Nov 02 08:25:43.354 INFO checking puma3/distributed_recommender against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 08:25:43.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 08:25:43.818 INFO blam! fea5af81fc88825a55db3c714671418934edf53d94b558a0a962fc9c66ff19f7
Nov 02 08:25:43.819 INFO running `"docker" "start" "-a" "fea5af81fc88825a55db3c714671418934edf53d94b558a0a962fc9c66ff19f7"`
Nov 02 08:25:45.190 INFO kablam! usermod: no changes
Nov 02 08:25:45.282 INFO kablam!     Checking memchr v1.0.2
Nov 02 08:25:45.282 INFO kablam!     Checking abomonation v0.4.6
Nov 02 08:25:45.282 INFO kablam!     Checking utilities v0.1.0 (/source/libs/utilities)
Nov 02 08:25:45.282 INFO kablam!     Checking timely_sort v0.1.6
Nov 02 08:25:45.292 INFO kablam!     Checking distance v0.1.0 (/source/libs/distance)
Nov 02 08:25:46.089 INFO kablam!     Checking csv-core v0.1.3
Nov 02 08:25:46.920 INFO kablam!     Checking csv v1.0.0-beta.5
Nov 02 08:25:48.744 INFO kablam!     Checking timely_communication v0.1.8
Nov 02 08:25:48.772 INFO kablam!     Checking database v0.1.0 (/source/libs/database)
Nov 02 08:25:49.296 INFO kablam! warning: unused `#[macro_use]` import
Nov 02 08:25:49.296 INFO kablam!  --> libs/database/src/lib.rs:4:1
Nov 02 08:25:49.296 INFO kablam!   |
Nov 02 08:25:49.296 INFO kablam! 4 | #[macro_use]
Nov 02 08:25:49.296 INFO kablam!   | ^^^^^^^^^^^^
Nov 02 08:25:49.296 INFO kablam!   |
Nov 02 08:25:49.296 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 08:25:49.296 INFO kablam! 
Nov 02 08:25:49.533 INFO kablam! warning: method is never used: `item_based_recommendation`
Nov 02 08:25:49.533 INFO kablam!    --> libs/database/src/lib.rs:234:5
Nov 02 08:25:49.533 INFO kablam!     |
Nov 02 08:25:49.534 INFO kablam! 234 |     fn item_based_recommendation(&self, movie_id: i32) -> Vec<(i32, f32)> {
Nov 02 08:25:49.534 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:25:49.534 INFO kablam!     |
Nov 02 08:25:49.535 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 02 08:25:49.535 INFO kablam! 
Nov 02 08:25:49.535 INFO kablam! warning: method is never used: `highest_rated_movie`
Nov 02 08:25:49.535 INFO kablam!    --> libs/database/src/lib.rs:250:5
Nov 02 08:25:49.536 INFO kablam!     |
Nov 02 08:25:49.536 INFO kablam! 250 |     fn highest_rated_movie(&self, user_id: i32) -> i32 {
Nov 02 08:25:49.536 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:25:49.537 INFO kablam! 
Nov 02 08:25:49.605 INFO kablam!     Checking timely v0.3.0
Nov 02 08:25:53.365 INFO kablam!     Checking distributed_recommender v0.1.0 (/source)
Nov 02 08:25:54.188 INFO kablam! warning: unused import: `timely::dataflow::channels::message::Content`
Nov 02 08:25:54.188 INFO kablam!   --> src/main.rs:14:5
Nov 02 08:25:54.188 INFO kablam!    |
Nov 02 08:25:54.188 INFO kablam! 14 | use timely::dataflow::channels::message::Content;
Nov 02 08:25:54.188 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:25:54.188 INFO kablam!    |
Nov 02 08:25:54.188 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 08:25:54.188 INFO kablam! 
Nov 02 08:25:54.188 INFO kablam! warning: unused import: `timely::dataflow::channels::message::Content`
Nov 02 08:25:54.188 INFO kablam!   --> src/main.rs:14:5
Nov 02 08:25:54.188 INFO kablam!    |
Nov 02 08:25:54.188 INFO kablam! 14 | use timely::dataflow::channels::message::Content;
Nov 02 08:25:54.188 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:25:54.188 INFO kablam!    |
Nov 02 08:25:54.188 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 08:25:54.188 INFO kablam! 
Nov 02 08:25:54.364 INFO kablam! warning: unused variable: `capability`
Nov 02 08:25:54.364 INFO kablam!   --> src/main.rs:58:59
Nov 02 08:25:54.364 INFO kablam!    |
Nov 02 08:25:54.364 INFO kablam! 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Nov 02 08:25:54.364 INFO kablam!    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Nov 02 08:25:54.364 INFO kablam!    |
Nov 02 08:25:54.364 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 08:25:54.364 INFO kablam! 
Nov 02 08:25:54.364 INFO kablam! warning: unused variable: `capability`
Nov 02 08:25:54.364 INFO kablam!   --> src/main.rs:78:60
Nov 02 08:25:54.364 INFO kablam!    |
Nov 02 08:25:54.364 INFO kablam! 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Nov 02 08:25:54.364 INFO kablam!    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Nov 02 08:25:54.364 INFO kablam! 
Nov 02 08:25:54.364 INFO kablam! warning: unused variable: `capability`
Nov 02 08:25:54.364 INFO kablam!   --> src/main.rs:58:59
Nov 02 08:25:54.364 INFO kablam!    |
Nov 02 08:25:54.364 INFO kablam! 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Nov 02 08:25:54.364 INFO kablam!    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Nov 02 08:25:54.364 INFO kablam!    |
Nov 02 08:25:54.364 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 08:25:54.364 INFO kablam! 
Nov 02 08:25:54.364 INFO kablam! warning: unused variable: `capability`
Nov 02 08:25:54.364 INFO kablam!   --> src/main.rs:78:60
Nov 02 08:25:54.364 INFO kablam!    |
Nov 02 08:25:54.364 INFO kablam! 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Nov 02 08:25:54.364 INFO kablam!    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Nov 02 08:25:54.364 INFO kablam! 
Nov 02 08:25:54.404 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:25:54.404 INFO kablam!   --> src/main.rs:42:13
Nov 02 08:25:54.404 INFO kablam!    |
Nov 02 08:25:54.404 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Nov 02 08:25:54.404 INFO kablam!    |             ----^^^^^
Nov 02 08:25:54.404 INFO kablam!    |             |
Nov 02 08:25:54.404 INFO kablam!    |             help: remove this `mut`
Nov 02 08:25:54.404 INFO kablam!    |
Nov 02 08:25:54.404 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 08:25:54.404 INFO kablam! 
Nov 02 08:25:54.404 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:25:54.404 INFO kablam!   --> src/main.rs:42:13
Nov 02 08:25:54.404 INFO kablam!    |
Nov 02 08:25:54.404 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Nov 02 08:25:54.404 INFO kablam!    |             ----^^^^^
Nov 02 08:25:54.404 INFO kablam!    |             |
Nov 02 08:25:54.404 INFO kablam!    |             help: remove this `mut`
Nov 02 08:25:54.404 INFO kablam! 
Nov 02 08:25:54.420 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:25:54.420 INFO kablam!   --> src/main.rs:42:13
Nov 02 08:25:54.420 INFO kablam!    |
Nov 02 08:25:54.420 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Nov 02 08:25:54.420 INFO kablam!    |             ----^^^^^
Nov 02 08:25:54.420 INFO kablam!    |             |
Nov 02 08:25:54.420 INFO kablam!    |             help: remove this `mut`
Nov 02 08:25:54.420 INFO kablam!    |
Nov 02 08:25:54.420 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 08:25:54.420 INFO kablam! 
Nov 02 08:25:54.420 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:25:54.420 INFO kablam!   --> src/main.rs:42:13
Nov 02 08:25:54.420 INFO kablam!    |
Nov 02 08:25:54.428 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Nov 02 08:25:54.428 INFO kablam!    |             ----^^^^^
Nov 02 08:25:54.428 INFO kablam!    |             |
Nov 02 08:25:54.428 INFO kablam!    |             help: remove this `mut`
Nov 02 08:25:54.428 INFO kablam! 
Nov 02 08:25:54.484 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.26s
Nov 02 08:25:54.484 INFO kablam! su: No module specific data is present
Nov 02 08:25:55.570 INFO running `"docker" "rm" "-f" "fea5af81fc88825a55db3c714671418934edf53d94b558a0a962fc9c66ff19f7"`
Nov 02 08:25:55.836 INFO blam! fea5af81fc88825a55db3c714671418934edf53d94b558a0a962fc9c66ff19f7