Oct 13 00:03:45.054 INFO checking bugaevc/jvm-bindgen against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 00:03:45.056 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/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 13 00:03:45.457 INFO blam! cbd640ca8a5227de03221ae6ac266b695d634829712f42f9a5c4756a5cbcadcd
Oct 13 00:03:45.465 INFO running `"docker" "start" "-a" "cbd640ca8a5227de03221ae6ac266b695d634829712f42f9a5c4756a5cbcadcd"`
Oct 13 00:03:47.393 INFO kablam! usermod: no changes
Oct 13 00:03:47.491 INFO kablam!     Checking nom v4.0.0
Oct 13 00:03:47.492 INFO kablam!     Checking proc-macro2 v0.4.13
Oct 13 00:03:51.788 INFO kablam!     Checking quote v0.6.6
Oct 13 00:03:51.805 INFO kablam!     Checking classfile-parser v0.3.2
Oct 13 00:03:54.874 INFO kablam!     Checking jvm-bindgen v0.1.0 (/source)
Oct 13 00:03:58.648 INFO kablam! warning: unused import: `Read`
Oct 13 00:03:58.649 INFO kablam!  --> src/lib.rs:9:15
Oct 13 00:03:58.650 INFO kablam!   |
Oct 13 00:03:58.650 INFO kablam! 9 | use std::io::{Read, Write};
Oct 13 00:03:58.651 INFO kablam!   |               ^^^^
Oct 13 00:03:58.651 INFO kablam!   |
Oct 13 00:03:58.652 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:03:58.652 INFO kablam! 
Oct 13 00:03:58.653 INFO kablam! warning: unused import: `std::borrow::Cow`
Oct 13 00:03:58.653 INFO kablam!   --> src/lib.rs:18:5
Oct 13 00:03:58.654 INFO kablam!    |
Oct 13 00:03:58.654 INFO kablam! 18 | use std::borrow::Cow;
Oct 13 00:03:58.655 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 13 00:03:58.655 INFO kablam! 
Oct 13 00:03:58.880 INFO kablam! warning: unused variable: `is_upper`
Oct 13 00:03:58.881 INFO kablam!   --> src/lib.rs:59:10
Oct 13 00:03:58.882 INFO kablam!    |
Oct 13 00:03:58.882 INFO kablam! 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Oct 13 00:03:58.883 INFO kablam!    |          ^^^^^^^^ help: consider using `_is_upper` instead
Oct 13 00:03:58.884 INFO kablam!    |
Oct 13 00:03:58.884 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 00:03:58.885 INFO kablam! 
Oct 13 00:03:58.932 INFO kablam! warning: function is never used: `get_class_name`
Oct 13 00:03:58.933 INFO kablam!   --> src/lib.rs:34:1
Oct 13 00:03:58.933 INFO kablam!    |
Oct 13 00:03:58.934 INFO kablam! 34 | fn get_class_name<'a>(class: &'a ClassConstant, class_file: &'a ClassFile) -> &'a str {
Oct 13 00:03:58.934 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.935 INFO kablam!    |
Oct 13 00:03:58.935 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 00:03:58.936 INFO kablam! 
Oct 13 00:03:58.937 INFO kablam! warning: struct is never constructed: `RustFmt`
Oct 13 00:03:58.937 INFO kablam!   --> src/lib.rs:38:1
Oct 13 00:03:58.937 INFO kablam!    |
Oct 13 00:03:58.938 INFO kablam! 38 | struct RustFmt(Child);
Oct 13 00:03:58.938 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.939 INFO kablam! 
Oct 13 00:03:58.939 INFO kablam! warning: method is never used: `launch`
Oct 13 00:03:58.940 INFO kablam!   --> src/lib.rs:41:5
Oct 13 00:03:58.940 INFO kablam!    |
Oct 13 00:03:58.940 INFO kablam! 41 |     fn launch() -> io::Result<RustFmt> {
Oct 13 00:03:58.940 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.941 INFO kablam! 
Oct 13 00:03:58.941 INFO kablam! warning: method is never used: `stdin`
Oct 13 00:03:58.941 INFO kablam!   --> src/lib.rs:49:5
Oct 13 00:03:58.941 INFO kablam!    |
Oct 13 00:03:58.941 INFO kablam! 49 |     fn stdin(&mut self) -> &mut ChildStdin { self.0.stdin.as_mut().unwrap() }
Oct 13 00:03:58.941 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.941 INFO kablam! 
Oct 13 00:03:58.943 INFO kablam! warning: method is never used: `stdout`
Oct 13 00:03:58.943 INFO kablam!   --> src/lib.rs:50:5
Oct 13 00:03:58.943 INFO kablam!    |
Oct 13 00:03:58.943 INFO kablam! 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Oct 13 00:03:58.943 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.943 INFO kablam! 
Oct 13 00:03:58.944 INFO kablam! warning: function is never used: `transform_name`
Oct 13 00:03:58.944 INFO kablam!   --> src/lib.rs:53:1
Oct 13 00:03:58.944 INFO kablam!    |
Oct 13 00:03:58.944 INFO kablam! 53 | fn transform_name(java_name: &str) -> String {
Oct 13 00:03:58.944 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.944 INFO kablam! 
Oct 13 00:03:58.945 INFO kablam! warning: function is never used: `gen_method`
Oct 13 00:03:58.945 INFO kablam!   --> src/lib.rs:85:1
Oct 13 00:03:58.945 INFO kablam!    |
Oct 13 00:03:58.945 INFO kablam! 85 | fn gen_method(class_file: &ClassFile, method: &method_info::MethodInfo) -> TokenStream {
Oct 13 00:03:58.945 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.945 INFO kablam! 
Oct 13 00:03:58.946 INFO kablam! warning: function is never used: `bindgen`
Oct 13 00:03:58.946 INFO kablam!   --> src/lib.rs:95:1
Oct 13 00:03:58.946 INFO kablam!    |
Oct 13 00:03:58.946 INFO kablam! 95 | fn bindgen(class_name: &str) {
Oct 13 00:03:58.946 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:58.946 INFO kablam! 
Oct 13 00:03:59.122 INFO kablam! warning: unused import: `Read`
Oct 13 00:03:59.122 INFO kablam!  --> src/lib.rs:9:15
Oct 13 00:03:59.122 INFO kablam!   |
Oct 13 00:03:59.122 INFO kablam! 9 | use std::io::{Read, Write};
Oct 13 00:03:59.122 INFO kablam!   |               ^^^^
Oct 13 00:03:59.122 INFO kablam!   |
Oct 13 00:03:59.122 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:03:59.122 INFO kablam! 
Oct 13 00:03:59.122 INFO kablam! warning: unused import: `std::borrow::Cow`
Oct 13 00:03:59.122 INFO kablam!   --> src/lib.rs:18:5
Oct 13 00:03:59.122 INFO kablam!    |
Oct 13 00:03:59.122 INFO kablam! 18 | use std::borrow::Cow;
Oct 13 00:03:59.122 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 13 00:03:59.122 INFO kablam! 
Oct 13 00:03:59.224 INFO kablam! warning: unused variable: `is_upper`
Oct 13 00:03:59.224 INFO kablam!   --> src/lib.rs:59:10
Oct 13 00:03:59.224 INFO kablam!    |
Oct 13 00:03:59.224 INFO kablam! 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Oct 13 00:03:59.224 INFO kablam!    |          ^^^^^^^^ help: consider using `_is_upper` instead
Oct 13 00:03:59.224 INFO kablam!    |
Oct 13 00:03:59.225 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 00:03:59.225 INFO kablam! 
Oct 13 00:03:59.239 INFO kablam! warning: method is never used: `stdout`
Oct 13 00:03:59.239 INFO kablam!   --> src/lib.rs:50:5
Oct 13 00:03:59.239 INFO kablam!    |
Oct 13 00:03:59.239 INFO kablam! 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Oct 13 00:03:59.240 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:03:59.240 INFO kablam!    |
Oct 13 00:03:59.240 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 00:03:59.240 INFO kablam! 
Oct 13 00:03:59.328 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.91s
Oct 13 00:03:59.339 INFO kablam! su: No module specific data is present
Oct 13 00:04:00.652 INFO running `"docker" "rm" "-f" "cbd640ca8a5227de03221ae6ac266b695d634829712f42f9a5c4756a5cbcadcd"`
Oct 13 00:04:01.004 INFO blam! cbd640ca8a5227de03221ae6ac266b695d634829712f42f9a5c4756a5cbcadcd