[INFO] updating cached repository g-s-k/blah
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/g-s-k/blah
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/g-s-k/blah" "work/ex/beta-1.37-6/sources/1.36.0/gh/g-s-k/blah"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/g-s-k/blah'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/g-s-k/blah" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/g-s-k/blah"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/g-s-k/blah'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d079b2403d13c83f178d793c856eb94399820d41
[INFO] sha for GitHub repo g-s-k/blah: d079b2403d13c83f178d793c856eb94399820d41
[INFO] validating manifest of g-s-k/blah 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 g-s-k/blah 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 g-s-k/blah
[INFO] finished frobbing g-s-k/blah
[INFO] frobbed toml for g-s-k/blah written to work/ex/beta-1.37-6/sources/1.36.0/gh/g-s-k/blah/Cargo.toml
[INFO] started frobbing g-s-k/blah
[INFO] finished frobbing g-s-k/blah
[INFO] frobbed toml for g-s-k/blah written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/g-s-k/blah/Cargo.toml
[INFO] crate g-s-k/blah already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing g-s-k/blah against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/g-s-k/blah:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 31e6ba1afae6fa5b5b692a1d840576ff234b5a90d8a42f8e5b03cedcee812ed1
[INFO] running `"docker" "start" "-a" "31e6ba1afae6fa5b5b692a1d840576ff234b5a90d8a42f8e5b03cedcee812ed1"`
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling tokio-sync v0.1.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling headers-derive v0.1.0
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling tungstenite v0.6.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling headers-core v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling headers v0.2.1
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling hyper v0.12.27
[INFO] [stderr]    Compiling warp v0.1.15
[INFO] [stderr]    Compiling blah v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> src/main.rs:122:35
[INFO] [stderr]     |
[INFO] [stderr] 122 |         ws::Message::text(msg_str.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 `blah`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "31e6ba1afae6fa5b5b692a1d840576ff234b5a90d8a42f8e5b03cedcee812ed1"`
[INFO] running `"docker" "rm" "-f" "31e6ba1afae6fa5b5b692a1d840576ff234b5a90d8a42f8e5b03cedcee812ed1"`
[INFO] [stdout] 31e6ba1afae6fa5b5b692a1d840576ff234b5a90d8a42f8e5b03cedcee812ed1