Sep 02 06:58:10.733 INFO checking mvcc-0.0.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 06:58:10.733 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 06:58:10.733 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 06:58:10.922 INFO blam! e262a5ec2fa4de1d1a4b1deb3e79a5de70c3c39bc9e1b62d9672f6b1465a76d8
Sep 02 06:58:10.924 INFO running `"docker" "start" "-a" "e262a5ec2fa4de1d1a4b1deb3e79a5de70c3c39bc9e1b62d9672f6b1465a76d8"`
Sep 02 06:58:11.561 INFO kablam!     Checking mvcc v0.0.1 (file:///source)
Sep 02 06:58:13.213 INFO kablam! warning: type alias is never used: `Delta`
Sep 02 06:58:13.213 INFO kablam!   --> src/lib.rs:58:1
Sep 02 06:58:13.213 INFO kablam!    |
Sep 02 06:58:13.213 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 02 06:58:13.213 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:58:13.213 INFO kablam!    |
Sep 02 06:58:13.213 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 06:58:13.213 INFO kablam! 
Sep 02 06:58:13.228 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:58:13.228 INFO kablam!    --> src/db.rs:222:17
Sep 02 06:58:13.228 INFO kablam!     |
Sep 02 06:58:13.228 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 02 06:58:13.228 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:58:13.228 INFO kablam!     |
Sep 02 06:58:13.228 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 06:58:13.228 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:58:13.228 INFO kablam! 
Sep 02 06:58:13.228 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:58:13.228 INFO kablam!    --> src/db.rs:225:17
Sep 02 06:58:13.228 INFO kablam!     |
Sep 02 06:58:13.228 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 02 06:58:13.228 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:58:13.228 INFO kablam!     |
Sep 02 06:58:13.228 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:58:13.228 INFO kablam! 
Sep 02 06:58:13.239 INFO kablam! warning: type alias is never used: `Delta`
Sep 02 06:58:13.239 INFO kablam!   --> src/lib.rs:58:1
Sep 02 06:58:13.239 INFO kablam!    |
Sep 02 06:58:13.239 INFO kablam! 58 | type Delta = Vec<u8>;
Sep 02 06:58:13.239 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:58:13.239 INFO kablam!    |
Sep 02 06:58:13.239 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 06:58:13.239 INFO kablam! 
Sep 02 06:58:13.255 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:58:13.255 INFO kablam!    --> src/db.rs:222:17
Sep 02 06:58:13.255 INFO kablam!     |
Sep 02 06:58:13.255 INFO kablam! 222 |                 self.mvcc.insert(k.clone(), Chain::new(chain));
Sep 02 06:58:13.255 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:58:13.255 INFO kablam!     |
Sep 02 06:58:13.255 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 06:58:13.255 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:58:13.255 INFO kablam! 
Sep 02 06:58:13.255 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:58:13.255 INFO kablam!    --> src/db.rs:225:17
Sep 02 06:58:13.255 INFO kablam!     |
Sep 02 06:58:13.255 INFO kablam! 225 |                 self.mvcc.insert(k.clone(), Chain::default());
Sep 02 06:58:13.255 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:58:13.255 INFO kablam!     |
Sep 02 06:58:13.255 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:58:13.255 INFO kablam! 
Sep 02 06:58:13.277 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
Sep 02 06:58:13.282 INFO kablam! su: No module specific data is present
Sep 02 06:58:13.615 INFO running `"docker" "rm" "-f" "e262a5ec2fa4de1d1a4b1deb3e79a5de70c3c39bc9e1b62d9672f6b1465a76d8"`
Sep 02 06:58:13.703 INFO blam! e262a5ec2fa4de1d1a4b1deb3e79a5de70c3c39bc9e1b62d9672f6b1465a76d8