[INFO] updating cached repository na-o-ys/train-dijkstra-demo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/na-o-ys/train-dijkstra-demo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/na-o-ys/train-dijkstra-demo" "work/ex/beta-1.37-6/sources/1.36.0/gh/na-o-ys/train-dijkstra-demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/na-o-ys/train-dijkstra-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/na-o-ys/train-dijkstra-demo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/na-o-ys/train-dijkstra-demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/na-o-ys/train-dijkstra-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4be6a1addd959ae23c70e829c8ec2e3e86bc259
[INFO] sha for GitHub repo na-o-ys/train-dijkstra-demo: e4be6a1addd959ae23c70e829c8ec2e3e86bc259
[INFO] validating manifest of na-o-ys/train-dijkstra-demo 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 na-o-ys/train-dijkstra-demo 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 na-o-ys/train-dijkstra-demo
[INFO] finished frobbing na-o-ys/train-dijkstra-demo
[INFO] frobbed toml for na-o-ys/train-dijkstra-demo written to work/ex/beta-1.37-6/sources/1.36.0/gh/na-o-ys/train-dijkstra-demo/Cargo.toml
[INFO] started frobbing na-o-ys/train-dijkstra-demo
[INFO] finished frobbing na-o-ys/train-dijkstra-demo
[INFO] frobbed toml for na-o-ys/train-dijkstra-demo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/na-o-ys/train-dijkstra-demo/Cargo.toml
[INFO] crate na-o-ys/train-dijkstra-demo 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 na-o-ys/train-dijkstra-demo against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/na-o-ys/train-dijkstra-demo:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 60b31785ff5726bdd7cb5edbb5af935ea161c4ecd374c7c0f7797ba195fc1f45
[INFO] running `"docker" "start" "-a" "60b31785ff5726bdd7cb5edbb5af935ea161c4ecd374c7c0f7797ba195fc1f45"`
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling train-dijkstra-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     while true {
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.25s
[INFO] running `"docker" "inspect" "60b31785ff5726bdd7cb5edbb5af935ea161c4ecd374c7c0f7797ba195fc1f45"`
[INFO] running `"docker" "rm" "-f" "60b31785ff5726bdd7cb5edbb5af935ea161c4ecd374c7c0f7797ba195fc1f45"`
[INFO] [stdout] 60b31785ff5726bdd7cb5edbb5af935ea161c4ecd374c7c0f7797ba195fc1f45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/na-o-ys/train-dijkstra-demo:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7f623868a971c9b2b5a232a04202a6d1a48b99664b57dfb5f08fefe33d75c5b9
[INFO] running `"docker" "start" "-a" "7f623868a971c9b2b5a232a04202a6d1a48b99664b57dfb5f08fefe33d75c5b9"`
[INFO] [stderr]    Compiling train-dijkstra-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     while true {
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "7f623868a971c9b2b5a232a04202a6d1a48b99664b57dfb5f08fefe33d75c5b9"`
[INFO] running `"docker" "rm" "-f" "7f623868a971c9b2b5a232a04202a6d1a48b99664b57dfb5f08fefe33d75c5b9"`
[INFO] [stdout] 7f623868a971c9b2b5a232a04202a6d1a48b99664b57dfb5f08fefe33d75c5b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/na-o-ys/train-dijkstra-demo:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6b010fb1f78f538da085633da739e5bbbf4c4560736261520a628bf97688e20e
[INFO] running `"docker" "start" "-a" "6b010fb1f78f538da085633da739e5bbbf4c4560736261520a628bf97688e20e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/train_dijkstra_demo-0b01b40882fc1b82
[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" "6b010fb1f78f538da085633da739e5bbbf4c4560736261520a628bf97688e20e"`
[INFO] running `"docker" "rm" "-f" "6b010fb1f78f538da085633da739e5bbbf4c4560736261520a628bf97688e20e"`
[INFO] [stdout] 6b010fb1f78f538da085633da739e5bbbf4c4560736261520a628bf97688e20e