Dec 11 21:50:32.296 INFO checking bgmarx/recommender against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 21:50:32.296 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 21:50:32.824 INFO [stdout] 9f6331ae30d1994ec64181625ff204fc82ced44141a7f6ce4e93350f284a6d33
Dec 11 21:50:32.826 INFO running `"docker" "start" "-a" "9f6331ae30d1994ec64181625ff204fc82ced44141a7f6ce4e93350f284a6d33"`
Dec 11 21:50:34.941 INFO [stderr] usermod: no changes
Dec 11 21:50:35.284 INFO [stderr]    Compiling serde v1.0.70
Dec 11 21:50:35.286 INFO [stderr]    Compiling ndarray v0.11.2
Dec 11 21:50:35.295 INFO [stderr]     Checking memchr v2.0.1
Dec 11 21:50:35.299 INFO [stderr]     Checking num-complex v0.1.43
Dec 11 21:50:35.301 INFO [stderr]     Checking tokio-reactor v0.1.2
Dec 11 21:50:35.301 INFO [stderr]    Compiling serde_derive v1.0.70
Dec 11 21:50:35.302 INFO [stderr]     Checking tokio-threadpool v0.1.5
Dec 11 21:50:35.302 INFO [stderr]     Checking hibitset v0.5.1
Dec 11 21:50:37.564 INFO [stderr]     Checking csv-core v0.1.4
Dec 11 21:50:41.278 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 11 21:50:41.278 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 11 21:50:42.440 INFO [stderr]     Checking tokio-fs v0.1.2
Dec 11 21:50:44.655 INFO [stderr]     Checking tokio v0.1.7
Dec 11 21:50:47.524 INFO [stderr]     Checking tokio-core v0.1.17
Dec 11 21:50:54.792 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 11 21:50:55.404 INFO [stderr]     Checking hyper v0.11.27
Dec 11 21:50:58.757 INFO [stderr]     Checking rand_core v0.2.1
Dec 11 21:50:58.757 INFO [stderr]     Checking serde_json v1.0.24
Dec 11 21:50:58.757 INFO [stderr]     Checking serde_urlencoded v0.5.2
Dec 11 21:50:58.757 INFO [stderr]     Checking smallvec v0.5.1
Dec 11 21:50:58.764 INFO [stderr]     Checking csv v1.0.0
Dec 11 21:50:58.764 INFO [stderr]     Checking bincode v0.9.2
Dec 11 21:51:01.182 INFO [stderr]     Checking rand v0.5.4
Dec 11 21:51:05.197 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 11 21:51:08.216 INFO [stderr]     Checking reqwest v0.8.7
Dec 11 21:51:11.349 INFO [stderr]     Checking wyrm v0.9.1
Dec 11 21:51:15.937 INFO [stderr]     Checking sbr v0.4.0
Dec 11 21:51:22.742 INFO [stderr]     Checking goodbooks-recommender v0.1.0 (/source)
Dec 11 21:51:29.736 INFO [stderr] warning: unused variable: `title_to_id`
Dec 11 21:51:29.736 INFO [stderr]    --> src/main.rs:226:10
Dec 11 21:51:29.736 INFO [stderr]     |
Dec 11 21:51:29.736 INFO [stderr] 226 |          title_to_id) = deserialize_books(books_path).unwrap();
Dec 11 21:51:29.736 INFO [stderr]     |          ^^^^^^^^^^^ help: consider using `_title_to_id` instead
Dec 11 21:51:29.736 INFO [stderr]     |
Dec 11 21:51:29.736 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 21:51:29.736 INFO [stderr] 
Dec 11 21:51:30.360 INFO [stderr] warning: unused variable: `title_to_id`
Dec 11 21:51:30.360 INFO [stderr]    --> src/main.rs:226:10
Dec 11 21:51:30.360 INFO [stderr]     |
Dec 11 21:51:30.360 INFO [stderr] 226 |          title_to_id) = deserialize_books(books_path).unwrap();
Dec 11 21:51:30.360 INFO [stderr]     |          ^^^^^^^^^^^ help: consider using `_title_to_id` instead
Dec 11 21:51:30.360 INFO [stderr]     |
Dec 11 21:51:30.360 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 21:51:30.360 INFO [stderr] 
Dec 11 21:51:30.482 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.52s
Dec 11 21:51:30.505 INFO [stderr] su: No module specific data is present
Dec 11 21:51:31.260 INFO running `"docker" "inspect" "9f6331ae30d1994ec64181625ff204fc82ced44141a7f6ce4e93350f284a6d33"`
Dec 11 21:51:31.644 INFO running `"docker" "rm" "-f" "9f6331ae30d1994ec64181625ff204fc82ced44141a7f6ce4e93350f284a6d33"`
Dec 11 21:51:31.965 INFO [stdout] 9f6331ae30d1994ec64181625ff204fc82ced44141a7f6ce4e93350f284a6d33