Sep 10 14:16:52.055 INFO checking mvcc-0.0.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 14:16:52.055 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 14:16:52.055 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/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 14:16:52.202 INFO blam! d73f6d3bec05b453c96e82e1482c6d4266bc8fd55d36730c03c09b29256439ee
Sep 10 14:16:52.204 INFO running `"docker" "start" "-a" "d73f6d3bec05b453c96e82e1482c6d4266bc8fd55d36730c03c09b29256439ee"`
Sep 10 14:16:53.280 INFO kablam! usermod: no changes
Sep 10 14:16:53.336 INFO kablam!     Checking pagecache v0.4.5
Sep 10 14:16:56.277 INFO kablam!     Checking sled v0.15.17
Sep 10 14:16:57.625 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 10 14:16:58.454 INFO kablam! warning: type alias is never used: `Delta`
Sep 10 14:16:58.454 INFO kablam!   --> src/lib.rs:58:1
Sep 10 14:16:58.454 INFO kablam!    |
Sep 10 14:16:58.454 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 10 14:16:58.454 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:16:58.454 INFO kablam!    |
Sep 10 14:16:58.454 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 14:16:58.454 INFO kablam! 
Sep 10 14:16:58.454 INFO kablam! warning: type alias is never used: `Delta`
Sep 10 14:16:58.454 INFO kablam!   --> src/lib.rs:58:1
Sep 10 14:16:58.454 INFO kablam!    |
Sep 10 14:16:58.454 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 10 14:16:58.454 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:16:58.454 INFO kablam!    |
Sep 10 14:16:58.454 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 14:16:58.454 INFO kablam! 
Sep 10 14:16:58.472 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 14:16:58.472 INFO kablam!    --> src/db.rs:222:17
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 10 14:16:58.472 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 14:16:58.472 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 14:16:58.472 INFO kablam! 
Sep 10 14:16:58.472 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 14:16:58.472 INFO kablam!    --> src/db.rs:225:17
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 10 14:16:58.472 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 14:16:58.472 INFO kablam! 
Sep 10 14:16:58.472 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 14:16:58.472 INFO kablam!    --> src/db.rs:222:17
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 10 14:16:58.472 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 14:16:58.472 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 14:16:58.472 INFO kablam! 
Sep 10 14:16:58.472 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 14:16:58.472 INFO kablam!    --> src/db.rs:225:17
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 10 14:16:58.472 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:16:58.472 INFO kablam!     |
Sep 10 14:16:58.472 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 14:16:58.472 INFO kablam! 
Sep 10 14:16:58.534 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
Sep 10 14:16:58.539 INFO kablam! su: No module specific data is present
Sep 10 14:16:59.305 INFO running `"docker" "rm" "-f" "d73f6d3bec05b453c96e82e1482c6d4266bc8fd55d36730c03c09b29256439ee"`
Sep 10 14:16:59.415 INFO blam! d73f6d3bec05b453c96e82e1482c6d4266bc8fd55d36730c03c09b29256439ee