Dec 19 10:40:03.881 INFO checking puma3/distributed_recommender against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:40:03.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/puma3/distributed_recommender:/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=forbid" "-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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:40:04.135 INFO [stdout] 35cdb145076a51cffe0b241ab138fb90216faef08b814b9703d2246e8e11a715
Dec 19 10:40:04.142 INFO running `"docker" "start" "-a" "35cdb145076a51cffe0b241ab138fb90216faef08b814b9703d2246e8e11a715"`
Dec 19 10:40:04.962 INFO [stderr]     Checking memchr v1.0.2
Dec 19 10:40:04.962 INFO [stderr]     Checking abomonation v0.4.6
Dec 19 10:40:04.962 INFO [stderr]     Checking getopts v0.2.15
Dec 19 10:40:04.962 INFO [stderr]     Checking distance v0.1.0 (/opt/crater/workdir/libs/distance)
Dec 19 10:40:04.962 INFO [stderr]     Checking utilities v0.1.0 (/opt/crater/workdir/libs/utilities)
Dec 19 10:40:05.401 INFO [stderr]     Checking csv-core v0.1.3
Dec 19 10:40:06.485 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 19 10:40:07.888 INFO [stderr]     Checking timely_communication v0.1.8
Dec 19 10:40:07.947 INFO [stderr]     Checking database v0.1.0 (/opt/crater/workdir/libs/database)
Dec 19 10:40:08.157 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 10:40:08.157 INFO [stderr]  --> libs/database/src/lib.rs:4:1
Dec 19 10:40:08.157 INFO [stderr]   |
Dec 19 10:40:08.157 INFO [stderr] 4 | #[macro_use]
Dec 19 10:40:08.157 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:40:08.157 INFO [stderr]   |
Dec 19 10:40:08.157 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:40:08.157 INFO [stderr] 
Dec 19 10:40:08.300 INFO [stderr] warning: method is never used: `item_based_recommendation`
Dec 19 10:40:08.300 INFO [stderr]    --> libs/database/src/lib.rs:234:5
Dec 19 10:40:08.300 INFO [stderr]     |
Dec 19 10:40:08.300 INFO [stderr] 234 |     fn item_based_recommendation(&self, movie_id: i32) -> Vec<(i32, f32)> {
Dec 19 10:40:08.300 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:08.300 INFO [stderr]     |
Dec 19 10:40:08.300 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 10:40:08.300 INFO [stderr] 
Dec 19 10:40:08.300 INFO [stderr] warning: method is never used: `highest_rated_movie`
Dec 19 10:40:08.300 INFO [stderr]    --> libs/database/src/lib.rs:250:5
Dec 19 10:40:08.300 INFO [stderr]     |
Dec 19 10:40:08.300 INFO [stderr] 250 |     fn highest_rated_movie(&self, user_id: i32) -> i32 {
Dec 19 10:40:08.300 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:08.300 INFO [stderr] 
Dec 19 10:40:08.656 INFO [stderr]     Checking timely v0.3.0
Dec 19 10:40:12.312 INFO [stderr]     Checking distributed_recommender v0.1.0 (/opt/crater/workdir)
Dec 19 10:40:12.743 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 19 10:40:12.743 INFO [stderr]   --> src/main.rs:14:5
Dec 19 10:40:12.743 INFO [stderr]    |
Dec 19 10:40:12.743 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 19 10:40:12.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:12.743 INFO [stderr]    |
Dec 19 10:40:12.743 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 10:40:12.743 INFO [stderr] 
Dec 19 10:40:12.826 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:12.827 INFO [stderr]   --> src/main.rs:58:59
Dec 19 10:40:12.827 INFO [stderr]    |
Dec 19 10:40:12.827 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 19 10:40:12.827 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:12.827 INFO [stderr]    |
Dec 19 10:40:12.827 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:40:12.827 INFO [stderr] 
Dec 19 10:40:12.827 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:12.827 INFO [stderr]   --> src/main.rs:78:60
Dec 19 10:40:12.827 INFO [stderr]    |
Dec 19 10:40:12.827 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 19 10:40:12.827 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:12.827 INFO [stderr] 
Dec 19 10:40:12.844 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:12.845 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:12.845 INFO [stderr]    |
Dec 19 10:40:12.845 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:12.845 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:12.846 INFO [stderr]    |             |
Dec 19 10:40:12.846 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:12.846 INFO [stderr]    |
Dec 19 10:40:12.846 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:40:12.846 INFO [stderr] 
Dec 19 10:40:12.847 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:12.847 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:12.847 INFO [stderr]    |
Dec 19 10:40:12.847 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:12.848 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:12.848 INFO [stderr]    |             |
Dec 19 10:40:12.848 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:12.850 INFO [stderr] 
Dec 19 10:40:12.900 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 19 10:40:12.901 INFO [stderr]   --> src/main.rs:14:5
Dec 19 10:40:12.901 INFO [stderr]    |
Dec 19 10:40:12.901 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 19 10:40:12.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:12.901 INFO [stderr]    |
Dec 19 10:40:12.901 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 10:40:12.901 INFO [stderr] 
Dec 19 10:40:13.011 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:13.011 INFO [stderr]   --> src/main.rs:58:59
Dec 19 10:40:13.012 INFO [stderr]    |
Dec 19 10:40:13.012 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 19 10:40:13.012 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:13.012 INFO [stderr]    |
Dec 19 10:40:13.012 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:40:13.012 INFO [stderr] 
Dec 19 10:40:13.012 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:13.012 INFO [stderr]   --> src/main.rs:78:60
Dec 19 10:40:13.012 INFO [stderr]    |
Dec 19 10:40:13.012 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 19 10:40:13.012 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:13.012 INFO [stderr] 
Dec 19 10:40:13.032 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:13.032 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:13.032 INFO [stderr]    |
Dec 19 10:40:13.033 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:13.033 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:13.033 INFO [stderr]    |             |
Dec 19 10:40:13.033 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:13.033 INFO [stderr]    |
Dec 19 10:40:13.033 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:40:13.033 INFO [stderr] 
Dec 19 10:40:13.033 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:13.033 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:13.033 INFO [stderr]    |
Dec 19 10:40:13.033 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:13.033 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:13.033 INFO [stderr]    |             |
Dec 19 10:40:13.033 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:13.033 INFO [stderr] 
Dec 19 10:40:13.061 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
Dec 19 10:40:14.179 INFO running `"docker" "inspect" "35cdb145076a51cffe0b241ab138fb90216faef08b814b9703d2246e8e11a715"`
Dec 19 10:40:14.470 INFO running `"docker" "rm" "-f" "35cdb145076a51cffe0b241ab138fb90216faef08b814b9703d2246e8e11a715"`
Dec 19 10:40:14.800 INFO [stdout] 35cdb145076a51cffe0b241ab138fb90216faef08b814b9703d2246e8e11a715