[INFO] updating cached repository boiding/rust-websocket-elm-prototype
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/boiding/rust-websocket-elm-prototype
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/boiding/rust-websocket-elm-prototype" "work/ex/beta-1.37-6/sources/1.36.0/gh/boiding/rust-websocket-elm-prototype"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/boiding/rust-websocket-elm-prototype'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/boiding/rust-websocket-elm-prototype" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/boiding/rust-websocket-elm-prototype"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/boiding/rust-websocket-elm-prototype'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc4508fc8a29c7facec03ff6304737cd68b59e52
[INFO] sha for GitHub repo boiding/rust-websocket-elm-prototype: fc4508fc8a29c7facec03ff6304737cd68b59e52
[INFO] validating manifest of boiding/rust-websocket-elm-prototype 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 boiding/rust-websocket-elm-prototype 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 boiding/rust-websocket-elm-prototype
[INFO] finished frobbing boiding/rust-websocket-elm-prototype
[INFO] frobbed toml for boiding/rust-websocket-elm-prototype written to work/ex/beta-1.37-6/sources/1.36.0/gh/boiding/rust-websocket-elm-prototype/Cargo.toml
[INFO] started frobbing boiding/rust-websocket-elm-prototype
[INFO] finished frobbing boiding/rust-websocket-elm-prototype
[INFO] frobbed toml for boiding/rust-websocket-elm-prototype written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/boiding/rust-websocket-elm-prototype/Cargo.toml
[INFO] crate boiding/rust-websocket-elm-prototype 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 boiding/rust-websocket-elm-prototype 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-1/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/boiding/rust-websocket-elm-prototype:/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] 601c2be336494553a94d456bf205c4ad67e4f36fe9ecabea47f2f4a3dc0bb023
[INFO] running `"docker" "start" "-a" "601c2be336494553a94d456bf205c4ad67e4f36fe9ecabea47f2f4a3dc0bb023"`
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling lazy_static v0.2.10
[INFO] [stderr]    Compiling sequence_trie v0.2.1
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling simplelog v0.4.3
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[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 hyper v0.10.13
[INFO] [stderr]    Compiling ws v0.7.3
[INFO] [stderr]    Compiling dotenv v0.9.0
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling mount v0.3.0
[INFO] [stderr]    Compiling logger v0.3.0 (https://github.com/iron/logger.git#0daead5f)
[INFO] [stderr]    Compiling mount v0.3.0 (https://github.com/iron/mount.git?tag=0.3.0#d9433e0b)
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling staticfile v0.4.0
[INFO] [stderr]    Compiling rewp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.22s
[INFO] running `"docker" "inspect" "601c2be336494553a94d456bf205c4ad67e4f36fe9ecabea47f2f4a3dc0bb023"`
[INFO] running `"docker" "rm" "-f" "601c2be336494553a94d456bf205c4ad67e4f36fe9ecabea47f2f4a3dc0bb023"`
[INFO] [stdout] 601c2be336494553a94d456bf205c4ad67e4f36fe9ecabea47f2f4a3dc0bb023
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/boiding/rust-websocket-elm-prototype:/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] cf4bebf6861fa9cc7f1617400a20bb7904dc52015ccaa397ff77f92b3594762e
[INFO] running `"docker" "start" "-a" "cf4bebf6861fa9cc7f1617400a20bb7904dc52015ccaa397ff77f92b3594762e"`
[INFO] [stderr]    Compiling rewp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "cf4bebf6861fa9cc7f1617400a20bb7904dc52015ccaa397ff77f92b3594762e"`
[INFO] running `"docker" "rm" "-f" "cf4bebf6861fa9cc7f1617400a20bb7904dc52015ccaa397ff77f92b3594762e"`
[INFO] [stdout] cf4bebf6861fa9cc7f1617400a20bb7904dc52015ccaa397ff77f92b3594762e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/boiding/rust-websocket-elm-prototype:/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] e45d4ef66728eb06696d2fd7acd374269ffde4e7d02ea0856ac5914609482b52
[INFO] running `"docker" "start" "-a" "e45d4ef66728eb06696d2fd7acd374269ffde4e7d02ea0856ac5914609482b52"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rewp-2289243dc8a81b61
[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" "e45d4ef66728eb06696d2fd7acd374269ffde4e7d02ea0856ac5914609482b52"`
[INFO] running `"docker" "rm" "-f" "e45d4ef66728eb06696d2fd7acd374269ffde4e7d02ea0856ac5914609482b52"`
[INFO] [stdout] e45d4ef66728eb06696d2fd7acd374269ffde4e7d02ea0856ac5914609482b52