[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] checking ayroblu/rust-playground-cli against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayroblu%2Frust-playground-cli" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayroblu/rust-playground-cli on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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 clap v2.33.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d390d6aacb8de738549ba1fa0fec2c0ee0435094e8f49f840d8b484e30898e
[INFO] running `Command { std: "docker" "start" "-a" "c6d390d6aacb8de738549ba1fa0fec2c0ee0435094e8f49f840d8b484e30898e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d390d6aacb8de738549ba1fa0fec2c0ee0435094e8f49f840d8b484e30898e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d390d6aacb8de738549ba1fa0fec2c0ee0435094e8f49f840d8b484e30898e", kill_on_drop: false }`
[INFO] [stdout] c6d390d6aacb8de738549ba1fa0fec2c0ee0435094e8f49f840d8b484e30898e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d3b8680feec898dafff1b7a66ff3ed39522b7c3032d955b9bfca1022fb8861a
[INFO] running `Command { std: "docker" "start" "-a" "7d3b8680feec898dafff1b7a66ff3ed39522b7c3032d955b9bfca1022fb8861a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking 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] [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 2.88s
[INFO] running `Command { std: "docker" "inspect" "7d3b8680feec898dafff1b7a66ff3ed39522b7c3032d955b9bfca1022fb8861a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3b8680feec898dafff1b7a66ff3ed39522b7c3032d955b9bfca1022fb8861a", kill_on_drop: false }`
[INFO] [stdout] 7d3b8680feec898dafff1b7a66ff3ed39522b7c3032d955b9bfca1022fb8861a
