Oct 12 19:07:47.615 INFO checking kenpratt/jvm-assembler against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:07:47.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 19:07:48.164 INFO blam! 733d3296fd8b9808a980dae24d03e54ed50e5a73a48472168e7b57be314f4ed5
Oct 12 19:07:48.173 INFO running `"docker" "start" "-a" "733d3296fd8b9808a980dae24d03e54ed50e5a73a48472168e7b57be314f4ed5"`
Oct 12 19:07:49.157 INFO kablam! usermod: no changes
Oct 12 19:07:49.205 INFO kablam!     Checking jvm-assembler v0.0.1 (/source)
Oct 12 19:07:50.464 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:50.464 INFO kablam!   --> src/serialization.rs:21:13
Oct 12 19:07:50.464 INFO kablam!    |
Oct 12 19:07:50.464 INFO kablam! 21 |         let mut buf = &mut Deserializer::new(Box::new(stream.bytes().map(|r| r.unwrap())));
Oct 12 19:07:50.464 INFO kablam!    |             ----^^^
Oct 12 19:07:50.464 INFO kablam!    |             |
Oct 12 19:07:50.464 INFO kablam!    |             help: remove this `mut`
Oct 12 19:07:50.464 INFO kablam!    |
Oct 12 19:07:50.464 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 19:07:50.464 INFO kablam! 
Oct 12 19:07:50.492 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:50.492 INFO kablam!    --> src/serialization.rs:279:13
Oct 12 19:07:50.492 INFO kablam!     |
Oct 12 19:07:50.492 INFO kablam! 279 |         let mut code_buf = &mut Deserializer::new(Box::new(code.into_iter()));
Oct 12 19:07:50.492 INFO kablam!     |             ----^^^^^^^^
Oct 12 19:07:50.492 INFO kablam!     |             |
Oct 12 19:07:50.492 INFO kablam!     |             help: remove this `mut`
Oct 12 19:07:50.492 INFO kablam! 
Oct 12 19:07:50.498 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:50.498 INFO kablam!    --> src/serialization.rs:377:13
Oct 12 19:07:50.498 INFO kablam!     |
Oct 12 19:07:50.498 INFO kablam! 377 |         let mut attribute_name_index;
Oct 12 19:07:50.498 INFO kablam!     |             ----^^^^^^^^^^^^^^^^^^^^
Oct 12 19:07:50.498 INFO kablam!     |             |
Oct 12 19:07:50.498 INFO kablam!     |             help: remove this `mut`
Oct 12 19:07:50.498 INFO kablam! 
Oct 12 19:07:50.498 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:50.498 INFO kablam!    --> src/serialization.rs:380:17
Oct 12 19:07:50.498 INFO kablam!     |
Oct 12 19:07:50.498 INFO kablam! 380 |             let mut body_buf = &mut attribute_body;
Oct 12 19:07:50.498 INFO kablam!     |                 ----^^^^^^^^
Oct 12 19:07:50.498 INFO kablam!     |                 |
Oct 12 19:07:50.498 INFO kablam!     |                 help: remove this `mut`
Oct 12 19:07:50.498 INFO kablam! 
Oct 12 19:07:50.508 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:50.508 INFO kablam!    --> src/serialization.rs:416:13
Oct 12 19:07:50.508 INFO kablam!     |
Oct 12 19:07:50.508 INFO kablam! 416 |         let mut buf2 = &mut Deserializer::new(Box::new(attribute_body.into_iter()));
Oct 12 19:07:50.508 INFO kablam!     |             ----^^^^
Oct 12 19:07:50.508 INFO kablam!     |             |
Oct 12 19:07:50.508 INFO kablam!     |             help: remove this `mut`
Oct 12 19:07:50.508 INFO kablam! 
Oct 12 19:07:51.396 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:51.396 INFO kablam!   --> src/serialization.rs:21:13
Oct 12 19:07:51.396 INFO kablam!    |
Oct 12 19:07:51.396 INFO kablam! 21 |         let mut buf = &mut Deserializer::new(Box::new(stream.bytes().map(|r| r.unwrap())));
Oct 12 19:07:51.396 INFO kablam!    |             ----^^^
Oct 12 19:07:51.396 INFO kablam!    |             |
Oct 12 19:07:51.396 INFO kablam!    |             help: remove this `mut`
Oct 12 19:07:51.396 INFO kablam!    |
Oct 12 19:07:51.396 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 19:07:51.396 INFO kablam! 
Oct 12 19:07:51.468 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:51.468 INFO kablam!    --> src/serialization.rs:279:13
Oct 12 19:07:51.468 INFO kablam!     |
Oct 12 19:07:51.468 INFO kablam! 279 |         let mut code_buf = &mut Deserializer::new(Box::new(code.into_iter()));
Oct 12 19:07:51.468 INFO kablam!     |             ----^^^^^^^^
Oct 12 19:07:51.468 INFO kablam!     |             |
Oct 12 19:07:51.468 INFO kablam!     |             help: remove this `mut`
Oct 12 19:07:51.468 INFO kablam! 
Oct 12 19:07:51.493 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:51.493 INFO kablam!    --> src/serialization.rs:377:13
Oct 12 19:07:51.493 INFO kablam!     |
Oct 12 19:07:51.493 INFO kablam! 377 |         let mut attribute_name_index;
Oct 12 19:07:51.493 INFO kablam!     |             ----^^^^^^^^^^^^^^^^^^^^
Oct 12 19:07:51.493 INFO kablam!     |             |
Oct 12 19:07:51.494 INFO kablam!     |             help: remove this `mut`
Oct 12 19:07:51.494 INFO kablam! 
Oct 12 19:07:51.494 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:51.494 INFO kablam!    --> src/serialization.rs:380:17
Oct 12 19:07:51.494 INFO kablam!     |
Oct 12 19:07:51.494 INFO kablam! 380 |             let mut body_buf = &mut attribute_body;
Oct 12 19:07:51.494 INFO kablam!     |                 ----^^^^^^^^
Oct 12 19:07:51.494 INFO kablam!     |                 |
Oct 12 19:07:51.494 INFO kablam!     |                 help: remove this `mut`
Oct 12 19:07:51.494 INFO kablam! 
Oct 12 19:07:51.508 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:07:51.508 INFO kablam!    --> src/serialization.rs:416:13
Oct 12 19:07:51.508 INFO kablam!     |
Oct 12 19:07:51.508 INFO kablam! 416 |         let mut buf2 = &mut Deserializer::new(Box::new(attribute_body.into_iter()));
Oct 12 19:07:51.509 INFO kablam!     |             ----^^^^
Oct 12 19:07:51.509 INFO kablam!     |             |
Oct 12 19:07:51.509 INFO kablam!     |             help: remove this `mut`
Oct 12 19:07:51.509 INFO kablam! 
Oct 12 19:07:51.988 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
Oct 12 19:07:51.988 INFO kablam! su: No module specific data is present
Oct 12 19:07:52.386 INFO running `"docker" "rm" "-f" "733d3296fd8b9808a980dae24d03e54ed50e5a73a48472168e7b57be314f4ed5"`
Oct 12 19:07:52.537 INFO blam! 733d3296fd8b9808a980dae24d03e54ed50e5a73a48472168e7b57be314f4ed5