[INFO] updating cached repository Guillaume-Mayer/rest-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Guillaume-Mayer/rest-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Guillaume-Mayer/rest-in-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/rest-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/rest-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Guillaume-Mayer/rest-in-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Guillaume-Mayer/rest-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Guillaume-Mayer/rest-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86044d8fd37fe880df68d018ff0571c8b64f2da3
[INFO] sha for GitHub repo Guillaume-Mayer/rest-in-rust: 86044d8fd37fe880df68d018ff0571c8b64f2da3
[INFO] validating manifest of Guillaume-Mayer/rest-in-rust 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 Guillaume-Mayer/rest-in-rust 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 Guillaume-Mayer/rest-in-rust
[INFO] finished frobbing Guillaume-Mayer/rest-in-rust
[INFO] frobbed toml for Guillaume-Mayer/rest-in-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Guillaume-Mayer/rest-in-rust/Cargo.toml
[INFO] started frobbing Guillaume-Mayer/rest-in-rust
[INFO] finished frobbing Guillaume-Mayer/rest-in-rust
[INFO] frobbed toml for Guillaume-Mayer/rest-in-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Guillaume-Mayer/rest-in-rust/Cargo.toml
[INFO] crate Guillaume-Mayer/rest-in-rust 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 Guillaume-Mayer/rest-in-rust 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/Guillaume-Mayer/rest-in-rust:/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] 2171401e7d74984638300375a6577ece6bd78e26dc1e7fa81cfcd4f8200fb89a
[INFO] running `"docker" "start" "-a" "2171401e7d74984638300375a6577ece6bd78e26dc1e7fa81cfcd4f8200fb89a"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling traitobject v0.0.3
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling url v1.2.4
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[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-1.2.4/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 cookie v0.2.5
[INFO] [stderr]    Compiling hyper v0.9.14
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling router v0.4.0
[INFO] [stderr]    Compiling rest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.31s
[INFO] running `"docker" "inspect" "2171401e7d74984638300375a6577ece6bd78e26dc1e7fa81cfcd4f8200fb89a"`
[INFO] running `"docker" "rm" "-f" "2171401e7d74984638300375a6577ece6bd78e26dc1e7fa81cfcd4f8200fb89a"`
[INFO] [stdout] 2171401e7d74984638300375a6577ece6bd78e26dc1e7fa81cfcd4f8200fb89a
[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/Guillaume-Mayer/rest-in-rust:/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] 1513a1587accce29fa980f6ec58379a7a6d87609604f8ca6be32b8fd2214697e
[INFO] running `"docker" "start" "-a" "1513a1587accce29fa980f6ec58379a7a6d87609604f8ca6be32b8fd2214697e"`
[INFO] [stderr]    Compiling rest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "1513a1587accce29fa980f6ec58379a7a6d87609604f8ca6be32b8fd2214697e"`
[INFO] running `"docker" "rm" "-f" "1513a1587accce29fa980f6ec58379a7a6d87609604f8ca6be32b8fd2214697e"`
[INFO] [stdout] 1513a1587accce29fa980f6ec58379a7a6d87609604f8ca6be32b8fd2214697e
[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/Guillaume-Mayer/rest-in-rust:/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] c9daa536f81ea844e67093f83c7739bc61006e3c18e9ef815aaf8bdd1df3000d
[INFO] running `"docker" "start" "-a" "c9daa536f81ea844e67093f83c7739bc61006e3c18e9ef815aaf8bdd1df3000d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rest-6d780b5a9936b861
[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" "c9daa536f81ea844e67093f83c7739bc61006e3c18e9ef815aaf8bdd1df3000d"`
[INFO] running `"docker" "rm" "-f" "c9daa536f81ea844e67093f83c7739bc61006e3c18e9ef815aaf8bdd1df3000d"`
[INFO] [stdout] c9daa536f81ea844e67093f83c7739bc61006e3c18e9ef815aaf8bdd1df3000d