[INFO] updating cached repository semantic-rs/semantic-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/semantic-rs/semantic-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/semantic-rs/semantic-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/semantic-rs/semantic-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/semantic-rs/semantic-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/semantic-rs/semantic-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semantic-rs/semantic-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semantic-rs/semantic-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 144168b9aff72fee45be0a232cf66dd2ef1de128
[INFO] sha for GitHub repo semantic-rs/semantic-rs: 144168b9aff72fee45be0a232cf66dd2ef1de128
[INFO] validating manifest of semantic-rs/semantic-rs 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 semantic-rs/semantic-rs 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 semantic-rs/semantic-rs
[INFO] finished frobbing semantic-rs/semantic-rs
[INFO] frobbed toml for semantic-rs/semantic-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/semantic-rs/semantic-rs/Cargo.toml
[INFO] started frobbing semantic-rs/semantic-rs
[INFO] finished frobbing semantic-rs/semantic-rs
[INFO] frobbed toml for semantic-rs/semantic-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semantic-rs/semantic-rs/Cargo.toml
[INFO] crate semantic-rs/semantic-rs 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 semantic-rs/semantic-rs 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-5/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/semantic-rs/semantic-rs:/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] 6e856980dfd416c6d6d2df43e4bc043e91925a254abdd4f584cd0235c8108aac
[INFO] running `"docker" "start" "-a" "6e856980dfd416c6d6d2df43e4bc043e91925a254abdd4f584cd0235c8108aac"`
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.10
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling hyper v0.10.6
[INFO] [stderr]    Compiling idna v0.1.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.10
[INFO] [stderr]    Compiling libgit2-sys v0.7.7
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling clog v0.9.1
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling url v1.4.0
[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-1.4.0/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 serde_urlencoded v0.4.2
[INFO] [stderr]    Compiling native-tls v0.1.2
[INFO] [stderr]    Compiling hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling hubcaps v0.3.1
[INFO] [stderr]    Compiling reqwest v0.4.0
[INFO] [stderr]    Compiling travis-after-all v2.0.0
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling semantic-rs v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 20s
[INFO] running `"docker" "inspect" "6e856980dfd416c6d6d2df43e4bc043e91925a254abdd4f584cd0235c8108aac"`
[INFO] running `"docker" "rm" "-f" "6e856980dfd416c6d6d2df43e4bc043e91925a254abdd4f584cd0235c8108aac"`
[INFO] [stdout] 6e856980dfd416c6d6d2df43e4bc043e91925a254abdd4f584cd0235c8108aac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/semantic-rs/semantic-rs:/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] c1658326f03164aec8f750954f20b29034e94b5438ec76c08410d17e2a3fe3b2
[INFO] running `"docker" "start" "-a" "c1658326f03164aec8f750954f20b29034e94b5438ec76c08410d17e2a3fe3b2"`
[INFO] [stderr]    Compiling semantic-rs v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `"docker" "inspect" "c1658326f03164aec8f750954f20b29034e94b5438ec76c08410d17e2a3fe3b2"`
[INFO] running `"docker" "rm" "-f" "c1658326f03164aec8f750954f20b29034e94b5438ec76c08410d17e2a3fe3b2"`
[INFO] [stdout] c1658326f03164aec8f750954f20b29034e94b5438ec76c08410d17e2a3fe3b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/semantic-rs/semantic-rs:/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] dc837dbdc7560435521028e86c613301caf9e486993d93770cad4aec41b8be7f
[INFO] running `"docker" "start" "-a" "dc837dbdc7560435521028e86c613301caf9e486993d93770cad4aec41b8be7f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/semantic_rs-5e2a8cda330a0d5c
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test toml_file::tests::read_file_without_version_number ... ok
[INFO] [stdout] test toml_file::tests::read_version_number ... ok
[INFO] [stdout] test utils::test::fail_some_urls ... ok
[INFO] [stdout] test utils::test::parses_other_urls ... ok
[INFO] [stdout] test toml_file::tests::write_new_version_number ... ok
[INFO] [stdout] test utils::test::parses_remote_urls ... ok
[INFO] [stdout] test commit_analyzer::minor_commit ... ok
[INFO] [stdout] test commit_analyzer::major_commit ... ok
[INFO] [stdout] test commit_analyzer::unknown_type ... ok
[INFO] [stdout] test commit_analyzer::patch_commit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc837dbdc7560435521028e86c613301caf9e486993d93770cad4aec41b8be7f"`
[INFO] running `"docker" "rm" "-f" "dc837dbdc7560435521028e86c613301caf9e486993d93770cad4aec41b8be7f"`
[INFO] [stdout] dc837dbdc7560435521028e86c613301caf9e486993d93770cad4aec41b8be7f