Nov 17 07:23:56.557 INFO testing bugaevc/jvm-bindgen against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 07:23:56.558 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:23:57.164 INFO [stdout] 0cb3f2a4a2b0d69d1e29b850af7e1ac11900ce1f1b5cf50e6f04cd3c68086abe
Nov 17 07:23:57.166 INFO running `"docker" "start" "-a" "0cb3f2a4a2b0d69d1e29b850af7e1ac11900ce1f1b5cf50e6f04cd3c68086abe"`
Nov 17 07:23:59.095 INFO [stderr] usermod: no changes
Nov 17 07:23:59.235 INFO [stderr]    Compiling memchr v2.0.1
Nov 17 07:23:59.975 INFO [stderr]    Compiling nom v4.0.0
Nov 17 07:24:03.687 INFO [stderr]    Compiling classfile-parser v0.3.2
Nov 17 07:24:06.013 INFO [stderr]    Compiling jvm-bindgen v0.1.0 (/source)
Nov 17 07:24:08.171 INFO [stderr] warning: unused import: `Read`
Nov 17 07:24:08.171 INFO [stderr]  --> src/lib.rs:9:15
Nov 17 07:24:08.171 INFO [stderr]   |
Nov 17 07:24:08.171 INFO [stderr] 9 | use std::io::{Read, Write};
Nov 17 07:24:08.171 INFO [stderr]   |               ^^^^
Nov 17 07:24:08.171 INFO [stderr]   |
Nov 17 07:24:08.171 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:24:08.171 INFO [stderr] 
Nov 17 07:24:08.171 INFO [stderr] warning: unused import: `std::borrow::Cow`
Nov 17 07:24:08.171 INFO [stderr]   --> src/lib.rs:18:5
Nov 17 07:24:08.171 INFO [stderr]    |
Nov 17 07:24:08.171 INFO [stderr] 18 | use std::borrow::Cow;
Nov 17 07:24:08.171 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 07:24:08.171 INFO [stderr] 
Nov 17 07:24:08.267 INFO [stderr] warning: unused variable: `is_upper`
Nov 17 07:24:08.267 INFO [stderr]   --> src/lib.rs:59:10
Nov 17 07:24:08.267 INFO [stderr]    |
Nov 17 07:24:08.267 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Nov 17 07:24:08.267 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Nov 17 07:24:08.267 INFO [stderr]    |
Nov 17 07:24:08.267 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 07:24:08.267 INFO [stderr] 
Nov 17 07:24:08.295 INFO [stderr] warning: function is never used: `get_class_name`
Nov 17 07:24:08.295 INFO [stderr]   --> src/lib.rs:34:1
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr] 34 | fn get_class_name<'a>(class: &'a ClassConstant, class_file: &'a ClassFile) -> &'a str {
Nov 17 07:24:08.295 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 07:24:08.295 INFO [stderr] 
Nov 17 07:24:08.295 INFO [stderr] warning: struct is never constructed: `RustFmt`
Nov 17 07:24:08.295 INFO [stderr]   --> src/lib.rs:38:1
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr] 38 | struct RustFmt(Child);
Nov 17 07:24:08.295 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.295 INFO [stderr] 
Nov 17 07:24:08.295 INFO [stderr] warning: method is never used: `launch`
Nov 17 07:24:08.295 INFO [stderr]   --> src/lib.rs:41:5
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr] 41 |     fn launch() -> io::Result<RustFmt> {
Nov 17 07:24:08.295 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.295 INFO [stderr] 
Nov 17 07:24:08.295 INFO [stderr] warning: method is never used: `stdin`
Nov 17 07:24:08.295 INFO [stderr]   --> src/lib.rs:49:5
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr] 49 |     fn stdin(&mut self) -> &mut ChildStdin { self.0.stdin.as_mut().unwrap() }
Nov 17 07:24:08.295 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.295 INFO [stderr] 
Nov 17 07:24:08.295 INFO [stderr] warning: method is never used: `stdout`
Nov 17 07:24:08.295 INFO [stderr]   --> src/lib.rs:50:5
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Nov 17 07:24:08.295 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.295 INFO [stderr] 
Nov 17 07:24:08.295 INFO [stderr] warning: function is never used: `transform_name`
Nov 17 07:24:08.295 INFO [stderr]   --> src/lib.rs:53:1
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr] 53 | fn transform_name(java_name: &str) -> String {
Nov 17 07:24:08.295 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.295 INFO [stderr] 
Nov 17 07:24:08.295 INFO [stderr] warning: function is never used: `gen_method`
Nov 17 07:24:08.295 INFO [stderr]   --> src/lib.rs:85:1
Nov 17 07:24:08.295 INFO [stderr]    |
Nov 17 07:24:08.295 INFO [stderr] 85 | fn gen_method(class_file: &ClassFile, method: &method_info::MethodInfo) -> TokenStream {
Nov 17 07:24:08.295 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.296 INFO [stderr] 
Nov 17 07:24:08.296 INFO [stderr] warning: function is never used: `bindgen`
Nov 17 07:24:08.296 INFO [stderr]   --> src/lib.rs:95:1
Nov 17 07:24:08.296 INFO [stderr]    |
Nov 17 07:24:08.296 INFO [stderr] 95 | fn bindgen(class_name: &str) {
Nov 17 07:24:08.296 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.296 INFO [stderr] 
Nov 17 07:24:08.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:24:08.296 INFO [stderr]    --> src/lib.rs:121:5
Nov 17 07:24:08.296 INFO [stderr]     |
Nov 17 07:24:08.296 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Nov 17 07:24:08.296 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:08.296 INFO [stderr]     |
Nov 17 07:24:08.296 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 07:24:08.296 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:24:08.296 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 07:24:08.296 INFO [stderr] 
Nov 17 07:24:08.390 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.26s
Nov 17 07:24:08.393 INFO [stderr] su: No module specific data is present
Nov 17 07:24:08.944 INFO running `"docker" "inspect" "0cb3f2a4a2b0d69d1e29b850af7e1ac11900ce1f1b5cf50e6f04cd3c68086abe"`
Nov 17 07:24:09.259 INFO running `"docker" "rm" "-f" "0cb3f2a4a2b0d69d1e29b850af7e1ac11900ce1f1b5cf50e6f04cd3c68086abe"`
Nov 17 07:24:09.659 INFO [stdout] 0cb3f2a4a2b0d69d1e29b850af7e1ac11900ce1f1b5cf50e6f04cd3c68086abe
Nov 17 07:24:09.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 07:24:10.191 INFO [stdout] 5a3c005a3893fe8ca599e2eecef94a274feceec7d7ad9dd2172845b6ad41c295
Nov 17 07:24:10.193 INFO running `"docker" "start" "-a" "5a3c005a3893fe8ca599e2eecef94a274feceec7d7ad9dd2172845b6ad41c295"`
Nov 17 07:24:11.660 INFO [stderr] usermod: no changes
Nov 17 07:24:11.751 INFO [stderr]    Compiling jvm-bindgen v0.1.0 (/source)
Nov 17 07:24:13.991 INFO [stderr] warning: unused import: `Read`
Nov 17 07:24:13.991 INFO [stderr]  --> src/lib.rs:9:15
Nov 17 07:24:13.991 INFO [stderr]   |
Nov 17 07:24:13.991 INFO [stderr] 9 | use std::io::{Read, Write};
Nov 17 07:24:13.991 INFO [stderr]   |               ^^^^
Nov 17 07:24:13.991 INFO [stderr]   |
Nov 17 07:24:13.991 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 07:24:13.991 INFO [stderr] 
Nov 17 07:24:13.991 INFO [stderr] warning: unused import: `std::borrow::Cow`
Nov 17 07:24:13.991 INFO [stderr]   --> src/lib.rs:18:5
Nov 17 07:24:13.991 INFO [stderr]    |
Nov 17 07:24:13.991 INFO [stderr] 18 | use std::borrow::Cow;
Nov 17 07:24:13.991 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 07:24:13.991 INFO [stderr] 
Nov 17 07:24:14.151 INFO [stderr] warning: unused variable: `is_upper`
Nov 17 07:24:14.151 INFO [stderr]   --> src/lib.rs:59:10
Nov 17 07:24:14.151 INFO [stderr]    |
Nov 17 07:24:14.151 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Nov 17 07:24:14.151 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Nov 17 07:24:14.151 INFO [stderr]    |
Nov 17 07:24:14.151 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 07:24:14.151 INFO [stderr] 
Nov 17 07:24:14.203 INFO [stderr] warning: method is never used: `stdout`
Nov 17 07:24:14.203 INFO [stderr]   --> src/lib.rs:50:5
Nov 17 07:24:14.203 INFO [stderr]    |
Nov 17 07:24:14.203 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Nov 17 07:24:14.203 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:14.203 INFO [stderr]    |
Nov 17 07:24:14.203 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 07:24:14.203 INFO [stderr] 
Nov 17 07:24:14.203 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 07:24:14.203 INFO [stderr]    --> src/lib.rs:121:5
Nov 17 07:24:14.203 INFO [stderr]     |
Nov 17 07:24:14.203 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Nov 17 07:24:14.203 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:24:14.203 INFO [stderr]     |
Nov 17 07:24:14.203 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 07:24:14.203 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 07:24:14.203 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 07:24:14.203 INFO [stderr] 
Nov 17 07:24:15.485 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
Nov 17 07:24:15.490 INFO [stderr] su: No module specific data is present
Nov 17 07:24:16.201 INFO running `"docker" "inspect" "5a3c005a3893fe8ca599e2eecef94a274feceec7d7ad9dd2172845b6ad41c295"`
Nov 17 07:24:16.507 INFO running `"docker" "rm" "-f" "5a3c005a3893fe8ca599e2eecef94a274feceec7d7ad9dd2172845b6ad41c295"`
Nov 17 07:24:16.796 INFO [stdout] 5a3c005a3893fe8ca599e2eecef94a274feceec7d7ad9dd2172845b6ad41c295