Dec 13 06:53:14.918 INFO testing puma3/distributed_recommender against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 06:53:14.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 13 06:53:15.567 INFO [stdout] bb0508e47008e21845e9487413a039d8834a87147088df179c2bccc51e7f4a87
Dec 13 06:53:15.575 INFO running `"docker" "start" "-a" "bb0508e47008e21845e9487413a039d8834a87147088df179c2bccc51e7f4a87"`
Dec 13 06:53:16.802 INFO [stderr] usermod: no changes
Dec 13 06:53:16.990 INFO [stderr]    Compiling memchr v1.0.2
Dec 13 06:53:16.990 INFO [stderr]    Compiling serde v1.0.21
Dec 13 06:53:16.990 INFO [stderr]    Compiling abomonation v0.4.6
Dec 13 06:53:16.991 INFO [stderr]    Compiling timely_sort v0.1.6
Dec 13 06:53:16.991 INFO [stderr]    Compiling utilities v0.1.0 (/source/libs/utilities)
Dec 13 06:53:16.991 INFO [stderr]    Compiling distance v0.1.0 (/source/libs/distance)
Dec 13 06:53:16.995 INFO [stderr]    Compiling serde_derive v1.0.21
Dec 13 06:53:20.003 INFO [stderr]    Compiling csv-core v0.1.3
Dec 13 06:53:22.907 INFO [stderr]    Compiling timely_communication v0.1.8
Dec 13 06:53:28.251 INFO [stderr]    Compiling timely v0.3.0
Dec 13 06:53:42.511 INFO [stderr]    Compiling csv v1.0.0-beta.5
Dec 13 06:53:44.598 INFO [stderr]    Compiling database v0.1.0 (/source/libs/database)
Dec 13 06:53:44.905 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 06:53:44.905 INFO [stderr]  --> libs/database/src/lib.rs:4:1
Dec 13 06:53:44.905 INFO [stderr]   |
Dec 13 06:53:44.905 INFO [stderr] 4 | #[macro_use]
Dec 13 06:53:44.905 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 06:53:44.905 INFO [stderr]   |
Dec 13 06:53:44.905 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 06:53:44.905 INFO [stderr] 
Dec 13 06:53:45.023 INFO [stderr] warning: method is never used: `item_based_recommendation`
Dec 13 06:53:45.023 INFO [stderr]    --> libs/database/src/lib.rs:234:5
Dec 13 06:53:45.023 INFO [stderr]     |
Dec 13 06:53:45.023 INFO [stderr] 234 |     fn item_based_recommendation(&self, movie_id: i32) -> Vec<(i32, f32)> {
Dec 13 06:53:45.023 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:53:45.023 INFO [stderr]     |
Dec 13 06:53:45.023 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 06:53:45.023 INFO [stderr] 
Dec 13 06:53:45.023 INFO [stderr] warning: method is never used: `highest_rated_movie`
Dec 13 06:53:45.023 INFO [stderr]    --> libs/database/src/lib.rs:250:5
Dec 13 06:53:45.023 INFO [stderr]     |
Dec 13 06:53:45.023 INFO [stderr] 250 |     fn highest_rated_movie(&self, user_id: i32) -> i32 {
Dec 13 06:53:45.023 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:53:45.023 INFO [stderr] 
Dec 13 06:53:46.266 INFO [stderr]    Compiling distributed_recommender v0.1.0 (/source)
Dec 13 06:53:47.382 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 13 06:53:47.382 INFO [stderr]   --> src/main.rs:14:5
Dec 13 06:53:47.382 INFO [stderr]    |
Dec 13 06:53:47.382 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 13 06:53:47.382 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:53:47.382 INFO [stderr]    |
Dec 13 06:53:47.382 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 06:53:47.382 INFO [stderr] 
Dec 13 06:53:47.462 INFO [stderr] warning: unused variable: `capability`
Dec 13 06:53:47.462 INFO [stderr]   --> src/main.rs:58:59
Dec 13 06:53:47.462 INFO [stderr]    |
Dec 13 06:53:47.462 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 13 06:53:47.462 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 13 06:53:47.462 INFO [stderr]    |
Dec 13 06:53:47.462 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:53:47.462 INFO [stderr] 
Dec 13 06:53:47.462 INFO [stderr] warning: unused variable: `capability`
Dec 13 06:53:47.462 INFO [stderr]   --> src/main.rs:78:60
Dec 13 06:53:47.462 INFO [stderr]    |
Dec 13 06:53:47.463 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 13 06:53:47.463 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 13 06:53:47.463 INFO [stderr] 
Dec 13 06:53:47.481 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:53:47.481 INFO [stderr]   --> src/main.rs:42:13
Dec 13 06:53:47.481 INFO [stderr]    |
Dec 13 06:53:47.481 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 13 06:53:47.481 INFO [stderr]    |             ----^^^^^
Dec 13 06:53:47.481 INFO [stderr]    |             |
Dec 13 06:53:47.481 INFO [stderr]    |             help: remove this `mut`
Dec 13 06:53:47.481 INFO [stderr]    |
Dec 13 06:53:47.481 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 06:53:47.481 INFO [stderr] 
Dec 13 06:53:47.481 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:53:47.481 INFO [stderr]   --> src/main.rs:42:13
Dec 13 06:53:47.481 INFO [stderr]    |
Dec 13 06:53:47.481 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 13 06:53:47.481 INFO [stderr]    |             ----^^^^^
Dec 13 06:53:47.481 INFO [stderr]    |             |
Dec 13 06:53:47.481 INFO [stderr]    |             help: remove this `mut`
Dec 13 06:53:47.481 INFO [stderr] 
Dec 13 06:53:52.541 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.66s
Dec 13 06:53:52.542 INFO [stderr] su: No module specific data is present
Dec 13 06:53:52.897 INFO running `"docker" "inspect" "bb0508e47008e21845e9487413a039d8834a87147088df179c2bccc51e7f4a87"`
Dec 13 06:53:53.039 INFO running `"docker" "rm" "-f" "bb0508e47008e21845e9487413a039d8834a87147088df179c2bccc51e7f4a87"`
Dec 13 06:53:53.166 INFO [stdout] bb0508e47008e21845e9487413a039d8834a87147088df179c2bccc51e7f4a87
Dec 13 06:53:53.169 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 13 06:53:53.347 INFO [stdout] 2241a8e2a251b80a1f5201174d66d33414a113624de219676985c3cdd2e611ce
Dec 13 06:53:53.349 INFO running `"docker" "start" "-a" "2241a8e2a251b80a1f5201174d66d33414a113624de219676985c3cdd2e611ce"`
Dec 13 06:53:54.180 INFO [stderr] usermod: no changes
Dec 13 06:53:54.248 INFO [stderr]    Compiling distributed_recommender v0.1.0 (/source)
Dec 13 06:53:54.887 INFO [stderr] warning: unused import: `timely::dataflow::channels::message::Content`
Dec 13 06:53:54.887 INFO [stderr]   --> src/main.rs:14:5
Dec 13 06:53:54.887 INFO [stderr]    |
Dec 13 06:53:54.887 INFO [stderr] 14 | use timely::dataflow::channels::message::Content;
Dec 13 06:53:54.887 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:53:54.887 INFO [stderr]    |
Dec 13 06:53:54.887 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 06:53:54.887 INFO [stderr] 
Dec 13 06:53:54.967 INFO [stderr] warning: unused variable: `capability`
Dec 13 06:53:54.967 INFO [stderr]   --> src/main.rs:58:59
Dec 13 06:53:54.967 INFO [stderr]    |
Dec 13 06:53:54.967 INFO [stderr] 58 |                  .unary(Pipeline, "user-user_distances", |capability|
Dec 13 06:53:54.967 INFO [stderr]    |                                                           ^^^^^^^^^^ help: consider using `_capability` instead
Dec 13 06:53:54.967 INFO [stderr]    |
Dec 13 06:53:54.967 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:53:54.967 INFO [stderr] 
Dec 13 06:53:54.967 INFO [stderr] warning: unused variable: `capability`
Dec 13 06:53:54.967 INFO [stderr]   --> src/main.rs:78:60
Dec 13 06:53:54.967 INFO [stderr]    |
Dec 13 06:53:54.967 INFO [stderr] 78 |                  .unary(Pipeline, "user-based_recommend", |capability|
Dec 13 06:53:54.967 INFO [stderr]    |                                                            ^^^^^^^^^^ help: consider using `_capability` instead
Dec 13 06:53:54.967 INFO [stderr] 
Dec 13 06:53:54.987 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:53:54.987 INFO [stderr]   --> src/main.rs:42:13
Dec 13 06:53:54.987 INFO [stderr]    |
Dec 13 06:53:54.987 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 13 06:53:54.987 INFO [stderr]    |             ----^^^^^
Dec 13 06:53:54.987 INFO [stderr]    |             |
Dec 13 06:53:54.987 INFO [stderr]    |             help: remove this `mut`
Dec 13 06:53:54.987 INFO [stderr]    |
Dec 13 06:53:54.987 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 06:53:54.987 INFO [stderr] 
Dec 13 06:53:54.987 INFO [stderr] warning: variable does not need to be mutable
Dec 13 06:53:54.987 INFO [stderr]   --> src/main.rs:42:13
Dec 13 06:53:54.987 INFO [stderr]    |
Dec 13 06:53:54.987 INFO [stderr] 42 |         let mut probe = ProbeHandle::new();
Dec 13 06:53:54.987 INFO [stderr]    |             ----^^^^^
Dec 13 06:53:54.987 INFO [stderr]    |             |
Dec 13 06:53:54.987 INFO [stderr]    |             help: remove this `mut`
Dec 13 06:53:54.987 INFO [stderr] 
Dec 13 06:53:55.414 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 13 06:53:55.419 INFO [stderr] su: No module specific data is present
Dec 13 06:53:55.729 INFO running `"docker" "inspect" "2241a8e2a251b80a1f5201174d66d33414a113624de219676985c3cdd2e611ce"`
Dec 13 06:53:55.868 INFO running `"docker" "rm" "-f" "2241a8e2a251b80a1f5201174d66d33414a113624de219676985c3cdd2e611ce"`
Dec 13 06:53:56.039 INFO [stdout] 2241a8e2a251b80a1f5201174d66d33414a113624de219676985c3cdd2e611ce
Dec 13 06:53:56.044 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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"`
Dec 13 06:53:56.457 INFO [stdout] fef4d242c3fa5d37989428f06560472293a08918a1a36bdf469112d5d16ca302
Dec 13 06:53:56.459 INFO running `"docker" "start" "-a" "fef4d242c3fa5d37989428f06560472293a08918a1a36bdf469112d5d16ca302"`
Dec 13 06:53:57.354 INFO [stderr] usermod: no changes
Dec 13 06:53:57.437 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 13 06:53:57.452 INFO [stderr]      Running /target/debug/deps/distributed_recommender-101b53137255eda9
Dec 13 06:53:57.471 INFO [stderr] su: No module specific data is present
Dec 13 06:53:57.471 INFO [stdout] 
Dec 13 06:53:57.471 INFO [stdout] running 0 tests
Dec 13 06:53:57.471 INFO [stdout] 
Dec 13 06:53:57.471 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:53:57.471 INFO [stdout] 
Dec 13 06:53:57.878 INFO running `"docker" "inspect" "fef4d242c3fa5d37989428f06560472293a08918a1a36bdf469112d5d16ca302"`
Dec 13 06:53:57.965 INFO running `"docker" "rm" "-f" "fef4d242c3fa5d37989428f06560472293a08918a1a36bdf469112d5d16ca302"`
Dec 13 06:53:58.052 INFO [stdout] fef4d242c3fa5d37989428f06560472293a08918a1a36bdf469112d5d16ca302