[INFO] cloning repository https://github.com/KongBorup/fourier-transform-sop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KongBorup/fourier-transform-sop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKongBorup%2Ffourier-transform-sop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKongBorup%2Ffourier-transform-sop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc3185b0cae8e15018487e7f5c4eeaf1c722ec62
[INFO] testing KongBorup/fourier-transform-sop against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKongBorup%2Ffourier-transform-sop" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KongBorup/fourier-transform-sop on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KongBorup/fourier-transform-sop
[INFO] finished tweaking git repo https://github.com/KongBorup/fourier-transform-sop
[INFO] tweaked toml for git repo https://github.com/KongBorup/fourier-transform-sop written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/KongBorup/fourier-transform-sop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 bstr v0.2.8
[INFO] [stderr]   Downloaded ryu v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f64ffb7c7a4bb0ee5a4b44b705bb706bcfb9030a5f0366bc79c19a90e63d0aaf
[INFO] running `Command { std: "docker" "start" "-a" "f64ffb7c7a4bb0ee5a4b44b705bb706bcfb9030a5f0366bc79c19a90e63d0aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f64ffb7c7a4bb0ee5a4b44b705bb706bcfb9030a5f0366bc79c19a90e63d0aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64ffb7c7a4bb0ee5a4b44b705bb706bcfb9030a5f0366bc79c19a90e63d0aaf", kill_on_drop: false }`
[INFO] [stdout] f64ffb7c7a4bb0ee5a4b44b705bb706bcfb9030a5f0366bc79c19a90e63d0aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 239c4cad4469b58d6c7e6b8026814757a5f15b81aaf9aca5905372397b37088f
[INFO] running `Command { std: "docker" "start" "-a" "239c4cad4469b58d6c7e6b8026814757a5f15b81aaf9aca5905372397b37088f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling fourier-sop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `plot`
[INFO] [stdout]  --> src/graphing.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn plot(t: &[f64], x: &[Complex<f64>], f: &[f64], X: &[Complex<f64>]) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.30s
[INFO] running `Command { std: "docker" "inspect" "239c4cad4469b58d6c7e6b8026814757a5f15b81aaf9aca5905372397b37088f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239c4cad4469b58d6c7e6b8026814757a5f15b81aaf9aca5905372397b37088f", kill_on_drop: false }`
[INFO] [stdout] 239c4cad4469b58d6c7e6b8026814757a5f15b81aaf9aca5905372397b37088f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f73b11580eca90f8fade265a6a33364b70e728f419add7a44821fee90cc8d3db
[INFO] running `Command { std: "docker" "start" "-a" "f73b11580eca90f8fade265a6a33364b70e728f419add7a44821fee90cc8d3db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fourier-sop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `plot`
[INFO] [stdout]  --> src/graphing.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn plot(t: &[f64], x: &[Complex<f64>], f: &[f64], X: &[Complex<f64>]) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "f73b11580eca90f8fade265a6a33364b70e728f419add7a44821fee90cc8d3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73b11580eca90f8fade265a6a33364b70e728f419add7a44821fee90cc8d3db", kill_on_drop: false }`
[INFO] [stdout] f73b11580eca90f8fade265a6a33364b70e728f419add7a44821fee90cc8d3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 474ec2b0636cbfa7c708075d29b32caedab4ed06a290719d15505fa64fa476bf
[INFO] running `Command { std: "docker" "start" "-a" "474ec2b0636cbfa7c708075d29b32caedab4ed06a290719d15505fa64fa476bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `plot`
[INFO] [stderr]  --> src/graphing.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn plot(t: &[f64], x: &[Complex<f64>], f: &[f64], X: &[Complex<f64>]) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fourier-sop` (bin "fourier-sop" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fourier_sop-841acb74aaecc5f6)
[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" "474ec2b0636cbfa7c708075d29b32caedab4ed06a290719d15505fa64fa476bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474ec2b0636cbfa7c708075d29b32caedab4ed06a290719d15505fa64fa476bf", kill_on_drop: false }`
[INFO] [stdout] 474ec2b0636cbfa7c708075d29b32caedab4ed06a290719d15505fa64fa476bf