Dec 05 03:43:45.752 INFO checking 29rou/c-som against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:43:45.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 03:43:46.363 INFO [stdout] c562987dd344a7d205772756bbb5faf2646c2516e504865fa2ec171c3c53564b
Dec 05 03:43:46.369 INFO running `"docker" "start" "-a" "c562987dd344a7d205772756bbb5faf2646c2516e504865fa2ec171c3c53564b"`
Dec 05 03:43:47.954 INFO [stderr] usermod: no changes
Dec 05 03:43:47.999 INFO [stderr] warning: `panic` setting is ignored for `test` profile
Dec 05 03:43:48.107 INFO [stderr]     Checking libc v0.2.40
Dec 05 03:43:48.107 INFO [stderr]     Checking num-traits v0.2.2
Dec 05 03:43:48.107 INFO [stderr]    Compiling typenum v1.10.0
Dec 05 03:43:48.107 INFO [stderr]     Checking rustc-serialize v0.3.24
Dec 05 03:43:48.107 INFO [stderr]     Checking either v1.5.0
Dec 05 03:43:51.447 INFO [stderr]     Checking itertools v0.7.8
Dec 05 03:43:57.603 INFO [stderr]     Checking rand v0.4.2
Dec 05 03:44:01.815 INFO [stderr]     Checking num-integer v0.1.36
Dec 05 03:44:04.614 INFO [stderr]     Checking num-iter v0.1.35
Dec 05 03:44:05.871 INFO [stderr]     Checking generic-array v0.11.0
Dec 05 03:44:07.847 INFO [stderr]     Checking num-bigint v0.1.43
Dec 05 03:44:07.847 INFO [stderr]     Checking num-complex v0.1.43
Dec 05 03:44:10.707 INFO [stderr]     Checking num-rational v0.1.42
Dec 05 03:44:12.215 INFO [stderr]     Checking num v0.1.42
Dec 05 03:44:13.000 INFO [stderr]     Checking c-som v0.1.0 (/source)
Dec 05 03:44:15.963 INFO [stderr] warning: unused imports: `U0`, `U10000`, `U100`, `U16`, `U17`, `U1`, `U20`, `U2`, `U32`, `U3`, `U4`, `U5`, `U6`
Dec 05 03:44:15.963 INFO [stderr]  --> src/main.rs:9:25
Dec 05 03:44:15.963 INFO [stderr]   |
Dec 05 03:44:15.963 INFO [stderr] 9 |     use self::typenum::{U0, U1, U2, U3, U4, U5, U6, U10, U16, U17, U20, U32, U100, U10000};
Dec 05 03:44:15.963 INFO [stderr]   |                         ^^  ^^  ^^  ^^  ^^  ^^  ^^       ^^^  ^^^  ^^^  ^^^  ^^^^  ^^^^^^
Dec 05 03:44:15.963 INFO [stderr]   |
Dec 05 03:44:15.963 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:44:15.963 INFO [stderr] 
Dec 05 03:44:16.243 INFO [stderr] warning: unused imports: `U0`, `U10000`, `U100`, `U16`, `U17`, `U1`, `U20`, `U2`, `U32`, `U3`, `U4`, `U5`, `U6`
Dec 05 03:44:16.243 INFO [stderr]  --> src/main.rs:9:25
Dec 05 03:44:16.243 INFO [stderr]   |
Dec 05 03:44:16.243 INFO [stderr] 9 |     use self::typenum::{U0, U1, U2, U3, U4, U5, U6, U10, U16, U17, U20, U32, U100, U10000};
Dec 05 03:44:16.243 INFO [stderr]   |                         ^^  ^^  ^^  ^^  ^^  ^^  ^^       ^^^  ^^^  ^^^  ^^^  ^^^^  ^^^^^^
Dec 05 03:44:16.243 INFO [stderr]   |
Dec 05 03:44:16.243 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:44:16.243 INFO [stderr] 
Dec 05 03:44:16.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.33s
Dec 05 03:44:16.314 INFO [stderr] su: No module specific data is present
Dec 05 03:44:16.773 INFO running `"docker" "inspect" "c562987dd344a7d205772756bbb5faf2646c2516e504865fa2ec171c3c53564b"`
Dec 05 03:44:16.967 INFO running `"docker" "rm" "-f" "c562987dd344a7d205772756bbb5faf2646c2516e504865fa2ec171c3c53564b"`
Dec 05 03:44:17.110 INFO [stdout] c562987dd344a7d205772756bbb5faf2646c2516e504865fa2ec171c3c53564b