[INFO] updating cached repository Damoun/rust-ip-api
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Damoun/rust-ip-api
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Damoun/rust-ip-api" "work/ex/beta-1.38-1/sources/1.37.0/gh/Damoun/rust-ip-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Damoun/rust-ip-api'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Damoun/rust-ip-api" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Damoun/rust-ip-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Damoun/rust-ip-api'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 171618243131f654c39c29e958b724bff9602b2f
[INFO] sha for GitHub repo Damoun/rust-ip-api: 171618243131f654c39c29e958b724bff9602b2f
[INFO] validating manifest of Damoun/rust-ip-api 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 Damoun/rust-ip-api 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 Damoun/rust-ip-api
[INFO] finished frobbing Damoun/rust-ip-api
[INFO] frobbed toml for Damoun/rust-ip-api written to work/ex/beta-1.38-1/sources/1.37.0/gh/Damoun/rust-ip-api/Cargo.toml
[INFO] started frobbing Damoun/rust-ip-api
[INFO] finished frobbing Damoun/rust-ip-api
[INFO] frobbed toml for Damoun/rust-ip-api written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Damoun/rust-ip-api/Cargo.toml
[INFO] crate Damoun/rust-ip-api 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 Damoun/rust-ip-api 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/Damoun/rust-ip-api:/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] 79eb576c95edb1505590c21aa310aa159035c60685e4547abaacaabc019561b5
[INFO] running `"docker" "start" "-a" "79eb576c95edb1505590c21aa310aa159035c60685e4547abaacaabc019561b5"`
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling regex v0.2.2
[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-1.5.1/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 hyper v0.10.12
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling mount v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling logger v0.3.0
[INFO] [stderr]    Compiling ip-api v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.31s
[INFO] running `"docker" "inspect" "79eb576c95edb1505590c21aa310aa159035c60685e4547abaacaabc019561b5"`
[INFO] running `"docker" "rm" "-f" "79eb576c95edb1505590c21aa310aa159035c60685e4547abaacaabc019561b5"`
[INFO] [stdout] 79eb576c95edb1505590c21aa310aa159035c60685e4547abaacaabc019561b5
[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/Damoun/rust-ip-api:/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] d936a077a8654bccfb1bb378d37201ee63819cf987329e59fe9707fb959b8c52
[INFO] running `"docker" "start" "-a" "d936a077a8654bccfb1bb378d37201ee63819cf987329e59fe9707fb959b8c52"`
[INFO] [stderr]    Compiling ip-api v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "d936a077a8654bccfb1bb378d37201ee63819cf987329e59fe9707fb959b8c52"`
[INFO] running `"docker" "rm" "-f" "d936a077a8654bccfb1bb378d37201ee63819cf987329e59fe9707fb959b8c52"`
[INFO] [stdout] d936a077a8654bccfb1bb378d37201ee63819cf987329e59fe9707fb959b8c52
[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/Damoun/rust-ip-api:/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] 8a031c9caefd852225a916e05e083d41a42aa7b3145d0c6f5df5994de1775a41
[INFO] running `"docker" "start" "-a" "8a031c9caefd852225a916e05e083d41a42aa7b3145d0c6f5df5994de1775a41"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip_api-440d0779ee0268c6
[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" "8a031c9caefd852225a916e05e083d41a42aa7b3145d0c6f5df5994de1775a41"`
[INFO] running `"docker" "rm" "-f" "8a031c9caefd852225a916e05e083d41a42aa7b3145d0c6f5df5994de1775a41"`
[INFO] [stdout] 8a031c9caefd852225a916e05e083d41a42aa7b3145d0c6f5df5994de1775a41