Dec 19 07:51:31.688 INFO checking sunjay/sudoku against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:51:31.688 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sunjay/sudoku:/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 07:51:32.043 INFO [stdout] 975b2b9b836b1b439788c06813052d0ec7467cba4cd1a53e61a22a53d187b7c6
Dec 19 07:51:32.046 INFO running `"docker" "start" "-a" "975b2b9b836b1b439788c06813052d0ec7467cba4cd1a53e61a22a53d187b7c6"`
Dec 19 07:51:33.546 INFO [stderr]    Compiling proc-macro2 v0.4.15
Dec 19 07:51:33.546 INFO [stderr]    Compiling version_check v0.1.4
Dec 19 07:51:33.546 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 19 07:51:33.546 INFO [stderr]    Compiling cc v1.0.23
Dec 19 07:51:33.567 INFO [stderr]    Compiling num-traits v0.2.5
Dec 19 07:51:33.567 INFO [stderr]     Checking libc v0.2.43
Dec 19 07:51:33.567 INFO [stderr]    Compiling ryu v0.2.6
Dec 19 07:51:33.567 INFO [stderr]    Compiling serde v1.0.75
Dec 19 07:51:39.948 INFO [stderr]    Compiling unicode-xid v0.0.4
Dec 19 07:51:39.959 INFO [stderr]    Compiling num-integer v0.1.39
Dec 19 07:51:40.059 INFO [stderr]    Compiling regex v1.0.4
Dec 19 07:51:40.092 INFO [stderr]    Compiling quote v0.3.15
Dec 19 07:51:40.116 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 19 07:51:40.332 INFO [stderr]     Checking ucd-util v0.1.1
Dec 19 07:51:40.336 INFO [stderr]     Checking unicode-width v0.1.5
Dec 19 07:51:40.557 INFO [stderr]     Checking either v1.5.0
Dec 19 07:51:45.496 INFO [stderr]     Checking itoa v0.4.2
Dec 19 07:51:45.588 INFO [stderr]     Checking byteorder v1.2.6
Dec 19 07:51:45.910 INFO [stderr]    Compiling pest v1.0.6
Dec 19 07:51:46.156 INFO [stderr]     Checking cfg-if v0.1.5
Dec 19 07:51:46.529 INFO [stderr]     Checking rustc-demangle v0.1.9
Dec 19 07:51:46.645 INFO [stderr]     Checking utf8-ranges v1.0.1
Dec 19 07:51:47.548 INFO [stderr]     Checking bitflags v1.0.4
Dec 19 07:51:48.020 INFO [stderr]     Checking thread-scoped v1.0.2
Dec 19 07:51:50.016 INFO [stderr]     Checking vec_map v0.8.1
Dec 19 07:51:50.470 INFO [stderr]     Checking same-file v1.0.3
Dec 19 07:51:50.496 INFO [stderr]     Checking cast v0.2.2
Dec 19 07:51:50.772 INFO [stderr]     Checking strsim v0.7.0
Dec 19 07:51:51.168 INFO [stderr]     Checking quick-error v1.2.2
Dec 19 07:51:51.948 INFO [stderr]     Checking ansi_term v0.11.0
Dec 19 07:51:51.948 INFO [stderr]     Checking sudoku v0.1.0 (/opt/crater/workdir)
Dec 19 07:51:51.948 INFO [stderr]     Checking memchr v2.0.2
Dec 19 07:51:52.382 INFO [stderr]     Checking time v0.1.40
Dec 19 07:51:52.500 INFO [stderr]     Checking num_cpus v1.8.0
Dec 19 07:51:53.288 INFO [stderr]     Checking atty v0.2.11
Dec 19 07:51:53.417 INFO [stderr]     Checking rand v0.4.3
Dec 19 07:51:54.330 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 19 07:51:54.418 INFO [stderr]    Compiling synom v0.11.3
Dec 19 07:51:54.502 INFO [stderr]     Checking textwrap v0.10.0
Dec 19 07:51:54.546 INFO [stderr]     Checking regex-syntax v0.6.2
Dec 19 07:51:55.165 INFO [stderr]     Checking itertools v0.7.8
Dec 19 07:51:57.580 INFO [stderr]     Checking log v0.4.4
Dec 19 07:51:57.906 INFO [stderr]     Checking term v0.5.1
Dec 19 07:51:59.740 INFO [stderr]     Checking walkdir v2.2.5
Dec 19 07:51:59.761 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 19 07:52:00.242 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 07:52:04.707 INFO [stderr]     Checking clap v2.32.0
Dec 19 07:52:05.684 INFO [stderr]    Compiling syn v0.11.11
Dec 19 07:52:11.269 INFO [stderr]     Checking criterion-plot v0.2.5
Dec 19 07:52:22.732 INFO [stderr]     Checking thread_local v0.3.6
Dec 19 07:52:23.159 INFO [stderr]     Checking itertools-num v0.1.2
Dec 19 07:52:24.156 INFO [stderr]     Checking criterion-stats v0.2.5
Dec 19 07:52:24.990 INFO [stderr]    Compiling backtrace-sys v0.1.24
Dec 19 07:52:41.104 INFO [stderr]     Checking chrono v0.4.6
Dec 19 07:52:56.669 INFO [stderr]    Compiling quote v0.6.8
Dec 19 07:52:58.180 INFO [stderr]     Checking simplelog v0.5.2
Dec 19 07:53:02.664 INFO [stderr]    Compiling pest_derive v1.0.8
Dec 19 07:53:04.346 INFO [stderr]    Compiling syn v0.14.9
Dec 19 07:53:04.389 INFO [stderr]     Checking serde_json v1.0.26
Dec 19 07:53:04.389 INFO [stderr]     Checking csv v1.0.1
Dec 19 07:53:12.163 INFO [stderr]     Checking backtrace v0.3.9
Dec 19 07:54:33.050 INFO [stderr]    Compiling synstructure v0.9.0
Dec 19 07:54:33.057 INFO [stderr]    Compiling serde_derive v1.0.75
Dec 19 07:54:47.112 INFO [stderr]     Checking handlebars v0.32.4
Dec 19 07:55:27.852 INFO [stderr]     Checking failure v0.1.2
Dec 19 07:55:58.567 INFO [stderr]     Checking criterion v0.2.5
Dec 19 07:56:02.888 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 4m 29s
Dec 19 07:56:03.784 INFO running `"docker" "inspect" "975b2b9b836b1b439788c06813052d0ec7467cba4cd1a53e61a22a53d187b7c6"`
Dec 19 07:56:03.974 INFO running `"docker" "rm" "-f" "975b2b9b836b1b439788c06813052d0ec7467cba4cd1a53e61a22a53d187b7c6"`
Dec 19 07:56:04.304 INFO [stdout] 975b2b9b836b1b439788c06813052d0ec7467cba4cd1a53e61a22a53d187b7c6