Dec 12 17:39:30.711 INFO checking bigint2-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:39:30.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 17:39:31.278 INFO [stdout] 296d848b796c30a1f6a6eb90108d5c87fbe48563b6e26bd85c015942c5b86fa0
Dec 12 17:39:31.280 INFO running `"docker" "start" "-a" "296d848b796c30a1f6a6eb90108d5c87fbe48563b6e26bd85c015942c5b86fa0"`
Dec 12 17:39:32.504 INFO [stderr] usermod: no changes
Dec 12 17:39:32.588 INFO [stderr]    Compiling heapsize v0.3.9
Dec 12 17:39:34.867 INFO [stderr]     Checking elastic-array v0.7.0
Dec 12 17:39:36.091 INFO [stderr]     Checking rlp2 v0.2.0
Dec 12 17:39:37.479 INFO [stderr]     Checking bigint2 v0.1.0 (/source)
Dec 12 17:39:39.486 INFO [stderr] warning: constant item is never used: `ZERO_BIG_DIGIT`
Dec 12 17:39:39.486 INFO [stderr]   --> src/algorithms.rs:31:5
Dec 12 17:39:39.486 INFO [stderr]    |
Dec 12 17:39:39.486 INFO [stderr] 31 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
Dec 12 17:39:39.486 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:39:39.486 INFO [stderr]    |
Dec 12 17:39:39.486 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 17:39:39.486 INFO [stderr] 
Dec 12 17:39:39.486 INFO [stderr] warning: function is never used: `to_doublebigdigit`
Dec 12 17:39:39.486 INFO [stderr]   --> src/algorithms.rs:56:5
Dec 12 17:39:39.486 INFO [stderr]    |
Dec 12 17:39:39.486 INFO [stderr] 56 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
Dec 12 17:39:39.486 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:39:39.487 INFO [stderr] 
Dec 12 17:39:39.568 INFO [stderr] warning: constant item is never used: `ZERO_BIG_DIGIT`
Dec 12 17:39:39.568 INFO [stderr]   --> src/algorithms.rs:31:5
Dec 12 17:39:39.568 INFO [stderr]    |
Dec 12 17:39:39.568 INFO [stderr] 31 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
Dec 12 17:39:39.568 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:39:39.568 INFO [stderr]    |
Dec 12 17:39:39.568 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 17:39:39.568 INFO [stderr] 
Dec 12 17:39:39.568 INFO [stderr] warning: function is never used: `to_doublebigdigit`
Dec 12 17:39:39.568 INFO [stderr]   --> src/algorithms.rs:56:5
Dec 12 17:39:39.568 INFO [stderr]    |
Dec 12 17:39:39.568 INFO [stderr] 56 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
Dec 12 17:39:39.568 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:39:39.568 INFO [stderr] 
Dec 12 17:39:39.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.03s
Dec 12 17:39:39.568 INFO [stderr] su: No module specific data is present
Dec 12 17:39:40.352 INFO running `"docker" "inspect" "296d848b796c30a1f6a6eb90108d5c87fbe48563b6e26bd85c015942c5b86fa0"`
Dec 12 17:39:40.630 INFO running `"docker" "rm" "-f" "296d848b796c30a1f6a6eb90108d5c87fbe48563b6e26bd85c015942c5b86fa0"`
Dec 12 17:39:41.040 INFO [stdout] 296d848b796c30a1f6a6eb90108d5c87fbe48563b6e26bd85c015942c5b86fa0