Sep 06 10:19:55.974 INFO checking acid-state-0.2.3 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 10:19:55.974 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 10:19:55.974 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 10:19:56.099 INFO blam! d3d6713542ce0bbba13aca64354494226b3cf03ab1877007c012eaefd0b42239
Sep 06 10:19:56.100 INFO running `"docker" "start" "-a" "d3d6713542ce0bbba13aca64354494226b3cf03ab1877007c012eaefd0b42239"`
Sep 06 10:19:57.230 INFO kablam! usermod: no changes
Sep 06 10:19:57.287 INFO kablam!     Checking acid-state v0.2.3 (file:///source)
Sep 06 10:19:57.829 INFO kablam! warning: unused `#[macro_use]` import
Sep 06 10:19:57.829 INFO kablam!   --> src/lib.rs:49:1
Sep 06 10:19:57.829 INFO kablam!    |
Sep 06 10:19:57.829 INFO kablam! 49 | #[macro_use]
Sep 06 10:19:57.829 INFO kablam!    | ^^^^^^^^^^^^
Sep 06 10:19:57.829 INFO kablam!    |
Sep 06 10:19:57.829 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 10:19:57.829 INFO kablam! 
Sep 06 10:19:57.878 INFO kablam! warning: unused `#[macro_use]` import
Sep 06 10:19:57.878 INFO kablam!   --> src/lib.rs:49:1
Sep 06 10:19:57.878 INFO kablam!    |
Sep 06 10:19:57.878 INFO kablam! 49 | #[macro_use]
Sep 06 10:19:57.878 INFO kablam!    | ^^^^^^^^^^^^
Sep 06 10:19:57.878 INFO kablam!    |
Sep 06 10:19:57.878 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 10:19:57.878 INFO kablam! 
Sep 06 10:19:57.888 INFO kablam! warning: method is never used: `clear`
Sep 06 10:19:57.888 INFO kablam!   --> src/wrapper_structs.rs:54:5
Sep 06 10:19:57.888 INFO kablam!    |
Sep 06 10:19:57.888 INFO kablam! 54 |     fn clear(&self) -> io::Result<()> {
Sep 06 10:19:57.888 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 10:19:57.888 INFO kablam!    |
Sep 06 10:19:57.888 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 10:19:57.888 INFO kablam! 
Sep 06 10:19:57.900 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 10:19:57.900 INFO kablam!   --> src/wrapper_structs.rs:70:9
Sep 06 10:19:57.900 INFO kablam!    |
Sep 06 10:19:57.900 INFO kablam! 70 |         f.sync_all();
Sep 06 10:19:57.900 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 06 10:19:57.900 INFO kablam!    |
Sep 06 10:19:57.900 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 10:19:57.900 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 10:19:57.900 INFO kablam! 
Sep 06 10:19:57.900 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 10:19:57.900 INFO kablam!   --> src/wrapper_structs.rs:88:9
Sep 06 10:19:57.900 INFO kablam!    |
Sep 06 10:19:57.900 INFO kablam! 88 |         self.write();
Sep 06 10:19:57.900 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 06 10:19:57.900 INFO kablam!    |
Sep 06 10:19:57.900 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 10:19:57.900 INFO kablam! 
Sep 06 10:19:57.974 INFO kablam! warning: method is never used: `clear`
Sep 06 10:19:57.974 INFO kablam!   --> src/wrapper_structs.rs:54:5
Sep 06 10:19:57.974 INFO kablam!    |
Sep 06 10:19:57.974 INFO kablam! 54 |     fn clear(&self) -> io::Result<()> {
Sep 06 10:19:57.974 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 10:19:57.974 INFO kablam!    |
Sep 06 10:19:57.974 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 10:19:57.974 INFO kablam! 
Sep 06 10:19:57.985 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 10:19:57.985 INFO kablam!   --> src/wrapper_structs.rs:70:9
Sep 06 10:19:57.985 INFO kablam!    |
Sep 06 10:19:57.985 INFO kablam! 70 |         f.sync_all();
Sep 06 10:19:57.985 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 06 10:19:57.985 INFO kablam!    |
Sep 06 10:19:57.985 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 10:19:57.985 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 10:19:57.985 INFO kablam! 
Sep 06 10:19:57.985 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 10:19:57.985 INFO kablam!   --> src/wrapper_structs.rs:88:9
Sep 06 10:19:57.985 INFO kablam!    |
Sep 06 10:19:57.985 INFO kablam! 88 |         self.write();
Sep 06 10:19:57.985 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 06 10:19:57.985 INFO kablam!    |
Sep 06 10:19:57.985 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 10:19:57.985 INFO kablam! 
Sep 06 10:19:58.604 INFO kablam! warning: variable does not need to be mutable
Sep 06 10:19:58.604 INFO kablam!   --> test/test.rs:28:17
Sep 06 10:19:58.604 INFO kablam!    |
Sep 06 10:19:58.604 INFO kablam! 28 |             let mut current = a.entry(key).or_insert(0);
Sep 06 10:19:58.604 INFO kablam!    |                 ----^^^^^^^
Sep 06 10:19:58.604 INFO kablam!    |                 |
Sep 06 10:19:58.604 INFO kablam!    |                 help: remove this `mut`
Sep 06 10:19:58.604 INFO kablam!    |
Sep 06 10:19:58.604 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 10:19:58.604 INFO kablam! 
Sep 06 10:19:58.628 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Sep 06 10:19:58.630 INFO kablam! su: No module specific data is present
Sep 06 10:19:59.406 INFO running `"docker" "rm" "-f" "d3d6713542ce0bbba13aca64354494226b3cf03ab1877007c012eaefd0b42239"`
Sep 06 10:19:59.457 INFO blam! d3d6713542ce0bbba13aca64354494226b3cf03ab1877007c012eaefd0b42239