INFO] [stderr]    |                                                                        ---- borrow of `*self` occurs here
[INFO] [stderr] 97 |             match self.key_bindings {
[INFO] [stderr] 98 |                 KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^ use of borrowed `*self`
[INFO] [stderr] 99 |                 KeyBindings::Vi => Self::handle_keys(keymap::Vi::new(ed), handler),
[INFO] [stderr]    |                                                                      -- borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling calculate v0.5.1
[INFO] [stderr]    Compiling rustyline v4.0.0
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-4.0.0/src/lib.rs:627:43
[INFO] [stderr]     |
[INFO] [stderr] 627 |             editor.add_history_entry(line.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 `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4e8b9bfdfd0f9f1f5ba554db2780ece1c01fdda568f5471046e9b0cae9590102"`
[INFO] running `"docker" "rm" "-f" "4e8b9bfdfd0f9f1f5ba554db2780ece1c01fdda568f5471046e9b0cae9590102"`
[INFO] [stdout] 4e8b9bfdfd0f9f1f5ba554db2780ece1c01fdda568f5471046e9b0cae9590102