Sep 21 06:45:56.049 INFO checking mvcc-0.0.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 06:45:56.049 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 06:45:56.049 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:45:56.217 INFO blam! 05718125fbbb414a0a3d2985e937f3b9c51315f6eda8604c871030388c5f2a0b
Sep 21 06:45:56.217 INFO running `"docker" "start" "-a" "05718125fbbb414a0a3d2985e937f3b9c51315f6eda8604c871030388c5f2a0b"`
Sep 21 06:45:57.154 INFO kablam! usermod: no changes
Sep 21 06:45:57.241 INFO kablam!     Checking sled v0.15.17
Sep 21 06:45:59.008 INFO kablam!     Checking mvcc v0.0.1 (/source)
Sep 21 06:45:59.732 INFO kablam! warning: type alias is never used: `Delta`
Sep 21 06:45:59.732 INFO kablam!   --> src/lib.rs:58:1
Sep 21 06:45:59.732 INFO kablam!    |
Sep 21 06:45:59.732 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 21 06:45:59.732 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.732 INFO kablam!    |
Sep 21 06:45:59.732 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 06:45:59.732 INFO kablam! 
Sep 21 06:45:59.740 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.740 INFO kablam!    --> src/db.rs:222:17
Sep 21 06:45:59.740 INFO kablam!     |
Sep 21 06:45:59.740 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 21 06:45:59.740 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.740 INFO kablam!     |
Sep 21 06:45:59.740 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 06:45:59.740 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.740 INFO kablam! 
Sep 21 06:45:59.740 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.740 INFO kablam!    --> src/db.rs:225:17
Sep 21 06:45:59.740 INFO kablam!     |
Sep 21 06:45:59.740 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 21 06:45:59.740 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.740 INFO kablam!     |
Sep 21 06:45:59.740 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.741 INFO kablam! 
Sep 21 06:45:59.786 INFO kablam! warning: type alias is never used: `Delta`
Sep 21 06:45:59.786 INFO kablam!   --> src/lib.rs:58:1
Sep 21 06:45:59.786 INFO kablam!    |
Sep 21 06:45:59.786 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 21 06:45:59.786 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.786 INFO kablam!    |
Sep 21 06:45:59.786 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 06:45:59.786 INFO kablam! 
Sep 21 06:45:59.798 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.798 INFO kablam!    --> src/db.rs:222:17
Sep 21 06:45:59.798 INFO kablam!     |
Sep 21 06:45:59.798 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 21 06:45:59.798 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.798 INFO kablam!     |
Sep 21 06:45:59.798 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 06:45:59.798 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.798 INFO kablam! 
Sep 21 06:45:59.798 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:45:59.798 INFO kablam!    --> src/db.rs:225:17
Sep 21 06:45:59.798 INFO kablam!     |
Sep 21 06:45:59.798 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 21 06:45:59.798 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:45:59.798 INFO kablam!     |
Sep 21 06:45:59.798 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:45:59.798 INFO kablam! 
Sep 21 06:45:59.812 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Sep 21 06:45:59.816 INFO kablam! su: No module specific data is present
Sep 21 06:46:00.592 INFO running `"docker" "rm" "-f" "05718125fbbb414a0a3d2985e937f3b9c51315f6eda8604c871030388c5f2a0b"`
Sep 21 06:46:00.643 INFO blam! 05718125fbbb414a0a3d2985e937f3b9c51315f6eda8604c871030388c5f2a0b