[INFO] updating cached repository sourcepirate/dummy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sourcepirate/dummy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sourcepirate/dummy" "work/ex/beta-1.37-6/sources/1.36.0/gh/sourcepirate/dummy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sourcepirate/dummy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sourcepirate/dummy" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sourcepirate/dummy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sourcepirate/dummy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57382529a57f86b92bc1c19b50af14ef1f658177
[INFO] sha for GitHub repo sourcepirate/dummy: 57382529a57f86b92bc1c19b50af14ef1f658177
[INFO] validating manifest of sourcepirate/dummy 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 sourcepirate/dummy 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 sourcepirate/dummy
[INFO] finished frobbing sourcepirate/dummy
[INFO] frobbed toml for sourcepirate/dummy written to work/ex/beta-1.37-6/sources/1.36.0/gh/sourcepirate/dummy/Cargo.toml
[INFO] started frobbing sourcepirate/dummy
[INFO] finished frobbing sourcepirate/dummy
[INFO] frobbed toml for sourcepirate/dummy written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sourcepirate/dummy/Cargo.toml
[INFO] crate sourcepirate/dummy 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 sourcepirate/dummy 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-3/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/sourcepirate/dummy:/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] be4dd490f2fff014abb19f114bcd93f3096bfe83bc4fafe48ac5dfb38b2441c9
[INFO] running `"docker" "start" "-a" "be4dd490f2fff014abb19f114bcd93f3096bfe83bc4fafe48ac5dfb38b2441c9"`
[INFO] [stderr]    Compiling num_cpus v1.5.0
[INFO] [stderr]    Compiling idna v0.1.2
[INFO] [stderr]    Compiling hyper v0.10.11
[INFO] [stderr]    Compiling url v1.4.1
[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-1.4.1/src/form_urlencoded.rs:248:40
[INFO] [stderr]     |
[INFO] [stderr] 246 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 247 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 248 |     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 dummy v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.95s
[INFO] running `"docker" "inspect" "be4dd490f2fff014abb19f114bcd93f3096bfe83bc4fafe48ac5dfb38b2441c9"`
[INFO] running `"docker" "rm" "-f" "be4dd490f2fff014abb19f114bcd93f3096bfe83bc4fafe48ac5dfb38b2441c9"`
[INFO] [stdout] be4dd490f2fff014abb19f114bcd93f3096bfe83bc4fafe48ac5dfb38b2441c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/sourcepirate/dummy:/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] 18f6916180c5b44386db73520983e744f51421c16e92e16b8a4e77106aad0589
[INFO] running `"docker" "start" "-a" "18f6916180c5b44386db73520983e744f51421c16e92e16b8a4e77106aad0589"`
[INFO] [stderr]    Compiling dummy v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "18f6916180c5b44386db73520983e744f51421c16e92e16b8a4e77106aad0589"`
[INFO] running `"docker" "rm" "-f" "18f6916180c5b44386db73520983e744f51421c16e92e16b8a4e77106aad0589"`
[INFO] [stdout] 18f6916180c5b44386db73520983e744f51421c16e92e16b8a4e77106aad0589
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/sourcepirate/dummy:/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] 8cadf9177748ef4069f5c12a22f2c05845e5b3744b9605c87b6cf9d25f7665af
[INFO] running `"docker" "start" "-a" "8cadf9177748ef4069f5c12a22f2c05845e5b3744b9605c87b6cf9d25f7665af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dummy-44016ff46a7e5d4b
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test api::tests::test_api_get_on_array ... ok
[INFO] [stdout] test api::tests::test_api_creation ... ok
[INFO] [stdout] test api::tests::test_api_get_on_object ... ok
[INFO] [stdout] test api::tests::test_api_get_resource_on_array ... ok
[INFO] [stdout] test api::tests::test_api_get_resource_on_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8cadf9177748ef4069f5c12a22f2c05845e5b3744b9605c87b6cf9d25f7665af"`
[INFO] running `"docker" "rm" "-f" "8cadf9177748ef4069f5c12a22f2c05845e5b3744b9605c87b6cf9d25f7665af"`
[INFO] [stdout] 8cadf9177748ef4069f5c12a22f2c05845e5b3744b9605c87b6cf9d25f7665af