[INFO] updating cached repository jakecoffman/rust-rest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jakecoffman/rust-rest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jakecoffman/rust-rest" "work/ex/beta-1.37-6/sources/1.36.0/gh/jakecoffman/rust-rest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jakecoffman/rust-rest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jakecoffman/rust-rest" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakecoffman/rust-rest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakecoffman/rust-rest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0b93915708734480bd2f530fee8e8171f680d3dd
[INFO] sha for GitHub repo jakecoffman/rust-rest: 0b93915708734480bd2f530fee8e8171f680d3dd
[INFO] validating manifest of jakecoffman/rust-rest 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 jakecoffman/rust-rest 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 jakecoffman/rust-rest
[INFO] finished frobbing jakecoffman/rust-rest
[INFO] frobbed toml for jakecoffman/rust-rest written to work/ex/beta-1.37-6/sources/1.36.0/gh/jakecoffman/rust-rest/Cargo.toml
[INFO] started frobbing jakecoffman/rust-rest
[INFO] finished frobbing jakecoffman/rust-rest
[INFO] frobbed toml for jakecoffman/rust-rest written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakecoffman/rust-rest/Cargo.toml
[INFO] crate jakecoffman/rust-rest 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 jakecoffman/rust-rest 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/jakecoffman/rust-rest:/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] a823f19da59ffd7c852375c176753f9b8e190e9e89f6d9c0ec83ebf40ffddafe
[INFO] running `"docker" "start" "-a" "a823f19da59ffd7c852375c176753f9b8e190e9e89f6d9c0ec83ebf40ffddafe"`
[INFO] [stderr]    Compiling serde v1.0.49
[INFO] [stderr]    Compiling unicode-normalization v0.1.6
[INFO] [stderr]    Compiling memoffset v0.1.0
[INFO] [stderr]    Compiling horrorshow v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-web v0.5.6
[INFO] [stderr]    Compiling hostname v0.1.4
[INFO] [stderr]    Compiling socket2 v0.3.5
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling uuid v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.2.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling resolv-conf v0.6.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.49
[INFO] [stderr]    Compiling diesel_derives v1.2.0
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.1.2
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling h2 v0.1.6
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling backtrace v0.2.3
[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-1.7.0/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 tokio-signal v0.1.5
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling diesel v1.2.2
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling env_logger v0.5.10
[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 mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling postgres-shared v0.4.1
[INFO] [stderr]    Compiling askama_shared v0.6.2
[INFO] [stderr]    Compiling trust-dns-proto v0.3.3
[INFO] [stderr]    Compiling askama_derive v0.6.4
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling actix v0.5.6
[INFO] [stderr]    Compiling askama v0.6.4
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling rust-rest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 45s
[INFO] running `"docker" "inspect" "a823f19da59ffd7c852375c176753f9b8e190e9e89f6d9c0ec83ebf40ffddafe"`
[INFO] running `"docker" "rm" "-f" "a823f19da59ffd7c852375c176753f9b8e190e9e89f6d9c0ec83ebf40ffddafe"`
[INFO] [stdout] a823f19da59ffd7c852375c176753f9b8e190e9e89f6d9c0ec83ebf40ffddafe
[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/jakecoffman/rust-rest:/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] ae856dc1a34d7f809c60084ce0a8df2cb0c1888d39d188b3a4f64f6be48d6c35
[INFO] running `"docker" "start" "-a" "ae856dc1a34d7f809c60084ce0a8df2cb0c1888d39d188b3a4f64f6be48d6c35"`
[INFO] [stderr]    Compiling rust-rest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `"docker" "inspect" "ae856dc1a34d7f809c60084ce0a8df2cb0c1888d39d188b3a4f64f6be48d6c35"`
[INFO] running `"docker" "rm" "-f" "ae856dc1a34d7f809c60084ce0a8df2cb0c1888d39d188b3a4f64f6be48d6c35"`
[INFO] [stdout] ae856dc1a34d7f809c60084ce0a8df2cb0c1888d39d188b3a4f64f6be48d6c35
[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/jakecoffman/rust-rest:/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] 3bde1c8bcbebbfbd4374c9c0e4b5f5d0bea8167344abbf6edd42416fc9af10e8
[INFO] running `"docker" "start" "-a" "3bde1c8bcbebbfbd4374c9c0e4b5f5d0bea8167344abbf6edd42416fc9af10e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_rest-030240ead0da4414
[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" "3bde1c8bcbebbfbd4374c9c0e4b5f5d0bea8167344abbf6edd42416fc9af10e8"`
[INFO] running `"docker" "rm" "-f" "3bde1c8bcbebbfbd4374c9c0e4b5f5d0bea8167344abbf6edd42416fc9af10e8"`
[INFO] [stdout] 3bde1c8bcbebbfbd4374c9c0e4b5f5d0bea8167344abbf6edd42416fc9af10e8