[INFO] cloning repository https://github.com/akshita-as02/rust-practice
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[INFO] [stdout] addcdc70d7cad1ebcf7b4842accb61c461024dc8
[INFO] testing akshita-as02/rust-practice against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakshita-as02%2Frust-practice" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/akshita-as02/rust-practice
[INFO] finished tweaking git repo https://github.com/akshita-as02/rust-practice
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[INFO] validating manifest of git repo https://github.com/akshita-as02/rust-practice on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rust-rec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/models/user_item.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct User {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `user_similarities` is never read
[INFO] [stdout]   --> src/algorithms/collaborative.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct UserBasedCF {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     user_similarities: HashMap<(u32, u32), f32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calculate_similarity` is never used
[INFO] [stdout]   --> src/algorithms/collaborative.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl UserBasedCF {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn calculate_similarity(&self, user1: u32, user2: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "ddca53f4d5d2d0fc041719d295e287dcfc424881b62718c252b5608b8382fbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddca53f4d5d2d0fc041719d295e287dcfc424881b62718c252b5608b8382fbaa", kill_on_drop: false }`
[INFO] [stdout] ddca53f4d5d2d0fc041719d295e287dcfc424881b62718c252b5608b8382fbaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf09cfa0200eb85fd24a04b636b60d3a95aae2c9023679e8be2a8cff35ee1a4
[INFO] running `Command { std: "docker" "start" "-a" "abf09cfa0200eb85fd24a04b636b60d3a95aae2c9023679e8be2a8cff35ee1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-rec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/models/user_item.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct User {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `user_similarities` is never read
[INFO] [stdout]   --> src/algorithms/collaborative.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct UserBasedCF {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     user_similarities: HashMap<(u32, u32), f32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calculate_similarity` is never used
[INFO] [stdout]   --> src/algorithms/collaborative.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl UserBasedCF {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn calculate_similarity(&self, user1: u32, user2: u32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "abf09cfa0200eb85fd24a04b636b60d3a95aae2c9023679e8be2a8cff35ee1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf09cfa0200eb85fd24a04b636b60d3a95aae2c9023679e8be2a8cff35ee1a4", kill_on_drop: false }`
[INFO] [stdout] abf09cfa0200eb85fd24a04b636b60d3a95aae2c9023679e8be2a8cff35ee1a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abeba9511f0dc022bc795c831c9af18b798a2beef0247d46be6f9227bfb9f49b
[INFO] running `Command { std: "docker" "start" "-a" "abeba9511f0dc022bc795c831c9af18b798a2beef0247d46be6f9227bfb9f49b", kill_on_drop: false }`
[INFO] [stderr] warning: struct `User` is never constructed
[INFO] [stderr]   --> src/models/user_item.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct User {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `user_similarities` is never read
[INFO] [stderr]   --> src/algorithms/collaborative.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct UserBasedCF {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 20 |     user_similarities: HashMap<(u32, u32), f32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `calculate_similarity` is never used
[INFO] [stderr]   --> src/algorithms/collaborative.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl UserBasedCF {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn calculate_similarity(&self, user1: u32, user2: u32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-rec` (bin "rust-rec" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_rec-c06ba68944803050)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "abeba9511f0dc022bc795c831c9af18b798a2beef0247d46be6f9227bfb9f49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeba9511f0dc022bc795c831c9af18b798a2beef0247d46be6f9227bfb9f49b", kill_on_drop: false }`
[INFO] [stdout] abeba9511f0dc022bc795c831c9af18b798a2beef0247d46be6f9227bfb9f49b
