[INFO] cloning repository https://github.com/cmleight/linalg_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmleight/linalg_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmleight%2Flinalg_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmleight%2Flinalg_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c7d359767ca214a461af691afa126ecbd5c490a
[INFO] checking cmleight/linalg_rs against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmleight%2Flinalg_rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cmleight/linalg_rs
[INFO] finished tweaking git repo https://github.com/cmleight/linalg_rs
[INFO] tweaked toml for git repo https://github.com/cmleight/linalg_rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cmleight/linalg_rs on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cmleight/linalg_rs 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db64189b15ab1943f4cb642d7f1a1fc38797eae1b000d630370f738363ea35db
[INFO] running `Command { std: "docker" "start" "-a" "db64189b15ab1943f4cb642d7f1a1fc38797eae1b000d630370f738363ea35db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db64189b15ab1943f4cb642d7f1a1fc38797eae1b000d630370f738363ea35db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db64189b15ab1943f4cb642d7f1a1fc38797eae1b000d630370f738363ea35db", kill_on_drop: false }`
[INFO] [stdout] db64189b15ab1943f4cb642d7f1a1fc38797eae1b000d630370f738363ea35db
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4671c959018dc93c7782dae2a1c291aa2f06e27aa25701c582800f898abdfc0
[INFO] running `Command { std: "docker" "start" "-a" "d4671c959018dc93c7782dae2a1c291aa2f06e27aa25701c582800f898abdfc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking linalg_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]   --> src/main.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Matrix<T: IntFloat> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `swap_rows`, `deep_copy`, `laplace_determinant`, `gaussian_elimination`, `gaussian_determinant`, and `determinant` are never used
[INFO] [stdout]    --> src/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<T: IntFloat> Matrix<T> {
[INFO] [stdout]     | --------------------------- methods in this implementation
[INFO] [stdout] 109 |     fn swap_rows(&mut self, i: usize, j: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn deep_copy(&self) -> Matrix<T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn laplace_determinant(&self) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn gaussian_elimination(&self) -> (bool, Matrix<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn gaussian_determinant(&self) -> (Matrix<T>, T) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn determinant(&self) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `determinant` is never used
[INFO] [stdout]    --> src/main.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<T: IntFloat> Matrix<T> {
[INFO] [stdout]     | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn determinant(&self) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "d4671c959018dc93c7782dae2a1c291aa2f06e27aa25701c582800f898abdfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4671c959018dc93c7782dae2a1c291aa2f06e27aa25701c582800f898abdfc0", kill_on_drop: false }`
[INFO] [stdout] d4671c959018dc93c7782dae2a1c291aa2f06e27aa25701c582800f898abdfc0
