Sep 10 13:36:59.957 INFO checking oncemutex-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 13:36:59.957 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 13:36:59.957 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/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 13:37:00.144 INFO blam! 06a14ffae0b2c7000706c5475ee0f4e71443006e13c43988c2086b6366e76a70
Sep 10 13:37:00.146 INFO running `"docker" "start" "-a" "06a14ffae0b2c7000706c5475ee0f4e71443006e13c43988c2086b6366e76a70"`
Sep 10 13:37:01.157 INFO kablam! usermod: no changes
Sep 10 13:37:01.184 INFO kablam!     Checking oncemutex v0.1.1 (file:///source)
Sep 10 13:37:01.432 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 13:37:01.432 INFO kablam!   --> src/lib.rs:86:9
Sep 10 13:37:01.432 INFO kablam!    |
Sep 10 13:37:01.432 INFO kablam! 86 |         unsafe { self.data.into_inner() }
Sep 10 13:37:01.432 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Sep 10 13:37:01.432 INFO kablam!    |
Sep 10 13:37:01.432 INFO kablam! note: lint level defined here
Sep 10 13:37:01.432 INFO kablam!   --> src/lib.rs:1:23
Sep 10 13:37:01.432 INFO kablam!    |
Sep 10 13:37:01.432 INFO kablam! 1  | #![deny(missing_docs, warnings)]
Sep 10 13:37:01.432 INFO kablam!    |                       ^^^^^^^^
Sep 10 13:37:01.432 INFO kablam!    = note: #[warn(unused_unsafe)] implied by #[warn(warnings)]
Sep 10 13:37:01.432 INFO kablam! 
Sep 10 13:37:01.509 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 13:37:01.509 INFO kablam!   --> src/lib.rs:86:9
Sep 10 13:37:01.509 INFO kablam!    |
Sep 10 13:37:01.509 INFO kablam! 86 |         unsafe { self.data.into_inner() }
Sep 10 13:37:01.509 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Sep 10 13:37:01.509 INFO kablam!    |
Sep 10 13:37:01.509 INFO kablam! note: lint level defined here
Sep 10 13:37:01.509 INFO kablam!   --> src/lib.rs:1:23
Sep 10 13:37:01.509 INFO kablam!    |
Sep 10 13:37:01.509 INFO kablam! 1  | #![deny(missing_docs, warnings)]
Sep 10 13:37:01.509 INFO kablam!    |                       ^^^^^^^^
Sep 10 13:37:01.509 INFO kablam!    = note: #[warn(unused_unsafe)] implied by #[warn(warnings)]
Sep 10 13:37:01.509 INFO kablam! 
Sep 10 13:37:01.511 INFO kablam! warning: unused unary operation which must be used
Sep 10 13:37:01.511 INFO kablam!    --> src/lib.rs:199:9
Sep 10 13:37:01.511 INFO kablam!     |
Sep 10 13:37:01.511 INFO kablam! 199 |         *mutex;
Sep 10 13:37:01.511 INFO kablam!     |         ^^^^^^
Sep 10 13:37:01.511 INFO kablam!     |
Sep 10 13:37:01.511 INFO kablam! note: lint level defined here
Sep 10 13:37:01.511 INFO kablam!    --> src/lib.rs:1:23
Sep 10 13:37:01.511 INFO kablam!     |
Sep 10 13:37:01.511 INFO kablam! 1   | #![deny(missing_docs, warnings)]
Sep 10 13:37:01.511 INFO kablam!     |                       ^^^^^^^^
Sep 10 13:37:01.511 INFO kablam!     = note: #[warn(unused_must_use)] implied by #[warn(warnings)]
Sep 10 13:37:01.511 INFO kablam! 
Sep 10 13:37:01.524 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Sep 10 13:37:01.526 INFO kablam! su: No module specific data is present
Sep 10 13:37:02.091 INFO running `"docker" "rm" "-f" "06a14ffae0b2c7000706c5475ee0f4e71443006e13c43988c2086b6366e76a70"`
Sep 10 13:37:02.189 INFO blam! 06a14ffae0b2c7000706c5475ee0f4e71443006e13c43988c2086b6366e76a70