Nov 27 22:30:34.080 INFO checking puma3/distributed_recommender against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:30:34.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 22:30:34.581 INFO [stdout] 02ca5d829fe30d3c367ec5962b43ea25915c8ba178b94bbb1110e4186cc1d87a
Nov 27 22:30:34.586 INFO running `"docker" "start" "-a" "02ca5d829fe30d3c367ec5962b43ea25915c8ba178b94bbb1110e4186cc1d87a"`
Nov 27 22:30:36.264 INFO [stderr] usermod: no changes
Nov 27 22:30:36.420 INFO [stderr]     Checking abomonation v0.4.6
Nov 27 22:30:36.428 INFO [stderr]     Checking timely_sort v0.1.6
Nov 27 22:30:36.428 INFO [stderr]     Checking distance v0.1.0 (/source/libs/distance)
Nov 27 22:30:36.428 INFO [stderr]     Checking utilities v0.1.0 (/source/libs/utilities)
Nov 27 22:30:37.288 INFO [stderr]     Checking database v0.1.0 (/source/libs/database)
Nov 27 22:30:37.936 INFO [stderr] warning: unused `#[macro_use]` import
Nov 27 22:30:37.938 INFO [stderr]  --> libs/database/src/lib.rs:4:1
Nov 27 22:30:37.938 INFO [stderr]   |
Nov 27 22:30:37.939 INFO [stderr] 4 | #[macro_use]
Nov 27 22:30:37.940 INFO [stderr]   | ^^^^^^^^^^^^
Nov 27 22:30:37.940 INFO [stderr]   |
Nov 27 22:30:37.940 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 22:30:37.940 INFO [stderr] 
Nov 27 22:30:38.097 INFO [stderr] warning: method is never used: `item_based_recommendation`
Nov 27 22:30:38.097 INFO [stderr]    --> libs/database/src/lib.rs:234:5
Nov 27 22:30:38.097 INFO [stderr]     |
Nov 27 22:30:38.097 INFO [stderr] 234 |     fn item_based_recommendation(&self, movie_id: i32) -> Vec<(i32, f32)> {
Nov 27 22:30:38.097 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:30:38.097 INFO [stderr]     |
Nov 27 22:30:38.099 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 22:30:38.099 INFO [stderr] 
Nov 27 22:30:38.099 INFO [stderr] warning: method is never used: `highest_rated_movie`
Nov 27 22:30:38.099 INFO [stderr]    --> libs/database/src/lib.rs:250:5
Nov 27 22:30:38.099 INFO [stderr]     |
Nov 27 22:30:38.099 INFO [stderr] 250 |     fn highest_rated_movie(&self, user_id: i32) -> i32 {
Nov 27 22:30:38.099 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:30:38.099 INFO [stderr] 
Nov 27 22:30:39.312 INFO [stderr]     Checking timely_communication v0.1.8
Nov 27 22:30:40.095 INFO [stderr]     Checking timely v0.3.0
Nov 27 22:30:43.736 INFO [stderr]     Checking distributed_recommender v0.1.0 (/source)
Nov 27 22:30:44.392 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Nov 27 22:30:44.392 INFO [stderr]   --> src/main.rs:14:5
Nov 27 22:30:44.392 INFO [stderr]    |
Nov 27 22:30:44.392 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Nov 27 22:30:44.392 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:30:44.392 INFO [stderr]    |
Nov 27 22:30:44.392 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 22:30:44.392 INFO [stderr] 
Nov 27 22:30:44.479 INFO [stderr] warning: unused variable: `capability`
Nov 27 22:30:44.479 INFO [stderr]   --> src/main.rs:58:59
Nov 27 22:30:44.479 INFO [stderr]    |
Nov 27 22:30:44.479 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Nov 27 22:30:44.479 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Nov 27 22:30:44.480 INFO [stderr]    |
Nov 27 22:30:44.480 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 22:30:44.480 INFO [stderr] 
Nov 27 22:30:44.480 INFO [stderr] warning: unused variable: `capability`
Nov 27 22:30:44.480 INFO [stderr]   --> src/main.rs:78:60
Nov 27 22:30:44.480 INFO [stderr]    |
Nov 27 22:30:44.480 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Nov 27 22:30:44.480 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Nov 27 22:30:44.480 INFO [stderr] 
Nov 27 22:30:44.499 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:30:44.499 INFO [stderr]   --> src/main.rs:42:13
Nov 27 22:30:44.499 INFO [stderr]    |
Nov 27 22:30:44.500 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Nov 27 22:30:44.500 INFO [stderr]    |             ----^^^^^
Nov 27 22:30:44.500 INFO [stderr]    |             |
Nov 27 22:30:44.500 INFO [stderr]    |             help: remove this `mut`
Nov 27 22:30:44.500 INFO [stderr]    |
Nov 27 22:30:44.500 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:30:44.500 INFO [stderr] 
Nov 27 22:30:44.500 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:30:44.500 INFO [stderr]   --> src/main.rs:42:13
Nov 27 22:30:44.500 INFO [stderr]    |
Nov 27 22:30:44.500 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Nov 27 22:30:44.500 INFO [stderr]    |             ----^^^^^
Nov 27 22:30:44.500 INFO [stderr]    |             |
Nov 27 22:30:44.500 INFO [stderr]    |             help: remove this `mut`
Nov 27 22:30:44.500 INFO [stderr] 
Nov 27 22:30:44.788 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Nov 27 22:30:44.788 INFO [stderr]   --> src/main.rs:14:5
Nov 27 22:30:44.788 INFO [stderr]    |
Nov 27 22:30:44.788 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Nov 27 22:30:44.788 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:30:44.788 INFO [stderr]    |
Nov 27 22:30:44.788 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 22:30:44.788 INFO [stderr] 
Nov 27 22:30:44.903 INFO [stderr] warning: unused variable: `capability`
Nov 27 22:30:44.903 INFO [stderr]   --> src/main.rs:58:59
Nov 27 22:30:44.903 INFO [stderr]    |
Nov 27 22:30:44.903 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Nov 27 22:30:44.903 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Nov 27 22:30:44.903 INFO [stderr]    |
Nov 27 22:30:44.903 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 22:30:44.908 INFO [stderr] 
Nov 27 22:30:44.908 INFO [stderr] warning: unused variable: `capability`
Nov 27 22:30:44.908 INFO [stderr]   --> src/main.rs:78:60
Nov 27 22:30:44.908 INFO [stderr]    |
Nov 27 22:30:44.908 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Nov 27 22:30:44.908 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Nov 27 22:30:44.908 INFO [stderr] 
Nov 27 22:30:44.928 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:30:44.928 INFO [stderr]   --> src/main.rs:42:13
Nov 27 22:30:44.928 INFO [stderr]    |
Nov 27 22:30:44.928 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Nov 27 22:30:44.928 INFO [stderr]    |             ----^^^^^
Nov 27 22:30:44.928 INFO [stderr]    |             |
Nov 27 22:30:44.928 INFO [stderr]    |             help: remove this `mut`
Nov 27 22:30:44.928 INFO [stderr]    |
Nov 27 22:30:44.928 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:30:44.928 INFO [stderr] 
Nov 27 22:30:44.928 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:30:44.928 INFO [stderr]   --> src/main.rs:42:13
Nov 27 22:30:44.928 INFO [stderr]    |
Nov 27 22:30:44.928 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Nov 27 22:30:44.928 INFO [stderr]    |             ----^^^^^
Nov 27 22:30:44.928 INFO [stderr]    |             |
Nov 27 22:30:44.928 INFO [stderr]    |             help: remove this `mut`
Nov 27 22:30:44.928 INFO [stderr] 
Nov 27 22:30:44.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.66s
Nov 27 22:30:44.957 INFO [stderr] su: No module specific data is present
Nov 27 22:30:45.837 INFO running `"docker" "inspect" "02ca5d829fe30d3c367ec5962b43ea25915c8ba178b94bbb1110e4186cc1d87a"`
Nov 27 22:30:46.049 INFO running `"docker" "rm" "-f" "02ca5d829fe30d3c367ec5962b43ea25915c8ba178b94bbb1110e4186cc1d87a"`
Nov 27 22:30:46.312 INFO [stdout] 02ca5d829fe30d3c367ec5962b43ea25915c8ba178b94bbb1110e4186cc1d87a