[INFO] updating cached repository Skadic/archimedean-spiral
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Skadic/archimedean-spiral
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Skadic/archimedean-spiral" "work/ex/beta-1.38-1/sources/1.37.0/gh/Skadic/archimedean-spiral"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Skadic/archimedean-spiral'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Skadic/archimedean-spiral" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Skadic/archimedean-spiral"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Skadic/archimedean-spiral'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78f358f1d2517df52c168f605faa2604a442587a
[INFO] sha for GitHub repo Skadic/archimedean-spiral: 78f358f1d2517df52c168f605faa2604a442587a
[INFO] validating manifest of Skadic/archimedean-spiral 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 Skadic/archimedean-spiral 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 Skadic/archimedean-spiral
[INFO] finished frobbing Skadic/archimedean-spiral
[INFO] frobbed toml for Skadic/archimedean-spiral written to work/ex/beta-1.38-1/sources/1.37.0/gh/Skadic/archimedean-spiral/Cargo.toml
[INFO] started frobbing Skadic/archimedean-spiral
[INFO] finished frobbing Skadic/archimedean-spiral
[INFO] frobbed toml for Skadic/archimedean-spiral written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Skadic/archimedean-spiral/Cargo.toml
[INFO] crate Skadic/archimedean-spiral 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 Skadic/archimedean-spiral 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Skadic/archimedean-spiral:/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] 66352fbc7cf569709d50e167a1f67d361704dc350988469b1a8e8aca21bf5b08
[INFO] running `"docker" "start" "-a" "66352fbc7cf569709d50e167a1f67d361704dc350988469b1a8e8aca21bf5b08"`
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.11
[INFO] [stderr]    Compiling wayland-commons v0.21.11
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]    Compiling pistoncore-window v0.37.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling pistoncore-event_loop v0.42.0
[INFO] [stderr]    Compiling piston v0.42.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.59.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.54.0
[INFO] [stderr]    Compiling archimedean-spiral v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `a`
[INFO] [stderr]   --> src/archimedean_spiral.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn a(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "66352fbc7cf569709d50e167a1f67d361704dc350988469b1a8e8aca21bf5b08"`
[INFO] running `"docker" "rm" "-f" "66352fbc7cf569709d50e167a1f67d361704dc350988469b1a8e8aca21bf5b08"`
[INFO] [stdout] 66352fbc7cf569709d50e167a1f67d361704dc350988469b1a8e8aca21bf5b08
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Skadic/archimedean-spiral:/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] 1160f536a7c3974274a389a8089fcb9532da0dd2193b490ce4524d4f567406d1
[INFO] running `"docker" "start" "-a" "1160f536a7c3974274a389a8089fcb9532da0dd2193b490ce4524d4f567406d1"`
[INFO] [stderr]    Compiling archimedean-spiral v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::rainbow::RainbowIterator`
[INFO] [stderr]   --> src/lib.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     use crate::rainbow::RainbowIterator;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/lib.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         for line in 0..10 {
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `a`
[INFO] [stderr]   --> src/archimedean_spiral.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn a(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "1160f536a7c3974274a389a8089fcb9532da0dd2193b490ce4524d4f567406d1"`
[INFO] running `"docker" "rm" "-f" "1160f536a7c3974274a389a8089fcb9532da0dd2193b490ce4524d4f567406d1"`
[INFO] [stdout] 1160f536a7c3974274a389a8089fcb9532da0dd2193b490ce4524d4f567406d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Skadic/archimedean-spiral:/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] 4eb1887dec38f863c4e45650814558c5e195d3c889cd20690bc5a1de94d7c659
[INFO] running `"docker" "start" "-a" "4eb1887dec38f863c4e45650814558c5e195d3c889cd20690bc5a1de94d7c659"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/archimedean_spiral-6b81f1df810e4544
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_color_func ... ok
[INFO] [stdout] test rainbow::tests::test_rainbow_iterator ... ok
[INFO] [stdout] test tests::correct_polar_to_cartesian ... ok
[INFO] [stdout] test tests::test_spiral ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/archimedean_spiral-fb5da929dada3c1e
[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] [stderr]    Doc-tests archimedean-spiral
[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" "4eb1887dec38f863c4e45650814558c5e195d3c889cd20690bc5a1de94d7c659"`
[INFO] running `"docker" "rm" "-f" "4eb1887dec38f863c4e45650814558c5e195d3c889cd20690bc5a1de94d7c659"`
[INFO] [stdout] 4eb1887dec38f863c4e45650814558c5e195d3c889cd20690bc5a1de94d7c659