Sep 01 13:28:11.409 INFO checking mvcc-0.0.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 13:28:11.409 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 13:28:11.409 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:28:11.582 INFO blam! 0c81aedd649b1109fc90744cfa403a0e8377262676c1ed1a4fe4d118dd9b20d3
Sep 01 13:28:11.583 INFO running `"docker" "start" "-a" "0c81aedd649b1109fc90744cfa403a0e8377262676c1ed1a4fe4d118dd9b20d3"`
Sep 01 13:28:12.459 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 01 13:28:14.168 INFO kablam! warning: type alias is never used: `Delta`
Sep 01 13:28:14.168 INFO kablam!   --> src/lib.rs:58:1
Sep 01 13:28:14.168 INFO kablam!    |
Sep 01 13:28:14.168 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 01 13:28:14.168 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:14.168 INFO kablam!    |
Sep 01 13:28:14.168 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 13:28:14.168 INFO kablam! 
Sep 01 13:28:14.181 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:14.181 INFO kablam!    --> src/db.rs:222:17
Sep 01 13:28:14.181 INFO kablam!     |
Sep 01 13:28:14.181 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 01 13:28:14.181 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:14.181 INFO kablam!     |
Sep 01 13:28:14.181 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 13:28:14.181 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:14.181 INFO kablam! 
Sep 01 13:28:14.181 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:14.181 INFO kablam!    --> src/db.rs:225:17
Sep 01 13:28:14.181 INFO kablam!     |
Sep 01 13:28:14.181 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 01 13:28:14.181 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:14.181 INFO kablam!     |
Sep 01 13:28:14.181 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:14.181 INFO kablam! 
Sep 01 13:28:14.349 INFO kablam! warning: type alias is never used: `Delta`
Sep 01 13:28:14.349 INFO kablam!   --> src/lib.rs:58:1
Sep 01 13:28:14.349 INFO kablam!    |
Sep 01 13:28:14.349 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 01 13:28:14.349 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:14.349 INFO kablam!    |
Sep 01 13:28:14.349 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 13:28:14.349 INFO kablam! 
Sep 01 13:28:14.369 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:14.369 INFO kablam!    --> src/db.rs:222:17
Sep 01 13:28:14.369 INFO kablam!     |
Sep 01 13:28:14.369 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 01 13:28:14.369 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:14.369 INFO kablam!     |
Sep 01 13:28:14.369 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 13:28:14.369 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:14.369 INFO kablam! 
Sep 01 13:28:14.369 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:14.369 INFO kablam!    --> src/db.rs:225:17
Sep 01 13:28:14.369 INFO kablam!     |
Sep 01 13:28:14.369 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 01 13:28:14.369 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:14.369 INFO kablam!     |
Sep 01 13:28:14.369 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:14.369 INFO kablam! 
Sep 01 13:28:14.387 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Sep 01 13:28:14.391 INFO kablam! su: No module specific data is present
Sep 01 13:28:14.818 INFO running `"docker" "rm" "-f" "0c81aedd649b1109fc90744cfa403a0e8377262676c1ed1a4fe4d118dd9b20d3"`
Sep 01 13:28:14.900 INFO blam! 0c81aedd649b1109fc90744cfa403a0e8377262676c1ed1a4fe4d118dd9b20d3