[INFO] cloning repository https://github.com/nguyenvukhang/numerical-methods
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nguyenvukhang/numerical-methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenvukhang%2Fnumerical-methods", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenvukhang%2Fnumerical-methods'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eff3d38fe92f7afee6756365e248d67477d8136
[INFO] testing nguyenvukhang/numerical-methods against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenvukhang%2Fnumerical-methods" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nguyenvukhang/numerical-methods
[INFO] finished tweaking git repo https://github.com/nguyenvukhang/numerical-methods
[INFO] tweaked toml for git repo https://github.com/nguyenvukhang/numerical-methods written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nguyenvukhang/numerical-methods on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nguyenvukhang/numerical-methods 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" "+1.90.0" "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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8899d2d7b0ffa0d410dd2f6299caae98ad847c55d10436c5b575aa1baf2e9022
[INFO] running `Command { std: "docker" "start" "-a" "8899d2d7b0ffa0d410dd2f6299caae98ad847c55d10436c5b575aa1baf2e9022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8899d2d7b0ffa0d410dd2f6299caae98ad847c55d10436c5b575aa1baf2e9022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8899d2d7b0ffa0d410dd2f6299caae98ad847c55d10436c5b575aa1baf2e9022", kill_on_drop: false }`
[INFO] [stdout] 8899d2d7b0ffa0d410dd2f6299caae98ad847c55d10436c5b575aa1baf2e9022
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917e6a19085c81846b10c4cd1e806bd168bf7761273053cdc2d7b4d362027ac0
[INFO] running `Command { std: "docker" "start" "-a" "917e6a19085c81846b10c4cd1e806bd168bf7761273053cdc2d7b4d362027ac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling numerical-methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `xs` and `ys` are never read
[INFO] [stdout]  --> src/interpolation/lagrange.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LagrangeInterpolation<const N: usize> {
[INFO] [stdout]   |            --------------------- fields in this struct
[INFO] [stdout] 5 |     xs: Mat<N, 1>,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     ys: Mat<N, 1>,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `xs` and `coeffs` are never read
[INFO] [stdout]  --> src/interpolation/newton.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NewtonInterpolation<const N: usize> {
[INFO] [stdout]   |            ------------------- fields in this struct
[INFO] [stdout] 5 |     xs: Mat<N, 1>,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     coeffs: Mat<N, 1>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Interpolator` is never used
[INFO] [stdout]  --> src/interpolation/traits.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Interpolator<const N: usize> {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "917e6a19085c81846b10c4cd1e806bd168bf7761273053cdc2d7b4d362027ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917e6a19085c81846b10c4cd1e806bd168bf7761273053cdc2d7b4d362027ac0", kill_on_drop: false }`
[INFO] [stdout] 917e6a19085c81846b10c4cd1e806bd168bf7761273053cdc2d7b4d362027ac0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727ceb24c66f604b6112157cb14a896684ad20135989a7e6aa1733ecaf205954
[INFO] running `Command { std: "docker" "start" "-a" "727ceb24c66f604b6112157cb14a896684ad20135989a7e6aa1733ecaf205954", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerical-methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "727ceb24c66f604b6112157cb14a896684ad20135989a7e6aa1733ecaf205954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727ceb24c66f604b6112157cb14a896684ad20135989a7e6aa1733ecaf205954", kill_on_drop: false }`
[INFO] [stdout] 727ceb24c66f604b6112157cb14a896684ad20135989a7e6aa1733ecaf205954
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1bb96ef65a285208dd73044fea071e97dd0ea76d622dc65f2849211d720520e
[INFO] running `Command { std: "docker" "start" "-a" "e1bb96ef65a285208dd73044fea071e97dd0ea76d622dc65f2849211d720520e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/numerical_methods-66ef82ce0a814a5f)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test na::horners_test ... ok
[INFO] [stdout] test interpolation::lagrange::lagrange_interpolation_test ... ok
[INFO] [stdout] test interpolation::newton::newton_interpolation_test ... ok
[INFO] [stdout] test na::cholesky_test ... ok
[INFO] [stdout] test na::qr_decomp::gram_schmidt_test ... ok
[INFO] [stdout] test matrix::solve_qr_test ... ok
[INFO] [stdout] test na::power_iteration_test ... ok
[INFO] [stdout] test na::inverse_iteration_test ... ok
[INFO] [stdout] test na::inverse_iteration_against_power_iteration ... ok
[INFO] [stdout] test na::qr_decomp::householder_refl_test ... ok
[INFO] [stdout] test na::backward_sub_test ... ok
[INFO] [stdout] test na::rayleigh_quotient_iteration_test has been running for over 60 seconds
[INFO] [stdout] test na::rayleigh_quotient_iteration_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 90.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1bb96ef65a285208dd73044fea071e97dd0ea76d622dc65f2849211d720520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1bb96ef65a285208dd73044fea071e97dd0ea76d622dc65f2849211d720520e", kill_on_drop: false }`
[INFO] [stdout] e1bb96ef65a285208dd73044fea071e97dd0ea76d622dc65f2849211d720520e