[INFO] cloning repository https://github.com/ayroblu/rust-playground-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayroblu/rust-playground-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayroblu%2Frust-playground-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayroblu%2Frust-playground-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0317250339ed21bcfd07b3216bf98a253275fe70
[INFO] testing ayroblu/rust-playground-cli against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayroblu%2Frust-playground-cli" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ayroblu/rust-playground-cli
[INFO] finished tweaking git repo https://github.com/ayroblu/rust-playground-cli
[INFO] tweaked toml for git repo https://github.com/ayroblu/rust-playground-cli written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayroblu/rust-playground-cli on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ayroblu/rust-playground-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36f6e96879c882b975d21def0871cd7a60fb67aba868e7f88f96d1248e938e90
[INFO] running `Command { std: "docker" "start" "-a" "36f6e96879c882b975d21def0871cd7a60fb67aba868e7f88f96d1248e938e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f6e96879c882b975d21def0871cd7a60fb67aba868e7f88f96d1248e938e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f6e96879c882b975d21def0871cd7a60fb67aba868e7f88f96d1248e938e90", kill_on_drop: false }`
[INFO] [stdout] 36f6e96879c882b975d21def0871cd7a60fb67aba868e7f88f96d1248e938e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240e8b819e5cc881a33fa06d17f0775b2f9cc15f58c62b9fabc9025cc38824b8
[INFO] running `Command { std: "docker" "start" "-a" "240e8b819e5cc881a33fa06d17f0775b2f9cc15f58c62b9fabc9025cc38824b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rust-playground-cli v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/modules/conversion_traits.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 18 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/modules/custom_types.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Person<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 35 |     // The 'a defines a lifetime
[INFO] [stdout] 36 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     age: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/modules/custom_types.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Pair(i32, f32);
[INFO] [stdout]    |        ---- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Pair` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> src/modules/custom_types.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Point {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 51 |     x: f32,
[INFO] [stdout] 52 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/modules/format_print.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 | struct DebugPrintable(i32);
[INFO] [stdout]     |        -------------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `DebugPrintable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]    --> src/modules/functions.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 266 | trait Contains {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn contains(&self, _: &Self::A, _: &Self::B) -> bool; // Explicitly requires `A` and `B`.
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "240e8b819e5cc881a33fa06d17f0775b2f9cc15f58c62b9fabc9025cc38824b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240e8b819e5cc881a33fa06d17f0775b2f9cc15f58c62b9fabc9025cc38824b8", kill_on_drop: false }`
[INFO] [stdout] 240e8b819e5cc881a33fa06d17f0775b2f9cc15f58c62b9fabc9025cc38824b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5617700c2d3afd028262914d617f34e814d9f226d8302327d289bdcdfa0f27b0
[INFO] running `Command { std: "docker" "start" "-a" "5617700c2d3afd028262914d617f34e814d9f226d8302327d289bdcdfa0f27b0", kill_on_drop: false }`
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/modules/conversion_traits.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 18 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/modules/custom_types.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Person<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 35 |     // The 'a defines a lifetime
[INFO] [stdout] 36 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     age: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/modules/custom_types.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Pair(i32, f32);
[INFO] [stdout]    |        ---- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Pair` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> src/modules/custom_types.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Point {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 51 |     x: f32,
[INFO] [stdout] 52 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/modules/format_print.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 | struct DebugPrintable(i32);
[INFO] [stdout]     |        -------------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `DebugPrintable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]    --> src/modules/functions.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 266 | trait Contains {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn contains(&self, _: &Self::A, _: &Self::B) -> bool; // Explicitly requires `A` and `B`.
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-playground-cli v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/modules/conversion_traits.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 18 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> src/modules/custom_types.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Person<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 35 |     // The 'a defines a lifetime
[INFO] [stdout] 36 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     age: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/modules/custom_types.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Pair(i32, f32);
[INFO] [stdout]    |        ---- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Pair` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> src/modules/custom_types.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Point {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 51 |     x: f32,
[INFO] [stdout] 52 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/modules/format_print.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 | struct DebugPrintable(i32);
[INFO] [stdout]     |        -------------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `DebugPrintable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]    --> src/modules/functions.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 266 | trait Contains {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 272 |     fn contains(&self, _: &Self::A, _: &Self::B) -> bool; // Explicitly requires `A` and `B`.
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "5617700c2d3afd028262914d617f34e814d9f226d8302327d289bdcdfa0f27b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5617700c2d3afd028262914d617f34e814d9f226d8302327d289bdcdfa0f27b0", kill_on_drop: false }`
[INFO] [stdout] 5617700c2d3afd028262914d617f34e814d9f226d8302327d289bdcdfa0f27b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88acc3b0cdf44b2e5d109ef6826211af7785b2177e6fc158d75a6db801212b9e
[INFO] running `Command { std: "docker" "start" "-a" "88acc3b0cdf44b2e5d109ef6826211af7785b2177e6fc158d75a6db801212b9e", kill_on_drop: false }`
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/modules/conversion_traits.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Number {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 18 |     value: i32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `age` are never read
[INFO] [stderr]   --> src/modules/custom_types.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct Person<'a> {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 35 |     // The 'a defines a lifetime
[INFO] [stderr] 36 |     name: &'a str,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 37 |     age: u8,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> src/modules/custom_types.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 | struct Pair(i32, f32);
[INFO] [stderr]    |        ---- ^^^  ^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr]    = note: `Pair` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `y` is never read
[INFO] [stderr]   --> src/modules/custom_types.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct Point {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 51 |     x: f32,
[INFO] [stderr] 52 |     y: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/modules/format_print.rs:114:23
[INFO] [stderr]     |
[INFO] [stderr] 114 | struct DebugPrintable(i32);
[INFO] [stderr]     |        -------------- ^^^
[INFO] [stderr]     |        |
[INFO] [stderr]     |        field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `DebugPrintable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `contains` is never used
[INFO] [stderr]    --> src/modules/functions.rs:272:8
[INFO] [stderr]     |
[INFO] [stderr] 266 | trait Contains {
[INFO] [stderr]     |       -------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 272 |     fn contains(&self, _: &Self::A, _: &Self::B) -> bool; // Explicitly requires `A` and `B`.
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-playground-cli` (lib) generated 6 warnings
[INFO] [stderr] warning: `rust-playground-cli` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/librustplaygroundcli-b22a0ded67a67313)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test modules::testing::tests::test_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_playground_cli-3ca0e5cd935c9165)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests librustplaygroundcli
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/modules/testing.rs - modules::testing::add_one (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/modules/testing.rs - modules::testing::add_one (line 12) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `testing` in `librustplaygroundcli`
[INFO] [stdout]   --> src/modules/testing.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 | use librustplaygroundcli::testing::methods::add_one;
[INFO] [stdout]    |                           ^^^^^^^ could not find `testing` in `librustplaygroundcli`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/modules/testing.rs - modules::testing::add_one (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "88acc3b0cdf44b2e5d109ef6826211af7785b2177e6fc158d75a6db801212b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88acc3b0cdf44b2e5d109ef6826211af7785b2177e6fc158d75a6db801212b9e", kill_on_drop: false }`
[INFO] [stdout] 88acc3b0cdf44b2e5d109ef6826211af7785b2177e6fc158d75a6db801212b9e
