Sep 06 02:05:07.766 INFO checking qcow2-0.1.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:05:07.766 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:05:07.766 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/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 02:05:07.902 INFO blam! 1e0c79634aabd1938f88dbf59a84ffa9ea052d8d70e6ccf4699bff7d54c7796b
Sep 06 02:05:07.904 INFO running `"docker" "start" "-a" "1e0c79634aabd1938f88dbf59a84ffa9ea052d8d70e6ccf4699bff7d54c7796b"`
Sep 06 02:05:08.897 INFO kablam! usermod: no changes
Sep 06 02:05:08.930 INFO kablam!     Checking positioned-io v0.2.2
Sep 06 02:05:08.930 INFO kablam!     Checking lru-cache v0.0.7
Sep 06 02:05:09.346 INFO kablam!     Checking qcow2 v0.1.2 (file:///source)
Sep 06 02:05:09.609 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 06 02:05:09.609 INFO kablam!  --> src/extension.rs:1:5
Sep 06 02:05:09.609 INFO kablam!   |
Sep 06 02:05:09.609 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 06 02:05:09.609 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 02:05:09.609 INFO kablam!   |
Sep 06 02:05:09.609 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 06 02:05:09.609 INFO kablam! 
Sep 06 02:05:09.621 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 06 02:05:09.622 INFO kablam!  --> src/extension.rs:1:5
Sep 06 02:05:09.622 INFO kablam!   |
Sep 06 02:05:09.622 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 06 02:05:09.622 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 02:05:09.622 INFO kablam!   |
Sep 06 02:05:09.622 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 06 02:05:09.622 INFO kablam! 
Sep 06 02:05:09.798 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 06 02:05:09.798 INFO kablam!  --> src/extension.rs:1:5
Sep 06 02:05:09.798 INFO kablam!   |
Sep 06 02:05:09.798 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 06 02:05:09.798 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 02:05:09.798 INFO kablam!   |
Sep 06 02:05:09.798 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 02:05:09.798 INFO kablam! 
Sep 06 02:05:09.798 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 06 02:05:09.798 INFO kablam!  --> src/extension.rs:7:5
Sep 06 02:05:09.798 INFO kablam!   |
Sep 06 02:05:09.798 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 06 02:05:09.798 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:05:09.798 INFO kablam! 
Sep 06 02:05:09.834 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 06 02:05:09.834 INFO kablam!  --> src/extension.rs:1:5
Sep 06 02:05:09.834 INFO kablam!   |
Sep 06 02:05:09.834 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 06 02:05:09.834 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 02:05:09.834 INFO kablam!   |
Sep 06 02:05:09.834 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 02:05:09.834 INFO kablam! 
Sep 06 02:05:09.834 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 06 02:05:09.834 INFO kablam!  --> src/extension.rs:7:5
Sep 06 02:05:09.834 INFO kablam!   |
Sep 06 02:05:09.834 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 06 02:05:09.835 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:05:09.835 INFO kablam! 
Sep 06 02:05:09.858 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:05:09.858 INFO kablam!    --> src/header.rs:207:21
Sep 06 02:05:09.858 INFO kablam!     |
Sep 06 02:05:09.858 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 06 02:05:09.858 INFO kablam!     |                     ----^^^
Sep 06 02:05:09.858 INFO kablam!     |                     |
Sep 06 02:05:09.858 INFO kablam!     |                     help: remove this `mut`
Sep 06 02:05:09.858 INFO kablam!     |
Sep 06 02:05:09.858 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 02:05:09.858 INFO kablam! 
Sep 06 02:05:09.886 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:05:09.886 INFO kablam!    --> src/read.rs:146:58
Sep 06 02:05:09.886 INFO kablam!     |
Sep 06 02:05:09.886 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 06 02:05:09.886 INFO kablam!     |                                                          ----^^^
Sep 06 02:05:09.886 INFO kablam!     |                                                          |
Sep 06 02:05:09.886 INFO kablam!     |                                                          help: remove this `mut`
Sep 06 02:05:09.890 INFO kablam! 
Sep 06 02:05:09.890 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:05:09.890 INFO kablam!    --> src/read.rs:193:33
Sep 06 02:05:09.890 INFO kablam!     |
Sep 06 02:05:09.890 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 06 02:05:09.890 INFO kablam!     |                                 ----^^^
Sep 06 02:05:09.890 INFO kablam!     |                                 |
Sep 06 02:05:09.890 INFO kablam!     |                                 help: remove this `mut`
Sep 06 02:05:09.890 INFO kablam! 
Sep 06 02:05:09.904 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:05:09.904 INFO kablam!    --> src/header.rs:207:21
Sep 06 02:05:09.904 INFO kablam!     |
Sep 06 02:05:09.904 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 06 02:05:09.904 INFO kablam!     |                     ----^^^
Sep 06 02:05:09.904 INFO kablam!     |                     |
Sep 06 02:05:09.904 INFO kablam!     |                     help: remove this `mut`
Sep 06 02:05:09.904 INFO kablam!     |
Sep 06 02:05:09.904 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 02:05:09.904 INFO kablam! 
Sep 06 02:05:09.922 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:05:09.922 INFO kablam!    --> src/read.rs:146:58
Sep 06 02:05:09.922 INFO kablam!     |
Sep 06 02:05:09.922 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 06 02:05:09.922 INFO kablam!     |                                                          ----^^^
Sep 06 02:05:09.922 INFO kablam!     |                                                          |
Sep 06 02:05:09.922 INFO kablam!     |                                                          help: remove this `mut`
Sep 06 02:05:09.922 INFO kablam! 
Sep 06 02:05:09.923 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:05:09.923 INFO kablam!    --> src/read.rs:193:33
Sep 06 02:05:09.923 INFO kablam!     |
Sep 06 02:05:09.923 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 06 02:05:09.923 INFO kablam!     |                                 ----^^^
Sep 06 02:05:09.924 INFO kablam!     |                                 |
Sep 06 02:05:09.924 INFO kablam!     |                                 help: remove this `mut`
Sep 06 02:05:09.924 INFO kablam! 
Sep 06 02:05:10.352 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Sep 06 02:05:10.354 INFO kablam! su: No module specific data is present
Sep 06 02:05:11.197 INFO running `"docker" "rm" "-f" "1e0c79634aabd1938f88dbf59a84ffa9ea052d8d70e6ccf4699bff7d54c7796b"`
Sep 06 02:05:11.271 INFO blam! 1e0c79634aabd1938f88dbf59a84ffa9ea052d8d70e6ccf4699bff7d54c7796b