Dec 04 15:55:25.240 INFO checking kenpratt/jvm-assembler against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:55:25.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 15:55:25.499 INFO [stdout] 85932bf3f02d43fc32837e598e37dc6989a2ba86c04168f6223935781045e580
Dec 04 15:55:25.501 INFO running `"docker" "start" "-a" "85932bf3f02d43fc32837e598e37dc6989a2ba86c04168f6223935781045e580"`
Dec 04 15:55:26.147 INFO [stderr] usermod: no changes
Dec 04 15:55:26.235 INFO [stderr]     Checking jvm-assembler v0.0.1 (/source)
Dec 04 15:55:27.375 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.375 INFO [stderr]   --> src/serialization.rs:21:13
Dec 04 15:55:27.375 INFO [stderr]    |
Dec 04 15:55:27.375 INFO [stderr] 21 |         let mut buf = &mut Deserializer::new(Box::new(stream.bytes().map(|r| r.unwrap())));
Dec 04 15:55:27.375 INFO [stderr]    |             ----^^^
Dec 04 15:55:27.375 INFO [stderr]    |             |
Dec 04 15:55:27.375 INFO [stderr]    |             help: remove this `mut`
Dec 04 15:55:27.375 INFO [stderr]    |
Dec 04 15:55:27.375 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:55:27.375 INFO [stderr] 
Dec 04 15:55:27.395 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.395 INFO [stderr]    --> src/serialization.rs:279:13
Dec 04 15:55:27.395 INFO [stderr]     |
Dec 04 15:55:27.395 INFO [stderr] 279 |         let mut code_buf = &mut Deserializer::new(Box::new(code.into_iter()));
Dec 04 15:55:27.395 INFO [stderr]     |             ----^^^^^^^^
Dec 04 15:55:27.395 INFO [stderr]     |             |
Dec 04 15:55:27.395 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:55:27.395 INFO [stderr] 
Dec 04 15:55:27.402 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.403 INFO [stderr]    --> src/serialization.rs:377:13
Dec 04 15:55:27.403 INFO [stderr]     |
Dec 04 15:55:27.403 INFO [stderr] 377 |         let mut attribute_name_index;
Dec 04 15:55:27.403 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^
Dec 04 15:55:27.403 INFO [stderr]     |             |
Dec 04 15:55:27.403 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:55:27.403 INFO [stderr] 
Dec 04 15:55:27.403 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.403 INFO [stderr]    --> src/serialization.rs:380:17
Dec 04 15:55:27.403 INFO [stderr]     |
Dec 04 15:55:27.403 INFO [stderr] 380 |             let mut body_buf = &mut attribute_body;
Dec 04 15:55:27.403 INFO [stderr]     |                 ----^^^^^^^^
Dec 04 15:55:27.403 INFO [stderr]     |                 |
Dec 04 15:55:27.403 INFO [stderr]     |                 help: remove this `mut`
Dec 04 15:55:27.403 INFO [stderr] 
Dec 04 15:55:27.406 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.407 INFO [stderr]    --> src/serialization.rs:416:13
Dec 04 15:55:27.407 INFO [stderr]     |
Dec 04 15:55:27.407 INFO [stderr] 416 |         let mut buf2 = &mut Deserializer::new(Box::new(attribute_body.into_iter()));
Dec 04 15:55:27.407 INFO [stderr]     |             ----^^^^
Dec 04 15:55:27.407 INFO [stderr]     |             |
Dec 04 15:55:27.407 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:55:27.407 INFO [stderr] 
Dec 04 15:55:27.479 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.479 INFO [stderr]   --> src/serialization.rs:21:13
Dec 04 15:55:27.479 INFO [stderr]    |
Dec 04 15:55:27.479 INFO [stderr] 21 |         let mut buf = &mut Deserializer::new(Box::new(stream.bytes().map(|r| r.unwrap())));
Dec 04 15:55:27.479 INFO [stderr]    |             ----^^^
Dec 04 15:55:27.479 INFO [stderr]    |             |
Dec 04 15:55:27.479 INFO [stderr]    |             help: remove this `mut`
Dec 04 15:55:27.479 INFO [stderr]    |
Dec 04 15:55:27.479 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:55:27.479 INFO [stderr] 
Dec 04 15:55:27.507 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.507 INFO [stderr]    --> src/serialization.rs:279:13
Dec 04 15:55:27.507 INFO [stderr]     |
Dec 04 15:55:27.507 INFO [stderr] 279 |         let mut code_buf = &mut Deserializer::new(Box::new(code.into_iter()));
Dec 04 15:55:27.507 INFO [stderr]     |             ----^^^^^^^^
Dec 04 15:55:27.507 INFO [stderr]     |             |
Dec 04 15:55:27.507 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:55:27.507 INFO [stderr] 
Dec 04 15:55:27.510 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.511 INFO [stderr]    --> src/serialization.rs:377:13
Dec 04 15:55:27.511 INFO [stderr]     |
Dec 04 15:55:27.511 INFO [stderr] 377 |         let mut attribute_name_index;
Dec 04 15:55:27.511 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^
Dec 04 15:55:27.511 INFO [stderr]     |             |
Dec 04 15:55:27.511 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:55:27.511 INFO [stderr] 
Dec 04 15:55:27.511 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.511 INFO [stderr]    --> src/serialization.rs:380:17
Dec 04 15:55:27.511 INFO [stderr]     |
Dec 04 15:55:27.511 INFO [stderr] 380 |             let mut body_buf = &mut attribute_body;
Dec 04 15:55:27.511 INFO [stderr]     |                 ----^^^^^^^^
Dec 04 15:55:27.511 INFO [stderr]     |                 |
Dec 04 15:55:27.511 INFO [stderr]     |                 help: remove this `mut`
Dec 04 15:55:27.511 INFO [stderr] 
Dec 04 15:55:27.514 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:55:27.515 INFO [stderr]    --> src/serialization.rs:416:13
Dec 04 15:55:27.515 INFO [stderr]     |
Dec 04 15:55:27.515 INFO [stderr] 416 |         let mut buf2 = &mut Deserializer::new(Box::new(attribute_body.into_iter()));
Dec 04 15:55:27.515 INFO [stderr]     |             ----^^^^
Dec 04 15:55:27.515 INFO [stderr]     |             |
Dec 04 15:55:27.515 INFO [stderr]     |             help: remove this `mut`
Dec 04 15:55:27.515 INFO [stderr] 
Dec 04 15:55:28.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Dec 04 15:55:28.859 INFO [stderr] su: No module specific data is present
Dec 04 15:55:29.253 INFO running `"docker" "inspect" "85932bf3f02d43fc32837e598e37dc6989a2ba86c04168f6223935781045e580"`
Dec 04 15:55:29.365 INFO running `"docker" "rm" "-f" "85932bf3f02d43fc32837e598e37dc6989a2ba86c04168f6223935781045e580"`
Dec 04 15:55:29.495 INFO [stdout] 85932bf3f02d43fc32837e598e37dc6989a2ba86c04168f6223935781045e580