Sep 14 11:20:43.065 INFO checking qcow2-0.1.2 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 11:20:43.065 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 11:20:43.065 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 11:20:43.253 INFO blam! 387a859db58902f487848ea21f21dad513edd651587a1b20e36c469bdd3c400a
Sep 14 11:20:43.263 INFO running `"docker" "start" "-a" "387a859db58902f487848ea21f21dad513edd651587a1b20e36c469bdd3c400a"`
Sep 14 11:20:44.705 INFO kablam! usermod: no changes
Sep 14 11:20:44.732 INFO kablam!     Checking linked-hash-map v0.0.9
Sep 14 11:20:44.732 INFO kablam!     Checking positioned-io v0.2.2
Sep 14 11:20:45.086 INFO kablam!     Checking lru-cache v0.0.7
Sep 14 11:20:45.355 INFO kablam!     Checking qcow2 v0.1.2 (file:///source)
Sep 14 11:20:45.630 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 14 11:20:45.631 INFO kablam!  --> src/extension.rs:1:5
Sep 14 11:20:45.631 INFO kablam!   |
Sep 14 11:20:45.631 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 14 11:20:45.631 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 11:20:45.631 INFO kablam!   |
Sep 14 11:20:45.631 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 14 11:20:45.631 INFO kablam! 
Sep 14 11:20:45.681 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 14 11:20:45.681 INFO kablam!  --> src/extension.rs:1:5
Sep 14 11:20:45.681 INFO kablam!   |
Sep 14 11:20:45.681 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 14 11:20:45.681 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 11:20:45.681 INFO kablam!   |
Sep 14 11:20:45.681 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 14 11:20:45.681 INFO kablam! 
Sep 14 11:20:45.845 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 14 11:20:45.845 INFO kablam!  --> src/extension.rs:1:5
Sep 14 11:20:45.845 INFO kablam!   |
Sep 14 11:20:45.845 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 14 11:20:45.845 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 11:20:45.845 INFO kablam!   |
Sep 14 11:20:45.845 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 11:20:45.845 INFO kablam! 
Sep 14 11:20:45.845 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 14 11:20:45.845 INFO kablam!  --> src/extension.rs:7:5
Sep 14 11:20:45.845 INFO kablam!   |
Sep 14 11:20:45.845 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 14 11:20:45.845 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 11:20:45.845 INFO kablam! 
Sep 14 11:20:45.923 INFO kablam! warning: variable does not need to be mutable
Sep 14 11:20:45.923 INFO kablam!    --> src/header.rs:207:21
Sep 14 11:20:45.923 INFO kablam!     |
Sep 14 11:20:45.923 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 14 11:20:45.923 INFO kablam!     |                     ----^^^
Sep 14 11:20:45.923 INFO kablam!     |                     |
Sep 14 11:20:45.923 INFO kablam!     |                     help: remove this `mut`
Sep 14 11:20:45.923 INFO kablam!     |
Sep 14 11:20:45.923 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 11:20:45.923 INFO kablam! 
Sep 14 11:20:45.923 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 14 11:20:45.923 INFO kablam!  --> src/extension.rs:1:5
Sep 14 11:20:45.923 INFO kablam!   |
Sep 14 11:20:45.923 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 14 11:20:45.923 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 11:20:45.923 INFO kablam!   |
Sep 14 11:20:45.923 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 11:20:45.923 INFO kablam! 
Sep 14 11:20:45.923 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 14 11:20:45.923 INFO kablam!  --> src/extension.rs:7:5
Sep 14 11:20:45.923 INFO kablam!   |
Sep 14 11:20:45.923 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 14 11:20:45.923 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 11:20:45.923 INFO kablam! 
Sep 14 11:20:45.947 INFO kablam! warning: variable does not need to be mutable
Sep 14 11:20:45.947 INFO kablam!    --> src/read.rs:146:58
Sep 14 11:20:45.947 INFO kablam!     |
Sep 14 11:20:45.947 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 14 11:20:45.947 INFO kablam!     |                                                          ----^^^
Sep 14 11:20:45.947 INFO kablam!     |                                                          |
Sep 14 11:20:45.947 INFO kablam!     |                                                          help: remove this `mut`
Sep 14 11:20:45.947 INFO kablam! 
Sep 14 11:20:45.948 INFO kablam! warning: variable does not need to be mutable
Sep 14 11:20:45.948 INFO kablam!    --> src/read.rs:193:33
Sep 14 11:20:45.948 INFO kablam!     |
Sep 14 11:20:45.948 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 14 11:20:45.948 INFO kablam!     |                                 ----^^^
Sep 14 11:20:45.948 INFO kablam!     |                                 |
Sep 14 11:20:45.948 INFO kablam!     |                                 help: remove this `mut`
Sep 14 11:20:45.948 INFO kablam! 
Sep 14 11:20:45.979 INFO kablam! warning: variable does not need to be mutable
Sep 14 11:20:45.979 INFO kablam!    --> src/header.rs:207:21
Sep 14 11:20:45.979 INFO kablam!     |
Sep 14 11:20:45.979 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 14 11:20:45.979 INFO kablam!     |                     ----^^^
Sep 14 11:20:45.979 INFO kablam!     |                     |
Sep 14 11:20:45.979 INFO kablam!     |                     help: remove this `mut`
Sep 14 11:20:45.979 INFO kablam!     |
Sep 14 11:20:45.979 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 11:20:45.979 INFO kablam! 
Sep 14 11:20:45.999 INFO kablam! warning: variable does not need to be mutable
Sep 14 11:20:45.999 INFO kablam!    --> src/read.rs:146:58
Sep 14 11:20:45.999 INFO kablam!     |
Sep 14 11:20:45.999 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 14 11:20:45.999 INFO kablam!     |                                                          ----^^^
Sep 14 11:20:45.999 INFO kablam!     |                                                          |
Sep 14 11:20:45.999 INFO kablam!     |                                                          help: remove this `mut`
Sep 14 11:20:45.999 INFO kablam! 
Sep 14 11:20:46.003 INFO kablam! warning: variable does not need to be mutable
Sep 14 11:20:46.003 INFO kablam!    --> src/read.rs:193:33
Sep 14 11:20:46.003 INFO kablam!     |
Sep 14 11:20:46.003 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 14 11:20:46.003 INFO kablam!     |                                 ----^^^
Sep 14 11:20:46.003 INFO kablam!     |                                 |
Sep 14 11:20:46.003 INFO kablam!     |                                 help: remove this `mut`
Sep 14 11:20:46.003 INFO kablam! 
Sep 14 11:20:46.581 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
Sep 14 11:20:46.585 INFO kablam! su: No module specific data is present
Sep 14 11:20:47.474 INFO running `"docker" "rm" "-f" "387a859db58902f487848ea21f21dad513edd651587a1b20e36c469bdd3c400a"`
Sep 14 11:20:47.532 INFO blam! 387a859db58902f487848ea21f21dad513edd651587a1b20e36c469bdd3c400a