Sep 21 01:46:43.680 INFO checking tiny-secp256k1-0.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 01:46:43.680 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 01:46:43.680 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 01:46:43.874 INFO blam! 0803784504e2f1bac01001b8109dd741f7fa44250f6d979ce38f8c32ed734d71
Sep 21 01:46:43.876 INFO running `"docker" "start" "-a" "0803784504e2f1bac01001b8109dd741f7fa44250f6d979ce38f8c32ed734d71"`
Sep 21 01:46:45.093 INFO kablam! usermod: no changes
Sep 21 01:46:45.179 INFO kablam!     Checking tiny-secp256k1 v0.1.0 (/source)
Sep 21 01:46:45.179 INFO kablam!    Compiling secp256k1 v0.6.3
Sep 21 01:46:45.180 INFO kablam!     Checking serde v0.6.15
Sep 21 01:46:45.637 INFO kablam! warning: unused return value of `core::ops::Mul::mul` which must be used
Sep 21 01:46:45.637 INFO kablam!    --> src/big_num.rs:281:4
Sep 21 01:46:45.637 INFO kablam!     |
Sep 21 01:46:45.637 INFO kablam! 281 |             self.mul(rhs.words[0]);
Sep 21 01:46:45.637 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 01:46:45.637 INFO kablam!     |
Sep 21 01:46:45.637 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 01:46:45.638 INFO kablam! 
Sep 21 01:46:47.721 INFO kablam!     Checking serde_json v0.6.1
Sep 21 01:46:49.825 INFO kablam! warning: unused return value of `core::ops::Mul::mul` which must be used
Sep 21 01:46:49.825 INFO kablam!    --> src/big_num.rs:281:4
Sep 21 01:46:49.825 INFO kablam!     |
Sep 21 01:46:49.825 INFO kablam! 281 |             self.mul(rhs.words[0]);
Sep 21 01:46:49.825 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 01:46:49.825 INFO kablam!     |
Sep 21 01:46:49.825 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 01:46:49.826 INFO kablam! 
Sep 21 01:46:49.859 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
Sep 21 01:46:49.863 INFO kablam! su: No module specific data is present
Sep 21 01:46:50.421 INFO running `"docker" "rm" "-f" "0803784504e2f1bac01001b8109dd741f7fa44250f6d979ce38f8c32ed734d71"`
Sep 21 01:46:50.502 INFO blam! 0803784504e2f1bac01001b8109dd741f7fa44250f6d979ce38f8c32ed734d71