[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmorningKing%2Fjvst" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morningKing/jvst on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00e94626d9395f738f84241ed563d03796a1eb848a6c5ba1d31f9240e5048c74
[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" "00e94626d9395f738f84241ed563d03796a1eb848a6c5ba1d31f9240e5048c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e94626d9395f738f84241ed563d03796a1eb848a6c5ba1d31f9240e5048c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e94626d9395f738f84241ed563d03796a1eb848a6c5ba1d31f9240e5048c74", kill_on_drop: false }`
[INFO] [stdout] 00e94626d9395f738f84241ed563d03796a1eb848a6c5ba1d31f9240e5048c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce1a944f8bd35abf2d6f3198fd0d757c66e1d3fb4a9276353ce937d4fdaa575
[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" "3ce1a944f8bd35abf2d6f3198fd0d757c66e1d3fb4a9276353ce937d4fdaa575", kill_on_drop: false }`
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking jvst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:47:74
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn read_u16_string(data: &[u8], mut res: String, index: &mut u32) -> (String) {
[INFO] [stdout]    |                                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/cmd/visit.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if (name.ends_with(clz_nm)) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:47:74
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn read_u16_string(data: &[u8], mut res: String, index: &mut u32) -> (String) {
[INFO] [stdout]    |                                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/cmd/visit.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if (name.ends_with(clz_nm)) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_code.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     for i in 0..exp_len {
[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: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_info.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for i in 0..count {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_ln_info.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for i in 0..ln_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_lvt_info.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for i in 0..lvt_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, mut 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:47:37
[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:56:9
[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:68:37
[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:76:30
[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:88:30
[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:100:30
[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:112:30
[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:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, mut 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:136:31
[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: unused variable: `i`
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for i in 0..count {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:151:13
[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: unused variable: `name_index`
[INFO] [stdout]   --> src/cmd/classfile/cp_name_type_info.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let name_index = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_name_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `desc_index`
[INFO] [stdout]   --> src/cmd/classfile/cp_name_type_info.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let desc_index = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_desc_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/memb_info.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for i in 0..mems_num {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/cmd/visit.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clz_nm`
[INFO] [stdout]   --> src/cmd/visit.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_clz_nm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/cmd/visit.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clz_nm`
[INFO] [stdout]   --> src/cmd/visit.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_clz_nm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, mut index: &mut u32) -> u8 {
[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/cmd/classfile/clz_reader.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn read_u16(data: &[u8], mut index: &mut u32) -> u16 {
[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/cmd/classfile/clz_reader.rs:124:44
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, mut index: &mut u32) -> f64 {
[INFO] [stdout]     |                                            ----^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[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: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_code.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     for i in 0..exp_len {
[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: 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 variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_info.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for i in 0..count {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_ln_info.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for i in 0..ln_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/attr_lvt_info.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for i in 0..lvt_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value passed to `res` is never read
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, mut 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:47:37
[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:56:9
[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:68:37
[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:76:30
[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:88:30
[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:100:30
[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:112:30
[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:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, mut 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:136:31
[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: unused variable: `i`
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for i in 0..count {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/cmd/classfile/clz_reader.rs:151:13
[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: unused variable: `name_index`
[INFO] [stdout]   --> src/cmd/classfile/cp_name_type_info.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let name_index = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_name_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `desc_index`
[INFO] [stdout]   --> src/cmd/classfile/cp_name_type_info.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let desc_index = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_desc_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cmd/classfile/memb_info.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for i in 0..mems_num {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/cmd/visit.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clz_nm`
[INFO] [stdout]   --> src/cmd/visit.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn exp_cmp(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_clz_nm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/cmd/visit.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clz_nm`
[INFO] [stdout]   --> src/cmd/visit.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn exp_wlid(path: String, clz_nm: &str) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_clz_nm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cmd/classfile/clz_reader.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn read_u8(data: &[u8], mut res: u8, mut index: &mut u32) -> u8 {
[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/cmd/classfile/clz_reader.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn read_u16(data: &[u8], mut index: &mut u32) -> u16 {
[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/cmd/classfile/clz_reader.rs:124:44
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn read_f64(data: &[u8], mut res: f64, mut index: &mut u32) -> f64 {
[INFO] [stdout]     |                                            ----^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::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 `std::result::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: 37 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 `std::result::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 `std::result::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: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "3ce1a944f8bd35abf2d6f3198fd0d757c66e1d3fb4a9276353ce937d4fdaa575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce1a944f8bd35abf2d6f3198fd0d757c66e1d3fb4a9276353ce937d4fdaa575", kill_on_drop: false }`
[INFO] [stdout] 3ce1a944f8bd35abf2d6f3198fd0d757c66e1d3fb4a9276353ce937d4fdaa575