[INFO] updating cached repository silphire/pjs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/silphire/pjs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/silphire/pjs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/silphire/pjs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/silphire/pjs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/silphire/pjs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/silphire/pjs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/silphire/pjs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35137062a873d0f554cbe2062af10fc762d54e02
[INFO] sha for GitHub repo silphire/pjs: 35137062a873d0f554cbe2062af10fc762d54e02
[INFO] validating manifest of silphire/pjs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of silphire/pjs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing silphire/pjs
[INFO] finished frobbing silphire/pjs
[INFO] frobbed toml for silphire/pjs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/silphire/pjs/Cargo.toml
[INFO] started frobbing silphire/pjs
[INFO] finished frobbing silphire/pjs
[INFO] frobbed toml for silphire/pjs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/silphire/pjs/Cargo.toml
[INFO] crate silphire/pjs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/silphire/pjs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking silphire/pjs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/silphire/pjs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4e11d937ac4aa19276512ac2b33454ccee5635a488db9b2036f64b6c3cd4ad5
[INFO] running `"docker" "start" "-a" "f4e11d937ac4aa19276512ac2b33454ccee5635a488db9b2036f64b6c3cd4ad5"`
[INFO] [stderr]     Checking pjs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/prettify.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/prettify.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stderr]    |               ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stderr]    |                              ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                    ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stderr]    |                               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stderr]    |                               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:64:32
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/prettify.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut prettified = String::new();
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_whitespace`
[INFO] [stderr]   --> src/prettify.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_value`
[INFO] [stderr]   --> src/prettify.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_object`
[INFO] [stderr]   --> src/prettify.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_member`
[INFO] [stderr]   --> src/prettify.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_array`
[INFO] [stderr]   --> src/prettify.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_number`
[INFO] [stderr]   --> src/prettify.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_string`
[INFO] [stderr]   --> src/prettify.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stderr]    |               ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stderr]    |                              ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                    ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stderr]    |                               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stderr]    |                               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `json`
[INFO] [stderr]   --> src/prettify.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_json`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/prettify.rs:64:32
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/prettify.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut prettified = String::new();
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_whitespace`
[INFO] [stderr]   --> src/prettify.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_value`
[INFO] [stderr]   --> src/prettify.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_object`
[INFO] [stderr]   --> src/prettify.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_member`
[INFO] [stderr]   --> src/prettify.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_array`
[INFO] [stderr]   --> src/prettify.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_number`
[INFO] [stderr]   --> src/prettify.rs:58:1
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_string`
[INFO] [stderr]   --> src/prettify.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "f4e11d937ac4aa19276512ac2b33454ccee5635a488db9b2036f64b6c3cd4ad5"`
[INFO] running `"docker" "rm" "-f" "f4e11d937ac4aa19276512ac2b33454ccee5635a488db9b2036f64b6c3cd4ad5"`
[INFO] [stdout] f4e11d937ac4aa19276512ac2b33454ccee5635a488db9b2036f64b6c3cd4ad5