Sep 01 10:31:57.477 INFO checking qcow2-0.1.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 10:31:57.477 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 10:31:57.477 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 10:31:57.618 INFO blam! 4f5d083d1a01f98c3e439033f2abb89c301a07fd564a0857ee122ca898e99165
Sep 01 10:31:57.620 INFO running `"docker" "start" "-a" "4f5d083d1a01f98c3e439033f2abb89c301a07fd564a0857ee122ca898e99165"`
Sep 01 10:31:58.467 INFO kablam!     Checking positioned-io v0.2.2
Sep 01 10:31:59.165 INFO kablam!     Checking qcow2 v0.1.2 (file:///source)
Sep 01 10:31:59.613 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 10:31:59.613 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:31:59.613 INFO kablam!   |
Sep 01 10:31:59.613 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:31:59.613 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:31:59.613 INFO kablam!   |
Sep 01 10:31:59.613 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 10:31:59.613 INFO kablam! 
Sep 01 10:31:59.750 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 10:31:59.750 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:31:59.750 INFO kablam!   |
Sep 01 10:31:59.750 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:31:59.750 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:31:59.750 INFO kablam!   |
Sep 01 10:31:59.750 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 10:31:59.750 INFO kablam! 
Sep 01 10:32:00.057 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 10:32:00.057 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:32:00.057 INFO kablam!   |
Sep 01 10:32:00.058 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:32:00.058 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.058 INFO kablam!   |
Sep 01 10:32:00.058 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 10:32:00.058 INFO kablam! 
Sep 01 10:32:00.059 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 01 10:32:00.059 INFO kablam!  --> src/extension.rs:7:5
Sep 01 10:32:00.059 INFO kablam!   |
Sep 01 10:32:00.059 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 01 10:32:00.059 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.059 INFO kablam! 
Sep 01 10:32:00.140 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 10:32:00.140 INFO kablam!  --> src/extension.rs:1:5
Sep 01 10:32:00.140 INFO kablam!   |
Sep 01 10:32:00.140 INFO kablam! 1 | use std::ascii::AsciiExt;
Sep 01 10:32:00.140 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.140 INFO kablam!   |
Sep 01 10:32:00.140 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 10:32:00.140 INFO kablam! 
Sep 01 10:32:00.140 INFO kablam! warning: unused import: `byteorder::ReadBytesExt`
Sep 01 10:32:00.140 INFO kablam!  --> src/extension.rs:7:5
Sep 01 10:32:00.140 INFO kablam!   |
Sep 01 10:32:00.140 INFO kablam! 7 | use byteorder::ReadBytesExt;
Sep 01 10:32:00.140 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 10:32:00.140 INFO kablam! 
Sep 01 10:32:00.199 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.199 INFO kablam!    --> src/header.rs:207:21
Sep 01 10:32:00.199 INFO kablam!     |
Sep 01 10:32:00.199 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 01 10:32:00.199 INFO kablam!     |                     ----^^^
Sep 01 10:32:00.199 INFO kablam!     |                     |
Sep 01 10:32:00.199 INFO kablam!     |                     help: remove this `mut`
Sep 01 10:32:00.199 INFO kablam!     |
Sep 01 10:32:00.199 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 10:32:00.199 INFO kablam! 
Sep 01 10:32:00.245 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.245 INFO kablam!    --> src/header.rs:207:21
Sep 01 10:32:00.245 INFO kablam!     |
Sep 01 10:32:00.245 INFO kablam! 207 |                 let mut ext = self.v3.extension(ext_code);
Sep 01 10:32:00.245 INFO kablam!     |                     ----^^^
Sep 01 10:32:00.245 INFO kablam!     |                     |
Sep 01 10:32:00.245 INFO kablam!     |                     help: remove this `mut`
Sep 01 10:32:00.245 INFO kablam!     |
Sep 01 10:32:00.245 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 10:32:00.245 INFO kablam! 
Sep 01 10:32:00.245 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.246 INFO kablam!    --> src/read.rs:146:58
Sep 01 10:32:00.246 INFO kablam!     |
Sep 01 10:32:00.246 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.246 INFO kablam!     |                                                          ----^^^
Sep 01 10:32:00.246 INFO kablam!     |                                                          |
Sep 01 10:32:00.246 INFO kablam!     |                                                          help: remove this `mut`
Sep 01 10:32:00.246 INFO kablam! 
Sep 01 10:32:00.248 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.248 INFO kablam!    --> src/read.rs:193:33
Sep 01 10:32:00.248 INFO kablam!     |
Sep 01 10:32:00.248 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.248 INFO kablam!     |                                 ----^^^
Sep 01 10:32:00.248 INFO kablam!     |                                 |
Sep 01 10:32:00.248 INFO kablam!     |                                 help: remove this `mut`
Sep 01 10:32:00.248 INFO kablam! 
Sep 01 10:32:00.291 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.291 INFO kablam!    --> src/read.rs:146:58
Sep 01 10:32:00.291 INFO kablam!     |
Sep 01 10:32:00.291 INFO kablam! 146 |     fn guest_read<T: ReadIntAt>(&self, l1: &T, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.291 INFO kablam!     |                                                          ----^^^
Sep 01 10:32:00.291 INFO kablam!     |                                                          |
Sep 01 10:32:00.291 INFO kablam!     |                                                          help: remove this `mut`
Sep 01 10:32:00.291 INFO kablam! 
Sep 01 10:32:00.296 INFO kablam! warning: variable does not need to be mutable
Sep 01 10:32:00.296 INFO kablam!    --> src/read.rs:193:33
Sep 01 10:32:00.296 INFO kablam!     |
Sep 01 10:32:00.296 INFO kablam! 193 |     fn read_at(&self, pos: u64, mut buf: &mut [u8]) -> io::Result<usize> {
Sep 01 10:32:00.296 INFO kablam!     |                                 ----^^^
Sep 01 10:32:00.296 INFO kablam!     |                                 |
Sep 01 10:32:00.296 INFO kablam!     |                                 help: remove this `mut`
Sep 01 10:32:00.296 INFO kablam! 
Sep 01 10:32:01.235 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
Sep 01 10:32:01.241 INFO kablam! su: No module specific data is present
Sep 01 10:32:01.927 INFO running `"docker" "rm" "-f" "4f5d083d1a01f98c3e439033f2abb89c301a07fd564a0857ee122ca898e99165"`
Sep 01 10:32:02.015 INFO blam! 4f5d083d1a01f98c3e439033f2abb89c301a07fd564a0857ee122ca898e99165