Aug 31 20:53:40.626 INFO checking mvcc-0.0.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 20:53:40.626 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 20:53:40.626 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 20:53:40.795 INFO blam! 3b469ef7c2cf8ce9d07742ce3690042a13bc467cdd43501aacaedca96d95575c
Aug 31 20:53:40.796 INFO running `"docker" "start" "-a" "3b469ef7c2cf8ce9d07742ce3690042a13bc467cdd43501aacaedca96d95575c"`
Aug 31 20:53:41.613 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Aug 31 20:53:43.241 INFO kablam! warning: type alias is never used: `Delta`
Aug 31 20:53:43.241 INFO kablam!   --> src/lib.rs:58:1
Aug 31 20:53:43.241 INFO kablam!    |
Aug 31 20:53:43.241 INFO kablam! 58 | type Delta = Vec<u8>;
Aug 31 20:53:43.241 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:53:43.241 INFO kablam!    |
Aug 31 20:53:43.241 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 20:53:43.241 INFO kablam! 
Aug 31 20:53:43.264 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:53:43.264 INFO kablam!    --> src/db.rs:222:17
Aug 31 20:53:43.264 INFO kablam!     |
Aug 31 20:53:43.264 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Aug 31 20:53:43.264 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:53:43.264 INFO kablam!     |
Aug 31 20:53:43.264 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 20:53:43.264 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:53:43.264 INFO kablam! 
Aug 31 20:53:43.264 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:53:43.264 INFO kablam!    --> src/db.rs:225:17
Aug 31 20:53:43.264 INFO kablam!     |
Aug 31 20:53:43.264 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Aug 31 20:53:43.264 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:53:43.264 INFO kablam!     |
Aug 31 20:53:43.264 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:53:43.264 INFO kablam! 
Aug 31 20:53:43.318 INFO kablam! warning: type alias is never used: `Delta`
Aug 31 20:53:43.318 INFO kablam!   --> src/lib.rs:58:1
Aug 31 20:53:43.318 INFO kablam!    |
Aug 31 20:53:43.318 INFO kablam! 58 | type Delta = Vec<u8>;
Aug 31 20:53:43.318 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:53:43.318 INFO kablam!    |
Aug 31 20:53:43.318 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 20:53:43.318 INFO kablam! 
Aug 31 20:53:43.332 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:53:43.332 INFO kablam!    --> src/db.rs:222:17
Aug 31 20:53:43.333 INFO kablam!     |
Aug 31 20:53:43.333 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Aug 31 20:53:43.333 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:53:43.333 INFO kablam!     |
Aug 31 20:53:43.333 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 20:53:43.333 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:53:43.333 INFO kablam! 
Aug 31 20:53:43.333 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:53:43.333 INFO kablam!    --> src/db.rs:225:17
Aug 31 20:53:43.333 INFO kablam!     |
Aug 31 20:53:43.333 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Aug 31 20:53:43.333 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:53:43.333 INFO kablam!     |
Aug 31 20:53:43.333 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:53:43.333 INFO kablam! 
Aug 31 20:53:43.354 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
Aug 31 20:53:43.358 INFO kablam! su: No module specific data is present
Aug 31 20:53:43.751 INFO running `"docker" "rm" "-f" "3b469ef7c2cf8ce9d07742ce3690042a13bc467cdd43501aacaedca96d95575c"`
Aug 31 20:53:43.878 INFO blam! 3b469ef7c2cf8ce9d07742ce3690042a13bc467cdd43501aacaedca96d95575c