[INFO] updating cached repository ahu2012/making_recommendations
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahu2012/making_recommendations
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahu2012/making_recommendations" "work/ex/beta-1.37-6/sources/1.36.0/gh/ahu2012/making_recommendations"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ahu2012/making_recommendations'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahu2012/making_recommendations" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahu2012/making_recommendations"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahu2012/making_recommendations'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b676aae1e4664efbf65bb0680de0d0ab6044ad2b
[INFO] sha for GitHub repo ahu2012/making_recommendations: b676aae1e4664efbf65bb0680de0d0ab6044ad2b
[INFO] validating manifest of ahu2012/making_recommendations 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 ahu2012/making_recommendations 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 ahu2012/making_recommendations
[INFO] finished frobbing ahu2012/making_recommendations
[INFO] frobbed toml for ahu2012/making_recommendations written to work/ex/beta-1.37-6/sources/1.36.0/gh/ahu2012/making_recommendations/Cargo.toml
[INFO] started frobbing ahu2012/making_recommendations
[INFO] finished frobbing ahu2012/making_recommendations
[INFO] frobbed toml for ahu2012/making_recommendations written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahu2012/making_recommendations/Cargo.toml
[INFO] crate ahu2012/making_recommendations 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 ahu2012/making_recommendations 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-5/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/ahu2012/making_recommendations:/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] 765c6122c1df636bda825afbdd01fb0e8d26975746d987e5a6f9ed84742b5f02
[INFO] running `"docker" "start" "-a" "765c6122c1df636bda825afbdd01fb0e8d26975746d987e5a6f9ed84742b5f02"`
[INFO] [stderr]    Compiling making_recommendations v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:135:34
[INFO] [stderr]     |
[INFO] [stderr] 135 |                  similarity_func: &Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr]     |  __________________________________^
[INFO] [stderr] 136 | |                                     &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     | |______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 135 |                similarity_func: &dyn Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr] 136 |                                     &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:154:42
[INFO] [stderr]     |
[INFO] [stderr] 154 |                          similarity_func: &Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr]     |  __________________________________________^
[INFO] [stderr] 155 | |                                             &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 154 |                        similarity_func: &dyn Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr] 155 |                                             &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "765c6122c1df636bda825afbdd01fb0e8d26975746d987e5a6f9ed84742b5f02"`
[INFO] running `"docker" "rm" "-f" "765c6122c1df636bda825afbdd01fb0e8d26975746d987e5a6f9ed84742b5f02"`
[INFO] [stdout] 765c6122c1df636bda825afbdd01fb0e8d26975746d987e5a6f9ed84742b5f02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/ahu2012/making_recommendations:/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] d3519fb2e9d5cffe8a72f1f4a3f659281cf7ed50cf53dc6643c791e961f30963
[INFO] running `"docker" "start" "-a" "d3519fb2e9d5cffe8a72f1f4a3f659281cf7ed50cf53dc6643c791e961f30963"`
[INFO] [stderr]    Compiling making_recommendations v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:135:34
[INFO] [stderr]     |
[INFO] [stderr] 135 |                  similarity_func: &Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr]     |  __________________________________^
[INFO] [stderr] 136 | |                                     &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     | |______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 135 |                similarity_func: &dyn Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr] 136 |                                     &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:154:42
[INFO] [stderr]     |
[INFO] [stderr] 154 |                          similarity_func: &Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr]     |  __________________________________________^
[INFO] [stderr] 155 | |                                             &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 154 |                        similarity_func: &dyn Fn(&HashMap<&'static str, HashMap<&'static str, f64>>,
[INFO] [stderr] 155 |                                             &str, &str) -> f64) -> Vec<(&'static str, f64)>
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "d3519fb2e9d5cffe8a72f1f4a3f659281cf7ed50cf53dc6643c791e961f30963"`
[INFO] running `"docker" "rm" "-f" "d3519fb2e9d5cffe8a72f1f4a3f659281cf7ed50cf53dc6643c791e961f30963"`
[INFO] [stdout] d3519fb2e9d5cffe8a72f1f4a3f659281cf7ed50cf53dc6643c791e961f30963
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/ahu2012/making_recommendations:/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] fa623355977020b91fb377df4a2dca66e3eac980a614b00208ad1772a9f2c20f
[INFO] running `"docker" "start" "-a" "fa623355977020b91fb377df4a2dca66e3eac980a614b00208ad1772a9f2c20f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/making_recommendations-2dc265c01c352ce8
[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" "fa623355977020b91fb377df4a2dca66e3eac980a614b00208ad1772a9f2c20f"`
[INFO] running `"docker" "rm" "-f" "fa623355977020b91fb377df4a2dca66e3eac980a614b00208ad1772a9f2c20f"`
[INFO] [stdout] fa623355977020b91fb377df4a2dca66e3eac980a614b00208ad1772a9f2c20f