[INFO] updating cached repository buckhx/git-bump
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/buckhx/git-bump
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/buckhx/git-bump" "work/ex/beta-1.38-1/sources/1.37.0/gh/buckhx/git-bump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/buckhx/git-bump'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/buckhx/git-bump" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buckhx/git-bump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buckhx/git-bump'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b6a636c0eaf558e3b0ecf9b3d5ffb47d9f661d5
[INFO] sha for GitHub repo buckhx/git-bump: 4b6a636c0eaf558e3b0ecf9b3d5ffb47d9f661d5
[INFO] validating manifest of buckhx/git-bump 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 buckhx/git-bump 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 buckhx/git-bump
[INFO] finished frobbing buckhx/git-bump
[INFO] frobbed toml for buckhx/git-bump written to work/ex/beta-1.38-1/sources/1.37.0/gh/buckhx/git-bump/Cargo.toml
[INFO] started frobbing buckhx/git-bump
[INFO] finished frobbing buckhx/git-bump
[INFO] frobbed toml for buckhx/git-bump written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buckhx/git-bump/Cargo.toml
[INFO] crate buckhx/git-bump 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 buckhx/git-bump 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/buckhx/git-bump:/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] 8138fe1c22ac622440f61d81529552d35e8612ffd86a245dd84306995ea3c404
[INFO] running `"docker" "start" "-a" "8138fe1c22ac622440f61d81529552d35e8612ffd86a245dd84306995ea3c404"`
[INFO] [stderr]    Compiling yaml-rust v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.1
[INFO] [stderr]    Compiling cmake v0.1.18
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling curl-sys v0.3.4
[INFO] [stderr]    Compiling url v1.2.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.3
[INFO] [stderr]    Compiling libgit2-sys v0.6.2
[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-1.2.3/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 clap v2.18.0
[INFO] [stderr]    Compiling git2 v0.6.0
[INFO] [stderr]    Compiling git-bump v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `push_tags`
[INFO] [stderr]  --> src/main.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | use bump::{Version, ReleaseType, push_tags};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFSPECS`
[INFO] [stderr]  --> src/bump.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const REFSPECS: &'static str = "refs/tags/*:refs/tags/*";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `push_tags`
[INFO] [stderr]    --> src/bump.rs:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn push_tags(path: &str, remote: &str) -> Result<(), String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 22s
[INFO] running `"docker" "inspect" "8138fe1c22ac622440f61d81529552d35e8612ffd86a245dd84306995ea3c404"`
[INFO] running `"docker" "rm" "-f" "8138fe1c22ac622440f61d81529552d35e8612ffd86a245dd84306995ea3c404"`
[INFO] [stdout] 8138fe1c22ac622440f61d81529552d35e8612ffd86a245dd84306995ea3c404
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/buckhx/git-bump:/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] 5313ff4f58728beb332187013556c469832ca9198d468527795ecf0c149fc7e3
[INFO] running `"docker" "start" "-a" "5313ff4f58728beb332187013556c469832ca9198d468527795ecf0c149fc7e3"`
[INFO] [stderr]    Compiling git-bump v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `push_tags`
[INFO] [stderr]  --> src/main.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | use bump::{Version, ReleaseType, push_tags};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFSPECS`
[INFO] [stderr]  --> src/bump.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const REFSPECS: &'static str = "refs/tags/*:refs/tags/*";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `push_tags`
[INFO] [stderr]    --> src/bump.rs:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn push_tags(path: &str, remote: &str) -> Result<(), String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `"docker" "inspect" "5313ff4f58728beb332187013556c469832ca9198d468527795ecf0c149fc7e3"`
[INFO] running `"docker" "rm" "-f" "5313ff4f58728beb332187013556c469832ca9198d468527795ecf0c149fc7e3"`
[INFO] [stdout] 5313ff4f58728beb332187013556c469832ca9198d468527795ecf0c149fc7e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/buckhx/git-bump:/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] 3cc1bb07cc5e777b90d7dd1dcc700c1f07dcc0b4eccd8344222eae94258b4b70
[INFO] running `"docker" "start" "-a" "3cc1bb07cc5e777b90d7dd1dcc700c1f07dcc0b4eccd8344222eae94258b4b70"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/git_bump-eff2196b9a0e27cc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bump::tests::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3cc1bb07cc5e777b90d7dd1dcc700c1f07dcc0b4eccd8344222eae94258b4b70"`
[INFO] running `"docker" "rm" "-f" "3cc1bb07cc5e777b90d7dd1dcc700c1f07dcc0b4eccd8344222eae94258b4b70"`
[INFO] [stdout] 3cc1bb07cc5e777b90d7dd1dcc700c1f07dcc0b4eccd8344222eae94258b4b70