Sep 14 12:53:06.158 INFO checking mvcc-0.0.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 12:53:06.158 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 12:53:06.158 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:53:06.503 INFO blam! 1d753047b088fc3e7b92842dbb0a643b39b34982f7a9ab142e6843279515da3a
Sep 14 12:53:06.508 INFO running `"docker" "start" "-a" "1d753047b088fc3e7b92842dbb0a643b39b34982f7a9ab142e6843279515da3a"`
Sep 14 12:53:07.455 INFO kablam! usermod: no changes
Sep 14 12:53:07.535 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 14 12:53:08.523 INFO kablam! warning: type alias is never used: `Delta`
Sep 14 12:53:08.523 INFO kablam!   --> src/lib.rs:58:1
Sep 14 12:53:08.523 INFO kablam!    |
Sep 14 12:53:08.523 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 14 12:53:08.523 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:08.523 INFO kablam!    |
Sep 14 12:53:08.523 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 12:53:08.523 INFO kablam! 
Sep 14 12:53:08.540 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:08.540 INFO kablam!    --> src/db.rs:222:17
Sep 14 12:53:08.540 INFO kablam!     |
Sep 14 12:53:08.540 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 14 12:53:08.540 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:08.540 INFO kablam!     |
Sep 14 12:53:08.540 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 12:53:08.540 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:08.540 INFO kablam! 
Sep 14 12:53:08.540 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:08.540 INFO kablam!    --> src/db.rs:225:17
Sep 14 12:53:08.540 INFO kablam!     |
Sep 14 12:53:08.540 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 14 12:53:08.540 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:08.540 INFO kablam!     |
Sep 14 12:53:08.540 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:08.540 INFO kablam! 
Sep 14 12:53:08.654 INFO kablam! warning: type alias is never used: `Delta`
Sep 14 12:53:08.654 INFO kablam!   --> src/lib.rs:58:1
Sep 14 12:53:08.654 INFO kablam!    |
Sep 14 12:53:08.654 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 14 12:53:08.654 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:08.654 INFO kablam!    |
Sep 14 12:53:08.654 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 12:53:08.654 INFO kablam! 
Sep 14 12:53:08.679 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:08.679 INFO kablam!    --> src/db.rs:222:17
Sep 14 12:53:08.679 INFO kablam!     |
Sep 14 12:53:08.679 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 14 12:53:08.679 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:08.679 INFO kablam!     |
Sep 14 12:53:08.679 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 12:53:08.679 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:08.679 INFO kablam! 
Sep 14 12:53:08.679 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:08.679 INFO kablam!    --> src/db.rs:225:17
Sep 14 12:53:08.679 INFO kablam!     |
Sep 14 12:53:08.679 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 14 12:53:08.679 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:08.679 INFO kablam!     |
Sep 14 12:53:08.679 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:08.679 INFO kablam! 
Sep 14 12:53:08.722 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Sep 14 12:53:08.723 INFO kablam! su: No module specific data is present
Sep 14 12:53:09.452 INFO running `"docker" "rm" "-f" "1d753047b088fc3e7b92842dbb0a643b39b34982f7a9ab142e6843279515da3a"`
Sep 14 12:53:09.755 INFO blam! 1d753047b088fc3e7b92842dbb0a643b39b34982f7a9ab142e6843279515da3a