[INFO] updating cached repository oberien/krakenx62
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/oberien/krakenx62
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/oberien/krakenx62" "work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/krakenx62"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/krakenx62'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/oberien/krakenx62" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oberien/krakenx62"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oberien/krakenx62'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f976b2bf70a8df22e5996b745096d95d873e07ef
[INFO] sha for GitHub repo oberien/krakenx62: f976b2bf70a8df22e5996b745096d95d873e07ef
[INFO] validating manifest of oberien/krakenx62 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 oberien/krakenx62 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 oberien/krakenx62
[INFO] finished frobbing oberien/krakenx62
[INFO] frobbed toml for oberien/krakenx62 written to work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/krakenx62/Cargo.toml
[INFO] started frobbing oberien/krakenx62
[INFO] finished frobbing oberien/krakenx62
[INFO] frobbed toml for oberien/krakenx62 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oberien/krakenx62/Cargo.toml
[INFO] crate oberien/krakenx62 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 oberien/krakenx62 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/krakenx62:/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] aaf31bca033d31069e9171b311ec6db7653128f34e85606bd80e4ef9f62f16d7
[INFO] running `"docker" "start" "-a" "aaf31bca033d31069e9171b311ec6db7653128f34e85606bd80e4ef9f62f16d7"`
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling libusb v0.3.0
[INFO] [stderr]    Compiling krakenx62 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/cooler/mod.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | / macro_rules! unwrap_safe {
[INFO] [stderr] 126 | |     ($e:expr) => {
[INFO] [stderr] 127 | |         match $e {
[INFO] [stderr] 128 | |             Ok(_) => {}
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |     };
[INFO] [stderr] 132 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fading`
[INFO] [stderr]   --> src/cooler/modes.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Fading(Effect),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SpectrumWave`
[INFO] [stderr]   --> src/cooler/modes.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     SpectrumWave(Speed),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Marquee`
[INFO] [stderr]   --> src/cooler/modes.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     Marquee(Speed, Circle),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CoveringMarquee`
[INFO] [stderr]   --> src/cooler/modes.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     CoveringMarquee(Effect),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alternating`
[INFO] [stderr]   --> src/cooler/modes.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Alternating(Speed, Color, Color),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pulse`
[INFO] [stderr]   --> src/cooler/modes.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Pulse(Effect),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TaiChi`
[INFO] [stderr]   --> src/cooler/modes.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     TaiChi(Speed, Color, Color),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WaterCooler`
[INFO] [stderr]   --> src/cooler/modes.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     WaterCooler(Speed),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loading`
[INFO] [stderr]   --> src/cooler/modes.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Loading(Speed, Circle),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AlternatingRotate`
[INFO] [stderr]   --> src/cooler/modes.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     AlternatingRotate = 11,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stars`
[INFO] [stderr]   --> src/cooler/modes.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Stars = 12,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fixed2`
[INFO] [stderr]   --> src/cooler/modes.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     Fixed2 = 13,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blinky`
[INFO] [stderr]   --> src/cooler/modes.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     Blinky = 14,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VerySlow`
[INFO] [stderr]   --> src/cooler/modes.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     VerySlow = 0,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Slow`
[INFO] [stderr]   --> src/cooler/modes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Slow = 1,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VeryFast`
[INFO] [stderr]    --> src/cooler/modes.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     VeryFast = 4,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_single_with_text`
[INFO] [stderr]    --> src/cooler/modes.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn from_single_with_text(txt: Color, col: Color) -> Colors {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `"docker" "inspect" "aaf31bca033d31069e9171b311ec6db7653128f34e85606bd80e4ef9f62f16d7"`
[INFO] running `"docker" "rm" "-f" "aaf31bca033d31069e9171b311ec6db7653128f34e85606bd80e4ef9f62f16d7"`
[INFO] [stdout] aaf31bca033d31069e9171b311ec6db7653128f34e85606bd80e4ef9f62f16d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/krakenx62:/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] 450ecda90e6fc6c3eab7300e89194b09bde15b1273d8fa0da2ec3e2be5964ea5
[INFO] running `"docker" "start" "-a" "450ecda90e6fc6c3eab7300e89194b09bde15b1273d8fa0da2ec3e2be5964ea5"`
[INFO] [stderr]    Compiling krakenx62 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/cooler/mod.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | / macro_rules! unwrap_safe {
[INFO] [stderr] 126 | |     ($e:expr) => {
[INFO] [stderr] 127 | |         match $e {
[INFO] [stderr] 128 | |             Ok(_) => {}
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |     };
[INFO] [stderr] 132 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fading`
[INFO] [stderr]   --> src/cooler/modes.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Fading(Effect),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SpectrumWave`
[INFO] [stderr]   --> src/cooler/modes.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     SpectrumWave(Speed),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Marquee`
[INFO] [stderr]   --> src/cooler/modes.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     Marquee(Speed, Circle),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CoveringMarquee`
[INFO] [stderr]   --> src/cooler/modes.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     CoveringMarquee(Effect),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alternating`
[INFO] [stderr]   --> src/cooler/modes.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Alternating(Speed, Color, Color),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pulse`
[INFO] [stderr]   --> src/cooler/modes.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Pulse(Effect),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TaiChi`
[INFO] [stderr]   --> src/cooler/modes.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     TaiChi(Speed, Color, Color),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WaterCooler`
[INFO] [stderr]   --> src/cooler/modes.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     WaterCooler(Speed),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loading`
[INFO] [stderr]   --> src/cooler/modes.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Loading(Speed, Circle),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AlternatingRotate`
[INFO] [stderr]   --> src/cooler/modes.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     AlternatingRotate = 11,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stars`
[INFO] [stderr]   --> src/cooler/modes.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Stars = 12,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fixed2`
[INFO] [stderr]   --> src/cooler/modes.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     Fixed2 = 13,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blinky`
[INFO] [stderr]   --> src/cooler/modes.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     Blinky = 14,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VerySlow`
[INFO] [stderr]   --> src/cooler/modes.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     VerySlow = 0,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Slow`
[INFO] [stderr]   --> src/cooler/modes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Slow = 1,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VeryFast`
[INFO] [stderr]    --> src/cooler/modes.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     VeryFast = 4,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_single_with_text`
[INFO] [stderr]    --> src/cooler/modes.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn from_single_with_text(txt: Color, col: Color) -> Colors {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "450ecda90e6fc6c3eab7300e89194b09bde15b1273d8fa0da2ec3e2be5964ea5"`
[INFO] running `"docker" "rm" "-f" "450ecda90e6fc6c3eab7300e89194b09bde15b1273d8fa0da2ec3e2be5964ea5"`
[INFO] [stdout] 450ecda90e6fc6c3eab7300e89194b09bde15b1273d8fa0da2ec3e2be5964ea5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/krakenx62:/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] 3d1913ebe6848904726b4c5005d9a00e88385bddd81e25e4cf37a09051a1ca9c
[INFO] running `"docker" "start" "-a" "3d1913ebe6848904726b4c5005d9a00e88385bddd81e25e4cf37a09051a1ca9c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/krakenx62-5b23bcde0d88b094
[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" "3d1913ebe6848904726b4c5005d9a00e88385bddd81e25e4cf37a09051a1ca9c"`
[INFO] running `"docker" "rm" "-f" "3d1913ebe6848904726b4c5005d9a00e88385bddd81e25e4cf37a09051a1ca9c"`
[INFO] [stdout] 3d1913ebe6848904726b4c5005d9a00e88385bddd81e25e4cf37a09051a1ca9c