[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMBlev%2Frecommender-system" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MBlev/recommender-system on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-8/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded diesel v1.4.4 [INFO] [stderr] Downloaded syn v1.0.24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c33a71c4596237eeb2cc8f44f200974cf431773eeeffa9c66289a985d4d3bd3 [INFO] running `Command { std: "docker" "start" "-a" "3c33a71c4596237eeb2cc8f44f200974cf431773eeeffa9c66289a985d4d3bd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c33a71c4596237eeb2cc8f44f200974cf431773eeeffa9c66289a985d4d3bd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c33a71c4596237eeb2cc8f44f200974cf431773eeeffa9c66289a985d4d3bd3", kill_on_drop: false }` [INFO] [stdout] 3c33a71c4596237eeb2cc8f44f200974cf431773eeeffa9c66289a985d4d3bd3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db0b32181058a8aeb403e920bc938477774fbd4c4302aaec32e3dd40f5e77c5b [INFO] running `Command { std: "docker" "start" "-a" "db0b32181058a8aeb403e920bc938477774fbd4c4302aaec32e3dd40f5e77c5b", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.24 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking generic_controller v0.1.0 (/tmp/fixit/generic_controller) [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Migrating generic_controller/src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-automata v0.1.9 [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 (/tmp/fixit/specific_controllers/book_controller) [INFO] [stderr] Checking small_movielens_controller v0.1.0 (/tmp/fixit/specific_controllers/small_movielens_controller) [INFO] [stderr] Checking movie_controller v0.1.0 (/tmp/fixit/specific_controllers/movie_controller) [INFO] [stderr] Migrating specific_controllers/book_controller/src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Migrating specific_controllers/small_movielens_controller/src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Migrating specific_controllers/movie_controller/src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed specific_controllers/book_controller/src/b_controller.rs (1 fix) [INFO] [stderr] Fixed specific_controllers/small_movielens_controller/src/sml_controller.rs (1 fix) [INFO] [stderr] Migrating specific_controllers/small_movielens_controller/src/bin/load_data.rs from 2018 edition to 2021 [INFO] [stderr] Migrating specific_controllers/book_controller/src/bin/load_data.rs from 2018 edition to 2021 [INFO] [stderr] Fixed specific_controllers/small_movielens_controller/src/bin/load_data.rs (3 fixes) [INFO] [stderr] Checking recommendation-system v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating specific_controllers/movie_controller/src/bin/load_data.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/distances_item.rs (1 fix) [INFO] [stderr] Fixed src/movie_api.rs (3 fixes) [INFO] [stdout] warning: value assigned to `result_user` is never read [INFO] [stdout] --> src/movie_api.rs:106:13 [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:124:13 [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: value assigned to `result_item` is never read [INFO] [stdout] --> src/book_api.rs:65:13 [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:69:13 [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_user` is never read [INFO] [stdout] --> src/movie_api.rs:106:13 [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:124:13 [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: value assigned to `result_item` is never read [INFO] [stdout] --> src/book_api.rs:65:13 [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:69:13 [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.22s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking book_controller v0.1.0 (/tmp/fixit/specific_controllers/book_controller) [INFO] [stderr] Checking small_movielens_controller v0.1.0 (/tmp/fixit/specific_controllers/small_movielens_controller) [INFO] [stderr] Checking recommendation-system v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: value assigned to `result_user` is never read [INFO] [stdout] --> src/movie_api.rs:106:13 [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:124:13 [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: value assigned to `result_item` is never read [INFO] [stdout] --> src/book_api.rs:65:13 [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:69:13 [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: value assigned to `result_user` is never read [INFO] [stdout] --> src/movie_api.rs:106:13 [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:124:13 [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: value assigned to `result_item` is never read [INFO] [stdout] --> src/book_api.rs:65:13 [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:69:13 [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "db0b32181058a8aeb403e920bc938477774fbd4c4302aaec32e3dd40f5e77c5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db0b32181058a8aeb403e920bc938477774fbd4c4302aaec32e3dd40f5e77c5b", kill_on_drop: false }` [INFO] [stdout] db0b32181058a8aeb403e920bc938477774fbd4c4302aaec32e3dd40f5e77c5b