[INFO] updating cached repository crumblingstatue/rscrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crumblingstatue/rscrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crumblingstatue/rscrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/crumblingstatue/rscrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/crumblingstatue/rscrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crumblingstatue/rscrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crumblingstatue/rscrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crumblingstatue/rscrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3ca45bd0f9096643f1c0a480f06f10e223284f5
[INFO] sha for GitHub repo crumblingstatue/rscrot: f3ca45bd0f9096643f1c0a480f06f10e223284f5
[INFO] validating manifest of crumblingstatue/rscrot 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 crumblingstatue/rscrot 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 crumblingstatue/rscrot
[INFO] finished frobbing crumblingstatue/rscrot
[INFO] frobbed toml for crumblingstatue/rscrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/crumblingstatue/rscrot/Cargo.toml
[INFO] started frobbing crumblingstatue/rscrot
[INFO] finished frobbing crumblingstatue/rscrot
[INFO] frobbed toml for crumblingstatue/rscrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/crumblingstatue/rscrot/Cargo.toml
[INFO] crate crumblingstatue/rscrot 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing crumblingstatue/rscrot against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/crumblingstatue/rscrot:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 395f208222192e2d85692c08dbbd76060b46981544ef37458511c1318d4aff9e
[INFO] running `"docker" "start" "-a" "395f208222192e2d85692c08dbbd76060b46981544ef37458511c1318d4aff9e"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling unicode-bidi v0.3.2
[INFO] [stderr]    Compiling mime v0.2.4
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling idna v0.1.2
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling ring v0.9.7
[INFO] [stderr]    Compiling url v1.4.0
[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-1.4.0/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] 
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling webpki v0.12.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling notify-rust v3.4.0
[INFO] [stderr]    Compiling rustls v0.8.0
[INFO] [stderr]    Compiling webpki-roots v0.10.0
[INFO] [stderr]    Compiling hyper-rustls v0.6.0
[INFO] [stderr]    Compiling imgur v0.7.0
[INFO] [stderr]    Compiling rscrot v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.21s
[INFO] running `"docker" "inspect" "395f208222192e2d85692c08dbbd76060b46981544ef37458511c1318d4aff9e"`
[INFO] running `"docker" "rm" "-f" "395f208222192e2d85692c08dbbd76060b46981544ef37458511c1318d4aff9e"`
[INFO] [stdout] 395f208222192e2d85692c08dbbd76060b46981544ef37458511c1318d4aff9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/crumblingstatue/rscrot:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ea5059104cb630b318203737ca13005c708b0e2cd6e132998b3c67363ca4a721
[INFO] running `"docker" "start" "-a" "ea5059104cb630b318203737ca13005c708b0e2cd6e132998b3c67363ca4a721"`
[INFO] [stderr]    Compiling rscrot v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "ea5059104cb630b318203737ca13005c708b0e2cd6e132998b3c67363ca4a721"`
[INFO] running `"docker" "rm" "-f" "ea5059104cb630b318203737ca13005c708b0e2cd6e132998b3c67363ca4a721"`
[INFO] [stdout] ea5059104cb630b318203737ca13005c708b0e2cd6e132998b3c67363ca4a721
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/crumblingstatue/rscrot:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4fa9a5d6ab76b08662da77941981fcca9a8045b012b23a07b65e5879dbc692e0
[INFO] running `"docker" "start" "-a" "4fa9a5d6ab76b08662da77941981fcca9a8045b012b23a07b65e5879dbc692e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rscrot-79484bb8547d50a6
[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" "4fa9a5d6ab76b08662da77941981fcca9a8045b012b23a07b65e5879dbc692e0"`
[INFO] running `"docker" "rm" "-f" "4fa9a5d6ab76b08662da77941981fcca9a8045b012b23a07b65e5879dbc692e0"`
[INFO] [stdout] 4fa9a5d6ab76b08662da77941981fcca9a8045b012b23a07b65e5879dbc692e0