Sep 19 20:52:44.027 INFO checking png-0.5.2 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 20:52:44.027 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 20:52:44.027 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:52:44.282 INFO blam! 1c69e3162b899ba4cd0c249a7506a1399e81f8c570ce74dab54daf929aec0240
Sep 19 20:52:44.283 INFO running `"docker" "start" "-a" "1c69e3162b899ba4cd0c249a7506a1399e81f8c570ce74dab54daf929aec0240"`
Sep 19 20:52:44.895 INFO kablam! usermod: no changes
Sep 19 20:52:45.096 INFO kablam!     Checking debug-builders v0.1.0
Sep 19 20:52:45.099 INFO kablam!    Compiling glutin v0.5.2
Sep 19 20:52:45.099 INFO kablam!    Compiling glium v0.14.0
Sep 19 20:52:45.109 INFO kablam!     Checking png v0.5.2 (/source)
Sep 19 20:52:45.587 INFO kablam! warning: unnecessary parentheses around method argument
Sep 19 20:52:45.587 INFO kablam!    --> src/filter.rs:111:54
Sep 19 20:52:45.587 INFO kablam!     |
Sep 19 20:52:45.587 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 19 20:52:45.587 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 19 20:52:45.587 INFO kablam!     |
Sep 19 20:52:45.587 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 19 20:52:45.587 INFO kablam! 
Sep 19 20:52:45.591 INFO kablam!     Checking backtrace v0.1.8
Sep 19 20:52:46.335 INFO kablam! warning: unused import: `Read`
Sep 19 20:52:46.335 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 19 20:52:46.335 INFO kablam!   |
Sep 19 20:52:46.335 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 19 20:52:46.335 INFO kablam!   |                     ^^^^
Sep 19 20:52:46.335 INFO kablam!   |
Sep 19 20:52:46.335 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 20:52:46.335 INFO kablam! 
Sep 19 20:52:46.335 INFO kablam! warning: unused import: `Write`
Sep 19 20:52:46.335 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 19 20:52:46.335 INFO kablam!   |
Sep 19 20:52:46.335 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 19 20:52:46.335 INFO kablam!   |                           ^^^^^
Sep 19 20:52:46.335 INFO kablam! 
Sep 19 20:52:46.335 INFO kablam! warning: unused import: `AsRef`
Sep 19 20:52:46.335 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 19 20:52:46.335 INFO kablam!   |
Sep 19 20:52:46.335 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 19 20:52:46.335 INFO kablam!   |                          ^^^^^
Sep 19 20:52:46.335 INFO kablam! 
Sep 19 20:52:46.335 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 19 20:52:46.335 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 19 20:52:46.335 INFO kablam!   |
Sep 19 20:52:46.335 INFO kablam! 8 | use std::convert::AsRef;
Sep 19 20:52:46.335 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 19 20:52:46.335 INFO kablam! 
Sep 19 20:52:46.503 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:52:46.503 INFO kablam!   --> src/traits.rs:18:49
Sep 19 20:52:46.503 INFO kablam!    |
Sep 19 20:52:46.503 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 19 20:52:46.503 INFO kablam!    |                                                 ----^^^
Sep 19 20:52:46.503 INFO kablam!    |                                                 |
Sep 19 20:52:46.503 INFO kablam!    |                                                 help: remove this `mut`
Sep 19 20:52:46.503 INFO kablam!    |
Sep 19 20:52:46.503 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 20:52:46.503 INFO kablam! 
Sep 19 20:53:12.431 INFO kablam! warning: unnecessary parentheses around method argument
Sep 19 20:53:12.431 INFO kablam!    --> src/filter.rs:111:54
Sep 19 20:53:12.431 INFO kablam!     |
Sep 19 20:53:12.431 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 19 20:53:12.431 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 19 20:53:12.431 INFO kablam!     |
Sep 19 20:53:12.431 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 19 20:53:12.431 INFO kablam! 
Sep 19 20:53:13.144 INFO kablam! warning: unused `#[macro_use]` import
Sep 19 20:53:13.144 INFO kablam!  --> examples/show.rs:1:1
Sep 19 20:53:13.144 INFO kablam!   |
Sep 19 20:53:13.144 INFO kablam! 1 | #[macro_use]
Sep 19 20:53:13.144 INFO kablam!   | ^^^^^^^^^^^^
Sep 19 20:53:13.144 INFO kablam!   |
Sep 19 20:53:13.145 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 20:53:13.145 INFO kablam! 
Sep 19 20:53:13.159 INFO kablam! warning: unused import: `Read`
Sep 19 20:53:13.160 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 19 20:53:13.160 INFO kablam!   |
Sep 19 20:53:13.160 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 19 20:53:13.160 INFO kablam!   |                     ^^^^
Sep 19 20:53:13.160 INFO kablam!   |
Sep 19 20:53:13.160 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 20:53:13.160 INFO kablam! 
Sep 19 20:53:13.160 INFO kablam! warning: unused import: `Write`
Sep 19 20:53:13.160 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 19 20:53:13.160 INFO kablam!   |
Sep 19 20:53:13.160 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 19 20:53:13.160 INFO kablam!   |                           ^^^^^
Sep 19 20:53:13.160 INFO kablam! 
Sep 19 20:53:13.160 INFO kablam! warning: unused import: `AsRef`
Sep 19 20:53:13.160 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 19 20:53:13.160 INFO kablam!   |
Sep 19 20:53:13.160 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 19 20:53:13.160 INFO kablam!   |                          ^^^^^
Sep 19 20:53:13.160 INFO kablam! 
Sep 19 20:53:13.160 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 19 20:53:13.160 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 19 20:53:13.160 INFO kablam!   |
Sep 19 20:53:13.160 INFO kablam! 8 | use std::convert::AsRef;
Sep 19 20:53:13.160 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 19 20:53:13.160 INFO kablam! 
Sep 19 20:53:13.330 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:53:13.330 INFO kablam!   --> src/traits.rs:18:49
Sep 19 20:53:13.330 INFO kablam!    |
Sep 19 20:53:13.330 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 19 20:53:13.330 INFO kablam!    |                                                 ----^^^
Sep 19 20:53:13.330 INFO kablam!    |                                                 |
Sep 19 20:53:13.330 INFO kablam!    |                                                 help: remove this `mut`
Sep 19 20:53:13.330 INFO kablam!    |
Sep 19 20:53:13.330 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 20:53:13.330 INFO kablam! 
Sep 19 20:53:13.489 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 28.57s
Sep 19 20:53:13.503 INFO kablam! su: No module specific data is present
Sep 19 20:53:14.131 INFO running `"docker" "rm" "-f" "1c69e3162b899ba4cd0c249a7506a1399e81f8c570ce74dab54daf929aec0240"`
Sep 19 20:53:14.344 INFO blam! 1c69e3162b899ba4cd0c249a7506a1399e81f8c570ce74dab54daf929aec0240