[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-1.37-6/sources/1.36.0/gh/OwenChia/URL-Shortener"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/OwenChia/URL-Shortener'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OwenChia/URL-Shortener" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/OwenChia/URL-Shortener"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of OwenChia/URL-Shortener on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing OwenChia/URL-Shortener against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3d8cd15e3c27fa785d032f48f115af362dfd9100bed4606ea5129037531e6d9a
[INFO] running `"docker" "start" "-a" "3d8cd15e3c27fa785d032f48f115af362dfd9100bed4606ea5129037531e6d9a"`
[INFO] [stderr]    Compiling memoffset v0.1.0
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]    Compiling rand_core v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling hostname v0.1.4
[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 base64 v0.6.0
[INFO] [stderr]    Compiling uuid v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.2.0
[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 http v0.1.5
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling crossbeam-channel v0.1.2
[INFO] [stderr]    Compiling env_logger v0.5.9
[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 rayon v0.8.2
[INFO] [stderr]    Compiling syn v0.13.2
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]    Compiling h2 v0.1.6
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling trust-dns-proto v0.3.3
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[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 15s
[INFO] running `"docker" "inspect" "3d8cd15e3c27fa785d032f48f115af362dfd9100bed4606ea5129037531e6d9a"`
[INFO] running `"docker" "rm" "-f" "3d8cd15e3c27fa785d032f48f115af362dfd9100bed4606ea5129037531e6d9a"`
[INFO] [stdout] 3d8cd15e3c27fa785d032f48f115af362dfd9100bed4606ea5129037531e6d9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 904bad50ebd352b667bfa64216025cdbcd94f87bd32518607ed5058e930d7e81
[INFO] running `"docker" "start" "-a" "904bad50ebd352b667bfa64216025cdbcd94f87bd32518607ed5058e930d7e81"`
[INFO] [stderr]    Compiling shorturl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `"docker" "inspect" "904bad50ebd352b667bfa64216025cdbcd94f87bd32518607ed5058e930d7e81"`
[INFO] running `"docker" "rm" "-f" "904bad50ebd352b667bfa64216025cdbcd94f87bd32518607ed5058e930d7e81"`
[INFO] [stdout] 904bad50ebd352b667bfa64216025cdbcd94f87bd32518607ed5058e930d7e81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ba7b8cb35ec4caabf74c0dd291c71792c5f4e4001147c7936ac7cba94d02a0c3
[INFO] running `"docker" "start" "-a" "ba7b8cb35ec4caabf74c0dd291c71792c5f4e4001147c7936ac7cba94d02a0c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shorturl-61351f97424abb75
[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" "ba7b8cb35ec4caabf74c0dd291c71792c5f4e4001147c7936ac7cba94d02a0c3"`
[INFO] running `"docker" "rm" "-f" "ba7b8cb35ec4caabf74c0dd291c71792c5f4e4001147c7936ac7cba94d02a0c3"`
[INFO] [stdout] ba7b8cb35ec4caabf74c0dd291c71792c5f4e4001147c7936ac7cba94d02a0c3