Sep 14 12:53:04.286 INFO checking mvcc-0.0.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 12:53:04.286 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 12:53:04.287 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:53:04.578 INFO blam! 334a6b2a966a615b243042295f7a25d8f008488e5ba1c44274ad122625ed91dd
Sep 14 12:53:04.580 INFO running `"docker" "start" "-a" "334a6b2a966a615b243042295f7a25d8f008488e5ba1c44274ad122625ed91dd"`
Sep 14 12:53:05.968 INFO kablam! usermod: no changes
Sep 14 12:53:06.050 INFO kablam!     Checking crossbeam-utils v0.3.2
Sep 14 12:53:06.051 INFO kablam!     Checking coco v0.2.1
Sep 14 12:53:06.347 INFO kablam!     Checking crossbeam-epoch v0.4.3
Sep 14 12:53:06.606 INFO kablam!     Checking historian v3.0.4
Sep 14 12:53:06.971 INFO kablam!     Checking pagecache v0.4.5
Sep 14 12:53:10.402 INFO kablam!     Checking sled v0.15.17
Sep 14 12:53:11.540 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 14 12:53:12.164 INFO kablam! warning: type alias is never used: `Delta`
Sep 14 12:53:12.164 INFO kablam!   --> src/lib.rs:58:1
Sep 14 12:53:12.164 INFO kablam!    |
Sep 14 12:53:12.164 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 14 12:53:12.164 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:12.164 INFO kablam!    |
Sep 14 12:53:12.164 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 12:53:12.164 INFO kablam! 
Sep 14 12:53:12.173 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:12.173 INFO kablam!    --> src/db.rs:222:17
Sep 14 12:53:12.173 INFO kablam!     |
Sep 14 12:53:12.173 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 14 12:53:12.173 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:12.173 INFO kablam!     |
Sep 14 12:53:12.173 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 12:53:12.173 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:12.173 INFO kablam! 
Sep 14 12:53:12.173 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:12.173 INFO kablam!    --> src/db.rs:225:17
Sep 14 12:53:12.173 INFO kablam!     |
Sep 14 12:53:12.173 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 14 12:53:12.173 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:12.173 INFO kablam!     |
Sep 14 12:53:12.173 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:12.173 INFO kablam! 
Sep 14 12:53:12.209 INFO kablam! warning: type alias is never used: `Delta`
Sep 14 12:53:12.210 INFO kablam!   --> src/lib.rs:58:1
Sep 14 12:53:12.210 INFO kablam!    |
Sep 14 12:53:12.210 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 14 12:53:12.210 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:12.210 INFO kablam!    |
Sep 14 12:53:12.210 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 12:53:12.210 INFO kablam! 
Sep 14 12:53:12.220 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:12.220 INFO kablam!    --> src/db.rs:222:17
Sep 14 12:53:12.220 INFO kablam!     |
Sep 14 12:53:12.220 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 14 12:53:12.220 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:12.221 INFO kablam!     |
Sep 14 12:53:12.221 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 12:53:12.221 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:12.221 INFO kablam! 
Sep 14 12:53:12.221 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 12:53:12.221 INFO kablam!    --> src/db.rs:225:17
Sep 14 12:53:12.221 INFO kablam!     |
Sep 14 12:53:12.221 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 14 12:53:12.221 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 12:53:12.221 INFO kablam!     |
Sep 14 12:53:12.221 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 12:53:12.221 INFO kablam! 
Sep 14 12:53:12.237 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
Sep 14 12:53:12.240 INFO kablam! su: No module specific data is present
Sep 14 12:53:12.972 INFO running `"docker" "rm" "-f" "334a6b2a966a615b243042295f7a25d8f008488e5ba1c44274ad122625ed91dd"`
Sep 14 12:53:13.025 INFO blam! 334a6b2a966a615b243042295f7a25d8f008488e5ba1c44274ad122625ed91dd