Sep 10 07:46:26.455 INFO checking tiny-secp256k1-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 07:46:26.455 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 07:46:26.455 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:46:26.631 INFO blam! 28a9f534d2f5150fc57bf8218b35cf6d59c5637b51101d6064b3d7ae02e7c51d
Sep 10 07:46:26.633 INFO running `"docker" "start" "-a" "28a9f534d2f5150fc57bf8218b35cf6d59c5637b51101d6064b3d7ae02e7c51d"`
Sep 10 07:46:27.710 INFO kablam! usermod: no changes
Sep 10 07:46:27.796 INFO kablam!     Checking tiny-secp256k1 v0.1.0 (file:///source)
Sep 10 07:46:27.797 INFO kablam!    Compiling secp256k1 v0.6.3
Sep 10 07:46:27.800 INFO kablam!     Checking serde v0.6.15
Sep 10 07:46:28.335 INFO kablam! warning: unused return value of `core::ops::Mul::mul` which must be used
Sep 10 07:46:28.335 INFO kablam!    --> src/big_num.rs:281:4
Sep 10 07:46:28.335 INFO kablam!     |
Sep 10 07:46:28.335 INFO kablam! 281 |             self.mul(rhs.words[0]);
Sep 10 07:46:28.335 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 07:46:28.335 INFO kablam!     |
Sep 10 07:46:28.335 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 07:46:28.335 INFO kablam! 
Sep 10 07:46:30.515 INFO kablam!     Checking serde_json v0.6.1
Sep 10 07:46:33.349 INFO kablam! warning: unused return value of `core::ops::Mul::mul` which must be used
Sep 10 07:46:33.349 INFO kablam!    --> src/big_num.rs:281:4
Sep 10 07:46:33.349 INFO kablam!     |
Sep 10 07:46:33.349 INFO kablam! 281 |             self.mul(rhs.words[0]);
Sep 10 07:46:33.349 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 07:46:33.349 INFO kablam!     |
Sep 10 07:46:33.349 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 07:46:33.349 INFO kablam! 
Sep 10 07:46:33.398 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.67s
Sep 10 07:46:33.403 INFO kablam! su: No module specific data is present
Sep 10 07:46:34.158 INFO running `"docker" "rm" "-f" "28a9f534d2f5150fc57bf8218b35cf6d59c5637b51101d6064b3d7ae02e7c51d"`
Sep 10 07:46:34.279 INFO blam! 28a9f534d2f5150fc57bf8218b35cf6d59c5637b51101d6064b3d7ae02e7c51d