Oct 13 07:23:47.222 INFO checking tiny-secp256k1-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:23:47.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 07:23:47.677 INFO blam! 79920b67cd92e8d764c6aa92a8728263bb7163b322a72a9c7b7bf1e5561e0c8a
Oct 13 07:23:47.679 INFO running `"docker" "start" "-a" "79920b67cd92e8d764c6aa92a8728263bb7163b322a72a9c7b7bf1e5561e0c8a"`
Oct 13 07:23:48.823 INFO kablam! usermod: no changes
Oct 13 07:23:48.966 INFO kablam!     Checking tiny-secp256k1 v0.1.0 (/source)
Oct 13 07:23:48.969 INFO kablam!    Compiling secp256k1 v0.6.3
Oct 13 07:23:48.969 INFO kablam!     Checking serde v0.6.15
Oct 13 07:23:49.872 INFO kablam! warning: unused return value of `core::ops::Mul::mul` which must be used
Oct 13 07:23:49.872 INFO kablam!    --> src/big_num.rs:281:4
Oct 13 07:23:49.872 INFO kablam!     |
Oct 13 07:23:49.872 INFO kablam! 281 |             self.mul(rhs.words[0]);
Oct 13 07:23:49.872 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:23:49.872 INFO kablam!     |
Oct 13 07:23:49.872 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 07:23:49.872 INFO kablam! 
Oct 13 07:23:54.821 INFO kablam!     Checking serde_json v0.6.1
Oct 13 07:23:59.336 INFO kablam! warning: unused return value of `core::ops::Mul::mul` which must be used
Oct 13 07:23:59.336 INFO kablam!    --> src/big_num.rs:281:4
Oct 13 07:23:59.336 INFO kablam!     |
Oct 13 07:23:59.336 INFO kablam! 281 |             self.mul(rhs.words[0]);
Oct 13 07:23:59.336 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:23:59.336 INFO kablam!     |
Oct 13 07:23:59.336 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 07:23:59.336 INFO kablam! 
Oct 13 07:23:59.514 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.66s
Oct 13 07:23:59.526 INFO kablam! su: No module specific data is present
Oct 13 07:23:59.865 INFO running `"docker" "rm" "-f" "79920b67cd92e8d764c6aa92a8728263bb7163b322a72a9c7b7bf1e5561e0c8a"`
Oct 13 07:24:00.005 INFO blam! 79920b67cd92e8d764c6aa92a8728263bb7163b322a72a9c7b7bf1e5561e0c8a