[INFO] updating cached repository dovahcrow/keenio-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dovahcrow/keenio-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dovahcrow/keenio-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/dovahcrow/keenio-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dovahcrow/keenio-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dovahcrow/keenio-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovahcrow/keenio-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovahcrow/keenio-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d201c9940f2bc5cd3c7591a40bfc398073c53cc
[INFO] sha for GitHub repo dovahcrow/keenio-rs: 0d201c9940f2bc5cd3c7591a40bfc398073c53cc
[INFO] validating manifest of dovahcrow/keenio-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 dovahcrow/keenio-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 dovahcrow/keenio-rs
[INFO] finished frobbing dovahcrow/keenio-rs
[INFO] frobbed toml for dovahcrow/keenio-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/dovahcrow/keenio-rs/Cargo.toml
[INFO] started frobbing dovahcrow/keenio-rs
[INFO] finished frobbing dovahcrow/keenio-rs
[INFO] frobbed toml for dovahcrow/keenio-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovahcrow/keenio-rs/Cargo.toml
[INFO] crate dovahcrow/keenio-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 dovahcrow/keenio-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovahcrow/keenio-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c54eb27710374099a543e7551e64dc36cb0a3fb546cc40de0fb96bd335617c04
[INFO] running `"docker" "start" "-a" "c54eb27710374099a543e7551e64dc36cb0a3fb546cc40de0fb96bd335617c04"`
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling base64 v0.2.1
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling ring v0.7.3
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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 webpki v0.10.0
[INFO] [stderr]    Compiling rustls v0.5.8
[INFO] [stderr]    Compiling webpki-roots v0.7.0
[INFO] [stderr]    Compiling hyper-rustls v0.3.2
[INFO] [stderr]    Compiling keen v1.4.2-pre (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.88s
[INFO] running `"docker" "inspect" "c54eb27710374099a543e7551e64dc36cb0a3fb546cc40de0fb96bd335617c04"`
[INFO] running `"docker" "rm" "-f" "c54eb27710374099a543e7551e64dc36cb0a3fb546cc40de0fb96bd335617c04"`
[INFO] [stdout] c54eb27710374099a543e7551e64dc36cb0a3fb546cc40de0fb96bd335617c04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovahcrow/keenio-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 03d8ce6001cd977884bc75343c345258d92dcfd70174095feb61e679d2346873
[INFO] running `"docker" "start" "-a" "03d8ce6001cd977884bc75343c345258d92dcfd70174095feb61e679d2346873"`
[INFO] [stderr]    Compiling syn v0.11.8
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling structopt-derive v0.0.3
[INFO] [stderr]    Compiling structopt v0.0.3
[INFO] [stderr]    Compiling keen v1.4.2-pre (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.83s
[INFO] running `"docker" "inspect" "03d8ce6001cd977884bc75343c345258d92dcfd70174095feb61e679d2346873"`
[INFO] running `"docker" "rm" "-f" "03d8ce6001cd977884bc75343c345258d92dcfd70174095feb61e679d2346873"`
[INFO] [stdout] 03d8ce6001cd977884bc75343c345258d92dcfd70174095feb61e679d2346873
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dovahcrow/keenio-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f569b9123be066fb81bb55bec4d653e02cadc0040b7ca04de0d38bb949b425e3
[INFO] running `"docker" "start" "-a" "f569b9123be066fb81bb55bec4d653e02cadc0040b7ca04de0d38bb949b425e3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/keen-4c804377a21ca0c0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 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]    Doc-tests keen
[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" "f569b9123be066fb81bb55bec4d653e02cadc0040b7ca04de0d38bb949b425e3"`
[INFO] running `"docker" "rm" "-f" "f569b9123be066fb81bb55bec4d653e02cadc0040b7ca04de0d38bb949b425e3"`
[INFO] [stdout] f569b9123be066fb81bb55bec4d653e02cadc0040b7ca04de0d38bb949b425e3