[INFO] cloning repository https://github.com/morningKing/jvst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morningKing/jvst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmorningKing%2Fjvst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmorningKing%2Fjvst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7ab989311ca62adbc3af78f91c2719fe34325e0
[INFO] checking morningKing/jvst against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmorningKing%2Fjvst" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morningKing/jvst on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/morningKing/jvst
[INFO] finished tweaking git repo https://github.com/morningKing/jvst
[INFO] tweaked toml for git repo https://github.com/morningKing/jvst written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/morningKing/jvst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 372a6173f0d066b7b3bbb46277359f2e0ba0167ee2ed730fbddb0b45e603a13b
[INFO] running `Command { std: "docker" "start" "-a" "372a6173f0d066b7b3bbb46277359f2e0ba0167ee2ed730fbddb0b45e603a13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372a6173f0d066b7b3bbb46277359f2e0ba0167ee2ed730fbddb0b45e603a13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372a6173f0d066b7b3bbb46277359f2e0ba0167ee2ed730fbddb0b45e603a13b", kill_on_drop: false }`
[INFO] [stdout] 372a6173f0d066b7b3bbb46277359f2e0ba0167ee2ed730fbddb0b45e603a13b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59fe9a8b258c43d3a15f0531ba8010ccdab61edb3e9c23623ecb09114b124008
[INFO] running `Command { std: "docker" "start" "-a" "59fe9a8b258c43d3a15f0531ba8010ccdab61edb3e9c23623ecb09114b124008", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking jvst v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/cmd/classfile/attr_code.rs (1 fix)
[INFO] [stderr]        Fixed src/cmd/classfile/cp_name_type_info.rs (2 fixes)
[INFO] [stderr]        Fixed src/cmd/classfile/attr_ln_info.rs (1 fix)
[INFO] [stderr]        Fixed src/cmd/classfile/attr_lvt_info.rs (1 fix)
[INFO] [stderr]        Fixed src/cmd/visit.rs (5 fixes)
[INFO] [stderr]        Fixed src/cmd/classfile/attr_info.rs (1 fix)
[INFO] [stderr]        Fixed src/cmd/classfile/memb_info.rs (1 fix)
[INFO] [stderr]        Fixed src/cmd/classfile/clz_reader.rs (5 fixes)
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, index: &mut u32) -> u8 {
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn read_u16_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut res = 0;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn read_u32_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn read_i32(data: &[u8], mut res: i32, index: &mut u32) -> i32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn read_f32(data: &[u8], mut res: f32, index: &mut u32) -> f32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn read_u32(data: &[u8], mut res: u32, index: &mut u32) -> u32 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn read_i64(data: &[u8], mut res: i64, index: &mut u32) -> i64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:124:34
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, index: &mut u32) -> f64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:136:35
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn read_utf8(data: &[u8], mut res: String, index: &mut u32, len: u32) -> String {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut res = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, index: &mut u32) -> u8 {
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn read_u16_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut res = 0;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn read_u32_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn read_i32(data: &[u8], mut res: i32, index: &mut u32) -> i32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn read_f32(data: &[u8], mut res: f32, index: &mut u32) -> f32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn read_u32(data: &[u8], mut res: u32, index: &mut u32) -> u32 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn read_i64(data: &[u8], mut res: i64, index: &mut u32) -> i64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:124:34
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, index: &mut u32) -> f64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:136:35
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn read_utf8(data: &[u8], mut res: String, index: &mut u32, len: u32) -> String {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut res = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_file_name`
[INFO] [stdout]   --> src/cmd/classfile/attr_src_info.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn read_file_name(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bootpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bootpath {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Extpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Extpath {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_cmp`
[INFO] [stdout]   --> src/cmd/visit.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_wlid`
[INFO] [stdout]   --> src/cmd/visit.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_file_name`
[INFO] [stdout]   --> src/cmd/classfile/attr_src_info.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn read_file_name(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bootpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bootpath {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Extpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Extpath {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_cmp`
[INFO] [stdout]   --> src/cmd/visit.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_wlid`
[INFO] [stdout]   --> src/cmd/visit.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 cb(&entry, paths, clz_nm);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     visit_zip(clz_path, paths, clz_nm);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 cb(&entry, paths, clz_nm);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     visit_zip(clz_path, paths, clz_nm);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking jvst v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, index: &mut u32) -> u8 {
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn read_u16_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut res = 0;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn read_u32_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn read_i32(data: &[u8], mut res: i32, index: &mut u32) -> i32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn read_f32(data: &[u8], mut res: f32, index: &mut u32) -> f32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn read_u32(data: &[u8], mut res: u32, index: &mut u32) -> u32 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn read_i64(data: &[u8], mut res: i64, index: &mut u32) -> i64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:124:34
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, index: &mut u32) -> f64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:136:35
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn read_utf8(data: &[u8], mut res: String, index: &mut u32, len: u32) -> String {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut res = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, index: &mut u32) -> u8 {
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn read_u16_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut res = 0;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn read_u32_string(data: &[u8], mut res: String, index: &mut u32) -> String {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn read_i32(data: &[u8], mut res: i32, index: &mut u32) -> i32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn read_f32(data: &[u8], mut res: f32, index: &mut u32) -> f32 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn read_u32(data: &[u8], mut res: u32, index: &mut u32) -> u32 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn read_i64(data: &[u8], mut res: i64, index: &mut u32) -> i64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:124:34
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, index: &mut u32) -> f64 {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:136:35
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn read_utf8(data: &[u8], mut res: String, index: &mut u32, len: u32) -> String {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut res = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_file_name`
[INFO] [stdout]   --> src/cmd/classfile/attr_src_info.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn read_file_name(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bootpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bootpath {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Extpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Extpath {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_cmp`
[INFO] [stdout]   --> src/cmd/visit.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_wlid`
[INFO] [stdout]   --> src/cmd/visit.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 cb(&entry, paths, clz_nm);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     visit_zip(clz_path, paths, clz_nm);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_file_name`
[INFO] [stdout]   --> src/cmd/classfile/attr_src_info.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn read_file_name(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bootpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bootpath {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Extpath`
[INFO] [stdout]  --> src/cmd/classpath.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Extpath {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `readclz`
[INFO] [stdout]   --> src/cmd/classpath.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn readclz(&self, clz_nm: &str) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_cmp`
[INFO] [stdout]   --> src/cmd/visit.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exp_wlid`
[INFO] [stdout]   --> src/cmd/visit.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(_path: String, _clz_nm: &str) {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 cb(&entry, paths, clz_nm);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cmd/visit.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     visit_zip(clz_path, paths, clz_nm);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "59fe9a8b258c43d3a15f0531ba8010ccdab61edb3e9c23623ecb09114b124008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59fe9a8b258c43d3a15f0531ba8010ccdab61edb3e9c23623ecb09114b124008", kill_on_drop: false }`
[INFO] [stdout] 59fe9a8b258c43d3a15f0531ba8010ccdab61edb3e9c23623ecb09114b124008