Dec 19 07:12:58.785 INFO checking thinkbeard/txtr against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:12:58.785 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/thinkbeard/txtr:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:12:59.170 INFO [stdout] 436c4cd3bf957c9ed5bae5f4b99aefd73eb9277005e02c7adad69bf7b678bb9c
Dec 19 07:12:59.176 INFO running `"docker" "start" "-a" "436c4cd3bf957c9ed5bae5f4b99aefd73eb9277005e02c7adad69bf7b678bb9c"`
Dec 19 07:13:01.174 INFO [stderr]    Compiling num-derive v0.2.3
Dec 19 07:13:01.182 INFO [stderr]    Compiling num-bigint v0.2.1
Dec 19 07:13:01.190 INFO [stderr]    Compiling num-complex v0.2.1
Dec 19 07:13:01.192 INFO [stderr]    Compiling num-rational v0.2.1
Dec 19 07:13:01.194 INFO [stderr]     Checking custom_derive v0.1.7
Dec 19 07:13:01.194 INFO [stderr]     Checking serde v1.0.23
Dec 19 07:13:01.206 INFO [stderr]     Checking arrayvec v0.4.6
Dec 19 07:13:01.213 INFO [stderr]     Checking num_cpus v1.7.0
Dec 19 07:13:04.209 INFO [stderr]     Checking atty v0.2.11
Dec 19 07:13:04.222 INFO [stderr]     Checking rand v0.4.3
Dec 19 07:13:04.246 INFO [stderr]     Checking inflate v0.4.3
Dec 19 07:13:04.724 INFO [stderr]     Checking stb_truetype v0.2.4
Dec 19 07:13:05.337 INFO [stderr]     Checking gif v0.10.1
Dec 19 07:13:05.365 INFO [stderr]     Checking itertools v0.7.8
Dec 19 07:13:05.393 INFO [stderr]     Checking conv v0.3.3
Dec 19 07:13:07.392 INFO [stderr]     Checking ordered-float v0.5.2
Dec 19 07:13:09.869 INFO [stderr]     Checking num-integer v0.1.39
Dec 19 07:13:10.188 INFO [stderr]     Checking regex v1.0.2
Dec 19 07:13:10.261 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 07:13:12.919 INFO [stderr]    Compiling syn v0.15.18
Dec 19 07:13:13.970 INFO [stderr]     Checking rusttype v0.5.2
Dec 19 07:13:14.481 INFO [stderr]    Compiling serde_derive v1.0.23
Dec 19 07:13:15.098 INFO [stderr]     Checking num-iter v0.1.37
Dec 19 07:13:18.117 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 07:13:20.314 INFO [stderr]     Checking png v0.12.0
Dec 19 07:13:20.432 INFO [stderr]     Checking rayon-core v1.4.1
Dec 19 07:13:24.990 INFO [stderr]     Checking rayon v0.8.2
Dec 19 07:13:24.992 INFO [stderr]     Checking rayon v1.0.3
Dec 19 07:13:27.384 INFO [stderr]     Checking env_logger v0.5.12
Dec 19 07:13:30.903 INFO [stderr]     Checking quickcheck v0.6.2
Dec 19 07:13:45.991 INFO [stderr]     Checking num v0.2.0
Dec 19 07:13:46.101 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 19 07:13:49.366 INFO [stderr]     Checking docopt v0.8.1
Dec 19 07:13:54.599 INFO [stderr]     Checking tiff v0.2.1
Dec 19 07:13:55.294 INFO [stderr]     Checking image v0.20.1
Dec 19 07:13:59.720 INFO [stderr]     Checking imageproc v0.16.0
Dec 19 07:14:02.262 INFO [stderr]     Checking txtr v1.0.0 (/opt/crater/workdir)
Dec 19 07:14:03.040 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
Dec 19 07:14:03.566 INFO running `"docker" "inspect" "436c4cd3bf957c9ed5bae5f4b99aefd73eb9277005e02c7adad69bf7b678bb9c"`
Dec 19 07:14:03.820 INFO running `"docker" "rm" "-f" "436c4cd3bf957c9ed5bae5f4b99aefd73eb9277005e02c7adad69bf7b678bb9c"`
Dec 19 07:14:04.056 INFO [stdout] 436c4cd3bf957c9ed5bae5f4b99aefd73eb9277005e02c7adad69bf7b678bb9c