[INFO] updating cached repository https://github.com/ahu2012/making_recommendations
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b676aae1e4664efbf65bb0680de0d0ab6044ad2b
[INFO] testing ahu2012/making_recommendations against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahu2012%2Fmaking_recommendations" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahu2012/making_recommendations on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ahu2012/making_recommendations
[INFO] finished tweaking git repo https://github.com/ahu2012/making_recommendations
[INFO] tweaked toml for git repo https://github.com/ahu2012/making_recommendations written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ahu2012/making_recommendations already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] b554c6c8bcb1e9ac1c817ac0e098e80cae2ccd60c999a684bb134edd3cd0a474
[INFO] running `"docker" "start" "-a" "b554c6c8bcb1e9ac1c817ac0e098e80cae2ccd60c999a684bb134edd3cd0a474"`
[INFO] [stderr]    Compiling making_recommendations v0.1.0 (/opt/rustwide/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 1.59s
[INFO] running `"docker" "inspect" "b554c6c8bcb1e9ac1c817ac0e098e80cae2ccd60c999a684bb134edd3cd0a474"`
[INFO] running `"docker" "rm" "-f" "b554c6c8bcb1e9ac1c817ac0e098e80cae2ccd60c999a684bb134edd3cd0a474"`
[INFO] [stdout] b554c6c8bcb1e9ac1c817ac0e098e80cae2ccd60c999a684bb134edd3cd0a474
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 03bbda1618b885299ca718f025dc13b0fbeece7ecaf892fcd7b913f9a9e1f0c8
[INFO] running `"docker" "start" "-a" "03bbda1618b885299ca718f025dc13b0fbeece7ecaf892fcd7b913f9a9e1f0c8"`
[INFO] [stderr]    Compiling making_recommendations v0.1.0 (/opt/rustwide/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 0.60s
[INFO] running `"docker" "inspect" "03bbda1618b885299ca718f025dc13b0fbeece7ecaf892fcd7b913f9a9e1f0c8"`
[INFO] running `"docker" "rm" "-f" "03bbda1618b885299ca718f025dc13b0fbeece7ecaf892fcd7b913f9a9e1f0c8"`
[INFO] [stdout] 03bbda1618b885299ca718f025dc13b0fbeece7ecaf892fcd7b913f9a9e1f0c8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e4dd51f734389c98b1476e6466e0a48fd1cdcb3d349c77836eee865062f44954
[INFO] running `"docker" "start" "-a" "e4dd51f734389c98b1476e6466e0a48fd1cdcb3d349c77836eee865062f44954"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/making_recommendations-0399fb1f0e250b7e
[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" "e4dd51f734389c98b1476e6466e0a48fd1cdcb3d349c77836eee865062f44954"`
[INFO] running `"docker" "rm" "-f" "e4dd51f734389c98b1476e6466e0a48fd1cdcb3d349c77836eee865062f44954"`
[INFO] [stdout] e4dd51f734389c98b1476e6466e0a48fd1cdcb3d349c77836eee865062f44954