[INFO] updating cached repository aslamplr/scrabber
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aslamplr/scrabber
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aslamplr/scrabber" "work/ex/beta-1.38-1/sources/1.37.0/gh/aslamplr/scrabber"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aslamplr/scrabber'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aslamplr/scrabber" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aslamplr/scrabber"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aslamplr/scrabber'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 906a11f42572b3f4e8908cab258320aa072211b3
[INFO] sha for GitHub repo aslamplr/scrabber: 906a11f42572b3f4e8908cab258320aa072211b3
[INFO] validating manifest of aslamplr/scrabber 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 aslamplr/scrabber 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 aslamplr/scrabber
[INFO] finished frobbing aslamplr/scrabber
[INFO] frobbed toml for aslamplr/scrabber written to work/ex/beta-1.38-1/sources/1.37.0/gh/aslamplr/scrabber/Cargo.toml
[INFO] started frobbing aslamplr/scrabber
[INFO] finished frobbing aslamplr/scrabber
[INFO] frobbed toml for aslamplr/scrabber written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aslamplr/scrabber/Cargo.toml
[INFO] crate aslamplr/scrabber 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 aslamplr/scrabber 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aslamplr/scrabber:/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] 62b5932aa7a5c472ae5607cc3679459ba920917ed586bfcd312fef065519dfc5
[INFO] running `"docker" "start" "-a" "62b5932aa7a5c472ae5607cc3679459ba920917ed586bfcd312fef065519dfc5"`
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling ego-tree v0.5.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.21
[INFO] [stderr]    Compiling cssparser v0.23.10
[INFO] [stderr]    Compiling tendril v0.4.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling libflate v0.1.15
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling cssparser-macros v0.3.3
[INFO] [stderr]    Compiling selectors v0.19.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling markup5ever v0.7.2
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr] warning[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.23.10/src/parser.rs:572:17
[INFO] [stderr]     |
[INFO] [stderr] 547 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
[INFO] [stderr]     |                                                   - let's call the lifetime of this reference `'1`
[INFO] [stderr] ...
[INFO] [stderr] 560 |             Some(ref cached_token)
[INFO] [stderr]     |                  ---------------- borrow of `self.input.cached_token` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 572 |                 self.input.cached_token = Some(CachedToken {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 584 |         Ok(token)
[INFO] [stderr]     |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
[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-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling html5ever v0.22.3
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling scraper v0.7.0
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.6
[INFO] [stderr]    Compiling scrabber v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 | type ScrabResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "62b5932aa7a5c472ae5607cc3679459ba920917ed586bfcd312fef065519dfc5"`
[INFO] running `"docker" "rm" "-f" "62b5932aa7a5c472ae5607cc3679459ba920917ed586bfcd312fef065519dfc5"`
[INFO] [stdout] 62b5932aa7a5c472ae5607cc3679459ba920917ed586bfcd312fef065519dfc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aslamplr/scrabber:/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] 5f4f0454e66ee17fd63111c77e8dcd4e2512a6e0999f2af2a8a0a420a492da96
[INFO] running `"docker" "start" "-a" "5f4f0454e66ee17fd63111c77e8dcd4e2512a6e0999f2af2a8a0a420a492da96"`
[INFO] [stderr]    Compiling scrabber v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 | type ScrabResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "5f4f0454e66ee17fd63111c77e8dcd4e2512a6e0999f2af2a8a0a420a492da96"`
[INFO] running `"docker" "rm" "-f" "5f4f0454e66ee17fd63111c77e8dcd4e2512a6e0999f2af2a8a0a420a492da96"`
[INFO] [stdout] 5f4f0454e66ee17fd63111c77e8dcd4e2512a6e0999f2af2a8a0a420a492da96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aslamplr/scrabber:/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] d5c5dd10c9cc9c161917fc0b6782b0448b53c379ea1d32ef1e75d4a053ca9ecc
[INFO] running `"docker" "start" "-a" "d5c5dd10c9cc9c161917fc0b6782b0448b53c379ea1d32ef1e75d4a053ca9ecc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scrabber-99eee7e672291f7f
[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/scrabber-cd7e6bc550522fb1
[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]    Doc-tests scrabber
[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" "d5c5dd10c9cc9c161917fc0b6782b0448b53c379ea1d32ef1e75d4a053ca9ecc"`
[INFO] running `"docker" "rm" "-f" "d5c5dd10c9cc9c161917fc0b6782b0448b53c379ea1d32ef1e75d4a053ca9ecc"`
[INFO] [stdout] d5c5dd10c9cc9c161917fc0b6782b0448b53c379ea1d32ef1e75d4a053ca9ecc