[INFO] updating cached repository deathlyfrantic/rust-git-status-prompt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deathlyfrantic/rust-git-status-prompt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deathlyfrantic/rust-git-status-prompt" "work/ex/beta-1.38-1/sources/1.37.0/gh/deathlyfrantic/rust-git-status-prompt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/deathlyfrantic/rust-git-status-prompt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deathlyfrantic/rust-git-status-prompt" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deathlyfrantic/rust-git-status-prompt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deathlyfrantic/rust-git-status-prompt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2e6576e2918cf7a3081ff4638f9a2877abd27c8
[INFO] sha for GitHub repo deathlyfrantic/rust-git-status-prompt: d2e6576e2918cf7a3081ff4638f9a2877abd27c8
[INFO] validating manifest of deathlyfrantic/rust-git-status-prompt 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 deathlyfrantic/rust-git-status-prompt 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 deathlyfrantic/rust-git-status-prompt
[INFO] finished frobbing deathlyfrantic/rust-git-status-prompt
[INFO] frobbed toml for deathlyfrantic/rust-git-status-prompt written to work/ex/beta-1.38-1/sources/1.37.0/gh/deathlyfrantic/rust-git-status-prompt/Cargo.toml
[INFO] started frobbing deathlyfrantic/rust-git-status-prompt
[INFO] finished frobbing deathlyfrantic/rust-git-status-prompt
[INFO] frobbed toml for deathlyfrantic/rust-git-status-prompt written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deathlyfrantic/rust-git-status-prompt/Cargo.toml
[INFO] crate deathlyfrantic/rust-git-status-prompt 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing deathlyfrantic/rust-git-status-prompt 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-4/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/deathlyfrantic/rust-git-status-prompt:/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] 9c6a76ab1b216249aa59080bb36502c34b0318234576437e9272da7813c8386d
[INFO] running `"docker" "start" "-a" "9c6a76ab1b216249aa59080bb36502c34b0318234576437e9272da7813c8386d"`
[INFO] [stderr]    Compiling cmake v0.1.28
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.22
[INFO] [stderr]    Compiling curl-sys v0.3.15
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.6.16
[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 git2 v0.6.8
[INFO] [stderr]    Compiling gitprompt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 15s
[INFO] running `"docker" "inspect" "9c6a76ab1b216249aa59080bb36502c34b0318234576437e9272da7813c8386d"`
[INFO] running `"docker" "rm" "-f" "9c6a76ab1b216249aa59080bb36502c34b0318234576437e9272da7813c8386d"`
[INFO] [stdout] 9c6a76ab1b216249aa59080bb36502c34b0318234576437e9272da7813c8386d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/deathlyfrantic/rust-git-status-prompt:/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] 60deddf91cec4416b659490d69944f1883c59d59bc26ad8c639e897fea17dfc2
[INFO] running `"docker" "start" "-a" "60deddf91cec4416b659490d69944f1883c59d59bc26ad8c639e897fea17dfc2"`
[INFO] [stderr]    Compiling gitprompt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "60deddf91cec4416b659490d69944f1883c59d59bc26ad8c639e897fea17dfc2"`
[INFO] running `"docker" "rm" "-f" "60deddf91cec4416b659490d69944f1883c59d59bc26ad8c639e897fea17dfc2"`
[INFO] [stdout] 60deddf91cec4416b659490d69944f1883c59d59bc26ad8c639e897fea17dfc2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/deathlyfrantic/rust-git-status-prompt:/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] d35757d8716b37832312a7c30277b4503050b1a530961ce707f7690d23b5182f
[INFO] running `"docker" "start" "-a" "d35757d8716b37832312a7c30277b4503050b1a530961ce707f7690d23b5182f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gitprompt-7ff45aaa328094d4
[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" "d35757d8716b37832312a7c30277b4503050b1a530961ce707f7690d23b5182f"`
[INFO] running `"docker" "rm" "-f" "d35757d8716b37832312a7c30277b4503050b1a530961ce707f7690d23b5182f"`
[INFO] [stdout] d35757d8716b37832312a7c30277b4503050b1a530961ce707f7690d23b5182f