[INFO] updating cached repository tcrayford/shark_repellant
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tcrayford/shark_repellant
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tcrayford/shark_repellant" "work/ex/beta-1.37-6/sources/1.36.0/gh/tcrayford/shark_repellant"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tcrayford/shark_repellant'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tcrayford/shark_repellant" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tcrayford/shark_repellant"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tcrayford/shark_repellant'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 01b107c4f78af183073b99f624c6871362ce3ee6
[INFO] sha for GitHub repo tcrayford/shark_repellant: 01b107c4f78af183073b99f624c6871362ce3ee6
[INFO] validating manifest of tcrayford/shark_repellant 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 tcrayford/shark_repellant 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 tcrayford/shark_repellant
[INFO] finished frobbing tcrayford/shark_repellant
[INFO] frobbed toml for tcrayford/shark_repellant written to work/ex/beta-1.37-6/sources/1.36.0/gh/tcrayford/shark_repellant/Cargo.toml
[INFO] started frobbing tcrayford/shark_repellant
[INFO] finished frobbing tcrayford/shark_repellant
[INFO] frobbed toml for tcrayford/shark_repellant written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tcrayford/shark_repellant/Cargo.toml
[INFO] crate tcrayford/shark_repellant 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 tcrayford/shark_repellant 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-5/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/tcrayford/shark_repellant:/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] 10a053b27ffb542b81538de48a1133adfa4b1b13c92f06ecd3fa53f1d801dac8
[INFO] running `"docker" "start" "-a" "10a053b27ffb542b81538de48a1133adfa4b1b13c92f06ecd3fa53f1d801dac8"`
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling openssl-sys v0.9.14
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.6.12
[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 git2 v0.6.6
[INFO] [stderr]    Compiling shark_repellant v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 27s
[INFO] running `"docker" "inspect" "10a053b27ffb542b81538de48a1133adfa4b1b13c92f06ecd3fa53f1d801dac8"`
[INFO] running `"docker" "rm" "-f" "10a053b27ffb542b81538de48a1133adfa4b1b13c92f06ecd3fa53f1d801dac8"`
[INFO] [stdout] 10a053b27ffb542b81538de48a1133adfa4b1b13c92f06ecd3fa53f1d801dac8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/tcrayford/shark_repellant:/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] afb3b813a925aa55a25bfbc8f029201836b0c69319e57ad5fee5e44aa3eb6b94
[INFO] running `"docker" "start" "-a" "afb3b813a925aa55a25bfbc8f029201836b0c69319e57ad5fee5e44aa3eb6b94"`
[INFO] [stderr]    Compiling shark_repellant v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "afb3b813a925aa55a25bfbc8f029201836b0c69319e57ad5fee5e44aa3eb6b94"`
[INFO] running `"docker" "rm" "-f" "afb3b813a925aa55a25bfbc8f029201836b0c69319e57ad5fee5e44aa3eb6b94"`
[INFO] [stdout] afb3b813a925aa55a25bfbc8f029201836b0c69319e57ad5fee5e44aa3eb6b94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/tcrayford/shark_repellant:/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] 06d3bc0d2c0b7709570b4c7767113454a08a57835960b72044a32996aca42dbe
[INFO] running `"docker" "start" "-a" "06d3bc0d2c0b7709570b4c7767113454a08a57835960b72044a32996aca42dbe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shark_repellant-86214dcafe4302e7
[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" "06d3bc0d2c0b7709570b4c7767113454a08a57835960b72044a32996aca42dbe"`
[INFO] running `"docker" "rm" "-f" "06d3bc0d2c0b7709570b4c7767113454a08a57835960b72044a32996aca42dbe"`
[INFO] [stdout] 06d3bc0d2c0b7709570b4c7767113454a08a57835960b72044a32996aca42dbe