[INFO] updating cached repository ticky/kuvvfetch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ticky/kuvvfetch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ticky/kuvvfetch" "work/ex/beta-1.38-1/sources/1.37.0/gh/ticky/kuvvfetch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ticky/kuvvfetch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ticky/kuvvfetch" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ticky/kuvvfetch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ticky/kuvvfetch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 58621fdb3d19e5a5e4c3a6f800ffdb88e780bb52
[INFO] sha for GitHub repo ticky/kuvvfetch: 58621fdb3d19e5a5e4c3a6f800ffdb88e780bb52
[INFO] validating manifest of ticky/kuvvfetch 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 ticky/kuvvfetch 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 ticky/kuvvfetch
[INFO] finished frobbing ticky/kuvvfetch
[INFO] frobbed toml for ticky/kuvvfetch written to work/ex/beta-1.38-1/sources/1.37.0/gh/ticky/kuvvfetch/Cargo.toml
[INFO] started frobbing ticky/kuvvfetch
[INFO] finished frobbing ticky/kuvvfetch
[INFO] frobbed toml for ticky/kuvvfetch written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ticky/kuvvfetch/Cargo.toml
[INFO] crate ticky/kuvvfetch 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 ticky/kuvvfetch 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ticky/kuvvfetch:/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] f4e99c8a162127adcd08681e5c87744b8a67b011472238e57ec132596fbf1485
[INFO] running `"docker" "start" "-a" "f4e99c8a162127adcd08681e5c87744b8a67b011472238e57ec132596fbf1485"`
[INFO] [stderr]    Compiling cc v1.0.12
[INFO] [stderr]    Compiling utf-8 v0.7.2
[INFO] [stderr]    Compiling ego-tree v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling futf v0.1.3
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling tendril v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling selectors v0.19.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling string_cache v0.7.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling hyper v0.11.25
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling cssparser v0.23.5
[INFO] [stderr]    Compiling cssparser-macros v0.3.3
[INFO] [stderr]    Compiling html5ever v0.22.3
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.5
[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-0.23.5/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 markup5ever v0.7.2
[INFO] [stderr]    Compiling scraper v0.6.0
[INFO] [stderr]    Compiling kuvvfetch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `"docker" "inspect" "f4e99c8a162127adcd08681e5c87744b8a67b011472238e57ec132596fbf1485"`
[INFO] running `"docker" "rm" "-f" "f4e99c8a162127adcd08681e5c87744b8a67b011472238e57ec132596fbf1485"`
[INFO] [stdout] f4e99c8a162127adcd08681e5c87744b8a67b011472238e57ec132596fbf1485
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ticky/kuvvfetch:/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] e7fdbdefe7ed75c441f44bbf03dcd0d5bcabeb601a29eb006e27418fa12b447e
[INFO] running `"docker" "start" "-a" "e7fdbdefe7ed75c441f44bbf03dcd0d5bcabeb601a29eb006e27418fa12b447e"`
[INFO] [stderr]    Compiling kuvvfetch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "e7fdbdefe7ed75c441f44bbf03dcd0d5bcabeb601a29eb006e27418fa12b447e"`
[INFO] running `"docker" "rm" "-f" "e7fdbdefe7ed75c441f44bbf03dcd0d5bcabeb601a29eb006e27418fa12b447e"`
[INFO] [stdout] e7fdbdefe7ed75c441f44bbf03dcd0d5bcabeb601a29eb006e27418fa12b447e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ticky/kuvvfetch:/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] 492a43db17804889930644fe1e6c0414c8400b882d121a7a939663fd9674ea2e
[INFO] running `"docker" "start" "-a" "492a43db17804889930644fe1e6c0414c8400b882d121a7a939663fd9674ea2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kuvvfetch-a7ba7f1599191cae
[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" "492a43db17804889930644fe1e6c0414c8400b882d121a7a939663fd9674ea2e"`
[INFO] running `"docker" "rm" "-f" "492a43db17804889930644fe1e6c0414c8400b882d121a7a939663fd9674ea2e"`
[INFO] [stdout] 492a43db17804889930644fe1e6c0414c8400b882d121a7a939663fd9674ea2e