[INFO] updating cached repository howeih/Day-55-Quincunx
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-55-Quincunx
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-55-Quincunx" "work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-55-Quincunx"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-55-Quincunx'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-55-Quincunx" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-55-Quincunx"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-55-Quincunx'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec3301cb7c8f55c7d75379e1449de28a1cd20dc8
[INFO] sha for GitHub repo howeih/Day-55-Quincunx: ec3301cb7c8f55c7d75379e1449de28a1cd20dc8
[INFO] validating manifest of howeih/Day-55-Quincunx 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 howeih/Day-55-Quincunx 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 howeih/Day-55-Quincunx
[INFO] finished frobbing howeih/Day-55-Quincunx
[INFO] frobbed toml for howeih/Day-55-Quincunx written to work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-55-Quincunx/Cargo.toml
[INFO] started frobbing howeih/Day-55-Quincunx
[INFO] finished frobbing howeih/Day-55-Quincunx
[INFO] frobbed toml for howeih/Day-55-Quincunx written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-55-Quincunx/Cargo.toml
[INFO] crate howeih/Day-55-Quincunx 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 howeih/Day-55-Quincunx against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-55-Quincunx:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f8d952f15033891c67a53017ad0d748ba97486fa5defc1b6fa8ec07c2823d7c3
[INFO] running `"docker" "start" "-a" "f8d952f15033891c67a53017ad0d748ba97486fa5defc1b6fa8ec07c2823d7c3"`
[INFO] [stderr]    Compiling ndarray v0.12.1
[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 quincunx v0.1.0 (/opt/crater/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 10.28s
[INFO] running `"docker" "inspect" "f8d952f15033891c67a53017ad0d748ba97486fa5defc1b6fa8ec07c2823d7c3"`
[INFO] running `"docker" "rm" "-f" "f8d952f15033891c67a53017ad0d748ba97486fa5defc1b6fa8ec07c2823d7c3"`
[INFO] [stdout] f8d952f15033891c67a53017ad0d748ba97486fa5defc1b6fa8ec07c2823d7c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-55-Quincunx:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e3a7addec2b56ec3a68852d739949be0592f46c691c6f3ec0129e74f0a926ed7
[INFO] running `"docker" "start" "-a" "e3a7addec2b56ec3a68852d739949be0592f46c691c6f3ec0129e74f0a926ed7"`
[INFO] [stderr]    Compiling quincunx v0.1.0 (/opt/crater/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 0.62s
[INFO] running `"docker" "inspect" "e3a7addec2b56ec3a68852d739949be0592f46c691c6f3ec0129e74f0a926ed7"`
[INFO] running `"docker" "rm" "-f" "e3a7addec2b56ec3a68852d739949be0592f46c691c6f3ec0129e74f0a926ed7"`
[INFO] [stdout] e3a7addec2b56ec3a68852d739949be0592f46c691c6f3ec0129e74f0a926ed7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-55-Quincunx:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 025249518a97be7e1060770fff3f7d117472a4d2d2bf68d63e97d9fa116debf7
[INFO] running `"docker" "start" "-a" "025249518a97be7e1060770fff3f7d117472a4d2d2bf68d63e97d9fa116debf7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quincunx-587f871bf42a164b
[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" "025249518a97be7e1060770fff3f7d117472a4d2d2bf68d63e97d9fa116debf7"`
[INFO] running `"docker" "rm" "-f" "025249518a97be7e1060770fff3f7d117472a4d2d2bf68d63e97d9fa116debf7"`
[INFO] [stdout] 025249518a97be7e1060770fff3f7d117472a4d2d2bf68d63e97d9fa116debf7