[INFO] cloning repository https://github.com/lucdoebereiner/Visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucdoebereiner/Visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdoebereiner%2FVisualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdoebereiner%2FVisualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f371e98b6175c63aecadfea13de9bd868dabba16
[INFO] testing lucdoebereiner/Visualizer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdoebereiner%2FVisualizer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucdoebereiner/Visualizer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucdoebereiner/Visualizer
[INFO] finished tweaking git repo https://github.com/lucdoebereiner/Visualizer
[INFO] tweaked toml for git repo https://github.com/lucdoebereiner/Visualizer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lucdoebereiner/Visualizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] defe20bb7fa7b823a4dac8aeb565ff7a2dc42c69a3963c51a89c71c4a5ee72ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "defe20bb7fa7b823a4dac8aeb565ff7a2dc42c69a3963c51a89c71c4a5ee72ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "defe20bb7fa7b823a4dac8aeb565ff7a2dc42c69a3963c51a89c71c4a5ee72ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "defe20bb7fa7b823a4dac8aeb565ff7a2dc42c69a3963c51a89c71c4a5ee72ca", kill_on_drop: false }`
[INFO] [stdout] defe20bb7fa7b823a4dac8aeb565ff7a2dc42c69a3963c51a89c71c4a5ee72ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13bb60b4ff2912bba594e36b2543f09e2b354ecf056aac7692a652cdee22dbaa
[INFO] running `Command { std: "docker" "start" "-a" "13bb60b4ff2912bba594e36b2543f09e2b354ecf056aac7692a652cdee22dbaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf v0.2.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling jack-sys v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling jack v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling winit v0.24.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.78.0
[INFO] [stderr]    Compiling glutin v0.26.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.69.0
[INFO] [stderr]    Compiling visualizer-piston v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn recurrence_matrix(e: f32, vec: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn recurrence_matrix2(e: f32, vec1: &[f32], vec2: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `norm`
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn norm(a: f32, b: f32) -> f32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `heaviside`
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn heaviside(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `recurrence_matrix`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn recurrence_matrix(e: f32, vec: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "13bb60b4ff2912bba594e36b2543f09e2b354ecf056aac7692a652cdee22dbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bb60b4ff2912bba594e36b2543f09e2b354ecf056aac7692a652cdee22dbaa", kill_on_drop: false }`
[INFO] [stdout] 13bb60b4ff2912bba594e36b2543f09e2b354ecf056aac7692a652cdee22dbaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 368ff400ce5a05bff8a79ed5ea0fcb9c6c09a500bc02b4fd51c4fb9f86552ace
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "368ff400ce5a05bff8a79ed5ea0fcb9c6c09a500bc02b4fd51c4fb9f86552ace", kill_on_drop: false }`
[INFO] [stderr]    Compiling visualizer-piston v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn recurrence_matrix(e: f32, vec: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn recurrence_matrix2(e: f32, vec1: &[f32], vec2: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `norm`
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn norm(a: f32, b: f32) -> f32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `heaviside`
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn heaviside(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `recurrence_matrix`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn recurrence_matrix(e: f32, vec: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "368ff400ce5a05bff8a79ed5ea0fcb9c6c09a500bc02b4fd51c4fb9f86552ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368ff400ce5a05bff8a79ed5ea0fcb9c6c09a500bc02b4fd51c4fb9f86552ace", kill_on_drop: false }`
[INFO] [stdout] 368ff400ce5a05bff8a79ed5ea0fcb9c6c09a500bc02b4fd51c4fb9f86552ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 583c12ca3d2a777cbeb050523b24e841485b5abd054e2f64001c8bfeb28cc9f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "583c12ca3d2a777cbeb050523b24e841485b5abd054e2f64001c8bfeb28cc9f3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn recurrence_matrix(e: f32, vec: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:71:23
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn recurrence_matrix2(e: f32, vec1: &[f32], vec2: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `norm`
[INFO] [stderr]   --> src/main.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn norm(a: f32, b: f32) -> f32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `heaviside`
[INFO] [stderr]   --> src/main.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn heaviside(x: f32) -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `recurrence_matrix`
[INFO] [stderr]   --> src/main.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn recurrence_matrix(e: f32, vec: &[f32]) -> Vec<Vec<f32>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `visualizer-piston` (bin "visualizer-piston" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/visualizer_piston-155d424659aaa070)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "583c12ca3d2a777cbeb050523b24e841485b5abd054e2f64001c8bfeb28cc9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583c12ca3d2a777cbeb050523b24e841485b5abd054e2f64001c8bfeb28cc9f3", kill_on_drop: false }`
[INFO] [stdout] 583c12ca3d2a777cbeb050523b24e841485b5abd054e2f64001c8bfeb28cc9f3