Dec 19 10:40:04.027 INFO checking puma3/distributed_recommender against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:40:04.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:40:04.327 INFO [stdout] 6bed799a3c549d2b737c98c3a4fe74e0f2e19cf74db501e3a81b6240750231f5
Dec 19 10:40:04.338 INFO running `"docker" "start" "-a" "6bed799a3c549d2b737c98c3a4fe74e0f2e19cf74db501e3a81b6240750231f5"`
Dec 19 10:40:05.140 INFO [stderr]     Checking abomonation v0.4.6
Dec 19 10:40:05.140 INFO [stderr]     Checking utilities v0.1.0 (/opt/crater/workdir/libs/utilities)
Dec 19 10:40:05.140 INFO [stderr]     Checking distance v0.1.0 (/opt/crater/workdir/libs/distance)
Dec 19 10:40:05.140 INFO [stderr]     Checking timely_sort v0.1.6
Dec 19 10:40:05.186 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 19 10:40:07.770 INFO [stderr]     Checking database v0.1.0 (/opt/crater/workdir/libs/database)
Dec 19 10:40:08.016 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 10:40:08.016 INFO [stderr]  --> libs/database/src/lib.rs:4:1
Dec 19 10:40:08.016 INFO [stderr]   |
Dec 19 10:40:08.016 INFO [stderr] 4 | #[macro_use]
Dec 19 10:40:08.016 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:40:08.016 INFO [stderr]   |
Dec 19 10:40:08.016 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:40:08.016 INFO [stderr] 
Dec 19 10:40:08.392 INFO [stderr] warning: method is never used: `item_based_recommendation`
Dec 19 10:40:08.392 INFO [stderr]    --> libs/database/src/lib.rs:234:5
Dec 19 10:40:08.392 INFO [stderr]     |
Dec 19 10:40:08.392 INFO [stderr] 234 |     fn item_based_recommendation(&self, movie_id: i32) -> Vec<(i32, f32)> {
Dec 19 10:40:08.392 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:08.392 INFO [stderr]     |
Dec 19 10:40:08.392 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 10:40:08.392 INFO [stderr] 
Dec 19 10:40:08.392 INFO [stderr] warning: method is never used: `highest_rated_movie`
Dec 19 10:40:08.392 INFO [stderr]    --> libs/database/src/lib.rs:250:5
Dec 19 10:40:08.392 INFO [stderr]     |
Dec 19 10:40:08.392 INFO [stderr] 250 |     fn highest_rated_movie(&self, user_id: i32) -> i32 {
Dec 19 10:40:08.392 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:08.392 INFO [stderr] 
Dec 19 10:40:09.017 INFO [stderr]     Checking timely_communication v0.1.8
Dec 19 10:40:09.767 INFO [stderr]     Checking timely v0.3.0
Dec 19 10:40:13.054 INFO [stderr]     Checking distributed_recommender v0.1.0 (/opt/crater/workdir)
Dec 19 10:40:13.616 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 19 10:40:13.616 INFO [stderr]   --> src/main.rs:14:5
Dec 19 10:40:13.616 INFO [stderr]    |
Dec 19 10:40:13.616 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 19 10:40:13.616 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:13.632 INFO [stderr]    |
Dec 19 10:40:13.632 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 10:40:13.632 INFO [stderr] 
Dec 19 10:40:13.748 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 19 10:40:13.748 INFO [stderr]   --> src/main.rs:14:5
Dec 19 10:40:13.748 INFO [stderr]    |
Dec 19 10:40:13.748 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 19 10:40:13.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:40:13.760 INFO [stderr]    |
Dec 19 10:40:13.760 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 10:40:13.760 INFO [stderr] 
Dec 19 10:40:13.768 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:13.768 INFO [stderr]   --> src/main.rs:58:59
Dec 19 10:40:13.768 INFO [stderr]    |
Dec 19 10:40:13.768 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 19 10:40:13.768 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:13.768 INFO [stderr]    |
Dec 19 10:40:13.768 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:40:13.768 INFO [stderr] 
Dec 19 10:40:13.768 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:13.768 INFO [stderr]   --> src/main.rs:78:60
Dec 19 10:40:13.768 INFO [stderr]    |
Dec 19 10:40:13.768 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 19 10:40:13.768 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:13.768 INFO [stderr] 
Dec 19 10:40:13.796 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:13.796 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:13.796 INFO [stderr]    |
Dec 19 10:40:13.804 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:13.804 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:13.804 INFO [stderr]    |             |
Dec 19 10:40:13.804 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:13.804 INFO [stderr]    |
Dec 19 10:40:13.804 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:40:13.804 INFO [stderr] 
Dec 19 10:40:13.804 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:13.804 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:13.804 INFO [stderr]    |
Dec 19 10:40:13.804 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:13.804 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:13.804 INFO [stderr]    |             |
Dec 19 10:40:13.804 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:13.804 INFO [stderr] 
Dec 19 10:40:13.875 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:13.875 INFO [stderr]   --> src/main.rs:58:59
Dec 19 10:40:13.875 INFO [stderr]    |
Dec 19 10:40:13.875 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 19 10:40:13.875 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:13.875 INFO [stderr]    |
Dec 19 10:40:13.875 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:40:13.875 INFO [stderr] 
Dec 19 10:40:13.875 INFO [stderr] warning: unused variable: `capability`
Dec 19 10:40:13.875 INFO [stderr]   --> src/main.rs:78:60
Dec 19 10:40:13.875 INFO [stderr]    |
Dec 19 10:40:13.875 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 19 10:40:13.875 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 19 10:40:13.875 INFO [stderr] 
Dec 19 10:40:13.896 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:13.896 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:13.896 INFO [stderr]    |
Dec 19 10:40:13.896 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:13.896 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:13.896 INFO [stderr]    |             |
Dec 19 10:40:13.896 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:13.896 INFO [stderr]    |
Dec 19 10:40:13.896 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:40:13.896 INFO [stderr] 
Dec 19 10:40:13.896 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:40:13.896 INFO [stderr]   --> src/main.rs:42:13
Dec 19 10:40:13.896 INFO [stderr]    |
Dec 19 10:40:13.896 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 19 10:40:13.896 INFO [stderr]    |             ----^^^^^
Dec 19 10:40:13.896 INFO [stderr]    |             |
Dec 19 10:40:13.896 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:40:13.896 INFO [stderr] 
Dec 19 10:40:13.913 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.86s
Dec 19 10:40:14.560 INFO running `"docker" "inspect" "6bed799a3c549d2b737c98c3a4fe74e0f2e19cf74db501e3a81b6240750231f5"`
Dec 19 10:40:14.839 INFO running `"docker" "rm" "-f" "6bed799a3c549d2b737c98c3a4fe74e0f2e19cf74db501e3a81b6240750231f5"`
Dec 19 10:40:15.112 INFO [stdout] 6bed799a3c549d2b737c98c3a4fe74e0f2e19cf74db501e3a81b6240750231f5