Sep 20 03:44:48.170 INFO checking fast_io-1.2.2 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 03:44:48.170 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 03:44:48.170 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-3/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:44:48.344 INFO blam! 3de83f89140987a105a4d401173365e8f8501e4e35195efd8c69dec0b6be4bdc
Sep 20 03:44:48.346 INFO running `"docker" "start" "-a" "3de83f89140987a105a4d401173365e8f8501e4e35195efd8c69dec0b6be4bdc"`
Sep 20 03:44:49.259 INFO kablam! usermod: no changes
Sep 20 03:44:49.288 INFO kablam!     Checking fast_io v1.2.2 (/source)
Sep 20 03:44:49.579 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:44:49.579 INFO kablam!   --> src/copy_io.rs:17:13
Sep 20 03:44:49.579 INFO kablam!    |
Sep 20 03:44:49.579 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 20 03:44:49.579 INFO kablam!    |             ----^^^^^^
Sep 20 03:44:49.579 INFO kablam!    |             |
Sep 20 03:44:49.579 INFO kablam!    |             help: remove this `mut`
Sep 20 03:44:49.579 INFO kablam!    |
Sep 20 03:44:49.579 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 03:44:49.579 INFO kablam! 
Sep 20 03:44:49.581 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:44:49.581 INFO kablam!   --> src/copy_io.rs:38:17
Sep 20 03:44:49.581 INFO kablam!    |
Sep 20 03:44:49.581 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 20 03:44:49.581 INFO kablam!    |                 ----^^^^^^
Sep 20 03:44:49.581 INFO kablam!    |                 |
Sep 20 03:44:49.581 INFO kablam!    |                 help: remove this `mut`
Sep 20 03:44:49.582 INFO kablam! 
Sep 20 03:44:49.762 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:44:49.762 INFO kablam!   --> src/copy_io.rs:17:13
Sep 20 03:44:49.762 INFO kablam!    |
Sep 20 03:44:49.762 INFO kablam! 17 |         let mut buffer = unsafe {
Sep 20 03:44:49.762 INFO kablam!    |             ----^^^^^^
Sep 20 03:44:49.762 INFO kablam!    |             |
Sep 20 03:44:49.762 INFO kablam!    |             help: remove this `mut`
Sep 20 03:44:49.762 INFO kablam!    |
Sep 20 03:44:49.762 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 03:44:49.762 INFO kablam! 
Sep 20 03:44:49.763 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:44:49.763 INFO kablam!   --> src/copy_io.rs:38:17
Sep 20 03:44:49.763 INFO kablam!    |
Sep 20 03:44:49.763 INFO kablam! 38 |             let mut buffer = slice::from_raw_parts_mut(
Sep 20 03:44:49.763 INFO kablam!    |                 ----^^^^^^
Sep 20 03:44:49.764 INFO kablam!    |                 |
Sep 20 03:44:49.764 INFO kablam!    |                 help: remove this `mut`
Sep 20 03:44:49.764 INFO kablam! 
Sep 20 03:44:49.787 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Sep 20 03:44:49.789 INFO kablam! su: No module specific data is present
Sep 20 03:44:50.337 INFO running `"docker" "rm" "-f" "3de83f89140987a105a4d401173365e8f8501e4e35195efd8c69dec0b6be4bdc"`
Sep 20 03:44:50.409 INFO blam! 3de83f89140987a105a4d401173365e8f8501e4e35195efd8c69dec0b6be4bdc