Oct 31 22:57:42.954 INFO checking puma3/distributed_recommender against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 22:57:42.954 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Oct 31 22:57:43.186 INFO blam! f12b709f76830a3f775b53558c49ac905b7139a4140fb98b3ec51423785c5a70
Oct 31 22:57:43.187 INFO running `"docker" "start" "-a" "f12b709f76830a3f775b53558c49ac905b7139a4140fb98b3ec51423785c5a70"`
Oct 31 22:57:44.180 INFO kablam! usermod: no changes
Oct 31 22:57:44.268 INFO kablam!     Checking memchr v1.0.2
Oct 31 22:57:44.268 INFO kablam!     Checking getopts v0.2.15
Oct 31 22:57:44.280 INFO kablam!     Checking abomonation v0.4.6
Oct 31 22:57:44.289 INFO kablam!     Checking utilities v0.1.0 (/source/libs/utilities)
Oct 31 22:57:44.289 INFO kablam!     Checking timely_sort v0.1.6
Oct 31 22:57:44.289 INFO kablam!     Checking distance v0.1.0 (/source/libs/distance)
Oct 31 22:57:44.764 INFO kablam!     Checking csv-core v0.1.3
Oct 31 22:57:45.844 INFO kablam!     Checking csv v1.0.0-beta.5
Oct 31 22:57:48.892 INFO kablam!     Checking database v0.1.0 (/source/libs/database)
Oct 31 22:57:49.080 INFO kablam!     Checking timely_communication v0.1.8
Oct 31 22:57:49.224 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 22:57:49.224 INFO kablam!  --> libs/database/src/lib.rs:4:1
Oct 31 22:57:49.224 INFO kablam!   |
Oct 31 22:57:49.224 INFO kablam! 4 | #[macro_use]
Oct 31 22:57:49.224 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 22:57:49.224 INFO kablam!   |
Oct 31 22:57:49.224 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 22:57:49.224 INFO kablam! 
Oct 31 22:57:49.418 INFO kablam! warning: method is never used: `item_based_recommendation`
Oct 31 22:57:49.418 INFO kablam!    --> libs/database/src/lib.rs:234:5
Oct 31 22:57:49.418 INFO kablam!     |
Oct 31 22:57:49.418 INFO kablam! 234 |     fn item_based_recommendation(&self, movie_id: i32) -> Vec<(i32, f32)> {
Oct 31 22:57:49.418 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:57:49.418 INFO kablam!     |
Oct 31 22:57:49.418 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 31 22:57:49.418 INFO kablam! 
Oct 31 22:57:49.418 INFO kablam! warning: method is never used: `highest_rated_movie`
Oct 31 22:57:49.418 INFO kablam!    --> libs/database/src/lib.rs:250:5
Oct 31 22:57:49.419 INFO kablam!     |
Oct 31 22:57:49.419 INFO kablam! 250 |     fn highest_rated_movie(&self, user_id: i32) -> i32 {
Oct 31 22:57:49.419 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:57:49.419 INFO kablam! 
Oct 31 22:57:49.826 INFO kablam!     Checking timely v0.3.0
Oct 31 22:57:53.758 INFO kablam!     Checking distributed_recommender v0.1.0 (/source)
Oct 31 22:57:54.748 INFO kablam! warning: unused import: `timely::dataflow::channels::message::Content`
Oct 31 22:57:54.748 INFO kablam!   --> src/main.rs:14:5
Oct 31 22:57:54.748 INFO kablam!    |
Oct 31 22:57:54.748 INFO kablam! 14 | use timely::dataflow::channels::message::Content;
Oct 31 22:57:54.748 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:57:54.748 INFO kablam!    |
Oct 31 22:57:54.748 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 31 22:57:54.748 INFO kablam! 
Oct 31 22:57:54.792 INFO kablam! warning: unused import: `timely::dataflow::channels::message::Content`
Oct 31 22:57:54.792 INFO kablam!   --> src/main.rs:14:5
Oct 31 22:57:54.792 INFO kablam!    |
Oct 31 22:57:54.792 INFO kablam! 14 | use timely::dataflow::channels::message::Content;
Oct 31 22:57:54.792 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:57:54.792 INFO kablam!    |
Oct 31 22:57:54.792 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 31 22:57:54.792 INFO kablam! 
Oct 31 22:57:54.836 INFO kablam! warning: unused variable: `capability`
Oct 31 22:57:54.836 INFO kablam!   --> src/main.rs:58:59
Oct 31 22:57:54.836 INFO kablam!    |
Oct 31 22:57:54.836 INFO kablam! 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Oct 31 22:57:54.836 INFO kablam!    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Oct 31 22:57:54.836 INFO kablam!    |
Oct 31 22:57:54.836 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 22:57:54.836 INFO kablam! 
Oct 31 22:57:54.836 INFO kablam! warning: unused variable: `capability`
Oct 31 22:57:54.836 INFO kablam!   --> src/main.rs:78:60
Oct 31 22:57:54.836 INFO kablam!    |
Oct 31 22:57:54.836 INFO kablam! 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Oct 31 22:57:54.836 INFO kablam!    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Oct 31 22:57:54.836 INFO kablam! 
Oct 31 22:57:54.851 INFO kablam! warning: variable does not need to be mutable
Oct 31 22:57:54.851 INFO kablam!   --> src/main.rs:42:13
Oct 31 22:57:54.851 INFO kablam!    |
Oct 31 22:57:54.851 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Oct 31 22:57:54.852 INFO kablam!    |             ----^^^^^
Oct 31 22:57:54.852 INFO kablam!    |             |
Oct 31 22:57:54.852 INFO kablam!    |             help: remove this `mut`
Oct 31 22:57:54.852 INFO kablam!    |
Oct 31 22:57:54.852 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 22:57:54.852 INFO kablam! 
Oct 31 22:57:54.852 INFO kablam! warning: variable does not need to be mutable
Oct 31 22:57:54.852 INFO kablam!   --> src/main.rs:42:13
Oct 31 22:57:54.852 INFO kablam!    |
Oct 31 22:57:54.852 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Oct 31 22:57:54.852 INFO kablam!    |             ----^^^^^
Oct 31 22:57:54.852 INFO kablam!    |             |
Oct 31 22:57:54.852 INFO kablam!    |             help: remove this `mut`
Oct 31 22:57:54.852 INFO kablam! 
Oct 31 22:57:54.901 INFO kablam! warning: unused variable: `capability`
Oct 31 22:57:54.902 INFO kablam!   --> src/main.rs:58:59
Oct 31 22:57:54.902 INFO kablam!    |
Oct 31 22:57:54.902 INFO kablam! 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Oct 31 22:57:54.902 INFO kablam!    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Oct 31 22:57:54.902 INFO kablam!    |
Oct 31 22:57:54.903 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 22:57:54.903 INFO kablam! 
Oct 31 22:57:54.903 INFO kablam! warning: unused variable: `capability`
Oct 31 22:57:54.903 INFO kablam!   --> src/main.rs:78:60
Oct 31 22:57:54.903 INFO kablam!    |
Oct 31 22:57:54.903 INFO kablam! 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Oct 31 22:57:54.903 INFO kablam!    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Oct 31 22:57:54.903 INFO kablam! 
Oct 31 22:57:54.922 INFO kablam! warning: variable does not need to be mutable
Oct 31 22:57:54.922 INFO kablam!   --> src/main.rs:42:13
Oct 31 22:57:54.922 INFO kablam!    |
Oct 31 22:57:54.922 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Oct 31 22:57:54.922 INFO kablam!    |             ----^^^^^
Oct 31 22:57:54.922 INFO kablam!    |             |
Oct 31 22:57:54.922 INFO kablam!    |             help: remove this `mut`
Oct 31 22:57:54.922 INFO kablam!    |
Oct 31 22:57:54.922 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 22:57:54.922 INFO kablam! 
Oct 31 22:57:54.922 INFO kablam! warning: variable does not need to be mutable
Oct 31 22:57:54.922 INFO kablam!   --> src/main.rs:42:13
Oct 31 22:57:54.922 INFO kablam!    |
Oct 31 22:57:54.922 INFO kablam! 42 |         let mut probe = ProbeHandle::new();
Oct 31 22:57:54.922 INFO kablam!    |             ----^^^^^
Oct 31 22:57:54.922 INFO kablam!    |             |
Oct 31 22:57:54.922 INFO kablam!    |             help: remove this `mut`
Oct 31 22:57:54.922 INFO kablam! 
Oct 31 22:57:54.948 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.75s
Oct 31 22:57:54.955 INFO kablam! su: No module specific data is present
Oct 31 22:57:55.758 INFO running `"docker" "rm" "-f" "f12b709f76830a3f775b53558c49ac905b7139a4140fb98b3ec51423785c5a70"`
Oct 31 22:57:56.052 INFO blam! f12b709f76830a3f775b53558c49ac905b7139a4140fb98b3ec51423785c5a70