Sep 01 10:31:57.149 INFO checking qcow2-0.1.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 10:31:57.149 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 10:31:57.149 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/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 01 10:31:57.290 INFO blam! 1d8639ef1bf1946c99241687a05e737e3265cfee95051c0ead2a488fbac5768a
Sep 01 10:31:57.292 INFO running `"docker" "start" "-a" "1d8639ef1bf1946c99241687a05e737e3265cfee95051c0ead2a488fbac5768a"`
Sep 01 10:31:57.934 INFO kablam!     Checking linked-hash-map v0.0.9
Sep 01 10:31:57.934 INFO kablam!     Checking positioned-io v0.2.2
Sep 01 10:31:58.751 INFO kablam!     Checking lru-cache v0.0.7
Sep 01 10:31:59.186 INFO kablam!     Checking qcow2 v0.1.2 (file:///source)
Sep 01 10:31:59.796 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 10:31:59.796 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:31:59.796 INFO kablam!   |
Sep 01 10:31:59.796 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:31:59.796 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:31:59.796 INFO kablam!   |
Sep 01 10:31:59.796 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 10:31:59.796 INFO kablam! 
Sep 01 10:31:59.798 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 10:31:59.798 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:31:59.798 INFO kablam!   |
Sep 01 10:31:59.798 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:31:59.798 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:31:59.798 INFO kablam!   |
Sep 01 10:31:59.798 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 10:31:59.798 INFO kablam! 
Sep 01 10:32:00.192 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 10:32:00.192 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:32:00.192 INFO kablam!   |
Sep 01 10:32:00.192 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:32:00.192 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.192 INFO kablam!   |
Sep 01 10:32:00.192 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 10:32:00.192 INFO kablam! 
Sep 01 10:32:00.192 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 01 10:32:00.192 INFO kablam!  --> src/extension.rs:7:5
Sep 01 10:32:00.192 INFO kablam!   |
Sep 01 10:32:00.192 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 01 10:32:00.192 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.192 INFO kablam! 
Sep 01 10:32:00.222 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 10:32:00.222 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:32:00.222 INFO kablam!   |
Sep 01 10:32:00.222 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:32:00.222 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.222 INFO kablam!   |
Sep 01 10:32:00.222 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 10:32:00.222 INFO kablam! 
Sep 01 10:32:00.222 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 01 10:32:00.222 INFO kablam!  --> src/extension.rs:7:5
Sep 01 10:32:00.222 INFO kablam!   |
Sep 01 10:32:00.222 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 01 10:32:00.222 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.222 INFO kablam! 
Sep 01 10:32:00.312 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.312 INFO kablam!    --> src/header.rs:207:21
Sep 01 10:32:00.312 INFO kablam!     |
Sep 01 10:32:00.312 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 01 10:32:00.312 INFO kablam!     |                     ----^^^
Sep 01 10:32:00.312 INFO kablam!     |                     |
Sep 01 10:32:00.312 INFO kablam!     |                     help: remove this `mut`
Sep 01 10:32:00.312 INFO kablam!     |
Sep 01 10:32:00.312 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 10:32:00.312 INFO kablam! 
Sep 01 10:32:00.333 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.333 INFO kablam!    --> src/header.rs:207:21
Sep 01 10:32:00.333 INFO kablam!     |
Sep 01 10:32:00.333 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 01 10:32:00.333 INFO kablam!     |                     ----^^^
Sep 01 10:32:00.333 INFO kablam!     |                     |
Sep 01 10:32:00.333 INFO kablam!     |                     help: remove this `mut`
Sep 01 10:32:00.333 INFO kablam!     |
Sep 01 10:32:00.333 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 10:32:00.333 INFO kablam! 
Sep 01 10:32:00.367 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.367 INFO kablam!    --> src/read.rs:146:58
Sep 01 10:32:00.367 INFO kablam!     |
Sep 01 10:32:00.367 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.367 INFO kablam!     |                                                          ----^^^
Sep 01 10:32:00.367 INFO kablam!     |                                                          |
Sep 01 10:32:00.367 INFO kablam!     |                                                          help: remove this `mut`
Sep 01 10:32:00.367 INFO kablam! 
Sep 01 10:32:00.367 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.367 INFO kablam!    --> src/read.rs:146:58
Sep 01 10:32:00.367 INFO kablam!     |
Sep 01 10:32:00.367 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.367 INFO kablam!     |                                                          ----^^^
Sep 01 10:32:00.367 INFO kablam!     |                                                          |
Sep 01 10:32:00.367 INFO kablam!     |                                                          help: remove this `mut`
Sep 01 10:32:00.367 INFO kablam! 
Sep 01 10:32:00.371 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.371 INFO kablam!    --> src/read.rs:193:33
Sep 01 10:32:00.371 INFO kablam!     |
Sep 01 10:32:00.371 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.371 INFO kablam!     |                                 ----^^^
Sep 01 10:32:00.371 INFO kablam!     |                                 |
Sep 01 10:32:00.371 INFO kablam!     |                                 help: remove this `mut`
Sep 01 10:32:00.371 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.371 INFO kablam!    --> src/read.rs:193:33
Sep 01 10:32:00.371 INFO kablam!     |
Sep 01 10:32:00.371 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.371 INFO kablam!     |                                 ----^^^
Sep 01 10:32:00.371 INFO kablam!     |                                 |
Sep 01 10:32:00.371 INFO kablam!     |                                 help: remove this `mut`
Sep 01 10:32:00.371 INFO kablam! 
Sep 01 10:32:00.371 INFO kablam! 
Sep 01 10:32:01.422 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
Sep 01 10:32:01.426 INFO kablam! su: No module specific data is present
Sep 01 10:32:02.118 INFO running `"docker" "rm" "-f" "1d8639ef1bf1946c99241687a05e737e3265cfee95051c0ead2a488fbac5768a"`
Sep 01 10:32:02.202 INFO blam! 1d8639ef1bf1946c99241687a05e737e3265cfee95051c0ead2a488fbac5768a