[INFO] cloning repository https://github.com/rileyhernandez/linalg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rileyhernandez/linalg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frileyhernandez%2Flinalg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frileyhernandez%2Flinalg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 252963ebd7987379f71a5b226243b04f970af89b
[INFO] checking rileyhernandez/linalg against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frileyhernandez%2Flinalg" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rileyhernandez/linalg
[INFO] finished tweaking git repo https://github.com/rileyhernandez/linalg
[INFO] tweaked toml for git repo https://github.com/rileyhernandez/linalg written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rileyhernandez/linalg on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rileyhernandez/linalg 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking rileyhernandez/linalg against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frileyhernandez%2Flinalg" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rileyhernandez/linalg
[INFO] finished tweaking git repo https://github.com/rileyhernandez/linalg
[INFO] tweaked toml for git repo https://github.com/rileyhernandez/linalg written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rileyhernandez/linalg on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rileyhernandez/linalg 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.84
[INFO] [stderr]   Downloaded bytemuck v1.16.0
[INFO] [stderr]   Downloaded nalgebra v0.32.5
[INFO] [stderr]   Downloaded wide v0.7.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f352c7fff1800a4c59082ad4d0f711c2b79589b014d083beabb15de4b680b37
[INFO] running `Command { std: "docker" "start" "-a" "9f352c7fff1800a4c59082ad4d0f711c2b79589b014d083beabb15de4b680b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f352c7fff1800a4c59082ad4d0f711c2b79589b014d083beabb15de4b680b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f352c7fff1800a4c59082ad4d0f711c2b79589b014d083beabb15de4b680b37", kill_on_drop: false }`
[INFO] [stdout] 9f352c7fff1800a4c59082ad4d0f711c2b79589b014d083beabb15de4b680b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8438293968cbb90aace0234fa396a4a4217aa306f0d16bd714846830aa0f715b
[INFO] running `Command { std: "docker" "start" "-a" "8438293968cbb90aace0234fa396a4a4217aa306f0d16bd714846830aa0f715b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.16.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking wide v0.7.21
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.5
[INFO] [stderr]     Checking linalg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 | /         /// matrix of size: n x m
[INFO] [stdout] 205 | |         /// and form: | a_00 a_01 a_02 a_03 | a_04 |
[INFO] [stdout] 206 | |         ///           | a_10 a_11 a_12 a_13 | a_14 |
[INFO] [stdout] 207 | |         ///           | a_20 a_21 a_22 a_23 | a_24 |
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |         ///
[INFO] [stdout] 212 | |         /// let matrix = vec![
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] ...
[INFO] [stdout] 218 | /         for row in 0..matrix.len() {
[INFO] [stdout] 219 | |             for column in 0..matrix[0].len() {
[INFO] [stdout] 220 | |                 if row > column && matrix[row][column] != 0.{
[INFO] [stdout] 221 | |                     return Err(NonDiagonalMatrix)
[INFO] [stdout] ...   |
[INFO] [stdout] 224 | |         }
[INFO] [stdout]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 | /         /// matrix of size: n x m
[INFO] [stdout] 205 | |         /// and form: | a_00 a_01 a_02 a_03 | a_04 |
[INFO] [stdout] 206 | |         ///           | a_10 a_11 a_12 a_13 | a_14 |
[INFO] [stdout] 207 | |         ///           | a_20 a_21 a_22 a_23 | a_24 |
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |         ///
[INFO] [stdout] 212 | |         /// let matrix = vec![
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] ...
[INFO] [stdout] 218 | /         for row in 0..matrix.len() {
[INFO] [stdout] 219 | |             for column in 0..matrix[0].len() {
[INFO] [stdout] 220 | |                 if row > column && matrix[row][column] != 0.{
[INFO] [stdout] 221 | |                     return Err(NonDiagonalMatrix)
[INFO] [stdout] ...   |
[INFO] [stdout] 224 | |         }
[INFO] [stdout]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Linear` is never used
[INFO] [stdout]  --> src/lib.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Linear = Vec<f64>;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lin` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Lin(Vec<f64>);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `system`
[INFO] [stdout]    --> src/lib.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let system = LinearSystem::new(m, v).expect("Couldn't construct system");
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intended`
[INFO] [stdout]    --> src/lib.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let intended = vec![
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intended`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Linear` is never used
[INFO] [stdout]  --> src/lib.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Linear = Vec<f64>;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lin` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Lin(Vec<f64>);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `linalg::Matrix`
[INFO] [stdout]  --> examples/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use linalg::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Matrix` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]   |
[INFO] [stdout] 2 - use linalg::Matrix;
[INFO] [stdout] 2 + use nalgebra::Matrix;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linalg::LinearSystem`
[INFO] [stdout]  --> examples/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use linalg::LinearSystem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linalg` (example "test") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8438293968cbb90aace0234fa396a4a4217aa306f0d16bd714846830aa0f715b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8438293968cbb90aace0234fa396a4a4217aa306f0d16bd714846830aa0f715b", kill_on_drop: false }`
[INFO] [stdout] 8438293968cbb90aace0234fa396a4a4217aa306f0d16bd714846830aa0f715b
