[INFO] cloning repository https://github.com/CatieA17/DS210_Final_Project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CatieA17/DS210_Final_Project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCatieA17%2FDS210_Final_Project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCatieA17%2FDS210_Final_Project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 333dfa0c0d949e6556785e1cc8923ee62f0c05fe
[INFO] checking CatieA17/DS210_Final_Project against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCatieA17%2FDS210_Final_Project" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  92% (427/462)
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[INFO] started tweaking git repo https://github.com/CatieA17/DS210_Final_Project
[INFO] finished tweaking git repo https://github.com/CatieA17/DS210_Final_Project
[INFO] tweaked toml for git repo https://github.com/CatieA17/DS210_Final_Project written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CatieA17/DS210_Final_Project on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CatieA17/DS210_Final_Project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 701befb176876d287cae5c6b3072c555ceb250977ae5475ef894850de0fbd4aa
[INFO] running `Command { std: "docker" "start" "-a" "701befb176876d287cae5c6b3072c555ceb250977ae5475ef894850de0fbd4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701befb176876d287cae5c6b3072c555ceb250977ae5475ef894850de0fbd4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701befb176876d287cae5c6b3072c555ceb250977ae5475ef894850de0fbd4aa", kill_on_drop: false }`
[INFO] [stdout] 701befb176876d287cae5c6b3072c555ceb250977ae5475ef894850de0fbd4aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b62054ac728d6c3d02b048260ecb8a9d4ee67e79bb43fff684b03abd385219d
[INFO] running `Command { std: "docker" "start" "-a" "7b62054ac728d6c3d02b048260ecb8a9d4ee67e79bb43fff684b03abd385219d", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/book_recs.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::ArrayView1`
[INFO] [stdout]  --> src/book_recs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::ArrayView1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]  --> src/cluster_reps.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Array2`
[INFO] [stdout]  --> src/similarity.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array2, ArrayView1};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/book_recs.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::ArrayView1`
[INFO] [stdout]  --> src/book_recs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::ArrayView1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]  --> src/cluster_reps.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude`
[INFO] [stdout]  --> src/similarity.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_users`
[INFO] [stdout]  --> src/book_recs.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let num_users = rating_matrix.nrows();
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_users`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<{float}>: FixedInitializer` is not satisfied
[INFO] [stdout]   --> src/similarity.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let matrix = Array2::from(vec![
[INFO] [stdout]    |                  ^^^^^^ the trait `FixedInitializer` is not implemented for `Vec<{float}>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `FixedInitializer`:
[INFO] [stdout]              [T; 0]
[INFO] [stdout]              [T; 10]
[INFO] [stdout]              [T; 11]
[INFO] [stdout]              [T; 12]
[INFO] [stdout]              [T; 13]
[INFO] [stdout]              [T; 14]
[INFO] [stdout]              [T; 15]
[INFO] [stdout]              [T; 16]
[INFO] [stdout]            and 9 others
[INFO] [stdout]    = note: required for `ArrayBase<OwnedRepr<_>, Dim<[usize; 2]>>` to implement `From<Vec<Vec<{float}>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster_reps.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut min_dist = f32::MAX;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> src/cluster_reps.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 min_dist == dist;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let _ = min_dist == dist;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<{float}>: FixedInitializer` is not satisfied
[INFO] [stdout]   --> src/clusters.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let data = Array2::from(vec![
[INFO] [stdout]    |                ^^^^^^ the trait `FixedInitializer` is not implemented for `Vec<{float}>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `FixedInitializer`:
[INFO] [stdout]              [T; 0]
[INFO] [stdout]              [T; 10]
[INFO] [stdout]              [T; 11]
[INFO] [stdout]              [T; 12]
[INFO] [stdout]              [T; 13]
[INFO] [stdout]              [T; 14]
[INFO] [stdout]              [T; 15]
[INFO] [stdout]              [T; 16]
[INFO] [stdout]            and 9 others
[INFO] [stdout]    = note: required for `ArrayBase<OwnedRepr<_>, Dim<[usize; 2]>>` to implement `From<Vec<Vec<{float}>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude`
[INFO] [stdout]  --> src/similarity.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_users`
[INFO] [stdout]  --> src/book_recs.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let num_users = rating_matrix.nrows();
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_users`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster_reps.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut min_dist = f32::MAX;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `main` (bin "main" test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7b62054ac728d6c3d02b048260ecb8a9d4ee67e79bb43fff684b03abd385219d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b62054ac728d6c3d02b048260ecb8a9d4ee67e79bb43fff684b03abd385219d", kill_on_drop: false }`
[INFO] [stdout] 7b62054ac728d6c3d02b048260ecb8a9d4ee67e79bb43fff684b03abd385219d
