[INFO] updating cached repository rgrannell1/poly
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rgrannell1/poly
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rgrannell1/poly" "work/ex/beta-1.38-1/sources/1.37.0/gh/rgrannell1/poly"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rgrannell1/poly'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rgrannell1/poly" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgrannell1/poly"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgrannell1/poly'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad40ef65b33152f9f3307686113445fa6a31471b
[INFO] sha for GitHub repo rgrannell1/poly: ad40ef65b33152f9f3307686113445fa6a31471b
[INFO] validating manifest of rgrannell1/poly on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rgrannell1/poly on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rgrannell1/poly
[INFO] finished frobbing rgrannell1/poly
[INFO] frobbed toml for rgrannell1/poly written to work/ex/beta-1.38-1/sources/1.37.0/gh/rgrannell1/poly/Cargo.toml
[INFO] started frobbing rgrannell1/poly
[INFO] finished frobbing rgrannell1/poly
[INFO] frobbed toml for rgrannell1/poly written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgrannell1/poly/Cargo.toml
[INFO] crate rgrannell1/poly already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rgrannell1/poly against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rgrannell1/poly:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cbd24b82e9d53b3b9f8e9b247acd7ad0a472232e8e3d73be94a887090d8939ad
[INFO] running `"docker" "start" "-a" "cbd24b82e9d53b3b9f8e9b247acd7ad0a472232e8e3d73be94a887090d8939ad"`
[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/crater/workdir)
[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: consider prefixing with an underscore: `_eigens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.56s
[INFO] running `"docker" "inspect" "cbd24b82e9d53b3b9f8e9b247acd7ad0a472232e8e3d73be94a887090d8939ad"`
[INFO] running `"docker" "rm" "-f" "cbd24b82e9d53b3b9f8e9b247acd7ad0a472232e8e3d73be94a887090d8939ad"`
[INFO] [stdout] cbd24b82e9d53b3b9f8e9b247acd7ad0a472232e8e3d73be94a887090d8939ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rgrannell1/poly:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 00d0f4145d4f0339ddeb7ba32ba01a9d3723aa70d9d21e1aceddf96887a00860
[INFO] running `"docker" "start" "-a" "00d0f4145d4f0339ddeb7ba32ba01a9d3723aa70d9d21e1aceddf96887a00860"`
[INFO] [stderr]    Compiling poly v0.0.1 (/opt/crater/workdir)
[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: consider prefixing with an underscore: `_eigens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "00d0f4145d4f0339ddeb7ba32ba01a9d3723aa70d9d21e1aceddf96887a00860"`
[INFO] running `"docker" "rm" "-f" "00d0f4145d4f0339ddeb7ba32ba01a9d3723aa70d9d21e1aceddf96887a00860"`
[INFO] [stdout] 00d0f4145d4f0339ddeb7ba32ba01a9d3723aa70d9d21e1aceddf96887a00860
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rgrannell1/poly:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ad169f68a44ab4862732c20b39b8ded8673879c797a1d3048486ab4a71b65fb5
[INFO] running `"docker" "start" "-a" "ad169f68a44ab4862732c20b39b8ded8673879c797a1d3048486ab4a71b65fb5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/poly-f8dd6031c7b8c3ce
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ad169f68a44ab4862732c20b39b8ded8673879c797a1d3048486ab4a71b65fb5"`
[INFO] running `"docker" "rm" "-f" "ad169f68a44ab4862732c20b39b8ded8673879c797a1d3048486ab4a71b65fb5"`
[INFO] [stdout] ad169f68a44ab4862732c20b39b8ded8673879c797a1d3048486ab4a71b65fb5