[INFO] updating cached repository buntine/pfnp-course
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/buntine/pfnp-course
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/buntine/pfnp-course" "work/ex/beta-1.37-6/sources/1.36.0/gh/buntine/pfnp-course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/buntine/pfnp-course'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/buntine/pfnp-course" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/buntine/pfnp-course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/buntine/pfnp-course'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7cc87ac5307628e4f68dfe8d3a49e560bd248ed
[INFO] sha for GitHub repo buntine/pfnp-course: b7cc87ac5307628e4f68dfe8d3a49e560bd248ed
[INFO] validating manifest of buntine/pfnp-course 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 buntine/pfnp-course 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 buntine/pfnp-course
[INFO] finished frobbing buntine/pfnp-course
[INFO] frobbed toml for buntine/pfnp-course written to work/ex/beta-1.37-6/sources/1.36.0/gh/buntine/pfnp-course/Cargo.toml
[INFO] started frobbing buntine/pfnp-course
[INFO] finished frobbing buntine/pfnp-course
[INFO] frobbed toml for buntine/pfnp-course written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/buntine/pfnp-course/Cargo.toml
[INFO] crate buntine/pfnp-course 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/buntine/pfnp-course/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 buntine/pfnp-course 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-3/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/buntine/pfnp-course:/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] 5ceb36cfb20d2aa4456a7e98670b4826b492a530d13804a33ea79c972d368383
[INFO] running `"docker" "start" "-a" "5ceb36cfb20d2aa4456a7e98670b4826b492a530d13804a33ea79c972d368383"`
[INFO] [stderr]    Compiling pfnp-course v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 |       router.get("/course/:course", middleware! { |req, res|
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 12 | |         let mut data = HashMap::new();
[INFO] [stderr] 13 | |         let course = req.param("course").unwrap();
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |         return res.render(format!("views/{}.tpl", course), &data);
[INFO] [stderr] 18 | |     });
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `"docker" "inspect" "5ceb36cfb20d2aa4456a7e98670b4826b492a530d13804a33ea79c972d368383"`
[INFO] running `"docker" "rm" "-f" "5ceb36cfb20d2aa4456a7e98670b4826b492a530d13804a33ea79c972d368383"`
[INFO] [stdout] 5ceb36cfb20d2aa4456a7e98670b4826b492a530d13804a33ea79c972d368383
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/buntine/pfnp-course:/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] f21b225dffea75aeb7a516a7089c76ec41ab124839ee0543de8cd7b437f0c922
[INFO] running `"docker" "start" "-a" "f21b225dffea75aeb7a516a7089c76ec41ab124839ee0543de8cd7b437f0c922"`
[INFO] [stderr]    Compiling pfnp-course v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 |       router.get("/course/:course", middleware! { |req, res|
[INFO] [stderr]    |  ___________________________________^
[INFO] [stderr] 12 | |         let mut data = HashMap::new();
[INFO] [stderr] 13 | |         let course = req.param("course").unwrap();
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |         return res.render(format!("views/{}.tpl", course), &data);
[INFO] [stderr] 18 | |     });
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "f21b225dffea75aeb7a516a7089c76ec41ab124839ee0543de8cd7b437f0c922"`
[INFO] running `"docker" "rm" "-f" "f21b225dffea75aeb7a516a7089c76ec41ab124839ee0543de8cd7b437f0c922"`
[INFO] [stdout] f21b225dffea75aeb7a516a7089c76ec41ab124839ee0543de8cd7b437f0c922
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/buntine/pfnp-course:/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] 83329482e9e47250a264876e18a9c07f016481c17887fe9201860af411846988
[INFO] running `"docker" "start" "-a" "83329482e9e47250a264876e18a9c07f016481c17887fe9201860af411846988"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pfnp_course-1eaa3ca6b2270473
[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" "83329482e9e47250a264876e18a9c07f016481c17887fe9201860af411846988"`
[INFO] running `"docker" "rm" "-f" "83329482e9e47250a264876e18a9c07f016481c17887fe9201860af411846988"`
[INFO] [stdout] 83329482e9e47250a264876e18a9c07f016481c17887fe9201860af411846988