[INFO] updating cached repository https://github.com/silphire/pjs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35137062a873d0f554cbe2062af10fc762d54e02
[INFO] testing silphire/pjs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilphire%2Fpjs" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silphire/pjs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/silphire/pjs
[INFO] finished tweaking git repo https://github.com/silphire/pjs
[INFO] tweaked toml for git repo https://github.com/silphire/pjs written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/silphire/pjs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d6723a4dbc2fe519c6006957e885113671bd1612b752a7eae81f23cc1608d507
[INFO] running `"docker" "start" "-a" "d6723a4dbc2fe519c6006957e885113671bd1612b752a7eae81f23cc1608d507"`
[INFO] [stderr]    Compiling pjs v0.1.0 (/opt/rustwide/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 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 0.76s
[INFO] running `"docker" "inspect" "d6723a4dbc2fe519c6006957e885113671bd1612b752a7eae81f23cc1608d507"`
[INFO] running `"docker" "rm" "-f" "d6723a4dbc2fe519c6006957e885113671bd1612b752a7eae81f23cc1608d507"`
[INFO] [stdout] d6723a4dbc2fe519c6006957e885113671bd1612b752a7eae81f23cc1608d507
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 366fa8b1eea25c9759a15d794f34482d39b96863340d981502e2bcb7f6e9037d
[INFO] running `"docker" "start" "-a" "366fa8b1eea25c9759a15d794f34482d39b96863340d981502e2bcb7f6e9037d"`
[INFO] [stderr]    Compiling pjs v0.1.0 (/opt/rustwide/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 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 0.42s
[INFO] running `"docker" "inspect" "366fa8b1eea25c9759a15d794f34482d39b96863340d981502e2bcb7f6e9037d"`
[INFO] running `"docker" "rm" "-f" "366fa8b1eea25c9759a15d794f34482d39b96863340d981502e2bcb7f6e9037d"`
[INFO] [stdout] 366fa8b1eea25c9759a15d794f34482d39b96863340d981502e2bcb7f6e9037d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] eb434f7db246e7d3e961dd8ad409ec9122ccb00b2aaf1b777aa4f0d84c5eefed
[INFO] running `"docker" "start" "-a" "eb434f7db246e7d3e961dd8ad409ec9122ccb00b2aaf1b777aa4f0d84c5eefed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pjs-e18004542d3b76c6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eb434f7db246e7d3e961dd8ad409ec9122ccb00b2aaf1b777aa4f0d84c5eefed"`
[INFO] running `"docker" "rm" "-f" "eb434f7db246e7d3e961dd8ad409ec9122ccb00b2aaf1b777aa4f0d84c5eefed"`
[INFO] [stdout] eb434f7db246e7d3e961dd8ad409ec9122ccb00b2aaf1b777aa4f0d84c5eefed