Dec 19 21:56:30.725 INFO checking Seeker14491/bbrot against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:56:30.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Seeker14491/bbrot:/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 21:56:31.040 INFO [stdout] 8b79053ccccd125a8e0693ec5fb36349f4b5e8016e68bf27fb972f8a9d3952e0
Dec 19 21:56:31.043 INFO running `"docker" "start" "-a" "8b79053ccccd125a8e0693ec5fb36349f4b5e8016e68bf27fb972f8a9d3952e0"`
Dec 19 21:56:31.976 INFO [stderr]     Checking rayon-core v1.2.1
Dec 19 21:56:31.976 INFO [stderr]     Checking num-bigint v0.1.39
Dec 19 21:56:31.981 INFO [stderr]     Checking png v0.8.0
Dec 19 21:56:31.981 INFO [stderr]     Checking backtrace v0.3.2
Dec 19 21:56:32.900 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 21:56:34.196 INFO [stderr]     Checking rayon v0.8.1
Dec 19 21:56:34.413 INFO [stderr]     Checking num-rational v0.1.38
Dec 19 21:56:35.384 INFO [stderr]     Checking num v0.1.39
Dec 19 21:56:36.630 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 19 21:56:37.709 INFO [stderr]     Checking image v0.14.0
Dec 19 21:56:41.335 INFO [stderr]     Checking bbrot-lib v0.0.1 (/opt/crater/workdir/bbrot-lib)
Dec 19 21:56:41.880 INFO [stderr] warning: method is never used: `new`
Dec 19 21:56:41.880 INFO [stderr]   --> bbrot-lib/src/bucket_field/nonatomic_bucket_field.rs:20:5
Dec 19 21:56:41.880 INFO [stderr]    |
Dec 19 21:56:41.880 INFO [stderr] 20 |     pub fn new(width: usize, height: usize) -> Self {
Dec 19 21:56:41.880 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:56:41.880 INFO [stderr]    |
Dec 19 21:56:41.880 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:56:41.880 INFO [stderr] 
Dec 19 21:56:41.880 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 21:56:41.880 INFO [stderr]  --> bbrot-lib/src/lib.rs:1:12
Dec 19 21:56:41.880 INFO [stderr]   |
Dec 19 21:56:41.880 INFO [stderr] 1 | #![feature(conservative_impl_trait, integer_atomics, try_from)]
Dec 19 21:56:41.880 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:56:41.880 INFO [stderr]   |
Dec 19 21:56:41.880 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 21:56:41.880 INFO [stderr] 
Dec 19 21:56:41.903 INFO [stderr]     Checking bbrot v0.1.0 (/opt/crater/workdir)
Dec 19 21:56:42.604 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.77s
Dec 19 21:56:43.276 INFO running `"docker" "inspect" "8b79053ccccd125a8e0693ec5fb36349f4b5e8016e68bf27fb972f8a9d3952e0"`
Dec 19 21:56:43.502 INFO running `"docker" "rm" "-f" "8b79053ccccd125a8e0693ec5fb36349f4b5e8016e68bf27fb972f8a9d3952e0"`
Dec 19 21:56:43.736 INFO [stdout] 8b79053ccccd125a8e0693ec5fb36349f4b5e8016e68bf27fb972f8a9d3952e0