Nov 28 23:04:35.578 INFO checking jvm-assembler-0.0.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:04:35.582 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 23:04:35.952 INFO [stdout] 2ae2804ebc0fe209c55e25179981012a415ca2f0486aa24727d02704b841f458
Nov 28 23:04:35.955 INFO running `"docker" "start" "-a" "2ae2804ebc0fe209c55e25179981012a415ca2f0486aa24727d02704b841f458"`
Nov 28 23:04:37.349 INFO [stderr] usermod: no changes
Nov 28 23:04:37.428 INFO [stderr]     Checking jvm-assembler v0.0.1 (/source)
Nov 28 23:04:38.540 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.540 INFO [stderr]    --> src/classfile.rs:393:24
Nov 28 23:04:38.540 INFO [stderr]     |
Nov 28 23:04:38.540 INFO [stderr] 393 |     fn serialize(self, buf: &mut Vec<u8>) {
Nov 28 23:04:38.540 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.540 INFO [stderr]     |
Nov 28 23:04:38.540 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 23:04:38.540 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:397:20
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 397 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Interface {
Nov 28 23:04:38.541 INFO [stderr]     |                    ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `classfile`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:397:44
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 397 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Interface {
Nov 28 23:04:38.541 INFO [stderr]     |                                            ^^^^^^^^^ help: consider using `_classfile` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:403:24
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 403 |     fn serialize(self, buf: &mut Vec<u8>) {
Nov 28 23:04:38.541 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:407:20
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 407 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Field {
Nov 28 23:04:38.541 INFO [stderr]     |                    ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `classfile`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:407:44
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 407 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Field {
Nov 28 23:04:38.541 INFO [stderr]     |                                            ^^^^^^^^^ help: consider using `_classfile` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:472:24
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 472 |     fn serialize(self, buf: &mut Vec<u8>) {
Nov 28 23:04:38.541 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:476:20
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 476 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> ExceptionTableEntry {
Nov 28 23:04:38.541 INFO [stderr]     |                    ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.541 INFO [stderr] warning: unused variable: `classfile`
Nov 28 23:04:38.541 INFO [stderr]    --> src/classfile.rs:476:44
Nov 28 23:04:38.541 INFO [stderr]     |
Nov 28 23:04:38.541 INFO [stderr] 476 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> ExceptionTableEntry {
Nov 28 23:04:38.541 INFO [stderr]     |                                            ^^^^^^^^^ help: consider using `_classfile` instead
Nov 28 23:04:38.541 INFO [stderr] 
Nov 28 23:04:38.568 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:04:38.568 INFO [stderr]   --> src/classfile.rs:97:13
Nov 28 23:04:38.568 INFO [stderr]    |
Nov 28 23:04:38.568 INFO [stderr] 97 |         let mut buf = &mut Deserializer::new(Box::new(stream.bytes().map(|r| r.unwrap())));
Nov 28 23:04:38.568 INFO [stderr]    |             ----^^^
Nov 28 23:04:38.568 INFO [stderr]    |             |
Nov 28 23:04:38.568 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:04:38.568 INFO [stderr]    |
Nov 28 23:04:38.568 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:04:38.568 INFO [stderr] 
Nov 28 23:04:38.588 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:04:38.589 INFO [stderr]    --> src/classfile.rs:336:13
Nov 28 23:04:38.589 INFO [stderr]     |
Nov 28 23:04:38.589 INFO [stderr] 336 |         let mut code_buf = &mut Deserializer::new(Box::new(code.into_iter()));
Nov 28 23:04:38.589 INFO [stderr]     |             ----^^^^^^^^
Nov 28 23:04:38.589 INFO [stderr]     |             |
Nov 28 23:04:38.589 INFO [stderr]     |             help: remove this `mut`
Nov 28 23:04:38.589 INFO [stderr] 
Nov 28 23:04:38.596 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:04:38.597 INFO [stderr]    --> src/classfile.rs:454:13
Nov 28 23:04:38.597 INFO [stderr]     |
Nov 28 23:04:38.597 INFO [stderr] 454 |         let mut buf2 = &mut Deserializer::new(Box::new(attribute_body.into_iter()));
Nov 28 23:04:38.597 INFO [stderr]     |             ----^^^^
Nov 28 23:04:38.597 INFO [stderr]     |             |
Nov 28 23:04:38.597 INFO [stderr]     |             help: remove this `mut`
Nov 28 23:04:38.597 INFO [stderr] 
Nov 28 23:04:38.648 INFO [stderr] warning: constant item is never used: `ACC_PUBLIC`
Nov 28 23:04:38.648 INFO [stderr]  --> src/classfile_builder.rs:3:1
Nov 28 23:04:38.648 INFO [stderr]   |
Nov 28 23:04:38.648 INFO [stderr] 3 | pub const ACC_PUBLIC: u16 = 0x1;
Nov 28 23:04:38.648 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.648 INFO [stderr]   |
Nov 28 23:04:38.648 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 23:04:38.648 INFO [stderr] 
Nov 28 23:04:38.648 INFO [stderr] warning: constant item is never used: `ACC_STATIC`
Nov 28 23:04:38.648 INFO [stderr]  --> src/classfile_builder.rs:4:1
Nov 28 23:04:38.648 INFO [stderr]   |
Nov 28 23:04:38.648 INFO [stderr] 4 | pub const ACC_STATIC: u16 = 0x8;
Nov 28 23:04:38.648 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.648 INFO [stderr] 
Nov 28 23:04:38.648 INFO [stderr] warning: struct is never constructed: `ClassfileBuilder`
Nov 28 23:04:38.648 INFO [stderr]  --> src/classfile_builder.rs:6:1
Nov 28 23:04:38.648 INFO [stderr]   |
Nov 28 23:04:38.648 INFO [stderr] 6 | pub struct ClassfileBuilder {
Nov 28 23:04:38.648 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.648 INFO [stderr] 
Nov 28 23:04:38.648 INFO [stderr] warning: method is never used: `new`
Nov 28 23:04:38.648 INFO [stderr]   --> src/classfile_builder.rs:15:5
Nov 28 23:04:38.648 INFO [stderr]    |
Nov 28 23:04:38.648 INFO [stderr] 15 |     pub fn new(access_flags: u16, this_class: &str, super_class: &str) -> ClassfileBuilder {
Nov 28 23:04:38.648 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.648 INFO [stderr] 
Nov 28 23:04:38.648 INFO [stderr] warning: method is never used: `define_method`
Nov 28 23:04:38.648 INFO [stderr]   --> src/classfile_builder.rs:28:5
Nov 28 23:04:38.648 INFO [stderr]    |
Nov 28 23:04:38.648 INFO [stderr] 28 |     pub fn define_method(&mut self, access_flags: u16, name: &str, descriptor: &str) -> MethodBuilder {
Nov 28 23:04:38.648 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.648 INFO [stderr] 
Nov 28 23:04:38.648 INFO [stderr] warning: method is never used: `push_constant`
Nov 28 23:04:38.648 INFO [stderr]   --> src/classfile_builder.rs:32:5
Nov 28 23:04:38.648 INFO [stderr]    |
Nov 28 23:04:38.648 INFO [stderr] 32 |     fn push_constant(&mut self, constant: Constant) -> u16 {
Nov 28 23:04:38.648 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.648 INFO [stderr] 
Nov 28 23:04:38.648 INFO [stderr] warning: method is never used: `define_utf8`
Nov 28 23:04:38.648 INFO [stderr]   --> src/classfile_builder.rs:38:5
Nov 28 23:04:38.648 INFO [stderr]    |
Nov 28 23:04:38.648 INFO [stderr] 38 |     fn define_utf8(&mut self, string: &str) -> u16 {
Nov 28 23:04:38.648 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `define_class`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:42:5
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 42 |     fn define_class(&mut self, class: &str) -> u16 {
Nov 28 23:04:38.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `define_name_and_type`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:47:5
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 47 |     fn define_name_and_type(&mut self, name: &str, descriptor: &str) -> u16 {
Nov 28 23:04:38.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `define_fieldref`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:53:5
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 53 |     fn define_fieldref(&mut self, class: &str, name: &str, descriptor: &str) -> u16 {
Nov 28 23:04:38.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `define_methodref`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:59:5
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 59 |     fn define_methodref(&mut self, class: &str, name: &str, descriptor: &str) -> u16 {
Nov 28 23:04:38.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `done`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:65:5
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 65 |     pub fn done(self) -> Classfile {
Nov 28 23:04:38.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: struct is never constructed: `MethodBuilder`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:70:1
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 70 | pub struct MethodBuilder<'a> {
Nov 28 23:04:38.649 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `new`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:81:5
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 81 |     fn new(classfile: &'a mut ClassfileBuilder, access_flags: u16, name: &str, descriptor: &str) -> MethodBuilder<'a> {
Nov 28 23:04:38.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `get_static`
Nov 28 23:04:38.649 INFO [stderr]   --> src/classfile_builder.rs:95:5
Nov 28 23:04:38.649 INFO [stderr]    |
Nov 28 23:04:38.649 INFO [stderr] 95 |     pub fn get_static(&mut self, class: &str, name: &str, descriptor: &str) {
Nov 28 23:04:38.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `invoke_virtual`
Nov 28 23:04:38.649 INFO [stderr]    --> src/classfile_builder.rs:101:5
Nov 28 23:04:38.649 INFO [stderr]     |
Nov 28 23:04:38.649 INFO [stderr] 101 |     pub fn invoke_virtual(&mut self, class: &str, name: &str, descriptor: &str) {
Nov 28 23:04:38.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `bipush`
Nov 28 23:04:38.649 INFO [stderr]    --> src/classfile_builder.rs:107:5
Nov 28 23:04:38.649 INFO [stderr]     |
Nov 28 23:04:38.649 INFO [stderr] 107 |     pub fn bipush(&mut self, value: i8) {
Nov 28 23:04:38.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `iadd`
Nov 28 23:04:38.649 INFO [stderr]    --> src/classfile_builder.rs:112:5
Nov 28 23:04:38.649 INFO [stderr]     |
Nov 28 23:04:38.649 INFO [stderr] 112 |     pub fn iadd(&mut self) {
Nov 28 23:04:38.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `do_return`
Nov 28 23:04:38.649 INFO [stderr]    --> src/classfile_builder.rs:117:5
Nov 28 23:04:38.649 INFO [stderr]     |
Nov 28 23:04:38.649 INFO [stderr] 117 |     pub fn do_return(&mut self) {
Nov 28 23:04:38.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `increase_stack_depth`
Nov 28 23:04:38.649 INFO [stderr]    --> src/classfile_builder.rs:121:5
Nov 28 23:04:38.649 INFO [stderr]     |
Nov 28 23:04:38.649 INFO [stderr] 121 |     fn increase_stack_depth(&mut self) {
Nov 28 23:04:38.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.649 INFO [stderr] 
Nov 28 23:04:38.649 INFO [stderr] warning: method is never used: `decrease_stack_depth`
Nov 28 23:04:38.649 INFO [stderr]    --> src/classfile_builder.rs:128:5
Nov 28 23:04:38.649 INFO [stderr]     |
Nov 28 23:04:38.649 INFO [stderr] 128 |     fn decrease_stack_depth(&mut self) {
Nov 28 23:04:38.649 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.650 INFO [stderr] 
Nov 28 23:04:38.650 INFO [stderr] warning: method is never used: `done`
Nov 28 23:04:38.650 INFO [stderr]    --> src/classfile_builder.rs:132:5
Nov 28 23:04:38.650 INFO [stderr]     |
Nov 28 23:04:38.650 INFO [stderr] 132 |     pub fn done(self) {
Nov 28 23:04:38.650 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.650 INFO [stderr] 
Nov 28 23:04:38.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:04:38.664 INFO [stderr]    --> src/classfile.rs:598:9
Nov 28 23:04:38.664 INFO [stderr]     |
Nov 28 23:04:38.664 INFO [stderr] 598 |         write!(f, ": ");
Nov 28 23:04:38.664 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Nov 28 23:04:38.664 INFO [stderr]     |
Nov 28 23:04:38.664 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 23:04:38.664 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:04:38.664 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 23:04:38.664 INFO [stderr] 
Nov 28 23:04:38.856 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.856 INFO [stderr]    --> src/classfile.rs:393:24
Nov 28 23:04:38.856 INFO [stderr]     |
Nov 28 23:04:38.856 INFO [stderr] 393 |     fn serialize(self, buf: &mut Vec<u8>) {
Nov 28 23:04:38.856 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.856 INFO [stderr]     |
Nov 28 23:04:38.856 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:397:20
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 397 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Interface {
Nov 28 23:04:38.857 INFO [stderr]     |                    ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `classfile`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:397:44
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 397 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Interface {
Nov 28 23:04:38.857 INFO [stderr]     |                                            ^^^^^^^^^ help: consider using `_classfile` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:403:24
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 403 |     fn serialize(self, buf: &mut Vec<u8>) {
Nov 28 23:04:38.857 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:407:20
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 407 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Field {
Nov 28 23:04:38.857 INFO [stderr]     |                    ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `classfile`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:407:44
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 407 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> Field {
Nov 28 23:04:38.857 INFO [stderr]     |                                            ^^^^^^^^^ help: consider using `_classfile` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:472:24
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 472 |     fn serialize(self, buf: &mut Vec<u8>) {
Nov 28 23:04:38.857 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `buf`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:476:20
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 476 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> ExceptionTableEntry {
Nov 28 23:04:38.857 INFO [stderr]     |                    ^^^ help: consider using `_buf` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.857 INFO [stderr] warning: unused variable: `classfile`
Nov 28 23:04:38.857 INFO [stderr]    --> src/classfile.rs:476:44
Nov 28 23:04:38.857 INFO [stderr]     |
Nov 28 23:04:38.857 INFO [stderr] 476 |     fn deserialize(buf: &mut Deserializer, classfile: &Classfile) -> ExceptionTableEntry {
Nov 28 23:04:38.857 INFO [stderr]     |                                            ^^^^^^^^^ help: consider using `_classfile` instead
Nov 28 23:04:38.857 INFO [stderr] 
Nov 28 23:04:38.876 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:04:38.876 INFO [stderr]   --> src/classfile.rs:97:13
Nov 28 23:04:38.876 INFO [stderr]    |
Nov 28 23:04:38.876 INFO [stderr] 97 |         let mut buf = &mut Deserializer::new(Box::new(stream.bytes().map(|r| r.unwrap())));
Nov 28 23:04:38.876 INFO [stderr]    |             ----^^^
Nov 28 23:04:38.876 INFO [stderr]    |             |
Nov 28 23:04:38.876 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:04:38.876 INFO [stderr]    |
Nov 28 23:04:38.876 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:04:38.876 INFO [stderr] 
Nov 28 23:04:38.900 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:04:38.900 INFO [stderr]    --> src/classfile.rs:336:13
Nov 28 23:04:38.900 INFO [stderr]     |
Nov 28 23:04:38.900 INFO [stderr] 336 |         let mut code_buf = &mut Deserializer::new(Box::new(code.into_iter()));
Nov 28 23:04:38.900 INFO [stderr]     |             ----^^^^^^^^
Nov 28 23:04:38.900 INFO [stderr]     |             |
Nov 28 23:04:38.900 INFO [stderr]     |             help: remove this `mut`
Nov 28 23:04:38.900 INFO [stderr] 
Nov 28 23:04:38.908 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:04:38.908 INFO [stderr]    --> src/classfile.rs:454:13
Nov 28 23:04:38.908 INFO [stderr]     |
Nov 28 23:04:38.908 INFO [stderr] 454 |         let mut buf2 = &mut Deserializer::new(Box::new(attribute_body.into_iter()));
Nov 28 23:04:38.908 INFO [stderr]     |             ----^^^^
Nov 28 23:04:38.908 INFO [stderr]     |             |
Nov 28 23:04:38.908 INFO [stderr]     |             help: remove this `mut`
Nov 28 23:04:38.908 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: constant item is never used: `ACC_PUBLIC`
Nov 28 23:04:38.949 INFO [stderr]  --> src/classfile_builder.rs:3:1
Nov 28 23:04:38.949 INFO [stderr]   |
Nov 28 23:04:38.949 INFO [stderr] 3 | pub const ACC_PUBLIC: u16 = 0x1;
Nov 28 23:04:38.949 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr]   |
Nov 28 23:04:38.949 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: constant item is never used: `ACC_STATIC`
Nov 28 23:04:38.949 INFO [stderr]  --> src/classfile_builder.rs:4:1
Nov 28 23:04:38.949 INFO [stderr]   |
Nov 28 23:04:38.949 INFO [stderr] 4 | pub const ACC_STATIC: u16 = 0x8;
Nov 28 23:04:38.949 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: struct is never constructed: `ClassfileBuilder`
Nov 28 23:04:38.949 INFO [stderr]  --> src/classfile_builder.rs:6:1
Nov 28 23:04:38.949 INFO [stderr]   |
Nov 28 23:04:38.949 INFO [stderr] 6 | pub struct ClassfileBuilder {
Nov 28 23:04:38.949 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `new`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:15:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 15 |     pub fn new(access_flags: u16, this_class: &str, super_class: &str) -> ClassfileBuilder {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `define_method`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:28:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 28 |     pub fn define_method(&mut self, access_flags: u16, name: &str, descriptor: &str) -> MethodBuilder {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `push_constant`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:32:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 32 |     fn push_constant(&mut self, constant: Constant) -> u16 {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `define_utf8`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:38:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 38 |     fn define_utf8(&mut self, string: &str) -> u16 {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `define_class`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:42:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 42 |     fn define_class(&mut self, class: &str) -> u16 {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `define_name_and_type`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:47:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 47 |     fn define_name_and_type(&mut self, name: &str, descriptor: &str) -> u16 {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `define_fieldref`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:53:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 53 |     fn define_fieldref(&mut self, class: &str, name: &str, descriptor: &str) -> u16 {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `define_methodref`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:59:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 59 |     fn define_methodref(&mut self, class: &str, name: &str, descriptor: &str) -> u16 {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.949 INFO [stderr] warning: method is never used: `done`
Nov 28 23:04:38.949 INFO [stderr]   --> src/classfile_builder.rs:65:5
Nov 28 23:04:38.949 INFO [stderr]    |
Nov 28 23:04:38.949 INFO [stderr] 65 |     pub fn done(self) -> Classfile {
Nov 28 23:04:38.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.949 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: struct is never constructed: `MethodBuilder`
Nov 28 23:04:38.950 INFO [stderr]   --> src/classfile_builder.rs:70:1
Nov 28 23:04:38.950 INFO [stderr]    |
Nov 28 23:04:38.950 INFO [stderr] 70 | pub struct MethodBuilder<'a> {
Nov 28 23:04:38.950 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `new`
Nov 28 23:04:38.950 INFO [stderr]   --> src/classfile_builder.rs:81:5
Nov 28 23:04:38.950 INFO [stderr]    |
Nov 28 23:04:38.950 INFO [stderr] 81 |     fn new(classfile: &'a mut ClassfileBuilder, access_flags: u16, name: &str, descriptor: &str) -> MethodBuilder<'a> {
Nov 28 23:04:38.950 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `get_static`
Nov 28 23:04:38.950 INFO [stderr]   --> src/classfile_builder.rs:95:5
Nov 28 23:04:38.950 INFO [stderr]    |
Nov 28 23:04:38.950 INFO [stderr] 95 |     pub fn get_static(&mut self, class: &str, name: &str, descriptor: &str) {
Nov 28 23:04:38.950 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `invoke_virtual`
Nov 28 23:04:38.950 INFO [stderr]    --> src/classfile_builder.rs:101:5
Nov 28 23:04:38.950 INFO [stderr]     |
Nov 28 23:04:38.950 INFO [stderr] 101 |     pub fn invoke_virtual(&mut self, class: &str, name: &str, descriptor: &str) {
Nov 28 23:04:38.950 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `bipush`
Nov 28 23:04:38.950 INFO [stderr]    --> src/classfile_builder.rs:107:5
Nov 28 23:04:38.950 INFO [stderr]     |
Nov 28 23:04:38.950 INFO [stderr] 107 |     pub fn bipush(&mut self, value: i8) {
Nov 28 23:04:38.950 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `iadd`
Nov 28 23:04:38.950 INFO [stderr]    --> src/classfile_builder.rs:112:5
Nov 28 23:04:38.950 INFO [stderr]     |
Nov 28 23:04:38.950 INFO [stderr] 112 |     pub fn iadd(&mut self) {
Nov 28 23:04:38.950 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `do_return`
Nov 28 23:04:38.950 INFO [stderr]    --> src/classfile_builder.rs:117:5
Nov 28 23:04:38.950 INFO [stderr]     |
Nov 28 23:04:38.950 INFO [stderr] 117 |     pub fn do_return(&mut self) {
Nov 28 23:04:38.950 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `increase_stack_depth`
Nov 28 23:04:38.950 INFO [stderr]    --> src/classfile_builder.rs:121:5
Nov 28 23:04:38.950 INFO [stderr]     |
Nov 28 23:04:38.950 INFO [stderr] 121 |     fn increase_stack_depth(&mut self) {
Nov 28 23:04:38.950 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `decrease_stack_depth`
Nov 28 23:04:38.950 INFO [stderr]    --> src/classfile_builder.rs:128:5
Nov 28 23:04:38.950 INFO [stderr]     |
Nov 28 23:04:38.950 INFO [stderr] 128 |     fn decrease_stack_depth(&mut self) {
Nov 28 23:04:38.950 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.950 INFO [stderr] warning: method is never used: `done`
Nov 28 23:04:38.950 INFO [stderr]    --> src/classfile_builder.rs:132:5
Nov 28 23:04:38.950 INFO [stderr]     |
Nov 28 23:04:38.950 INFO [stderr] 132 |     pub fn done(self) {
Nov 28 23:04:38.950 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Nov 28 23:04:38.950 INFO [stderr] 
Nov 28 23:04:38.954 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:04:38.954 INFO [stderr]    --> src/classfile.rs:598:9
Nov 28 23:04:38.954 INFO [stderr]     |
Nov 28 23:04:38.954 INFO [stderr] 598 |         write!(f, ": ");
Nov 28 23:04:38.954 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Nov 28 23:04:38.954 INFO [stderr]     |
Nov 28 23:04:38.954 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 23:04:38.954 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:04:38.954 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 23:04:38.954 INFO [stderr] 
Nov 28 23:04:39.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Nov 28 23:04:39.002 INFO [stderr] su: No module specific data is present
Nov 28 23:04:39.584 INFO running `"docker" "inspect" "2ae2804ebc0fe209c55e25179981012a415ca2f0486aa24727d02704b841f458"`
Nov 28 23:04:39.832 INFO running `"docker" "rm" "-f" "2ae2804ebc0fe209c55e25179981012a415ca2f0486aa24727d02704b841f458"`
Nov 28 23:04:40.103 INFO [stdout] 2ae2804ebc0fe209c55e25179981012a415ca2f0486aa24727d02704b841f458