Sep 01 13:28:11.346 INFO checking mvcc-0.0.1 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 13:28:11.346 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 13:28:11.346 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:28:11.543 INFO blam! 24498da49c7ce685bdcb87eddc3ae4b127f39b2d49573687c03c17f8e54c94a4
Sep 01 13:28:11.545 INFO running `"docker" "start" "-a" "24498da49c7ce685bdcb87eddc3ae4b127f39b2d49573687c03c17f8e54c94a4"`
Sep 01 13:28:12.493 INFO kablam!     Checking pagecache v0.4.5
Sep 01 13:28:18.479 INFO kablam!     Checking sled v0.15.17
Sep 01 13:28:21.317 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 01 13:28:22.995 INFO kablam! warning: type alias is never used: `Delta`
Sep 01 13:28:22.995 INFO kablam!   --> src/lib.rs:58:1
Sep 01 13:28:22.995 INFO kablam!    |
Sep 01 13:28:22.995 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 01 13:28:22.995 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:22.995 INFO kablam!    |
Sep 01 13:28:22.995 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 13:28:22.995 INFO kablam! 
Sep 01 13:28:23.019 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:23.019 INFO kablam!    --> src/db.rs:222:17
Sep 01 13:28:23.019 INFO kablam!     |
Sep 01 13:28:23.019 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 01 13:28:23.019 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:23.019 INFO kablam!     |
Sep 01 13:28:23.019 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 13:28:23.019 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:23.019 INFO kablam! 
Sep 01 13:28:23.019 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:23.019 INFO kablam!    --> src/db.rs:225:17
Sep 01 13:28:23.019 INFO kablam!     |
Sep 01 13:28:23.019 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 01 13:28:23.019 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:23.019 INFO kablam!     |
Sep 01 13:28:23.019 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:23.019 INFO kablam! 
Sep 01 13:28:23.020 INFO kablam! warning: type alias is never used: `Delta`
Sep 01 13:28:23.020 INFO kablam!   --> src/lib.rs:58:1
Sep 01 13:28:23.020 INFO kablam!    |
Sep 01 13:28:23.020 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 01 13:28:23.020 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:23.020 INFO kablam!    |
Sep 01 13:28:23.020 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 13:28:23.020 INFO kablam! 
Sep 01 13:28:23.041 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:23.041 INFO kablam!    --> src/db.rs:222:17
Sep 01 13:28:23.041 INFO kablam!     |
Sep 01 13:28:23.041 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 01 13:28:23.041 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:23.041 INFO kablam!     |
Sep 01 13:28:23.042 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 13:28:23.042 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:23.042 INFO kablam! 
Sep 01 13:28:23.042 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 13:28:23.042 INFO kablam!    --> src/db.rs:225:17
Sep 01 13:28:23.042 INFO kablam!     |
Sep 01 13:28:23.042 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 01 13:28:23.042 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:28:23.042 INFO kablam!     |
Sep 01 13:28:23.042 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 13:28:23.042 INFO kablam! 
Sep 01 13:28:23.065 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.65s
Sep 01 13:28:23.070 INFO kablam! su: No module specific data is present
Sep 01 13:28:23.581 INFO running `"docker" "rm" "-f" "24498da49c7ce685bdcb87eddc3ae4b127f39b2d49573687c03c17f8e54c94a4"`
Sep 01 13:28:23.686 INFO blam! 24498da49c7ce685bdcb87eddc3ae4b127f39b2d49573687c03c17f8e54c94a4