[INFO] updating cached repository julienXX/mocker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/julienXX/mocker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/julienXX/mocker" "work/ex/beta-1.38-1/sources/1.37.0/gh/julienXX/mocker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/julienXX/mocker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/julienXX/mocker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/julienXX/mocker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/julienXX/mocker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbcf9f27cb902ff3ab6d3dc4d435c7f3340916bd
[INFO] sha for GitHub repo julienXX/mocker: cbcf9f27cb902ff3ab6d3dc4d435c7f3340916bd
[INFO] validating manifest of julienXX/mocker 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 julienXX/mocker 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 julienXX/mocker
[INFO] finished frobbing julienXX/mocker
[INFO] frobbed toml for julienXX/mocker written to work/ex/beta-1.38-1/sources/1.37.0/gh/julienXX/mocker/Cargo.toml
[INFO] started frobbing julienXX/mocker
[INFO] finished frobbing julienXX/mocker
[INFO] frobbed toml for julienXX/mocker written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/julienXX/mocker/Cargo.toml
[INFO] crate julienXX/mocker 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 julienXX/mocker against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/julienXX/mocker:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 48e9e07def56f7761f7c46d40c6b5b7de9d0727fa17aabfac67a0c6f20a8259a
[INFO] running `"docker" "start" "-a" "48e9e07def56f7761f7c46d40c6b5b7de9d0727fa17aabfac67a0c6f20a8259a"`
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling toml v0.4.2
[INFO] [stderr]    Compiling url v1.5.1
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     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 v0.10.12
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling mocker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.59s
[INFO] running `"docker" "inspect" "48e9e07def56f7761f7c46d40c6b5b7de9d0727fa17aabfac67a0c6f20a8259a"`
[INFO] running `"docker" "rm" "-f" "48e9e07def56f7761f7c46d40c6b5b7de9d0727fa17aabfac67a0c6f20a8259a"`
[INFO] [stdout] 48e9e07def56f7761f7c46d40c6b5b7de9d0727fa17aabfac67a0c6f20a8259a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/julienXX/mocker:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 62df62c02a17c72fb75b8da84b4946093c7327181dd3e1270e01b4e5dc280b00
[INFO] running `"docker" "start" "-a" "62df62c02a17c72fb75b8da84b4946093c7327181dd3e1270e01b4e5dc280b00"`
[INFO] [stderr]    Compiling mocker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "62df62c02a17c72fb75b8da84b4946093c7327181dd3e1270e01b4e5dc280b00"`
[INFO] running `"docker" "rm" "-f" "62df62c02a17c72fb75b8da84b4946093c7327181dd3e1270e01b4e5dc280b00"`
[INFO] [stdout] 62df62c02a17c72fb75b8da84b4946093c7327181dd3e1270e01b4e5dc280b00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/julienXX/mocker:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3ffd1b7b2cf9c76e553999f091f585388441a831a37d2a882d6df0b4f991e138
[INFO] running `"docker" "start" "-a" "3ffd1b7b2cf9c76e553999f091f585388441a831a37d2a882d6df0b4f991e138"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mocker-ece4f3eb14021053
[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" "3ffd1b7b2cf9c76e553999f091f585388441a831a37d2a882d6df0b4f991e138"`
[INFO] running `"docker" "rm" "-f" "3ffd1b7b2cf9c76e553999f091f585388441a831a37d2a882d6df0b4f991e138"`
[INFO] [stdout] 3ffd1b7b2cf9c76e553999f091f585388441a831a37d2a882d6df0b4f991e138