Dec 19 13:54:39.959 INFO checking kyren/rsgb against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:54:39.960 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/kyren/rsgb:/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=forbid" "-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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:54:40.117 INFO [stdout] c574409155f5db0faa1a9618328bcbf6b1ee2c98600c757a19db364cb5322f4b
Dec 19 13:54:40.120 INFO running `"docker" "start" "-a" "c574409155f5db0faa1a9618328bcbf6b1ee2c98600c757a19db364cb5322f4b"`
Dec 19 13:54:40.620 INFO [stderr]     Checking libc v0.2.21
Dec 19 13:54:40.620 INFO [stderr]    Compiling rayon-core v1.0.0
Dec 19 13:54:40.620 INFO [stderr]     Checking num-traits v0.1.37
Dec 19 13:54:40.620 INFO [stderr]     Checking lazy_static v0.2.8
Dec 19 13:54:40.620 INFO [stderr]     Checking adler32 v1.0.0
Dec 19 13:54:40.620 INFO [stderr]     Checking byteorder v1.0.0
Dec 19 13:54:40.620 INFO [stderr]     Checking color_quant v1.0.0
Dec 19 13:54:40.620 INFO [stderr]     Checking inflate v0.1.1
Dec 19 13:54:40.972 INFO [stderr]     Checking bitflags v0.7.0
Dec 19 13:54:41.136 INFO [stderr]     Checking lzw v0.10.0
Dec 19 13:54:41.160 INFO [stderr]     Checking scoped_threadpool v0.1.7
Dec 19 13:54:42.108 INFO [stderr]     Checking deflate v0.7.6
Dec 19 13:54:42.292 INFO [stderr]     Checking gif v0.9.1
Dec 19 13:54:42.346 INFO [stderr]     Checking num-integer v0.1.34
Dec 19 13:54:42.346 INFO [stderr]     Checking enum_primitive v0.1.1
Dec 19 13:54:43.288 INFO [stderr]     Checking rand v0.3.15
Dec 19 13:54:43.288 INFO [stderr]     Checking num_cpus v1.3.0
Dec 19 13:54:43.609 INFO [stderr]     Checking num-iter v0.1.33
Dec 19 13:54:43.609 INFO [stderr]     Checking num-rational v0.1.36
Dec 19 13:54:46.564 INFO [stderr]     Checking deque v0.3.1
Dec 19 13:54:48.166 INFO [stderr]     Checking rayon v0.7.0
Dec 19 13:54:48.354 INFO [stderr]     Checking png v0.6.2
Dec 19 13:54:50.726 INFO [stderr]     Checking jpeg-decoder v0.1.12
Dec 19 13:54:51.777 INFO [stderr]     Checking image v0.12.4
Dec 19 13:54:55.570 INFO [stderr]     Checking rsgb v0.1.0 (/opt/crater/workdir)
Dec 19 13:54:56.505 INFO [stderr] warning: unreachable pattern
Dec 19 13:54:56.505 INFO [stderr]    --> src/decoding.rs:598:17
Dec 19 13:54:56.506 INFO [stderr]     |
Dec 19 13:54:56.506 INFO [stderr] 598 |                 b => Err(format!("Improper instruction byte {:x} following 0xcb", b).into()),
Dec 19 13:54:56.506 INFO [stderr]     |                 ^
Dec 19 13:54:56.507 INFO [stderr]     |
Dec 19 13:54:56.507 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 19 13:54:56.507 INFO [stderr] 
Dec 19 13:54:57.225 INFO [stderr] warning: unreachable pattern
Dec 19 13:54:57.225 INFO [stderr]    --> src/decoding.rs:598:17
Dec 19 13:54:57.225 INFO [stderr]     |
Dec 19 13:54:57.225 INFO [stderr] 598 |                 b => Err(format!("Improper instruction byte {:x} following 0xcb", b).into()),
Dec 19 13:54:57.226 INFO [stderr]     |                 ^
Dec 19 13:54:57.226 INFO [stderr]     |
Dec 19 13:54:57.226 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 19 13:54:57.226 INFO [stderr] 
Dec 19 13:54:57.782 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 17.20s
Dec 19 13:54:58.462 INFO running `"docker" "inspect" "c574409155f5db0faa1a9618328bcbf6b1ee2c98600c757a19db364cb5322f4b"`
Dec 19 13:54:58.654 INFO running `"docker" "rm" "-f" "c574409155f5db0faa1a9618328bcbf6b1ee2c98600c757a19db364cb5322f4b"`
Dec 19 13:54:58.834 INFO [stdout] c574409155f5db0faa1a9618328bcbf6b1ee2c98600c757a19db364cb5322f4b