[INFO] cloning repository https://github.com/MBlev/recommender-system [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MBlev/recommender-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMBlev%2Frecommender-system", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMBlev%2Frecommender-system'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c809256445275209400e024d92bf4a3ec72d08e7 [INFO] checking MBlev/recommender-system against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMBlev%2Frecommender-system" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MBlev/recommender-system on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MBlev/recommender-system [INFO] finished tweaking git repo https://github.com/MBlev/recommender-system [INFO] tweaked toml for git repo https://github.com/MBlev/recommender-system written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/MBlev/recommender-system already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 575365990c7bacd170b68a97ca5917ccc7943e8af8ef6ae75997e1abff34e90b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "575365990c7bacd170b68a97ca5917ccc7943e8af8ef6ae75997e1abff34e90b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "575365990c7bacd170b68a97ca5917ccc7943e8af8ef6ae75997e1abff34e90b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "575365990c7bacd170b68a97ca5917ccc7943e8af8ef6ae75997e1abff34e90b", kill_on_drop: false }` [INFO] [stdout] 575365990c7bacd170b68a97ca5917ccc7943e8af8ef6ae75997e1abff34e90b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb6819bb30f05a7c993530dbe2cc0342834061fc1a9fc414014775d83b3c15f2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fb6819bb30f05a7c993530dbe2cc0342834061fc1a9fc414014775d83b3c15f2", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling syn v1.0.24 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking generic_controller v0.1.0 (/opt/rustwide/workdir/generic_controller) [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Checking diesel v1.4.4 [INFO] [stderr] Checking book_controller v0.1.0 (/opt/rustwide/workdir/specific_controllers/book_controller) [INFO] [stderr] Checking movie_controller v0.1.0 (/opt/rustwide/workdir/specific_controllers/movie_controller) [INFO] [stderr] Checking small_movielens_controller v0.1.0 (/opt/rustwide/workdir/specific_controllers/small_movielens_controller) [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> specific_controllers/book_controller/src/b_controller.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn get_user_by_name(&self, name: &str) -> Vec{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> specific_controllers/book_controller/src/b_controller.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn get_user_by_name(&self, name: &str) -> Vec{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/sml_controller.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn get_user_by_name(&self, name: &str) -> Vec{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/sml_controller.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn get_user_by_name(&self, name: &str) -> Vec{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking recommendation-system v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `movies`, `users` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/bin/load_data.rs:2:42 [INFO] [stdout] | [INFO] [stdout] 2 | use small_movielens_controller::schema::{users, movies, scores}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `movies`, `users` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/bin/load_data.rs:2:42 [INFO] [stdout] | [INFO] [stdout] 2 | use small_movielens_controller::schema::{users, movies, scores}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/bin/load_data.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | for chunk in vector_users.chunks(10000) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/bin/load_data.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | for chunk in vector_movies.chunks(10000) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/bin/load_data.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | for chunk in vector_users.chunks(10000) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> specific_controllers/small_movielens_controller/src/bin/load_data.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | for chunk in vector_movies.chunks(10000) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/distances_item.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | for (item, score) in scores { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_user` is never read [INFO] [stdout] --> src/movie_api.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut result_user = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_item` is never read [INFO] [stdout] --> src/movie_api.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | let mut result_item = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user` [INFO] [stdout] --> src/movie_api.rs:226:10 [INFO] [stdout] | [INFO] [stdout] 226 | for (user, scores) in &all_scores { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_user` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `score` [INFO] [stdout] --> src/movie_api.rs:227:20 [INFO] [stdout] | [INFO] [stdout] 227 | for (item, score) in scores { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/movie_api.rs:238:9 [INFO] [stdout] | [INFO] [stdout] 238 | for it in &items { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_item` is never read [INFO] [stdout] --> src/book_api.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let mut result_item = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_item` is never read [INFO] [stdout] --> src/small_movielens_api.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut result_item = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/distances_item.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | for (item, score) in scores { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_user` is never read [INFO] [stdout] --> src/movie_api.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut result_user = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_item` is never read [INFO] [stdout] --> src/movie_api.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | let mut result_item = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user` [INFO] [stdout] --> src/movie_api.rs:226:10 [INFO] [stdout] | [INFO] [stdout] 226 | for (user, scores) in &all_scores { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_user` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `score` [INFO] [stdout] --> src/movie_api.rs:227:20 [INFO] [stdout] | [INFO] [stdout] 227 | for (item, score) in scores { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/movie_api.rs:238:9 [INFO] [stdout] | [INFO] [stdout] 238 | for it in &items { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_item` is never read [INFO] [stdout] --> src/book_api.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let mut result_item = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_item` is never read [INFO] [stdout] --> src/small_movielens_api.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut result_item = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.59s [INFO] running `Command { std: "docker" "inspect" "fb6819bb30f05a7c993530dbe2cc0342834061fc1a9fc414014775d83b3c15f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb6819bb30f05a7c993530dbe2cc0342834061fc1a9fc414014775d83b3c15f2", kill_on_drop: false }` [INFO] [stdout] fb6819bb30f05a7c993530dbe2cc0342834061fc1a9fc414014775d83b3c15f2