Sep 04 10:21:30.847 INFO checking mvcc-0.0.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 10:21:30.847 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 10:21:30.847 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 10:21:30.993 INFO blam! a0047f4b3d3d9547af4b322c763be60e75ad1180a8f3d882d23238eb48cceccc
Sep 04 10:21:30.995 INFO running `"docker" "start" "-a" "a0047f4b3d3d9547af4b322c763be60e75ad1180a8f3d882d23238eb48cceccc"`
Sep 04 10:21:31.718 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 04 10:21:33.281 INFO kablam! warning: type alias is never used: `Delta`
Sep 04 10:21:33.282 INFO kablam!   --> src/lib.rs:58:1
Sep 04 10:21:33.282 INFO kablam!    |
Sep 04 10:21:33.282 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 04 10:21:33.282 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 04 10:21:33.282 INFO kablam!    |
Sep 04 10:21:33.282 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 10:21:33.282 INFO kablam! 
Sep 04 10:21:33.297 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 10:21:33.297 INFO kablam!    --> src/db.rs:222:17
Sep 04 10:21:33.298 INFO kablam!     |
Sep 04 10:21:33.298 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 04 10:21:33.298 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 10:21:33.298 INFO kablam!     |
Sep 04 10:21:33.298 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 10:21:33.298 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 10:21:33.298 INFO kablam! 
Sep 04 10:21:33.298 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 10:21:33.298 INFO kablam!    --> src/db.rs:225:17
Sep 04 10:21:33.298 INFO kablam!     |
Sep 04 10:21:33.298 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 04 10:21:33.298 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 10:21:33.298 INFO kablam!     |
Sep 04 10:21:33.298 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 10:21:33.298 INFO kablam! 
Sep 04 10:21:33.430 INFO kablam! warning: type alias is never used: `Delta`
Sep 04 10:21:33.430 INFO kablam!   --> src/lib.rs:58:1
Sep 04 10:21:33.430 INFO kablam!    |
Sep 04 10:21:33.430 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 04 10:21:33.430 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 04 10:21:33.430 INFO kablam!    |
Sep 04 10:21:33.430 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 10:21:33.430 INFO kablam! 
Sep 04 10:21:33.450 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 10:21:33.450 INFO kablam!    --> src/db.rs:222:17
Sep 04 10:21:33.450 INFO kablam!     |
Sep 04 10:21:33.450 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 04 10:21:33.450 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 10:21:33.450 INFO kablam!     |
Sep 04 10:21:33.450 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 10:21:33.450 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 10:21:33.450 INFO kablam! 
Sep 04 10:21:33.451 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 04 10:21:33.451 INFO kablam!    --> src/db.rs:225:17
Sep 04 10:21:33.451 INFO kablam!     |
Sep 04 10:21:33.451 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 04 10:21:33.451 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 10:21:33.451 INFO kablam!     |
Sep 04 10:21:33.451 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 04 10:21:33.451 INFO kablam! 
Sep 04 10:21:33.475 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
Sep 04 10:21:33.483 INFO kablam! su: No module specific data is present
Sep 04 10:21:33.918 INFO running `"docker" "rm" "-f" "a0047f4b3d3d9547af4b322c763be60e75ad1180a8f3d882d23238eb48cceccc"`
Sep 04 10:21:34.019 INFO blam! a0047f4b3d3d9547af4b322c763be60e75ad1180a8f3d882d23238eb48cceccc