[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/floschnell/flatcrawl-crawlers"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/floschnell/flatcrawl-crawlers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/floschnell/flatcrawl-crawlers" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/floschnell/flatcrawl-crawlers"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/floschnell/flatcrawl-crawlers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adb61ead64996f83997ff0c2e2e75d1f9d15174d
[INFO] sha for GitHub repo floschnell/flatcrawl-crawlers: adb61ead64996f83997ff0c2e2e75d1f9d15174d
[INFO] validating manifest of floschnell/flatcrawl-crawlers on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of floschnell/flatcrawl-crawlers on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking floschnell/flatcrawl-crawlers against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-5/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1639eb968d4b22ae35f4af020d11c6b907d04b0425ea8a103d723a45425e7fc
[INFO] running `"docker" "start" "-a" "a1639eb968d4b22ae35f4af020d11c6b907d04b0425ea8a103d723a45425e7fc"`
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking openssl-sys v0.9.39
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking openssl v0.9.24
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking config v0.9.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling cssparser v0.24.1
[INFO] [stderr]     Checking hyper-tls v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]     Checking reqwest v0.8.8
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling handlebars v1.1.0
[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] 
[INFO] [stderr]     Checking selectors v0.20.0
[INFO] [stderr]    Compiling amq-protocol-types v1.0.0
[INFO] [stderr]    Compiling markup5ever v0.7.3
[INFO] [stderr]     Checking amq-protocol-codegen v1.0.1
[INFO] [stderr]    Compiling amq-protocol v0.23.0
[INFO] [stderr]     Checking kuchiki v0.7.2
[INFO] [stderr]     Checking lapin-async v0.14.1
[INFO] [stderr]     Checking lapin-futures v0.14.1
[INFO] [stderr]     Checking flatcrawl-crawler v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut flats = flats_result.unwrap();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut flats = flats_result.unwrap();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 58s
[INFO] running `"docker" "inspect" "a1639eb968d4b22ae35f4af020d11c6b907d04b0425ea8a103d723a45425e7fc"`
[INFO] running `"docker" "rm" "-f" "a1639eb968d4b22ae35f4af020d11c6b907d04b0425ea8a103d723a45425e7fc"`
[INFO] [stdout] a1639eb968d4b22ae35f4af020d11c6b907d04b0425ea8a103d723a45425e7fc