[INFO] updating cached repository sile/wstcp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sile/wstcp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sile/wstcp" "work/ex/beta-1.37-6/sources/1.36.0/gh/sile/wstcp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sile/wstcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sile/wstcp" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sile/wstcp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sile/wstcp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef918ca20b371378fbd6aa9e52a0f30d8f980120
[INFO] sha for GitHub repo sile/wstcp: ef918ca20b371378fbd6aa9e52a0f30d8f980120
[INFO] validating manifest of sile/wstcp 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 sile/wstcp 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 sile/wstcp
[INFO] finished frobbing sile/wstcp
[INFO] frobbed toml for sile/wstcp written to work/ex/beta-1.37-6/sources/1.36.0/gh/sile/wstcp/Cargo.toml
[INFO] started frobbing sile/wstcp
[INFO] finished frobbing sile/wstcp
[INFO] frobbed toml for sile/wstcp written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sile/wstcp/Cargo.toml
[INFO] crate sile/wstcp 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 sile/wstcp 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-6/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/sile/wstcp:/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] a939f3cc80be1af8274286bcae5c27d57aa272770ed3a81a038826bd67b78b33
[INFO] running `"docker" "start" "-a" "a939f3cc80be1af8274286bcae5c27d57aa272770ed3a81a038826bd67b78b33"`
[INFO] [stderr]    Compiling serde v1.0.57
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling trackable v0.2.16
[INFO] [stderr]    Compiling nbchan v0.1.2
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling isatty v0.1.7
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling serde_derive v1.0.57
[INFO] [stderr]    Compiling bytecodec v0.4.2
[INFO] [stderr]    Compiling fibers v0.1.10
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling httpcodec v0.2.2
[INFO] [stderr]    Compiling sloggers v0.2.6
[INFO] [stderr]    Compiling wstcp v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/error.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.53s
[INFO] running `"docker" "inspect" "a939f3cc80be1af8274286bcae5c27d57aa272770ed3a81a038826bd67b78b33"`
[INFO] running `"docker" "rm" "-f" "a939f3cc80be1af8274286bcae5c27d57aa272770ed3a81a038826bd67b78b33"`
[INFO] [stdout] a939f3cc80be1af8274286bcae5c27d57aa272770ed3a81a038826bd67b78b33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/sile/wstcp:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] beafa7a2e9834082aad819886922c79d5f02d64555b781f1599ae1490bbed7e1
[INFO] running `"docker" "start" "-a" "beafa7a2e9834082aad819886922c79d5f02d64555b781f1599ae1490bbed7e1"`
[INFO] [stderr]    Compiling wstcp v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/error.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `"docker" "inspect" "beafa7a2e9834082aad819886922c79d5f02d64555b781f1599ae1490bbed7e1"`
[INFO] running `"docker" "rm" "-f" "beafa7a2e9834082aad819886922c79d5f02d64555b781f1599ae1490bbed7e1"`
[INFO] [stdout] beafa7a2e9834082aad819886922c79d5f02d64555b781f1599ae1490bbed7e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/sile/wstcp:/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" "test" "--frozen"`
[INFO] [stdout] aa3959ec68bc3ea720fed82e9a798dab6559256c26f3305b1ad0de862e9dae4e
[INFO] running `"docker" "start" "-a" "aa3959ec68bc3ea720fed82e9a798dab6559256c26f3305b1ad0de862e9dae4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wstcp-66097d519a54f249
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::test::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wstcp-19e9d2863a77b171
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wstcp
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "aa3959ec68bc3ea720fed82e9a798dab6559256c26f3305b1ad0de862e9dae4e"`
[INFO] running `"docker" "rm" "-f" "aa3959ec68bc3ea720fed82e9a798dab6559256c26f3305b1ad0de862e9dae4e"`
[INFO] [stdout] aa3959ec68bc3ea720fed82e9a798dab6559256c26f3305b1ad0de862e9dae4e