[INFO] updating cached repository https://github.com/howeih/Day-55-Quincunx
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec3301cb7c8f55c7d75379e1449de28a1cd20dc8
[INFO] testing howeih/Day-55-Quincunx against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-55-Quincunx" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-55-Quincunx on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/howeih/Day-55-Quincunx
[INFO] finished tweaking git repo https://github.com/howeih/Day-55-Quincunx
[INFO] tweaked toml for git repo https://github.com/howeih/Day-55-Quincunx written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-55-Quincunx already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 517b394c69990f041743fa4e9184eb601ccee5ed548391f060c2fa8e9c5a909e
[INFO] running `"docker" "start" "-a" "517b394c69990f041743fa4e9184eb601ccee5ed548391f060c2fa8e9c5a909e"`
[INFO] [stderr]    Compiling gnuplot v0.0.31
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling quincunx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/main.rs:94:14
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut x, mut y) = animate_quincunx(1., &balls);
[INFO] [stderr]    |              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]   --> src/main.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut x, mut y) = animate_quincunx(1., &balls);
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `"docker" "inspect" "517b394c69990f041743fa4e9184eb601ccee5ed548391f060c2fa8e9c5a909e"`
[INFO] running `"docker" "rm" "-f" "517b394c69990f041743fa4e9184eb601ccee5ed548391f060c2fa8e9c5a909e"`
[INFO] [stdout] 517b394c69990f041743fa4e9184eb601ccee5ed548391f060c2fa8e9c5a909e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b4c9f2de24d8b5e1d01445ec0d8da267f8c2422440b9f8f02dd7916e5a77580
[INFO] running `"docker" "start" "-a" "4b4c9f2de24d8b5e1d01445ec0d8da267f8c2422440b9f8f02dd7916e5a77580"`
[INFO] [stderr]    Compiling quincunx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/main.rs:94:14
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut x, mut y) = animate_quincunx(1., &balls);
[INFO] [stderr]    |              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]   --> src/main.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut x, mut y) = animate_quincunx(1., &balls);
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "4b4c9f2de24d8b5e1d01445ec0d8da267f8c2422440b9f8f02dd7916e5a77580"`
[INFO] running `"docker" "rm" "-f" "4b4c9f2de24d8b5e1d01445ec0d8da267f8c2422440b9f8f02dd7916e5a77580"`
[INFO] [stdout] 4b4c9f2de24d8b5e1d01445ec0d8da267f8c2422440b9f8f02dd7916e5a77580
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f24e7218ec1c8b1e94eb4139bbbcd582c255f4977f9af3fd00afe999841bb83a
[INFO] running `"docker" "start" "-a" "f24e7218ec1c8b1e94eb4139bbbcd582c255f4977f9af3fd00afe999841bb83a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quincunx-a38f9bd7d3b64c20
[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" "f24e7218ec1c8b1e94eb4139bbbcd582c255f4977f9af3fd00afe999841bb83a"`
[INFO] running `"docker" "rm" "-f" "f24e7218ec1c8b1e94eb4139bbbcd582c255f4977f9af3fd00afe999841bb83a"`
[INFO] [stdout] f24e7218ec1c8b1e94eb4139bbbcd582c255f4977f9af3fd00afe999841bb83a