[INFO] updating cached repository jjhbw/background-modelling
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jjhbw/background-modelling
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jjhbw/background-modelling" "work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/jjhbw/background-modelling"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/jjhbw/background-modelling'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jjhbw/background-modelling" "work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/jjhbw/background-modelling"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/jjhbw/background-modelling'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] afb5a57e6fd74fa7b2d8576db99a5f0a50d05cff
[INFO] sha for GitHub repo jjhbw/background-modelling: afb5a57e6fd74fa7b2d8576db99a5f0a50d05cff
[INFO] validating manifest of jjhbw/background-modelling on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jjhbw/background-modelling on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jjhbw/background-modelling
[INFO] finished frobbing jjhbw/background-modelling
[INFO] frobbed toml for jjhbw/background-modelling written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/jjhbw/background-modelling/Cargo.toml
[INFO] started frobbing jjhbw/background-modelling
[INFO] finished frobbing jjhbw/background-modelling
[INFO] frobbed toml for jjhbw/background-modelling written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/jjhbw/background-modelling/Cargo.toml
[INFO] crate jjhbw/background-modelling already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jjhbw/background-modelling against try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-5/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/jjhbw/background-modelling:/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" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a31562f4e9048a3e304a1676a9ac62a6107495c730599b240e80e65344bb0873
[INFO] running `"docker" "start" "-a" "a31562f4e9048a3e304a1676a9ac62a6107495c730599b240e80e65344bb0873"`
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.2.3
[INFO] [stderr]     Checking approx v0.2.0
[INFO] [stderr]     Checking criterion-stats v0.2.3
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.67
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking handlebars v0.31.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking alga v0.6.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking nalgebra v0.15.3
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking criterion v0.2.3
[INFO] [stderr]     Checking imageproc v0.15.0
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.15.3/src/base/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[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 traffic_counter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "a31562f4e9048a3e304a1676a9ac62a6107495c730599b240e80e65344bb0873"`
[INFO] running `"docker" "rm" "-f" "a31562f4e9048a3e304a1676a9ac62a6107495c730599b240e80e65344bb0873"`
[INFO] [stdout] a31562f4e9048a3e304a1676a9ac62a6107495c730599b240e80e65344bb0873