[INFO] updating cached repository OwenChia/URL-Shortener
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/OwenChia/URL-Shortener
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/OwenChia/URL-Shortener" "work/ex/beta-1.38-1/sources/1.37.0/gh/OwenChia/URL-Shortener"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/OwenChia/URL-Shortener'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OwenChia/URL-Shortener" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OwenChia/URL-Shortener"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OwenChia/URL-Shortener'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 485a9bccfc48a84aa8fc4dbaea71962b2ac19351
[INFO] sha for GitHub repo OwenChia/URL-Shortener: 485a9bccfc48a84aa8fc4dbaea71962b2ac19351
[INFO] validating manifest of OwenChia/URL-Shortener 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 OwenChia/URL-Shortener 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 OwenChia/URL-Shortener
[INFO] finished frobbing OwenChia/URL-Shortener
[INFO] frobbed toml for OwenChia/URL-Shortener written to work/ex/beta-1.38-1/sources/1.37.0/gh/OwenChia/URL-Shortener/Cargo.toml
[INFO] started frobbing OwenChia/URL-Shortener
[INFO] finished frobbing OwenChia/URL-Shortener
[INFO] frobbed toml for OwenChia/URL-Shortener written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OwenChia/URL-Shortener/Cargo.toml
[INFO] crate OwenChia/URL-Shortener 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 OwenChia/URL-Shortener 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/OwenChia/URL-Shortener:/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] 7e5f05e4a0e2913eff8edd794d7ca42fe69ae4d8ad595dd59f090e1b1fbcd6f3
[INFO] running `"docker" "start" "-a" "7e5f05e4a0e2913eff8edd794d7ca42fe69ae4d8ad595dd59f090e1b1fbcd6f3"`
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]    Compiling memoffset v0.1.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]    Compiling rand_core v0.1.0
[INFO] [stderr]    Compiling hostname v0.1.4
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling actix-web v0.5.6
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.16
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling uuid v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.2.0
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling resolv-conf v0.6.0
[INFO] [stderr]    Compiling rand v0.5.0-pre.1
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling syn v0.13.2
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[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-1.7.0/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 brotli-sys v0.3.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.6
[INFO] [stderr]    Compiling crossbeam-channel v0.1.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling env_logger v0.5.9
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling trust-dns-proto v0.3.3
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling actix v0.5.6
[INFO] [stderr]    Compiling shorturl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 27s
[INFO] running `"docker" "inspect" "7e5f05e4a0e2913eff8edd794d7ca42fe69ae4d8ad595dd59f090e1b1fbcd6f3"`
[INFO] running `"docker" "rm" "-f" "7e5f05e4a0e2913eff8edd794d7ca42fe69ae4d8ad595dd59f090e1b1fbcd6f3"`
[INFO] [stdout] 7e5f05e4a0e2913eff8edd794d7ca42fe69ae4d8ad595dd59f090e1b1fbcd6f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/OwenChia/URL-Shortener:/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] 6cecdb7f9f62f57dbb514229c3ce2a308fb1ef3f86175737cae4b0aafbc6d7ea
[INFO] running `"docker" "start" "-a" "6cecdb7f9f62f57dbb514229c3ce2a308fb1ef3f86175737cae4b0aafbc6d7ea"`
[INFO] [stderr]    Compiling shorturl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "6cecdb7f9f62f57dbb514229c3ce2a308fb1ef3f86175737cae4b0aafbc6d7ea"`
[INFO] running `"docker" "rm" "-f" "6cecdb7f9f62f57dbb514229c3ce2a308fb1ef3f86175737cae4b0aafbc6d7ea"`
[INFO] [stdout] 6cecdb7f9f62f57dbb514229c3ce2a308fb1ef3f86175737cae4b0aafbc6d7ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/OwenChia/URL-Shortener:/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] 242c442484b8eb0120939d4c9b488fabe53c64405fbac438414900f1cdd0375f
[INFO] running `"docker" "start" "-a" "242c442484b8eb0120939d4c9b488fabe53c64405fbac438414900f1cdd0375f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[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] [stderr]      Running /opt/crater/target/debug/deps/shorturl-d964ec3bc3f90fdf
[INFO] running `"docker" "inspect" "242c442484b8eb0120939d4c9b488fabe53c64405fbac438414900f1cdd0375f"`
[INFO] running `"docker" "rm" "-f" "242c442484b8eb0120939d4c9b488fabe53c64405fbac438414900f1cdd0375f"`
[INFO] [stdout] 242c442484b8eb0120939d4c9b488fabe53c64405fbac438414900f1cdd0375f