[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 master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayroblu%2Frust-playground-cli" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayroblu/rust-playground-cli on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09611d1c79bebc074c6c85c1dcc54b69965c373cc0962f0ff4f4c476e96b6873
[INFO] running `Command { std: "docker" "start" "-a" "09611d1c79bebc074c6c85c1dcc54b69965c373cc0962f0ff4f4c476e96b6873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09611d1c79bebc074c6c85c1dcc54b69965c373cc0962f0ff4f4c476e96b6873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09611d1c79bebc074c6c85c1dcc54b69965c373cc0962f0ff4f4c476e96b6873", kill_on_drop: false }`
[INFO] [stdout] 09611d1c79bebc074c6c85c1dcc54b69965c373cc0962f0ff4f4c476e96b6873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f2e369707f151ad732a8a7071b1ac640b46b5f2e3b7edab91d430b841184e84
[INFO] running `Command { std: "docker" "start" "-a" "4f2e369707f151ad732a8a7071b1ac640b46b5f2e3b7edab91d430b841184e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[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)]` 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)]` 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 3.29s
[INFO] running `Command { std: "docker" "inspect" "4f2e369707f151ad732a8a7071b1ac640b46b5f2e3b7edab91d430b841184e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2e369707f151ad732a8a7071b1ac640b46b5f2e3b7edab91d430b841184e84", kill_on_drop: false }`
[INFO] [stdout] 4f2e369707f151ad732a8a7071b1ac640b46b5f2e3b7edab91d430b841184e84
