Sep 10 15:34:03.610 INFO checking libimagcounter-0.2.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 15:34:03.610 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 15:34:03.611 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 15:34:03.793 INFO blam! 3dbe479822764a7cbfa2f097558a7fb2ada6d59eec92d304f50e43ea42c1aa30
Sep 10 15:34:03.795 INFO running `"docker" "start" "-a" "3dbe479822764a7cbfa2f097558a7fb2ada6d59eec92d304f50e43ea42c1aa30"`
Sep 10 15:34:04.502 INFO kablam! usermod: no changes
Sep 10 15:34:04.646 INFO kablam!     Checking libimagerror v0.2.0
Sep 10 15:34:04.653 INFO kablam!     Checking libimagutil v0.2.0
Sep 10 15:34:05.678 INFO kablam!     Checking libimagstore v0.2.0
Sep 10 15:34:07.934 INFO kablam!     Checking libimagcounter v0.2.0 (file:///source)
Sep 10 15:34:08.914 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 15:34:08.914 INFO kablam!   --> src/lib.rs:36:1
Sep 10 15:34:08.914 INFO kablam!    |
Sep 10 15:34:08.914 INFO kablam! 36 | #[macro_use] extern crate semver;
Sep 10 15:34:08.914 INFO kablam!    | ^^^^^^^^^^^^
Sep 10 15:34:08.914 INFO kablam!    |
Sep 10 15:34:08.914 INFO kablam! note: lint level defined here
Sep 10 15:34:08.914 INFO kablam!   --> src/lib.rs:28:5
Sep 10 15:34:08.914 INFO kablam!    |
Sep 10 15:34:08.914 INFO kablam! 28 |     unused_imports,
Sep 10 15:34:08.914 INFO kablam!    |     ^^^^^^^^^^^^^^
Sep 10 15:34:08.914 INFO kablam! 
Sep 10 15:34:09.082 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 15:34:09.082 INFO kablam!   --> src/lib.rs:36:1
Sep 10 15:34:09.082 INFO kablam!    |
Sep 10 15:34:09.082 INFO kablam! 36 | #[macro_use] extern crate semver;
Sep 10 15:34:09.082 INFO kablam!    | ^^^^^^^^^^^^
Sep 10 15:34:09.082 INFO kablam!    |
Sep 10 15:34:09.082 INFO kablam! note: lint level defined here
Sep 10 15:34:09.082 INFO kablam!   --> src/lib.rs:28:5
Sep 10 15:34:09.082 INFO kablam!    |
Sep 10 15:34:09.082 INFO kablam! 28 |     unused_imports,
Sep 10 15:34:09.082 INFO kablam!    |     ^^^^^^^^^^^^^^
Sep 10 15:34:09.082 INFO kablam! 
Sep 10 15:34:09.100 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:34:09.100 INFO kablam!    --> src/counter.rs:115:13
Sep 10 15:34:09.100 INFO kablam!     |
Sep 10 15:34:09.100 INFO kablam! 115 |         let mut header = self.fle.deref_mut().get_header_mut();
Sep 10 15:34:09.100 INFO kablam!     |             ----^^^^^^
Sep 10 15:34:09.100 INFO kablam!     |             |
Sep 10 15:34:09.100 INFO kablam!     |             help: remove this `mut`
Sep 10 15:34:09.101 INFO kablam!     |
Sep 10 15:34:09.101 INFO kablam! note: lint level defined here
Sep 10 15:34:09.101 INFO kablam!    --> src/lib.rs:29:5
Sep 10 15:34:09.101 INFO kablam!     |
Sep 10 15:34:09.101 INFO kablam! 29  |     unused_mut,
Sep 10 15:34:09.101 INFO kablam!     |     ^^^^^^^^^^
Sep 10 15:34:09.101 INFO kablam! 
Sep 10 15:34:09.102 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:34:09.102 INFO kablam!    --> src/counter.rs:128:13
Sep 10 15:34:09.102 INFO kablam!     |
Sep 10 15:34:09.102 INFO kablam! 128 |         let mut header = self.fle.deref_mut().get_header_mut();
Sep 10 15:34:09.102 INFO kablam!     |             ----^^^^^^
Sep 10 15:34:09.102 INFO kablam!     |             |
Sep 10 15:34:09.102 INFO kablam!     |             help: remove this `mut`
Sep 10 15:34:09.102 INFO kablam! 
Sep 10 15:34:09.106 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:34:09.106 INFO kablam!    --> src/counter.rs:145:13
Sep 10 15:34:09.106 INFO kablam!     |
Sep 10 15:34:09.106 INFO kablam! 145 |         let mut header = self.fle.deref_mut().get_header_mut();
Sep 10 15:34:09.106 INFO kablam!     |             ----^^^^^^
Sep 10 15:34:09.106 INFO kablam!     |             |
Sep 10 15:34:09.106 INFO kablam!     |             help: remove this `mut`
Sep 10 15:34:09.106 INFO kablam! 
Sep 10 15:34:09.238 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:34:09.238 INFO kablam!    --> src/counter.rs:115:13
Sep 10 15:34:09.238 INFO kablam!     |
Sep 10 15:34:09.238 INFO kablam! 115 |         let mut header = self.fle.deref_mut().get_header_mut();
Sep 10 15:34:09.238 INFO kablam!     |             ----^^^^^^
Sep 10 15:34:09.238 INFO kablam!     |             |
Sep 10 15:34:09.238 INFO kablam!     |             help: remove this `mut`
Sep 10 15:34:09.238 INFO kablam!     |
Sep 10 15:34:09.238 INFO kablam! note: lint level defined here
Sep 10 15:34:09.238 INFO kablam!    --> src/lib.rs:29:5
Sep 10 15:34:09.238 INFO kablam!     |
Sep 10 15:34:09.238 INFO kablam! 29  |     unused_mut,
Sep 10 15:34:09.238 INFO kablam!     |     ^^^^^^^^^^
Sep 10 15:34:09.238 INFO kablam! 
Sep 10 15:34:09.238 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:34:09.238 INFO kablam!    --> src/counter.rs:128:13
Sep 10 15:34:09.238 INFO kablam!     |
Sep 10 15:34:09.238 INFO kablam! 128 |         let mut header = self.fle.deref_mut().get_header_mut();
Sep 10 15:34:09.238 INFO kablam!     |             ----^^^^^^
Sep 10 15:34:09.238 INFO kablam!     |             |
Sep 10 15:34:09.238 INFO kablam!     |             help: remove this `mut`
Sep 10 15:34:09.238 INFO kablam! 
Sep 10 15:34:09.238 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:34:09.238 INFO kablam!    --> src/counter.rs:145:13
Sep 10 15:34:09.238 INFO kablam!     |
Sep 10 15:34:09.238 INFO kablam! 145 |         let mut header = self.fle.deref_mut().get_header_mut();
Sep 10 15:34:09.238 INFO kablam!     |             ----^^^^^^
Sep 10 15:34:09.238 INFO kablam!     |             |
Sep 10 15:34:09.238 INFO kablam!     |             help: remove this `mut`
Sep 10 15:34:09.238 INFO kablam! 
Sep 10 15:34:09.298 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
Sep 10 15:34:09.306 INFO kablam! su: No module specific data is present
Sep 10 15:34:10.309 INFO running `"docker" "rm" "-f" "3dbe479822764a7cbfa2f097558a7fb2ada6d59eec92d304f50e43ea42c1aa30"`
Sep 10 15:34:10.549 INFO blam! 3dbe479822764a7cbfa2f097558a7fb2ada6d59eec92d304f50e43ea42c1aa30