Sep 21 06:45:56.176 INFO checking mvcc-0.0.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 06:45:56.176 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 06:45:56.176 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/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 06:45:56.321 INFO blam! 937a9f03e6ea53b1ff05b8aed92827a7c63dd1e5ad2dc3254247540cb8398b06
Sep 21 06:45:56.323 INFO running `"docker" "start" "-a" "937a9f03e6ea53b1ff05b8aed92827a7c63dd1e5ad2dc3254247540cb8398b06"`
Sep 21 06:45:57.461 INFO kablam! usermod: no changes
Sep 21 06:45:57.535 INFO kablam!     Checking sled v0.15.17
Sep 21 06:45:58.663 INFO kablam!     Checking mvcc v0.0.1 (/source)
Sep 21 06:45:59.356 INFO kablam! warning: type alias is never used: `Delta`
Sep 21 06:45:59.356 INFO kablam!   --> src/lib.rs:58:1
Sep 21 06:45:59.356 INFO kablam!    |
Sep 21 06:45:59.356 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 21 06:45:59.356 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.356 INFO kablam!    |
Sep 21 06:45:59.356 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 06:45:59.356 INFO kablam! 
Sep 21 06:45:59.366 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.366 INFO kablam!    --> src/db.rs:222:17
Sep 21 06:45:59.366 INFO kablam!     |
Sep 21 06:45:59.366 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 21 06:45:59.366 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.366 INFO kablam!     |
Sep 21 06:45:59.366 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 06:45:59.366 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.366 INFO kablam! 
Sep 21 06:45:59.371 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.371 INFO kablam!    --> src/db.rs:225:17
Sep 21 06:45:59.371 INFO kablam!     |
Sep 21 06:45:59.371 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 21 06:45:59.371 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.371 INFO kablam!     |
Sep 21 06:45:59.371 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.371 INFO kablam! 
Sep 21 06:45:59.391 INFO kablam! warning: type alias is never used: `Delta`
Sep 21 06:45:59.391 INFO kablam!   --> src/lib.rs:58:1
Sep 21 06:45:59.391 INFO kablam!    |
Sep 21 06:45:59.391 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 21 06:45:59.391 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.391 INFO kablam!    |
Sep 21 06:45:59.391 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 06:45:59.391 INFO kablam! 
Sep 21 06:45:59.400 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.400 INFO kablam!    --> src/db.rs:222:17
Sep 21 06:45:59.400 INFO kablam!     |
Sep 21 06:45:59.400 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 21 06:45:59.400 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.400 INFO kablam!     |
Sep 21 06:45:59.400 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 06:45:59.400 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.400 INFO kablam! 
Sep 21 06:45:59.400 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.400 INFO kablam!    --> src/db.rs:225:17
Sep 21 06:45:59.400 INFO kablam!     |
Sep 21 06:45:59.400 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 21 06:45:59.400 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.400 INFO kablam!     |
Sep 21 06:45:59.400 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.400 INFO kablam! 
Sep 21 06:45:59.414 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Sep 21 06:45:59.419 INFO kablam! su: No module specific data is present
Sep 21 06:46:00.433 INFO running `"docker" "rm" "-f" "937a9f03e6ea53b1ff05b8aed92827a7c63dd1e5ad2dc3254247540cb8398b06"`
Sep 21 06:46:00.486 INFO blam! 937a9f03e6ea53b1ff05b8aed92827a7c63dd1e5ad2dc3254247540cb8398b06