Sep 02 03:59:55.031 INFO checking acid-state-0.2.3 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 02 03:59:55.031 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 02 03:59:55.031 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 03:59:55.183 INFO blam! b2ec083b70ef72f530c24d3985b368064208fdee5c20d2b12a6ab29a43557652
Sep 02 03:59:55.184 INFO running `"docker" "start" "-a" "b2ec083b70ef72f530c24d3985b368064208fdee5c20d2b12a6ab29a43557652"`
Sep 02 03:59:55.847 INFO kablam!     Checking acid-state v0.2.3 (file:///source)
Sep 02 03:59:56.807 INFO kablam! warning: unused `#[macro_use]` import
Sep 02 03:59:56.807 INFO kablam!   --> src/lib.rs:49:1
Sep 02 03:59:56.807 INFO kablam!    |
Sep 02 03:59:56.807 INFO kablam! 49 | #[macro_use]
Sep 02 03:59:56.807 INFO kablam!    | ^^^^^^^^^^^^
Sep 02 03:59:56.807 INFO kablam!    |
Sep 02 03:59:56.807 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 03:59:56.807 INFO kablam! 
Sep 02 03:59:56.945 INFO kablam! warning: unused `#[macro_use]` import
Sep 02 03:59:56.946 INFO kablam!   --> src/lib.rs:49:1
Sep 02 03:59:56.946 INFO kablam!    |
Sep 02 03:59:56.946 INFO kablam! 49 | #[macro_use]
Sep 02 03:59:56.946 INFO kablam!    | ^^^^^^^^^^^^
Sep 02 03:59:56.946 INFO kablam!    |
Sep 02 03:59:56.946 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 03:59:56.946 INFO kablam! 
Sep 02 03:59:56.949 INFO kablam! warning: method is never used: `clear`
Sep 02 03:59:56.949 INFO kablam!   --> src/wrapper_structs.rs:54:5
Sep 02 03:59:56.949 INFO kablam!    |
Sep 02 03:59:56.949 INFO kablam! 54 |     fn clear(&self) -> io::Result<()> {
Sep 02 03:59:56.949 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 03:59:56.949 INFO kablam!    |
Sep 02 03:59:56.949 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 03:59:56.949 INFO kablam! 
Sep 02 03:59:56.960 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 03:59:56.960 INFO kablam!   --> src/wrapper_structs.rs:70:9
Sep 02 03:59:56.960 INFO kablam!    |
Sep 02 03:59:56.960 INFO kablam! 70 |         f.sync_all();
Sep 02 03:59:56.960 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 02 03:59:56.960 INFO kablam!    |
Sep 02 03:59:56.960 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 02 03:59:56.961 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 03:59:56.961 INFO kablam! 
Sep 02 03:59:56.961 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 03:59:56.961 INFO kablam!   --> src/wrapper_structs.rs:88:9
Sep 02 03:59:56.961 INFO kablam!    |
Sep 02 03:59:56.961 INFO kablam! 88 |         self.write();
Sep 02 03:59:56.961 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 02 03:59:56.961 INFO kablam!    |
Sep 02 03:59:56.961 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 03:59:56.961 INFO kablam! 
Sep 02 03:59:57.067 INFO kablam! warning: method is never used: `clear`
Sep 02 03:59:57.067 INFO kablam!   --> src/wrapper_structs.rs:54:5
Sep 02 03:59:57.067 INFO kablam!    |
Sep 02 03:59:57.067 INFO kablam! 54 |     fn clear(&self) -> io::Result<()> {
Sep 02 03:59:57.067 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 03:59:57.067 INFO kablam!    |
Sep 02 03:59:57.067 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 03:59:57.067 INFO kablam! 
Sep 02 03:59:57.086 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 03:59:57.086 INFO kablam!   --> src/wrapper_structs.rs:70:9
Sep 02 03:59:57.086 INFO kablam!    |
Sep 02 03:59:57.086 INFO kablam! 70 |         f.sync_all();
Sep 02 03:59:57.086 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 02 03:59:57.086 INFO kablam!    |
Sep 02 03:59:57.086 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 02 03:59:57.086 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 03:59:57.086 INFO kablam! 
Sep 02 03:59:57.086 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 03:59:57.086 INFO kablam!   --> src/wrapper_structs.rs:88:9
Sep 02 03:59:57.086 INFO kablam!    |
Sep 02 03:59:57.086 INFO kablam! 88 |         self.write();
Sep 02 03:59:57.086 INFO kablam!    |         ^^^^^^^^^^^^^
Sep 02 03:59:57.086 INFO kablam!    |
Sep 02 03:59:57.086 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 03:59:57.086 INFO kablam! 
Sep 02 03:59:58.033 INFO kablam! warning: variable does not need to be mutable
Sep 02 03:59:58.033 INFO kablam!   --> test/test.rs:28:17
Sep 02 03:59:58.033 INFO kablam!    |
Sep 02 03:59:58.033 INFO kablam! 28 |             let mut current = a.entry(key).or_insert(0);
Sep 02 03:59:58.033 INFO kablam!    |                 ----^^^^^^^
Sep 02 03:59:58.033 INFO kablam!    |                 |
Sep 02 03:59:58.033 INFO kablam!    |                 help: remove this `mut`
Sep 02 03:59:58.033 INFO kablam!    |
Sep 02 03:59:58.033 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 03:59:58.033 INFO kablam! 
Sep 02 03:59:58.065 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
Sep 02 03:59:58.071 INFO kablam! su: No module specific data is present
Sep 02 03:59:58.655 INFO running `"docker" "rm" "-f" "b2ec083b70ef72f530c24d3985b368064208fdee5c20d2b12a6ab29a43557652"`
Sep 02 03:59:58.742 INFO blam! b2ec083b70ef72f530c24d3985b368064208fdee5c20d2b12a6ab29a43557652