Dec 11 10:07:26.678 INFO checking savil/simplicity-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 10:07:26.678 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 10:07:27.133 INFO [stdout] 75a59d3d3c83d61a0358583f361cc4405b9894847f595573eb8584c465ade924
Dec 11 10:07:27.138 INFO running `"docker" "start" "-a" "75a59d3d3c83d61a0358583f361cc4405b9894847f595573eb8584c465ade924"`
Dec 11 10:07:29.044 INFO [stderr] usermod: no changes
Dec 11 10:07:29.133 INFO [stderr]     Checking either v1.5.0
Dec 11 10:07:29.580 INFO [stderr]     Checking simplicity-rust v0.1.0 (/source)
Dec 11 10:07:29.844 INFO [stderr] warning: type alias is never used: `Word2`
Dec 11 10:07:29.845 INFO [stderr]   --> src/main.rs:10:1
Dec 11 10:07:29.845 INFO [stderr]    |
Dec 11 10:07:29.845 INFO [stderr] 10 | type Word2 = (Bit, Bit);
Dec 11 10:07:29.845 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:29.845 INFO [stderr]    |
Dec 11 10:07:29.845 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 10:07:29.845 INFO [stderr] 
Dec 11 10:07:29.845 INFO [stderr] warning: type alias is never used: `Word4`
Dec 11 10:07:29.845 INFO [stderr]   --> src/main.rs:11:1
Dec 11 10:07:29.845 INFO [stderr]    |
Dec 11 10:07:29.845 INFO [stderr] 11 | type Word4 = (Word2, Word2);
Dec 11 10:07:29.845 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:29.845 INFO [stderr] 
Dec 11 10:07:29.845 INFO [stderr] warning: type alias is never used: `Word8`
Dec 11 10:07:29.845 INFO [stderr]   --> src/main.rs:12:1
Dec 11 10:07:29.845 INFO [stderr]    |
Dec 11 10:07:29.845 INFO [stderr] 12 | type Word8 = (Word4, Word4);
Dec 11 10:07:29.845 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:29.845 INFO [stderr] 
Dec 11 10:07:30.173 INFO [stderr] warning: type alias is never used: `Word2`
Dec 11 10:07:30.173 INFO [stderr]   --> src/main.rs:10:1
Dec 11 10:07:30.173 INFO [stderr]    |
Dec 11 10:07:30.173 INFO [stderr] 10 | type Word2 = (Bit, Bit);
Dec 11 10:07:30.173 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:30.173 INFO [stderr]    |
Dec 11 10:07:30.173 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 10:07:30.173 INFO [stderr] 
Dec 11 10:07:30.173 INFO [stderr] warning: type alias is never used: `Word4`
Dec 11 10:07:30.173 INFO [stderr]   --> src/main.rs:11:1
Dec 11 10:07:30.173 INFO [stderr]    |
Dec 11 10:07:30.173 INFO [stderr] 11 | type Word4 = (Word2, Word2);
Dec 11 10:07:30.173 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:30.173 INFO [stderr] 
Dec 11 10:07:30.173 INFO [stderr] warning: type alias is never used: `Word8`
Dec 11 10:07:30.173 INFO [stderr]   --> src/main.rs:12:1
Dec 11 10:07:30.173 INFO [stderr]    |
Dec 11 10:07:30.173 INFO [stderr] 12 | type Word8 = (Word4, Word4);
Dec 11 10:07:30.173 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:30.173 INFO [stderr] 
Dec 11 10:07:30.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 11 10:07:30.204 INFO [stderr] su: No module specific data is present
Dec 11 10:07:30.820 INFO running `"docker" "inspect" "75a59d3d3c83d61a0358583f361cc4405b9894847f595573eb8584c465ade924"`
Dec 11 10:07:31.103 INFO running `"docker" "rm" "-f" "75a59d3d3c83d61a0358583f361cc4405b9894847f595573eb8584c465ade924"`
Dec 11 10:07:31.560 INFO [stdout] 75a59d3d3c83d61a0358583f361cc4405b9894847f595573eb8584c465ade924