[INFO] cloning repository https://github.com/silphire/pjs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silphire/pjs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilphire%2Fpjs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilphire%2Fpjs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35137062a873d0f554cbe2062af10fc762d54e02
[INFO] checking silphire/pjs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilphire%2Fpjs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silphire/pjs 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/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 /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/silphire/pjs 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] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c9cdd8cb5f0177b45f82c287456c88bd43828c7cc9e9b6806ce4c355c5167795
[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" "c9cdd8cb5f0177b45f82c287456c88bd43828c7cc9e9b6806ce4c355c5167795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9cdd8cb5f0177b45f82c287456c88bd43828c7cc9e9b6806ce4c355c5167795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cdd8cb5f0177b45f82c287456c88bd43828c7cc9e9b6806ce4c355c5167795", kill_on_drop: false }`
[INFO] [stdout] c9cdd8cb5f0177b45f82c287456c88bd43828c7cc9e9b6806ce4c355c5167795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f6403ff180747dce7f8e4784941cb8efbb2c5b861afdf06cc71e2c53bda13425
[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" "f6403ff180747dce7f8e4784941cb8efbb2c5b861afdf06cc71e2c53bda13425", kill_on_drop: false }`
[INFO] [stderr]     Checking pjs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/prettify.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/prettify.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/prettify.rs:91:49
[INFO] [stdout]    |
[INFO] [stdout] 91 |         println!("Cannot open {} {}", path.display(), Error::description(&why));
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/prettify.rs:91:49
[INFO] [stdout]    |
[INFO] [stdout] 91 |         println!("Cannot open {} {}", path.display(), Error::description(&why));
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/prettify.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut prettified = String::new();
[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: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_json(json: &String, index: i32) -> String {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/prettify.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/prettify.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_whitespace`
[INFO] [stdout]   --> src/prettify.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_value`
[INFO] [stdout]   --> src/prettify.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_object`
[INFO] [stdout]   --> src/prettify.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_member`
[INFO] [stdout]   --> src/prettify.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_array`
[INFO] [stdout]   --> src/prettify.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/prettify.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_string`
[INFO] [stdout]   --> src/prettify.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/prettify.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut prettified = String::new();
[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: function is never used: `parse_whitespace`
[INFO] [stdout]   --> src/prettify.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_whitespace(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_value`
[INFO] [stdout]   --> src/prettify.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn parse_value(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_object`
[INFO] [stdout]   --> src/prettify.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn parse_object(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_member`
[INFO] [stdout]   --> src/prettify.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_member(json: &String, index: &i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_array`
[INFO] [stdout]   --> src/prettify.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_array(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/prettify.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_number(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_string`
[INFO] [stdout]   --> src/prettify.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn parse_string(json: &String, index: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6403ff180747dce7f8e4784941cb8efbb2c5b861afdf06cc71e2c53bda13425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6403ff180747dce7f8e4784941cb8efbb2c5b861afdf06cc71e2c53bda13425", kill_on_drop: false }`
[INFO] [stdout] f6403ff180747dce7f8e4784941cb8efbb2c5b861afdf06cc71e2c53bda13425