[INFO] updating cached repository https://github.com/qiaojinxia/gwvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/qiaojinxia/gwvm
[INFO] [stderr]    53af3c9..2adf5f4  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2adf5f45c87362c7884c560cb21f877cc841c00c
[INFO] checking qiaojinxia/gwvm against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiaojinxia%2Fgwvm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiaojinxia/gwvm on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qiaojinxia/gwvm
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[INFO] crate git repo https://github.com/qiaojinxia/gwvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c36ec82b23bd62fadd65511e3d61a05fa7cc46e71af33475b1bbeed1a6c477f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c36ec82b23bd62fadd65511e3d61a05fa7cc46e71af33475b1bbeed1a6c477f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c36ec82b23bd62fadd65511e3d61a05fa7cc46e71af33475b1bbeed1a6c477f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36ec82b23bd62fadd65511e3d61a05fa7cc46e71af33475b1bbeed1a6c477f7", kill_on_drop: false }`
[INFO] [stdout] c36ec82b23bd62fadd65511e3d61a05fa7cc46e71af33475b1bbeed1a6c477f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2105e363ae3f9934a631d2b0b920f88eb8211d8cd9ebf6befdf84a1b2ac1c098
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2105e363ae3f9934a631d2b0b920f88eb8211d8cd9ebf6befdf84a1b2ac1c098", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking gwvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Exceptions`, `LocalVaribleTable`
[INFO] [stdout]  --> src/classpath/class_reader.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::classpath::classfile_attribute::Attribute::{Exceptions, LocalVaribleTable};
[INFO] [stdout]   |                                                        ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::read`
[INFO] [stdout]   --> src/classpath/class_reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fs::read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:393:14
[INFO] [stdout]     |
[INFO] [stdout] 393 |             0...63 => StackMapFrameBody::SameFrame,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:394:15
[INFO] [stdout]     |
[INFO] [stdout] 394 |             64...127 => {
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:406:16
[INFO] [stdout]     |
[INFO] [stdout] 406 |             248...250 => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:414:16
[INFO] [stdout]     |
[INFO] [stdout] 414 |             252...254 => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Attribute`
[INFO] [stdout]  --> src/classpath/classfile.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::classpath::classfile_attribute::{Attribute, AttributeInfo};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::classpath::classfile::Constant`
[INFO] [stdout]  --> src/classpath/classfile_attribute.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::classpath::classfile::Constant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/classpath/classfile_attribute.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::{Error, Formatter};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `const_value_index` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     const_value_index(U16ConstantIndex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConstValueIndex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `enum_const_value` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     enum_const_value {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EnumConstValue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `class_info_index` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     class_info_index(U16ConstantIndex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ClassInfoIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `annotation_value` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     annotation_value(Annotation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AnnotationValue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `array_value` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     array_value {
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ArrayValue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::classpath::vmcode::Inst::Code`
[INFO] [stdout]  --> src/classpath/vmcode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::classpath::vmcode::Inst::Code;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Exceptions`, `LocalVaribleTable`
[INFO] [stdout]  --> src/classpath/class_reader.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::classpath::classfile_attribute::Attribute::{Exceptions, LocalVaribleTable};
[INFO] [stdout]   |                                                        ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::read`
[INFO] [stdout]   --> src/classpath/class_reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fs::read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:393:14
[INFO] [stdout]     |
[INFO] [stdout] 393 |             0...63 => StackMapFrameBody::SameFrame,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:394:15
[INFO] [stdout]     |
[INFO] [stdout] 394 |             64...127 => {
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:406:16
[INFO] [stdout]     |
[INFO] [stdout] 406 |             248...250 => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/classpath/class_reader.rs:414:16
[INFO] [stdout]     |
[INFO] [stdout] 414 |             252...254 => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Attribute`
[INFO] [stdout]  --> src/classpath/classfile.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::classpath::classfile_attribute::{Attribute, AttributeInfo};
[INFO] [stdout]   |                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::classpath::classfile::Constant`
[INFO] [stdout]  --> src/classpath/classfile_attribute.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::classpath::classfile::Constant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/classpath/classfile_attribute.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::{Error, Formatter};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `const_value_index` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     const_value_index(U16ConstantIndex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConstValueIndex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `enum_const_value` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     enum_const_value {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EnumConstValue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `class_info_index` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     class_info_index(U16ConstantIndex),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ClassInfoIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `annotation_value` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     annotation_value(Annotation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AnnotationValue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `array_value` should have an upper camel case name
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     array_value {
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ArrayValue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::classpath::vmcode::Inst::Code`
[INFO] [stdout]  --> src/classpath/vmcode.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::classpath::vmcode::Inst::Code;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/classpath/classfile.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |             for (i, v) in methodinfo.attribute_info.iter().enumerate() {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut res = String::new();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:377:19
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:390:19
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:431:19
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:443:19
[INFO] [stdout]     |
[INFO] [stdout] 443 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:483:19
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/classpath/class_reader.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let mut attribute = self.read_attribute_info(constant_pool.as_ref())?;
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/class_reader.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut buf = &self.classreader[self.index..self.index + 4];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/classpath/classfile.rs:139:18
[INFO] [stdout]     |
[INFO] [stdout] 139 |             for (i, v) in methodinfo.attribute_info.iter().enumerate() {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut res = String::new();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:377:19
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:390:19
[INFO] [stdout]     |
[INFO] [stdout] 390 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/class_reader.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut buf = &self.classreader[self.index];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:411:19
[INFO] [stdout]     |
[INFO] [stdout] 411 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:431:19
[INFO] [stdout]     |
[INFO] [stdout] 431 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:443:19
[INFO] [stdout]     |
[INFO] [stdout] 443 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:483:19
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/classpath/class_reader.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let mut attribute = self.read_attribute_info(constant_pool.as_ref())?;
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/class_reader.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut buf = &self.classreader[self.index..self.index + 4];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/class_reader.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut buf = &self.classreader[self.index];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut res = String::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut res = String::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let mut output = String::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_method_parameters_attribute`
[INFO] [stdout]    --> src/classpath/class_reader.rs:581:8
[INFO] [stdout]     |
[INFO] [stdout] 581 |     fn read_method_parameters_attribute(&mut self) -> Option<Attribute> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classpath/classfile.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/classpath/classfile.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/classpath/classfile.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 |     pub fn value(&self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_type`
[INFO] [stdout]    --> src/classpath/classfile.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub fn parse_type(&self) -> ConstantType {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_tag`
[INFO] [stdout]   --> src/classpath/classfile_access.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn parse_tag(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EnclosingMethod`
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     EnclosingMethod {
[INFO] [stdout] 68 | |         class_index: u16,
[INFO] [stdout] 69 | |         method_index: u16,
[INFO] [stdout] 70 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Synthetic`
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Synthetic,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MethodParameter`
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     MethodParameter {
[INFO] [stdout] 77 | |         parameters_count: u8,
[INFO] [stdout] 78 | |         parameters: Vec<Parameters>,
[INFO] [stdout] 79 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 |     Null,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UninitializedThis`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:496:5
[INFO] [stdout]     |
[INFO] [stdout] 496 |     UninitializedThis,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Uninitialized`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:498:5
[INFO] [stdout]     |
[INFO] [stdout] 498 |     Uninitialized,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `buffered_io_capacity` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(buffered_io_capacity)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let mut output = String::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CodeAttribute` should have a snake case name
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Attribute::Code(CodeAttribute) => print!("{}", CodeAttribute),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `code_attribute`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_method_parameters_attribute`
[INFO] [stdout]    --> src/classpath/class_reader.rs:581:8
[INFO] [stdout]     |
[INFO] [stdout] 581 |     fn read_method_parameters_attribute(&mut self) -> Option<Attribute> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/classpath/classfile.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/classpath/classfile.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/classpath/classfile.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 |     pub fn value(&self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_type`
[INFO] [stdout]    --> src/classpath/classfile.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub fn parse_type(&self) -> ConstantType {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_tag`
[INFO] [stdout]   --> src/classpath/classfile_access.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn parse_tag(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EnclosingMethod`
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     EnclosingMethod {
[INFO] [stdout] 68 | |         class_index: u16,
[INFO] [stdout] 69 | |         method_index: u16,
[INFO] [stdout] 70 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Synthetic`
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Synthetic,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MethodParameter`
[INFO] [stdout]   --> src/classpath/classfile_attribute.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     MethodParameter {
[INFO] [stdout] 77 | |         parameters_count: u8,
[INFO] [stdout] 78 | |         parameters: Vec<Parameters>,
[INFO] [stdout] 79 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 |     Null,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UninitializedThis`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:496:5
[INFO] [stdout]     |
[INFO] [stdout] 496 |     UninitializedThis,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Uninitialized`
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:498:5
[INFO] [stdout]     |
[INFO] [stdout] 498 |     Uninitialized,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `buffered_io_capacity` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(buffered_io_capacity)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CodeAttribute` should have a snake case name
[INFO] [stdout]    --> src/classpath/classfile_attribute.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Attribute::Code(CodeAttribute) => print!("{}", CodeAttribute),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `code_attribute`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "2105e363ae3f9934a631d2b0b920f88eb8211d8cd9ebf6befdf84a1b2ac1c098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2105e363ae3f9934a631d2b0b920f88eb8211d8cd9ebf6befdf84a1b2ac1c098", kill_on_drop: false }`
[INFO] [stdout] 2105e363ae3f9934a631d2b0b920f88eb8211d8cd9ebf6befdf84a1b2ac1c098