Nov 17 07:23:55.632 INFO testing bugaevc/jvm-bindgen against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 07:23:55.632 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 17 07:23:56.067 INFO [stdout] 56436472c999050f5244d0b1b2be0f3dc0e97a37867de5a4cc16a0080b2a77f1
Nov 17 07:23:56.072 INFO running `"docker" "start" "-a" "56436472c999050f5244d0b1b2be0f3dc0e97a37867de5a4cc16a0080b2a77f1"`
Nov 17 07:23:57.663 INFO [stderr] usermod: no changes
Nov 17 07:23:57.758 INFO [stderr]    Compiling memchr v2.0.1
Nov 17 07:23:57.764 INFO [stderr]    Compiling quote v0.6.6
Nov 17 07:23:58.679 INFO [stderr]    Compiling nom v4.0.0
Nov 17 07:24:02.343 INFO [stderr]    Compiling classfile-parser v0.3.2
Nov 17 07:24:04.547 INFO [stderr]    Compiling jvm-bindgen v0.1.0 (/source)
Nov 17 07:24:05.492 INFO [stderr] warning: unused import: `Read`
Nov 17 07:24:05.492 INFO [stderr]  --> src/lib.rs:9:15
Nov 17 07:24:05.492 INFO [stderr]   |
Nov 17 07:24:05.493 INFO [stderr] 9 | use std::io::{Read, Write};
Nov 17 07:24:05.493 INFO [stderr]   |               ^^^^
Nov 17 07:24:05.495 INFO [stderr]   |
Nov 17 07:24:05.495 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:24:05.496 INFO [stderr] 
Nov 17 07:24:05.496 INFO [stderr] warning: unused import: `std::borrow::Cow`
Nov 17 07:24:05.496 INFO [stderr]   --> src/lib.rs:18:5
Nov 17 07:24:05.496 INFO [stderr]    |
Nov 17 07:24:05.497 INFO [stderr] 18 | use std::borrow::Cow;
Nov 17 07:24:05.497 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 07:24:05.497 INFO [stderr] 
Nov 17 07:24:05.619 INFO [stderr] warning: unused variable: `is_upper`
Nov 17 07:24:05.620 INFO [stderr]   --> src/lib.rs:59:10
Nov 17 07:24:05.620 INFO [stderr]    |
Nov 17 07:24:05.620 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Nov 17 07:24:05.621 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Nov 17 07:24:05.621 INFO [stderr]    |
Nov 17 07:24:05.621 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 07:24:05.621 INFO [stderr] 
Nov 17 07:24:05.646 INFO [stderr] warning: function is never used: `get_class_name`
Nov 17 07:24:05.646 INFO [stderr]   --> src/lib.rs:34:1
Nov 17 07:24:05.646 INFO [stderr]    |
Nov 17 07:24:05.646 INFO [stderr] 34 | fn get_class_name<'a>(class: &'a ClassConstant, class_file: &'a ClassFile) -> &'a str {
Nov 17 07:24:05.647 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.647 INFO [stderr]    |
Nov 17 07:24:05.647 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 07:24:05.647 INFO [stderr] 
Nov 17 07:24:05.647 INFO [stderr] warning: struct is never constructed: `RustFmt`
Nov 17 07:24:05.648 INFO [stderr]   --> src/lib.rs:38:1
Nov 17 07:24:05.648 INFO [stderr]    |
Nov 17 07:24:05.648 INFO [stderr] 38 | struct RustFmt(Child);
Nov 17 07:24:05.648 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.649 INFO [stderr] 
Nov 17 07:24:05.649 INFO [stderr] warning: method is never used: `launch`
Nov 17 07:24:05.649 INFO [stderr]   --> src/lib.rs:41:5
Nov 17 07:24:05.649 INFO [stderr]    |
Nov 17 07:24:05.649 INFO [stderr] 41 |     fn launch() -> io::Result<RustFmt> {
Nov 17 07:24:05.650 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.650 INFO [stderr] 
Nov 17 07:24:05.650 INFO [stderr] warning: method is never used: `stdin`
Nov 17 07:24:05.650 INFO [stderr]   --> src/lib.rs:49:5
Nov 17 07:24:05.655 INFO [stderr]    |
Nov 17 07:24:05.655 INFO [stderr] 49 |     fn stdin(&mut self) -> &mut ChildStdin { self.0.stdin.as_mut().unwrap() }
Nov 17 07:24:05.655 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.655 INFO [stderr] 
Nov 17 07:24:05.655 INFO [stderr] warning: method is never used: `stdout`
Nov 17 07:24:05.656 INFO [stderr]   --> src/lib.rs:50:5
Nov 17 07:24:05.656 INFO [stderr]    |
Nov 17 07:24:05.656 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Nov 17 07:24:05.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.657 INFO [stderr] 
Nov 17 07:24:05.657 INFO [stderr] warning: function is never used: `transform_name`
Nov 17 07:24:05.657 INFO [stderr]   --> src/lib.rs:53:1
Nov 17 07:24:05.657 INFO [stderr]    |
Nov 17 07:24:05.657 INFO [stderr] 53 | fn transform_name(java_name: &str) -> String {
Nov 17 07:24:05.658 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.658 INFO [stderr] 
Nov 17 07:24:05.658 INFO [stderr] warning: function is never used: `gen_method`
Nov 17 07:24:05.658 INFO [stderr]   --> src/lib.rs:85:1
Nov 17 07:24:05.659 INFO [stderr]    |
Nov 17 07:24:05.659 INFO [stderr] 85 | fn gen_method(class_file: &ClassFile, method: &method_info::MethodInfo) -> TokenStream {
Nov 17 07:24:05.659 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.659 INFO [stderr] 
Nov 17 07:24:05.659 INFO [stderr] warning: function is never used: `bindgen`
Nov 17 07:24:05.659 INFO [stderr]   --> src/lib.rs:95:1
Nov 17 07:24:05.660 INFO [stderr]    |
Nov 17 07:24:05.660 INFO [stderr] 95 | fn bindgen(class_name: &str) {
Nov 17 07:24:05.660 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.660 INFO [stderr] 
Nov 17 07:24:05.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:24:05.660 INFO [stderr]    --> src/lib.rs:121:5
Nov 17 07:24:05.661 INFO [stderr]     |
Nov 17 07:24:05.661 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Nov 17 07:24:05.661 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:05.661 INFO [stderr]     |
Nov 17 07:24:05.661 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 07:24:05.661 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:24:05.662 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 17 07:24:05.662 INFO [stderr] 
Nov 17 07:24:05.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.07s
Nov 17 07:24:05.767 INFO [stderr] su: No module specific data is present
Nov 17 07:24:06.533 INFO running `"docker" "inspect" "56436472c999050f5244d0b1b2be0f3dc0e97a37867de5a4cc16a0080b2a77f1"`
Nov 17 07:24:06.943 INFO running `"docker" "rm" "-f" "56436472c999050f5244d0b1b2be0f3dc0e97a37867de5a4cc16a0080b2a77f1"`
Nov 17 07:24:07.246 INFO [stdout] 56436472c999050f5244d0b1b2be0f3dc0e97a37867de5a4cc16a0080b2a77f1
Nov 17 07:24:07.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 17 07:24:07.699 INFO [stdout] 1360571627d0da7657aeae924a31b6944b84110abac6248d8b092cae8a562a9c
Nov 17 07:24:07.705 INFO running `"docker" "start" "-a" "1360571627d0da7657aeae924a31b6944b84110abac6248d8b092cae8a562a9c"`
Nov 17 07:24:08.703 INFO [stderr] usermod: no changes
Nov 17 07:24:08.776 INFO [stderr]    Compiling jvm-bindgen v0.1.0 (/source)
Nov 17 07:24:09.661 INFO [stderr] warning: unused import: `Read`
Nov 17 07:24:09.661 INFO [stderr]  --> src/lib.rs:9:15
Nov 17 07:24:09.661 INFO [stderr]   |
Nov 17 07:24:09.662 INFO [stderr] 9 | use std::io::{Read, Write};
Nov 17 07:24:09.662 INFO [stderr]   |               ^^^^
Nov 17 07:24:09.662 INFO [stderr]   |
Nov 17 07:24:09.663 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:24:09.663 INFO [stderr] 
Nov 17 07:24:09.663 INFO [stderr] warning: unused import: `std::borrow::Cow`
Nov 17 07:24:09.663 INFO [stderr]   --> src/lib.rs:18:5
Nov 17 07:24:09.664 INFO [stderr]    |
Nov 17 07:24:09.664 INFO [stderr] 18 | use std::borrow::Cow;
Nov 17 07:24:09.664 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 07:24:09.665 INFO [stderr] 
Nov 17 07:24:09.767 INFO [stderr] warning: unused variable: `is_upper`
Nov 17 07:24:09.767 INFO [stderr]   --> src/lib.rs:59:10
Nov 17 07:24:09.768 INFO [stderr]    |
Nov 17 07:24:09.768 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Nov 17 07:24:09.768 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Nov 17 07:24:09.769 INFO [stderr]    |
Nov 17 07:24:09.769 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 07:24:09.769 INFO [stderr] 
Nov 17 07:24:09.793 INFO [stderr] warning: method is never used: `stdout`
Nov 17 07:24:09.793 INFO [stderr]   --> src/lib.rs:50:5
Nov 17 07:24:09.794 INFO [stderr]    |
Nov 17 07:24:09.794 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Nov 17 07:24:09.794 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:09.795 INFO [stderr]    |
Nov 17 07:24:09.795 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 07:24:09.795 INFO [stderr] 
Nov 17 07:24:09.795 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:24:09.796 INFO [stderr]    --> src/lib.rs:121:5
Nov 17 07:24:09.796 INFO [stderr]     |
Nov 17 07:24:09.796 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Nov 17 07:24:09.796 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:09.797 INFO [stderr]     |
Nov 17 07:24:09.797 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 07:24:09.797 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:24:09.798 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 17 07:24:09.798 INFO [stderr] 
Nov 17 07:24:10.941 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
Nov 17 07:24:10.944 INFO [stderr] su: No module specific data is present
Nov 17 07:24:11.890 INFO running `"docker" "inspect" "1360571627d0da7657aeae924a31b6944b84110abac6248d8b092cae8a562a9c"`
Nov 17 07:24:12.197 INFO running `"docker" "rm" "-f" "1360571627d0da7657aeae924a31b6944b84110abac6248d8b092cae8a562a9c"`
Nov 17 07:24:12.535 INFO [stdout] 1360571627d0da7657aeae924a31b6944b84110abac6248d8b092cae8a562a9c