[INFO] updating cached repository echupriyanov/tls-ws
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/echupriyanov/tls-ws
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/echupriyanov/tls-ws" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/echupriyanov/tls-ws"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/echupriyanov/tls-ws'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/echupriyanov/tls-ws" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/echupriyanov/tls-ws"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/echupriyanov/tls-ws'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d458e2edfabc7e28494482987afbb5eebba1de7f
[INFO] sha for GitHub repo echupriyanov/tls-ws: d458e2edfabc7e28494482987afbb5eebba1de7f
[INFO] validating manifest of echupriyanov/tls-ws on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of echupriyanov/tls-ws on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing echupriyanov/tls-ws
[INFO] finished frobbing echupriyanov/tls-ws
[INFO] frobbed toml for echupriyanov/tls-ws written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/echupriyanov/tls-ws/Cargo.toml
[INFO] started frobbing echupriyanov/tls-ws
[INFO] finished frobbing echupriyanov/tls-ws
[INFO] frobbed toml for echupriyanov/tls-ws written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/echupriyanov/tls-ws/Cargo.toml
[INFO] crate echupriyanov/tls-ws already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking echupriyanov/tls-ws against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/echupriyanov/tls-ws:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e11d784dd616f8c6a510d294891bcbdf0cbea546fa41ba6980c3a395b6b37ca7
[INFO] running `"docker" "start" "-a" "e11d784dd616f8c6a510d294891bcbdf0cbea546fa41ba6980c3a395b6b37ca7"`
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking websocket v0.22.4
[INFO] [stderr]     Checking tls-ws v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SliceConcatExt`
[INFO] [stderr]    --> src/bin/server.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     SliceConcatExt::join(&subj[..], &",")
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ use of undeclared type or module `SliceConcatExt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::select::Select` in tuple element 0 that must be used
[INFO] [stderr]   --> src/bin/client.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     runtime.block_on(runner).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `tls-ws`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SliceConcatExt`
[INFO] [stderr]    --> src/bin/server.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     SliceConcatExt::join(&subj[..], &",")
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ use of undeclared type or module `SliceConcatExt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::select::Select` in tuple element 0 that must be used
[INFO] [stderr]   --> src/bin/client.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     runtime.block_on(runner).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `tls-ws`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e11d784dd616f8c6a510d294891bcbdf0cbea546fa41ba6980c3a395b6b37ca7"`
[INFO] running `"docker" "rm" "-f" "e11d784dd616f8c6a510d294891bcbdf0cbea546fa41ba6980c3a395b6b37ca7"`
[INFO] [stdout] e11d784dd616f8c6a510d294891bcbdf0cbea546fa41ba6980c3a395b6b37ca7