[INFO] cloning repository https://github.com/cgreil/linalg_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cgreil/linalg_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgreil%2Flinalg_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgreil%2Flinalg_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8efe8e7fdb1754bf034a88bd821941f40811a34a
[INFO] checking cgreil/linalg_project against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgreil%2Flinalg_project" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cgreil/linalg_project on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cgreil/linalg_project
[INFO] finished tweaking git repo https://github.com/cgreil/linalg_project
[INFO] tweaked toml for git repo https://github.com/cgreil/linalg_project written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cgreil/linalg_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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e18489d7c9b2beb36d6f947f477b6aa932452f94446fcc43d3347cda94494494
[INFO] running `Command { std: "docker" "start" "-a" "e18489d7c9b2beb36d6f947f477b6aa932452f94446fcc43d3347cda94494494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18489d7c9b2beb36d6f947f477b6aa932452f94446fcc43d3347cda94494494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18489d7c9b2beb36d6f947f477b6aa932452f94446fcc43d3347cda94494494", kill_on_drop: false }`
[INFO] [stdout] e18489d7c9b2beb36d6f947f477b6aa932452f94446fcc43d3347cda94494494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 233b201ed208459747687f4877f11dc431ec090099fadcfc8c8abb5e8488eeb8
[INFO] running `Command { std: "docker" "start" "-a" "233b201ed208459747687f4877f11dc431ec090099fadcfc8c8abb5e8488eeb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking linalg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]   --> src/vector.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) use vector;
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ROW_VECTOR` should have an upper camel case name
[INFO] [stdout]   --> src/vector.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ROW_VECTOR,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RowVector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `COLUMN_VECTOR` should have an upper camel case name
[INFO] [stdout]   --> src/vector.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     COLUMN_VECTOR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ColumnVector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `comp`
[INFO] [stdout]   --> src/complex.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) use comp;
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vector::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::vector::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ROW_VECTOR` should have an upper camel case name
[INFO] [stdout]   --> src/vector.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ROW_VECTOR,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RowVector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `COLUMN_VECTOR` should have an upper camel case name
[INFO] [stdout]   --> src/vector.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     COLUMN_VECTOR,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ColumnVector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/test/complex_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #[macro_use]
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/test/matrix_tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[macro_use]
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for i in 0..num_rows {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_iterations`
[INFO] [stdout]    --> src/matrix.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let max_iterations = 100;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_vectors`
[INFO] [stdout]    --> src/matrix.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let num_vectors = vectors.len();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_vectors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `subtraction` and `division` are never used
[INFO] [stdout]   --> src/complex.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait ComplexArithmetic
[INFO] [stdout]    |           ----------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn subtraction(&self, number: &Self) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn division(&self, number: &Self) -> Result<Self, &'static str>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DELTA` is never used
[INFO] [stdout]   --> src/test/util.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const DELTA: f32 = 1e-4;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_complex` is never used
[INFO] [stdout]   --> src/test/util.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn assert_complex<F: Float + FloatConst>(expected: Complex<F>, actual: Complex<F>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_complex_vec` is never used
[INFO] [stdout]   --> src/test/util.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn assert_complex_vec(expected: Vector, actual: Vector) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_complex_matrix` is never used
[INFO] [stdout]   --> src/test/util.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn assert_complex_matrix(expected: Matrix, actual: Matrix) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `QR_algorithm` should have a snake case name
[INFO] [stdout]    --> src/matrix.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 |     pub fn QR_algorithm(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `qr_algorithm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `QR_decomposition` should have a snake case name
[INFO] [stdout]    --> src/matrix.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 289 |     pub fn QR_decomposition(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `qr_decomposition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for i in 0..num_rows {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_iterations`
[INFO] [stdout]    --> src/matrix.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let max_iterations = 100;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_vectors`
[INFO] [stdout]    --> src/matrix.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let num_vectors = vectors.len();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_vectors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `QR_algorithm` should have a snake case name
[INFO] [stdout]    --> src/matrix.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 |     pub fn QR_algorithm(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `qr_algorithm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `QR_decomposition` should have a snake case name
[INFO] [stdout]    --> src/matrix.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 289 |     pub fn QR_decomposition(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `qr_decomposition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test/matrix_tests.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         created_matrix.set_element(2, 2, num.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = created_matrix.set_element(2, 2, num.clone());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "233b201ed208459747687f4877f11dc431ec090099fadcfc8c8abb5e8488eeb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233b201ed208459747687f4877f11dc431ec090099fadcfc8c8abb5e8488eeb8", kill_on_drop: false }`
[INFO] [stdout] 233b201ed208459747687f4877f11dc431ec090099fadcfc8c8abb5e8488eeb8