[INFO] updating cached repository floschnell/flatcrawl-crawlers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/floschnell/flatcrawl-crawlers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/floschnell/flatcrawl-crawlers" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/floschnell/flatcrawl-crawlers"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/floschnell/flatcrawl-crawlers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/floschnell/flatcrawl-crawlers" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/floschnell/flatcrawl-crawlers"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/floschnell/flatcrawl-crawlers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec37c98b3f492b6353f2b6145c7a14d23f8737c6
[INFO] sha for GitHub repo floschnell/flatcrawl-crawlers: ec37c98b3f492b6353f2b6145c7a14d23f8737c6
[INFO] validating manifest of floschnell/flatcrawl-crawlers on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of floschnell/flatcrawl-crawlers on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing floschnell/flatcrawl-crawlers
[INFO] finished frobbing floschnell/flatcrawl-crawlers
[INFO] frobbed toml for floschnell/flatcrawl-crawlers written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/floschnell/flatcrawl-crawlers/Cargo.toml
[INFO] started frobbing floschnell/flatcrawl-crawlers
[INFO] finished frobbing floschnell/flatcrawl-crawlers
[INFO] frobbed toml for floschnell/flatcrawl-crawlers written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/floschnell/flatcrawl-crawlers/Cargo.toml
[INFO] crate floschnell/flatcrawl-crawlers already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking floschnell/flatcrawl-crawlers against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/floschnell/flatcrawl-crawlers:/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=forbid" "-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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2fa5f1e7dc0fa036f6ece7786bdc7712bae10e591b9cdc6005f04eecc1158794
[INFO] running `"docker" "start" "-a" "2fa5f1e7dc0fa036f6ece7786bdc7712bae10e591b9cdc6005f04eecc1158794"`
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking dns-lookup v1.0.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling selectors v0.20.0
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling amq-protocol-types v1.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking config v0.9.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking cssparser v0.24.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking html5ever v0.22.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[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-0.24.1/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]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking tokio v0.1.16
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking amq-protocol-codegen v1.4.0
[INFO] [stderr]     Checking kuchiki v0.7.2
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.11
[INFO] [stderr]    Compiling amq-protocol v1.4.0
[INFO] [stderr]     Checking lapin-async v0.18.0
[INFO] [stderr]     Checking lapin-futures v0.18.0
[INFO] [stderr]     Checking flatcrawl-crawler v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawlers/executor.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn execute(config: &Config, crawler: &Box<Crawler>) -> Result<Vec<Flat>, Error> {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Crawler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawlers/executor.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |   crawler: &Box<Crawler>,
[INFO] [stderr]    |                 ^^^^^^^ help: use `dyn`: `dyn Crawler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawlers.rs:31:62
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn get_crawler(crawler_impl: &CrawlerImpl) -> Result<Box<Crawler>, Error> {
[INFO] [stderr]    |                                                              ^^^^^^^ help: use `dyn`: `dyn Crawler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawlers/executor.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn execute(config: &Config, crawler: &Box<Crawler>) -> Result<Vec<Flat>, Error> {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Crawler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawlers/executor.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |   crawler: &Box<Crawler>,
[INFO] [stderr]    |                 ^^^^^^^ help: use `dyn`: `dyn Crawler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawlers.rs:31:62
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn get_crawler(crawler_impl: &CrawlerImpl) -> Result<Box<Crawler>, Error> {
[INFO] [stderr]    |                                                              ^^^^^^^ help: use `dyn`: `dyn Crawler`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `"docker" "inspect" "2fa5f1e7dc0fa036f6ece7786bdc7712bae10e591b9cdc6005f04eecc1158794"`
[INFO] running `"docker" "rm" "-f" "2fa5f1e7dc0fa036f6ece7786bdc7712bae10e591b9cdc6005f04eecc1158794"`
[INFO] [stdout] 2fa5f1e7dc0fa036f6ece7786bdc7712bae10e591b9cdc6005f04eecc1158794