[INFO] cloning repository https://github.com/Weckyy702/fpl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Weckyy702/fpl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeckyy702%2Ffpl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeckyy702%2Ffpl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b639f4c6785ab6173ac04e64e2495e758e7fd7e
[INFO] checking Weckyy702/fpl against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeckyy702%2Ffpl" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Weckyy702/fpl
[INFO] finished tweaking git repo https://github.com/Weckyy702/fpl
[INFO] tweaked toml for git repo https://github.com/Weckyy702/fpl written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Weckyy702/fpl on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Weckyy702/fpl 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "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 proc-macro2 v1.0.76
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded anyhow v1.0.79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d
[INFO] running `Command { std: "docker" "start" "a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking fl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:116:46
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn parse_function_declaration(&mut self, name: Identifier) -> Result<ASTNode> {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:116:46
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn parse_function_declaration(&mut self, name: Identifier) -> Result<ASTNode> {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ast/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NodeKind` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Number(f64),
[INFO] [stdout] 8 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ast/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Atom(Identifier),
[INFO] [stdout]   |     ---- ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NodeKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     Atom(Identifier),
[INFO] [stdout] 9 +     Atom(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function` and `arg` are never read
[INFO] [stdout]   --> src/ast/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Call {
[INFO] [stdout]    |     ---- fields in this variant
[INFO] [stdout] 11 |         function: Box<Node>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |         arg: Box<Node>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeKind` 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 `function` and `body` are never read
[INFO] [stdout]   --> src/ast/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Define {
[INFO] [stdout]    |     ------ fields in this variant
[INFO] [stdout] 15 |         function: FunctionDescriptor,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 16 |         body: Box<Node>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AST` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct AST<Node> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/function.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct FunctionDescriptor {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 31 |     name: Identifier,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionDescriptor` 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/ast/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NodeKind` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Number(f64),
[INFO] [stdout] 8 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ast/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Atom(Identifier),
[INFO] [stdout]   |     ---- ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NodeKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     Atom(Identifier),
[INFO] [stdout] 9 +     Atom(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function` and `arg` are never read
[INFO] [stdout]   --> src/ast/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Call {
[INFO] [stdout]    |     ---- fields in this variant
[INFO] [stdout] 11 |         function: Box<Node>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |         arg: Box<Node>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeKind` 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 `function` and `body` are never read
[INFO] [stdout]   --> src/ast/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Define {
[INFO] [stdout]    |     ------ fields in this variant
[INFO] [stdout] 15 |         function: FunctionDescriptor,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 16 |         body: Box<Node>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AST` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct AST<Node> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/function.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct FunctionDescriptor {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 31 |     name: Identifier,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionDescriptor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d", kill_on_drop: false }`
[INFO] [stdout] a6ed3034b5fff5c93c35a989a6d6b64916e6daadffc3d8875a09dd75941e7f2d
