[INFO] cloning repository https://github.com/rgrannell1/poly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rgrannell1/poly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrannell1%2Fpoly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrannell1%2Fpoly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad40ef65b33152f9f3307686113445fa6a31471b
[INFO] testing rgrannell1/poly 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%2Frgrannell1%2Fpoly" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rgrannell1/poly 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/rgrannell1/poly
[INFO] finished tweaking git repo https://github.com/rgrannell1/poly
[INFO] tweaked toml for git repo https://github.com/rgrannell1/poly written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/rgrannell1/poly 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] fd4f603ece097e670d07dc0fb859ce5ca663a24e35c9197dfaab285afe64978a
[INFO] running `Command { std: "docker" "start" "-a" "fd4f603ece097e670d07dc0fb859ce5ca663a24e35c9197dfaab285afe64978a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd4f603ece097e670d07dc0fb859ce5ca663a24e35c9197dfaab285afe64978a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4f603ece097e670d07dc0fb859ce5ca663a24e35c9197dfaab285afe64978a", kill_on_drop: false }`
[INFO] [stdout] fd4f603ece097e670d07dc0fb859ce5ca663a24e35c9197dfaab285afe64978a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] bd52f5d6c18bd37c3ead08bd5c3be36df1d48bcdd47ec549c1e7895ed5c12818
[INFO] running `Command { std: "docker" "start" "-a" "bd52f5d6c18bd37c3ead08bd5c3be36df1d48bcdd47ec549c1e7895ed5c12818", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling poly v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `eigens`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let eigens = solve_companion_matrix(to_mixed_radix(vec![50, 50, 50, 50], solved), 25);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_eigens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 25.62s
[INFO] running `Command { std: "docker" "inspect" "bd52f5d6c18bd37c3ead08bd5c3be36df1d48bcdd47ec549c1e7895ed5c12818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd52f5d6c18bd37c3ead08bd5c3be36df1d48bcdd47ec549c1e7895ed5c12818", kill_on_drop: false }`
[INFO] [stdout] bd52f5d6c18bd37c3ead08bd5c3be36df1d48bcdd47ec549c1e7895ed5c12818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 255d0ef12c0a0c753381ca58dc0c31ad58bcdf1ef08995dbbcc0703ef1b5316b
[INFO] running `Command { std: "docker" "start" "-a" "255d0ef12c0a0c753381ca58dc0c31ad58bcdf1ef08995dbbcc0703ef1b5316b", kill_on_drop: false }`
[INFO] [stderr]    Compiling poly v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `eigens`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let eigens = solve_companion_matrix(to_mixed_radix(vec![50, 50, 50, 50], solved), 25);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_eigens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "255d0ef12c0a0c753381ca58dc0c31ad58bcdf1ef08995dbbcc0703ef1b5316b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255d0ef12c0a0c753381ca58dc0c31ad58bcdf1ef08995dbbcc0703ef1b5316b", kill_on_drop: false }`
[INFO] [stdout] 255d0ef12c0a0c753381ca58dc0c31ad58bcdf1ef08995dbbcc0703ef1b5316b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b2524ea3e4d9113cdd5cc528101489e1c9a82a38bfbc28024ade113cb742d1e1
[INFO] running `Command { std: "docker" "start" "-a" "b2524ea3e4d9113cdd5cc528101489e1c9a82a38bfbc28024ade113cb742d1e1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `eigens`
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let eigens = solve_companion_matrix(to_mixed_radix(vec![50, 50, 50, 50], solved), 25);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_eigens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `poly` (bin "poly" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poly-79f83693cd4d0446)
[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" "b2524ea3e4d9113cdd5cc528101489e1c9a82a38bfbc28024ade113cb742d1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2524ea3e4d9113cdd5cc528101489e1c9a82a38bfbc28024ade113cb742d1e1", kill_on_drop: false }`
[INFO] [stdout] b2524ea3e4d9113cdd5cc528101489e1c9a82a38bfbc28024ade113cb742d1e1