[INFO] updating cached repository Isaac-Lozano/Twitch-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Isaac-Lozano/Twitch-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Isaac-Lozano/Twitch-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/Isaac-Lozano/Twitch-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Isaac-Lozano/Twitch-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Isaac-Lozano/Twitch-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Isaac-Lozano/Twitch-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Isaac-Lozano/Twitch-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b642cfcfca267a7ef56a6435f26b218223f1147e
[INFO] sha for GitHub repo Isaac-Lozano/Twitch-rs: b642cfcfca267a7ef56a6435f26b218223f1147e
[INFO] validating manifest of Isaac-Lozano/Twitch-rs 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 Isaac-Lozano/Twitch-rs 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 Isaac-Lozano/Twitch-rs
[INFO] finished frobbing Isaac-Lozano/Twitch-rs
[INFO] frobbed toml for Isaac-Lozano/Twitch-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/Isaac-Lozano/Twitch-rs/Cargo.toml
[INFO] started frobbing Isaac-Lozano/Twitch-rs
[INFO] finished frobbing Isaac-Lozano/Twitch-rs
[INFO] frobbed toml for Isaac-Lozano/Twitch-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Isaac-Lozano/Twitch-rs/Cargo.toml
[INFO] crate Isaac-Lozano/Twitch-rs 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 Isaac-Lozano/Twitch-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Isaac-Lozano/Twitch-rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b269276262bdf03938ebbeac0e49c46e578b8e9eea71daa908591260ea2adadf
[INFO] running `"docker" "start" "-a" "b269276262bdf03938ebbeac0e49c46e578b8e9eea71daa908591260ea2adadf"`
[INFO] [stderr]    Compiling ring v0.6.2
[INFO] [stderr]    Compiling gio v0.1.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1
[INFO] [stderr]    Compiling cairo-rs v0.1.1
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling base64 v0.2.1
[INFO] [stderr]    Compiling gdk v0.5.1
[INFO] [stderr]    Compiling gtk v0.1.1
[INFO] [stderr] error[E0277]: `&&std::vec::Vec<std::string::String>` is not an iterator
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.6.2/build.rs:227:10
[INFO] [stderr]     |
[INFO] [stderr] 227 |         .args(&args)
[INFO] [stderr]     |          ^^^^ `&&std::vec::Vec<std::string::String>` is not an iterator
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::Iterator` is not implemented for `&&std::vec::Vec<std::string::String>`
[INFO] [stderr]    Compiling glib-sys v0.3.2
[INFO] [stderr]    Compiling gobject-sys v0.3.2
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `&&std::vec::Vec<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 E0277`.
[INFO] [stderr] error: Could not compile `ring`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b269276262bdf03938ebbeac0e49c46e578b8e9eea71daa908591260ea2adadf"`
[INFO] running `"docker" "rm" "-f" "b269276262bdf03938ebbeac0e49c46e578b8e9eea71daa908591260ea2adadf"`
[INFO] [stdout] b269276262bdf03938ebbeac0e49c46e578b8e9eea71daa908591260ea2adadf