Dec 17 17:32:12.551 INFO checking puma3/distributed_recommender against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:32:12.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:32:12.710 INFO [stdout] 29b5174e7994912114980eb3d9015a68d1b4da3353bd85c2db06a9182d754128
Dec 17 17:32:12.714 INFO running `"docker" "start" "-a" "29b5174e7994912114980eb3d9015a68d1b4da3353bd85c2db06a9182d754128"`
Dec 17 17:32:14.014 INFO [stderr]     Checking memchr v1.0.2
Dec 17 17:32:14.014 INFO [stderr]     Checking getopts v0.2.15
Dec 17 17:32:14.014 INFO [stderr]     Checking serde v1.0.21
Dec 17 17:32:14.015 INFO [stderr]     Checking abomonation v0.4.6
Dec 17 17:32:14.015 INFO [stderr]     Checking timely_sort v0.1.6
Dec 17 17:32:14.015 INFO [stderr]     Checking utilities v0.1.0 (/opt/crater/workdir/libs/utilities)
Dec 17 17:32:14.020 INFO [stderr]     Checking distance v0.1.0 (/opt/crater/workdir/libs/distance)
Dec 17 17:32:14.021 INFO [stderr]     Checking time v0.1.38
Dec 17 17:32:14.888 INFO [stderr]    Compiling serde_derive_internals v0.17.0
Dec 17 17:32:15.004 INFO [stderr]     Checking csv-core v0.1.3
Dec 17 17:32:19.308 INFO [stderr]     Checking timely_communication v0.1.8
Dec 17 17:32:21.828 INFO [stderr]    Compiling serde_derive v1.0.21
Dec 17 17:32:21.988 INFO [stderr]     Checking timely v0.3.0
Dec 17 17:32:33.072 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 17 17:32:33.973 INFO [stderr]     Checking database v0.1.0 (/opt/crater/workdir/libs/database)
Dec 17 17:32:34.073 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 17:32:34.073 INFO [stderr]  --> libs/database/src/lib.rs:4:1
Dec 17 17:32:34.073 INFO [stderr]   |
Dec 17 17:32:34.073 INFO [stderr] 4 | #[macro_use]
Dec 17 17:32:34.073 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 17:32:34.073 INFO [stderr]   |
Dec 17 17:32:34.073 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:32:34.073 INFO [stderr] 
Dec 17 17:32:34.169 INFO [stderr] warning: method is never used: `item_based_recommendation`
Dec 17 17:32:34.169 INFO [stderr]    --> libs/database/src/lib.rs:234:5
Dec 17 17:32:34.169 INFO [stderr]     |
Dec 17 17:32:34.169 INFO [stderr] 234 |     fn item_based_recommendation(&self, movie_id: i32) -> Vec<(i32, f32)> {
Dec 17 17:32:34.169 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:32:34.169 INFO [stderr]     |
Dec 17 17:32:34.169 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 17:32:34.169 INFO [stderr] 
Dec 17 17:32:34.169 INFO [stderr] warning: method is never used: `highest_rated_movie`
Dec 17 17:32:34.170 INFO [stderr]    --> libs/database/src/lib.rs:250:5
Dec 17 17:32:34.170 INFO [stderr]     |
Dec 17 17:32:34.170 INFO [stderr] 250 |     fn highest_rated_movie(&self, user_id: i32) -> i32 {
Dec 17 17:32:34.170 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:32:34.170 INFO [stderr] 
Dec 17 17:32:34.187 INFO [stderr]     Checking distributed_recommender v0.1.0 (/opt/crater/workdir)
Dec 17 17:32:35.066 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 17 17:32:35.067 INFO [stderr]   --> src/main.rs:14:5
Dec 17 17:32:35.067 INFO [stderr]    |
Dec 17 17:32:35.067 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 17 17:32:35.067 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:32:35.067 INFO [stderr]    |
Dec 17 17:32:35.067 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 17:32:35.067 INFO [stderr] 
Dec 17 17:32:35.072 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 17 17:32:35.073 INFO [stderr]   --> src/main.rs:14:5
Dec 17 17:32:35.073 INFO [stderr]    |
Dec 17 17:32:35.073 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 17 17:32:35.073 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:32:35.073 INFO [stderr]    |
Dec 17 17:32:35.073 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 17:32:35.073 INFO [stderr] 
Dec 17 17:32:35.156 INFO [stderr] warning: unused variable: `capability`
Dec 17 17:32:35.156 INFO [stderr]   --> src/main.rs:58:59
Dec 17 17:32:35.156 INFO [stderr]    |
Dec 17 17:32:35.156 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 17 17:32:35.156 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 17 17:32:35.156 INFO [stderr]    |
Dec 17 17:32:35.156 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:32:35.156 INFO [stderr] 
Dec 17 17:32:35.156 INFO [stderr] warning: unused variable: `capability`
Dec 17 17:32:35.156 INFO [stderr]   --> src/main.rs:78:60
Dec 17 17:32:35.164 INFO [stderr]    |
Dec 17 17:32:35.164 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 17 17:32:35.164 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 17 17:32:35.164 INFO [stderr] 
Dec 17 17:32:35.172 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:32:35.172 INFO [stderr]   --> src/main.rs:42:13
Dec 17 17:32:35.172 INFO [stderr]    |
Dec 17 17:32:35.172 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 17 17:32:35.172 INFO [stderr]    |             ----^^^^^
Dec 17 17:32:35.172 INFO [stderr]    |             |
Dec 17 17:32:35.172 INFO [stderr]    |             help: remove this `mut`
Dec 17 17:32:35.172 INFO [stderr]    |
Dec 17 17:32:35.172 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 17:32:35.172 INFO [stderr] 
Dec 17 17:32:35.176 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:32:35.176 INFO [stderr]   --> src/main.rs:42:13
Dec 17 17:32:35.176 INFO [stderr]    |
Dec 17 17:32:35.176 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 17 17:32:35.176 INFO [stderr]    |             ----^^^^^
Dec 17 17:32:35.176 INFO [stderr]    |             |
Dec 17 17:32:35.176 INFO [stderr]    |             help: remove this `mut`
Dec 17 17:32:35.176 INFO [stderr] 
Dec 17 17:32:35.197 INFO [stderr] warning: unused variable: `capability`
Dec 17 17:32:35.197 INFO [stderr]   --> src/main.rs:58:59
Dec 17 17:32:35.197 INFO [stderr]    |
Dec 17 17:32:35.197 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 17 17:32:35.197 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 17 17:32:35.197 INFO [stderr]    |
Dec 17 17:32:35.198 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:32:35.198 INFO [stderr] 
Dec 17 17:32:35.198 INFO [stderr] warning: unused variable: `capability`
Dec 17 17:32:35.198 INFO [stderr]   --> src/main.rs:78:60
Dec 17 17:32:35.198 INFO [stderr]    |
Dec 17 17:32:35.198 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 17 17:32:35.198 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 17 17:32:35.198 INFO [stderr] 
Dec 17 17:32:35.238 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:32:35.238 INFO [stderr]   --> src/main.rs:42:13
Dec 17 17:32:35.238 INFO [stderr]    |
Dec 17 17:32:35.238 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 17 17:32:35.238 INFO [stderr]    |             ----^^^^^
Dec 17 17:32:35.238 INFO [stderr]    |             |
Dec 17 17:32:35.238 INFO [stderr]    |             help: remove this `mut`
Dec 17 17:32:35.238 INFO [stderr]    |
Dec 17 17:32:35.238 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 17:32:35.238 INFO [stderr] 
Dec 17 17:32:35.238 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:32:35.238 INFO [stderr]   --> src/main.rs:42:13
Dec 17 17:32:35.238 INFO [stderr]    |
Dec 17 17:32:35.238 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 17 17:32:35.238 INFO [stderr]    |             ----^^^^^
Dec 17 17:32:35.238 INFO [stderr]    |             |
Dec 17 17:32:35.238 INFO [stderr]    |             help: remove this `mut`
Dec 17 17:32:35.238 INFO [stderr] 
Dec 17 17:32:35.269 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.39s
Dec 17 17:32:35.544 INFO running `"docker" "inspect" "29b5174e7994912114980eb3d9015a68d1b4da3353bd85c2db06a9182d754128"`
Dec 17 17:32:35.701 INFO running `"docker" "rm" "-f" "29b5174e7994912114980eb3d9015a68d1b4da3353bd85c2db06a9182d754128"`
Dec 17 17:32:35.809 INFO [stdout] 29b5174e7994912114980eb3d9015a68d1b4da3353bd85c2db06a9182d754128