[INFO] updating cached repository rail44/kntn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rail44/kntn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rail44/kntn" "work/ex/beta-1.37-6/sources/1.36.0/gh/rail44/kntn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rail44/kntn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rail44/kntn" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rail44/kntn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rail44/kntn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8766f5cd72af9ce29e09e8002dab8ebab8c7e940
[INFO] sha for GitHub repo rail44/kntn: 8766f5cd72af9ce29e09e8002dab8ebab8c7e940
[INFO] validating manifest of rail44/kntn on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rail44/kntn on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rail44/kntn
[INFO] finished frobbing rail44/kntn
[INFO] frobbed toml for rail44/kntn written to work/ex/beta-1.37-6/sources/1.36.0/gh/rail44/kntn/Cargo.toml
[INFO] started frobbing rail44/kntn
[INFO] finished frobbing rail44/kntn
[INFO] frobbed toml for rail44/kntn written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rail44/kntn/Cargo.toml
[INFO] crate rail44/kntn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rail44/kntn against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rail44/kntn:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5d4292618e310670287088998f66c3e521c109a2f56ee7f64a829b93f92f2224
[INFO] running `"docker" "start" "-a" "5d4292618e310670287088998f66c3e521c109a2f56ee7f64a829b93f92f2224"`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v1.0.24
[INFO] [stderr]    Compiling pest v1.0.0-beta.16
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- 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]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling pest_derive v1.0.0-beta.16
[INFO] [stderr]    Compiling serde_json v1.0.8
[INFO] [stderr]    Compiling handlebars v0.30.0-beta.4
[INFO] [stderr]    Compiling kntn v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.32s
[INFO] running `"docker" "inspect" "5d4292618e310670287088998f66c3e521c109a2f56ee7f64a829b93f92f2224"`
[INFO] running `"docker" "rm" "-f" "5d4292618e310670287088998f66c3e521c109a2f56ee7f64a829b93f92f2224"`
[INFO] [stdout] 5d4292618e310670287088998f66c3e521c109a2f56ee7f64a829b93f92f2224
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rail44/kntn:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a7bb0fac4aa22aa5de05ee8001a4d9929b801a4c8b2c9696f78bf3226cac84a2
[INFO] running `"docker" "start" "-a" "a7bb0fac4aa22aa5de05ee8001a4d9929b801a4c8b2c9696f78bf3226cac84a2"`
[INFO] [stderr]    Compiling kntn v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "a7bb0fac4aa22aa5de05ee8001a4d9929b801a4c8b2c9696f78bf3226cac84a2"`
[INFO] running `"docker" "rm" "-f" "a7bb0fac4aa22aa5de05ee8001a4d9929b801a4c8b2c9696f78bf3226cac84a2"`
[INFO] [stdout] a7bb0fac4aa22aa5de05ee8001a4d9929b801a4c8b2c9696f78bf3226cac84a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rail44/kntn:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4c4df18ced418787368d9c2d25eef7c5fa93abae3774b57f0696d641682ec8ed
[INFO] running `"docker" "start" "-a" "4c4df18ced418787368d9c2d25eef7c5fa93abae3774b57f0696d641682ec8ed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kntn-6b935fbe86e2f759
[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" "4c4df18ced418787368d9c2d25eef7c5fa93abae3774b57f0696d641682ec8ed"`
[INFO] running `"docker" "rm" "-f" "4c4df18ced418787368d9c2d25eef7c5fa93abae3774b57f0696d641682ec8ed"`
[INFO] [stdout] 4c4df18ced418787368d9c2d25eef7c5fa93abae3774b57f0696d641682ec8ed