Sep 06 03:33:02.166 INFO checking mvcc-0.0.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:33:02.166 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:33:02.166 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:33:02.313 INFO blam! 9a30d637fe9699e4d1e0eed85bb619a60206a1ab0d5b2a6894bc3e431d6fe1e0
Sep 06 03:33:02.315 INFO running `"docker" "start" "-a" "9a30d637fe9699e4d1e0eed85bb619a60206a1ab0d5b2a6894bc3e431d6fe1e0"`
Sep 06 03:33:03.385 INFO kablam! usermod: no changes
Sep 06 03:33:03.436 INFO kablam!     Checking either v1.5.0
Sep 06 03:33:03.437 INFO kablam!     Checking crossbeam-utils v0.3.2
Sep 06 03:33:03.697 INFO kablam!     Checking crossbeam-epoch v0.4.3
Sep 06 03:33:03.724 INFO kablam!     Checking coco v0.2.1
Sep 06 03:33:04.094 INFO kablam!     Checking historian v3.0.4
Sep 06 03:33:04.378 INFO kablam!     Checking pagecache v0.4.5
Sep 06 03:33:07.414 INFO kablam!     Checking sled v0.15.17
Sep 06 03:33:08.601 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 06 03:33:09.374 INFO kablam! warning: type alias is never used: `Delta`
Sep 06 03:33:09.374 INFO kablam!   --> src/lib.rs:58:1
Sep 06 03:33:09.374 INFO kablam!    |
Sep 06 03:33:09.374 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 06 03:33:09.374 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:33:09.374 INFO kablam!    |
Sep 06 03:33:09.374 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 03:33:09.374 INFO kablam! 
Sep 06 03:33:09.383 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 03:33:09.384 INFO kablam!    --> src/db.rs:222:17
Sep 06 03:33:09.384 INFO kablam!     |
Sep 06 03:33:09.384 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 06 03:33:09.384 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:33:09.384 INFO kablam!     |
Sep 06 03:33:09.384 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 03:33:09.384 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 03:33:09.384 INFO kablam! 
Sep 06 03:33:09.384 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 03:33:09.384 INFO kablam!    --> src/db.rs:225:17
Sep 06 03:33:09.384 INFO kablam!     |
Sep 06 03:33:09.384 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 06 03:33:09.384 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:33:09.384 INFO kablam!     |
Sep 06 03:33:09.384 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 03:33:09.384 INFO kablam! 
Sep 06 03:33:09.434 INFO kablam! warning: type alias is never used: `Delta`
Sep 06 03:33:09.434 INFO kablam!   --> src/lib.rs:58:1
Sep 06 03:33:09.434 INFO kablam!    |
Sep 06 03:33:09.434 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 06 03:33:09.434 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:33:09.434 INFO kablam!    |
Sep 06 03:33:09.434 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 03:33:09.434 INFO kablam! 
Sep 06 03:33:09.443 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 03:33:09.443 INFO kablam!    --> src/db.rs:222:17
Sep 06 03:33:09.443 INFO kablam!     |
Sep 06 03:33:09.443 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 06 03:33:09.443 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:33:09.443 INFO kablam!     |
Sep 06 03:33:09.443 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 03:33:09.443 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 03:33:09.443 INFO kablam! 
Sep 06 03:33:09.443 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 03:33:09.443 INFO kablam!    --> src/db.rs:225:17
Sep 06 03:33:09.443 INFO kablam!     |
Sep 06 03:33:09.443 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 06 03:33:09.443 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:33:09.443 INFO kablam!     |
Sep 06 03:33:09.443 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 03:33:09.443 INFO kablam! 
Sep 06 03:33:09.465 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
Sep 06 03:33:09.468 INFO kablam! su: No module specific data is present
Sep 06 03:33:09.948 INFO running `"docker" "rm" "-f" "9a30d637fe9699e4d1e0eed85bb619a60206a1ab0d5b2a6894bc3e431d6fe1e0"`
Sep 06 03:33:10.054 INFO blam! 9a30d637fe9699e4d1e0eed85bb619a60206a1ab0d5b2a6894bc3e431d6fe1e0