Jul 12 06:35:40.702 INFO checking impl_ops-0.1.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 06:35:40.702 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:35:40.702 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:35:40.702 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-7/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 06:35:40.953 INFO blam! 85d55396e193e142a35648e2cfbff6790980e447d210ed28a8772ca64e61faf5
Jul 12 06:35:40.955 INFO running `"docker" "start" "-a" "85d55396e193e142a35648e2cfbff6790980e447d210ed28a8772ca64e61faf5"`
Jul 12 06:35:41.721 INFO kablam!     Checking impl_ops v0.1.1 (file:///source)
Jul 12 06:35:43.460 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.460 INFO kablam!    --> tests/assignment.rs:150:5
Jul 12 06:35:43.460 INFO kablam!     |
Jul 12 06:35:43.460 INFO kablam! 150 |     impl_op!(+= |a: &mut kong::Donkey, b: &kong::Dixie| { a.bananas += b.bananas; });
Jul 12 06:35:43.460 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.460 INFO kablam!     |
Jul 12 06:35:43.460 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 06:35:43.460 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.460 INFO kablam! 
Jul 12 06:35:43.461 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.461 INFO kablam!    --> tests/assignment.rs:170:5
Jul 12 06:35:43.461 INFO kablam!     |
Jul 12 06:35:43.461 INFO kablam! 170 |     impl_op_ex!(*= |a: &mut kong::Donkey, b: &kong::Dixie| { a.bananas *= b.bananas; });
Jul 12 06:35:43.461 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.462 INFO kablam!     |
Jul 12 06:35:43.462 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.462 INFO kablam! 
Jul 12 06:35:43.464 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.464 INFO kablam!    --> tests/assignment.rs:192:5
Jul 12 06:35:43.464 INFO kablam!     |
Jul 12 06:35:43.464 INFO kablam! 192 |     impl_op_ex!(-= |a: &mut kong::Barrel<i32>, b: &kong::Barrel<u32>| { a.bananas -= b.bananas as i32; });
Jul 12 06:35:43.464 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.464 INFO kablam!     |
Jul 12 06:35:43.465 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.465 INFO kablam! 
Jul 12 06:35:43.466 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.467 INFO kablam!    --> tests/assignment.rs:217:5
Jul 12 06:35:43.467 INFO kablam!     |
Jul 12 06:35:43.467 INFO kablam! 217 | /     impl_op_ex!(-= |a: &mut kong::Donkey, b: &kong::Barrel<i32>| { 
Jul 12 06:35:43.467 INFO kablam! 218 | |         a.bananas += 0;
Jul 12 06:35:43.467 INFO kablam! 219 | |         a.bananas -= b.bananas; 
Jul 12 06:35:43.467 INFO kablam! 220 | |     });
Jul 12 06:35:43.467 INFO kablam!     | |_______^ help: remove this `mut`
Jul 12 06:35:43.468 INFO kablam!     |
Jul 12 06:35:43.468 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.468 INFO kablam! 
Jul 12 06:35:43.468 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.469 INFO kablam!   --> tests/assignment.rs:58:5
Jul 12 06:35:43.469 INFO kablam!    |
Jul 12 06:35:43.469 INFO kablam! 58 |     impl_op!(+= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas += b.bananas; });
Jul 12 06:35:43.469 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.469 INFO kablam!    |
Jul 12 06:35:43.469 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.469 INFO kablam! 
Jul 12 06:35:43.470 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.470 INFO kablam!   --> tests/assignment.rs:66:5
Jul 12 06:35:43.470 INFO kablam!    |
Jul 12 06:35:43.470 INFO kablam! 66 |     impl_op!(-= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas -= b.bananas; });
Jul 12 06:35:43.470 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.471 INFO kablam!    |
Jul 12 06:35:43.471 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.471 INFO kablam! 
Jul 12 06:35:43.472 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.472 INFO kablam!   --> tests/assignment.rs:74:5
Jul 12 06:35:43.472 INFO kablam!    |
Jul 12 06:35:43.472 INFO kablam! 74 |     impl_op!(*= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas *= b.bananas; });
Jul 12 06:35:43.472 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.473 INFO kablam!    |
Jul 12 06:35:43.473 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.473 INFO kablam! 
Jul 12 06:35:43.474 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.474 INFO kablam!   --> tests/assignment.rs:82:5
Jul 12 06:35:43.474 INFO kablam!    |
Jul 12 06:35:43.474 INFO kablam! 82 |     impl_op!(/= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas /= b.bananas; });
Jul 12 06:35:43.474 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.474 INFO kablam!    |
Jul 12 06:35:43.474 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.474 INFO kablam! 
Jul 12 06:35:43.475 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.475 INFO kablam!   --> tests/assignment.rs:90:5
Jul 12 06:35:43.475 INFO kablam!    |
Jul 12 06:35:43.476 INFO kablam! 90 |     impl_op!(%= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas %= b.bananas; });
Jul 12 06:35:43.476 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.476 INFO kablam!    |
Jul 12 06:35:43.476 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.476 INFO kablam! 
Jul 12 06:35:43.477 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.477 INFO kablam!   --> tests/assignment.rs:98:5
Jul 12 06:35:43.477 INFO kablam!    |
Jul 12 06:35:43.477 INFO kablam! 98 |     impl_op!(&= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas &= b.bananas; });
Jul 12 06:35:43.477 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.478 INFO kablam!    |
Jul 12 06:35:43.478 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.478 INFO kablam! 
Jul 12 06:35:43.479 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.479 INFO kablam!    --> tests/assignment.rs:106:5
Jul 12 06:35:43.479 INFO kablam!     |
Jul 12 06:35:43.479 INFO kablam! 106 |     impl_op!(|= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas |= b.bananas; });
Jul 12 06:35:43.479 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.480 INFO kablam!     |
Jul 12 06:35:43.480 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.480 INFO kablam! 
Jul 12 06:35:43.481 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.481 INFO kablam!    --> tests/assignment.rs:114:5
Jul 12 06:35:43.481 INFO kablam!     |
Jul 12 06:35:43.481 INFO kablam! 114 |     impl_op!(^= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas ^= b.bananas; });
Jul 12 06:35:43.481 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.481 INFO kablam!     |
Jul 12 06:35:43.482 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.482 INFO kablam! 
Jul 12 06:35:43.483 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.483 INFO kablam!    --> tests/assignment.rs:122:5
Jul 12 06:35:43.483 INFO kablam!     |
Jul 12 06:35:43.483 INFO kablam! 122 |     impl_op!(<<= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas <<= b.bananas; });
Jul 12 06:35:43.483 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.483 INFO kablam!     |
Jul 12 06:35:43.484 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.484 INFO kablam! 
Jul 12 06:35:43.485 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.485 INFO kablam!    --> tests/assignment.rs:130:5
Jul 12 06:35:43.485 INFO kablam!     |
Jul 12 06:35:43.485 INFO kablam! 130 |     impl_op!(>>= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas >>= b.bananas; });
Jul 12 06:35:43.485 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.485 INFO kablam!     |
Jul 12 06:35:43.486 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.486 INFO kablam! 
Jul 12 06:35:43.487 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.487 INFO kablam!    --> tests/assignment.rs:142:5
Jul 12 06:35:43.488 INFO kablam!     |
Jul 12 06:35:43.488 INFO kablam! 142 |     impl_op!(+= |a: &mut kong::Donkey, b: kong::Dixie| { a.bananas += b.bananas; });
Jul 12 06:35:43.488 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.488 INFO kablam!     |
Jul 12 06:35:43.488 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.488 INFO kablam! 
Jul 12 06:35:43.490 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.490 INFO kablam!    --> tests/assignment.rs:162:5
Jul 12 06:35:43.490 INFO kablam!     |
Jul 12 06:35:43.490 INFO kablam! 162 |     impl_op_ex!(-= |a: &mut kong::Donkey, b: kong::Dixie| { a.bananas -= b.bananas; });
Jul 12 06:35:43.490 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.490 INFO kablam!     |
Jul 12 06:35:43.491 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.491 INFO kablam! 
Jul 12 06:35:43.492 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.492 INFO kablam!    --> tests/assignment.rs:170:5
Jul 12 06:35:43.492 INFO kablam!     |
Jul 12 06:35:43.493 INFO kablam! 170 |     impl_op_ex!(*= |a: &mut kong::Donkey, b: &kong::Dixie| { a.bananas *= b.bananas; });
Jul 12 06:35:43.493 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.493 INFO kablam!     |
Jul 12 06:35:43.493 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.493 INFO kablam! 
Jul 12 06:35:43.496 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.496 INFO kablam!    --> tests/assignment.rs:184:5
Jul 12 06:35:43.496 INFO kablam!     |
Jul 12 06:35:43.496 INFO kablam! 184 |     impl_op!(+= |a: &mut kong::Barrel<i32>, b: kong::Barrel<u32>| { a.bananas += b.bananas as i32; });
Jul 12 06:35:43.496 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.496 INFO kablam!     |
Jul 12 06:35:43.496 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.496 INFO kablam! 
Jul 12 06:35:43.499 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.499 INFO kablam!    --> tests/assignment.rs:192:5
Jul 12 06:35:43.499 INFO kablam!     |
Jul 12 06:35:43.499 INFO kablam! 192 |     impl_op_ex!(-= |a: &mut kong::Barrel<i32>, b: &kong::Barrel<u32>| { a.bananas -= b.bananas as i32; });
Jul 12 06:35:43.499 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Jul 12 06:35:43.499 INFO kablam!     |
Jul 12 06:35:43.499 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.499 INFO kablam! 
Jul 12 06:35:43.501 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.501 INFO kablam!    --> tests/assignment.rs:206:5
Jul 12 06:35:43.501 INFO kablam!     |
Jul 12 06:35:43.501 INFO kablam! 206 | /     impl_op!(+= |a: &mut kong::Donkey, b: kong::Barrel<i32>| {
Jul 12 06:35:43.501 INFO kablam! 207 | |         a.bananas += 0; 
Jul 12 06:35:43.501 INFO kablam! 208 | |         a.bananas += b.bananas;
Jul 12 06:35:43.501 INFO kablam! 209 | |     });
Jul 12 06:35:43.501 INFO kablam!     | |_______^ help: remove this `mut`
Jul 12 06:35:43.501 INFO kablam!     |
Jul 12 06:35:43.501 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.501 INFO kablam! 
Jul 12 06:35:43.504 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:35:43.504 INFO kablam!    --> tests/assignment.rs:217:5
Jul 12 06:35:43.504 INFO kablam!     |
Jul 12 06:35:43.504 INFO kablam! 217 | /     impl_op_ex!(-= |a: &mut kong::Donkey, b: &kong::Barrel<i32>| { 
Jul 12 06:35:43.504 INFO kablam! 218 | |         a.bananas += 0;
Jul 12 06:35:43.505 INFO kablam! 219 | |         a.bananas -= b.bananas; 
Jul 12 06:35:43.505 INFO kablam! 220 | |     });
Jul 12 06:35:43.505 INFO kablam!     | |_______^ help: remove this `mut`
Jul 12 06:35:43.505 INFO kablam!     |
Jul 12 06:35:43.505 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Jul 12 06:35:43.505 INFO kablam! 
Jul 12 06:35:44.261 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Jul 12 06:35:44.264 INFO kablam! su: No module specific data is present
Jul 12 06:35:44.963 INFO running `"docker" "rm" "-f" "85d55396e193e142a35648e2cfbff6790980e447d210ed28a8772ca64e61faf5"`
Jul 12 06:35:45.087 INFO blam! 85d55396e193e142a35648e2cfbff6790980e447d210ed28a8772ca64e61faf5