Nov 28 08:15:02.924 INFO checking bugaevc/jvm-bindgen against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 08:15:02.925 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 08:15:03.414 INFO [stdout] 2225eb5693e07d69a65552538b74542b6a9bf45cfd1d72fa127ed53b161c90cd
Nov 28 08:15:03.417 INFO running `"docker" "start" "-a" "2225eb5693e07d69a65552538b74542b6a9bf45cfd1d72fa127ed53b161c90cd"`
Nov 28 08:15:05.404 INFO [stderr] usermod: no changes
Nov 28 08:15:05.512 INFO [stderr]     Checking memchr v2.0.1
Nov 28 08:15:05.512 INFO [stderr]     Checking proc-macro2 v0.4.13
Nov 28 08:15:06.401 INFO [stderr]     Checking nom v4.0.0
Nov 28 08:15:09.372 INFO [stderr]     Checking classfile-parser v0.3.2
Nov 28 08:15:10.961 INFO [stderr]     Checking quote v0.6.6
Nov 28 08:15:13.768 INFO [stderr]     Checking jvm-bindgen v0.1.0 (/source)
Nov 28 08:15:18.452 INFO [stderr] warning: unused import: `Read`
Nov 28 08:15:18.453 INFO [stderr]  --> src/lib.rs:9:15
Nov 28 08:15:18.454 INFO [stderr]   |
Nov 28 08:15:18.455 INFO [stderr] 9 | use std::io::{Read, Write};
Nov 28 08:15:18.455 INFO [stderr]   |               ^^^^
Nov 28 08:15:18.456 INFO [stderr]   |
Nov 28 08:15:18.456 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:15:18.457 INFO [stderr] 
Nov 28 08:15:18.457 INFO [stderr] warning: unused import: `std::borrow::Cow`
Nov 28 08:15:18.458 INFO [stderr]   --> src/lib.rs:18:5
Nov 28 08:15:18.459 INFO [stderr]    |
Nov 28 08:15:18.459 INFO [stderr] 18 | use std::borrow::Cow;
Nov 28 08:15:18.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 08:15:18.460 INFO [stderr] 
Nov 28 08:15:18.599 INFO [stderr] warning: unused import: `Read`
Nov 28 08:15:18.600 INFO [stderr]  --> src/lib.rs:9:15
Nov 28 08:15:18.601 INFO [stderr]   |
Nov 28 08:15:18.601 INFO [stderr] 9 | use std::io::{Read, Write};
Nov 28 08:15:18.602 INFO [stderr]   |               ^^^^
Nov 28 08:15:18.603 INFO [stderr]   |
Nov 28 08:15:18.603 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:15:18.604 INFO [stderr] 
Nov 28 08:15:18.604 INFO [stderr] warning: unused import: `std::borrow::Cow`
Nov 28 08:15:18.605 INFO [stderr]   --> src/lib.rs:18:5
Nov 28 08:15:18.606 INFO [stderr]    |
Nov 28 08:15:18.606 INFO [stderr] 18 | use std::borrow::Cow;
Nov 28 08:15:18.607 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 08:15:18.607 INFO [stderr] 
Nov 28 08:15:18.611 INFO [stderr] warning: unused variable: `is_upper`
Nov 28 08:15:18.611 INFO [stderr]   --> src/lib.rs:59:10
Nov 28 08:15:18.612 INFO [stderr]    |
Nov 28 08:15:18.613 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Nov 28 08:15:18.613 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Nov 28 08:15:18.614 INFO [stderr]    |
Nov 28 08:15:18.615 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:15:18.615 INFO [stderr] 
Nov 28 08:15:18.642 INFO [stderr] warning: function is never used: `get_class_name`
Nov 28 08:15:18.643 INFO [stderr]   --> src/lib.rs:34:1
Nov 28 08:15:18.643 INFO [stderr]    |
Nov 28 08:15:18.644 INFO [stderr] 34 | fn get_class_name<'a>(class: &'a ClassConstant, class_file: &'a ClassFile) -> &'a str {
Nov 28 08:15:18.645 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.645 INFO [stderr]    |
Nov 28 08:15:18.646 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:15:18.646 INFO [stderr] 
Nov 28 08:15:18.647 INFO [stderr] warning: struct is never constructed: `RustFmt`
Nov 28 08:15:18.648 INFO [stderr]   --> src/lib.rs:38:1
Nov 28 08:15:18.648 INFO [stderr]    |
Nov 28 08:15:18.649 INFO [stderr] 38 | struct RustFmt(Child);
Nov 28 08:15:18.650 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.650 INFO [stderr] 
Nov 28 08:15:18.651 INFO [stderr] warning: method is never used: `launch`
Nov 28 08:15:18.651 INFO [stderr]   --> src/lib.rs:41:5
Nov 28 08:15:18.652 INFO [stderr]    |
Nov 28 08:15:18.653 INFO [stderr] 41 |     fn launch() -> io::Result<RustFmt> {
Nov 28 08:15:18.653 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.654 INFO [stderr] 
Nov 28 08:15:18.654 INFO [stderr] warning: method is never used: `stdin`
Nov 28 08:15:18.655 INFO [stderr]   --> src/lib.rs:49:5
Nov 28 08:15:18.655 INFO [stderr]    |
Nov 28 08:15:18.656 INFO [stderr] 49 |     fn stdin(&mut self) -> &mut ChildStdin { self.0.stdin.as_mut().unwrap() }
Nov 28 08:15:18.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.657 INFO [stderr] 
Nov 28 08:15:18.658 INFO [stderr] warning: method is never used: `stdout`
Nov 28 08:15:18.659 INFO [stderr]   --> src/lib.rs:50:5
Nov 28 08:15:18.659 INFO [stderr]    |
Nov 28 08:15:18.660 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Nov 28 08:15:18.660 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.661 INFO [stderr] 
Nov 28 08:15:18.662 INFO [stderr] warning: function is never used: `transform_name`
Nov 28 08:15:18.662 INFO [stderr]   --> src/lib.rs:53:1
Nov 28 08:15:18.663 INFO [stderr]    |
Nov 28 08:15:18.663 INFO [stderr] 53 | fn transform_name(java_name: &str) -> String {
Nov 28 08:15:18.664 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.664 INFO [stderr] 
Nov 28 08:15:18.665 INFO [stderr] warning: function is never used: `gen_method`
Nov 28 08:15:18.666 INFO [stderr]   --> src/lib.rs:85:1
Nov 28 08:15:18.666 INFO [stderr]    |
Nov 28 08:15:18.667 INFO [stderr] 85 | fn gen_method(class_file: &ClassFile, method: &method_info::MethodInfo) -> TokenStream {
Nov 28 08:15:18.667 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.668 INFO [stderr] 
Nov 28 08:15:18.669 INFO [stderr] warning: function is never used: `bindgen`
Nov 28 08:15:18.669 INFO [stderr]   --> src/lib.rs:95:1
Nov 28 08:15:18.670 INFO [stderr]    |
Nov 28 08:15:18.670 INFO [stderr] 95 | fn bindgen(class_name: &str) {
Nov 28 08:15:18.671 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.672 INFO [stderr] 
Nov 28 08:15:18.673 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:15:18.674 INFO [stderr]    --> src/lib.rs:121:5
Nov 28 08:15:18.674 INFO [stderr]     |
Nov 28 08:15:18.675 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Nov 28 08:15:18.675 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.676 INFO [stderr]     |
Nov 28 08:15:18.677 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 08:15:18.678 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:15:18.678 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 08:15:18.679 INFO [stderr] 
Nov 28 08:15:18.752 INFO [stderr] warning: unused variable: `is_upper`
Nov 28 08:15:18.752 INFO [stderr]   --> src/lib.rs:59:10
Nov 28 08:15:18.752 INFO [stderr]    |
Nov 28 08:15:18.753 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Nov 28 08:15:18.753 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Nov 28 08:15:18.754 INFO [stderr]    |
Nov 28 08:15:18.754 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:15:18.755 INFO [stderr] 
Nov 28 08:15:18.791 INFO [stderr] warning: method is never used: `stdout`
Nov 28 08:15:18.791 INFO [stderr]   --> src/lib.rs:50:5
Nov 28 08:15:18.791 INFO [stderr]    |
Nov 28 08:15:18.791 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Nov 28 08:15:18.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.792 INFO [stderr]    |
Nov 28 08:15:18.793 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:15:18.793 INFO [stderr] 
Nov 28 08:15:18.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:15:18.795 INFO [stderr]    --> src/lib.rs:121:5
Nov 28 08:15:18.795 INFO [stderr]     |
Nov 28 08:15:18.795 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Nov 28 08:15:18.796 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:15:18.796 INFO [stderr]     |
Nov 28 08:15:18.796 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 08:15:18.796 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:15:18.797 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 08:15:18.797 INFO [stderr] 
Nov 28 08:15:18.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.41s
Nov 28 08:15:18.844 INFO [stderr] su: No module specific data is present
Nov 28 08:15:20.532 INFO running `"docker" "inspect" "2225eb5693e07d69a65552538b74542b6a9bf45cfd1d72fa127ed53b161c90cd"`
Nov 28 08:15:20.942 INFO running `"docker" "rm" "-f" "2225eb5693e07d69a65552538b74542b6a9bf45cfd1d72fa127ed53b161c90cd"`
Nov 28 08:15:21.267 INFO [stdout] 2225eb5693e07d69a65552538b74542b6a9bf45cfd1d72fa127ed53b161c90cd