[INFO] cloning repository https://github.com/nickjbedford/fox-lang-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickjbedford/fox-lang-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickjbedford%2Ffox-lang-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickjbedford%2Ffox-lang-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cab84a17db78786907cf608b1f2e2b65da2376c5
[INFO] testing nickjbedford/fox-lang-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickjbedford%2Ffox-lang-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickjbedford/fox-lang-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nickjbedford/fox-lang-rust
[INFO] finished tweaking git repo https://github.com/nickjbedford/fox-lang-rust
[INFO] tweaked toml for git repo https://github.com/nickjbedford/fox-lang-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nickjbedford/fox-lang-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca2611812b65b5637d6526a865a3c68d52237edc5c9f9702b9ec7bf1b5aed8d8
[INFO] running `Command { std: "docker" "start" "-a" "ca2611812b65b5637d6526a865a3c68d52237edc5c9f9702b9ec7bf1b5aed8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2611812b65b5637d6526a865a3c68d52237edc5c9f9702b9ec7bf1b5aed8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2611812b65b5637d6526a865a3c68d52237edc5c9f9702b9ec7bf1b5aed8d8", kill_on_drop: false }`
[INFO] [stdout] ca2611812b65b5637d6526a865a3c68d52237edc5c9f9702b9ec7bf1b5aed8d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b56bccfbeb77b121a92a05d66ba8a0b5811b2263c5fbee31b66b3b1772dfdc
[INFO] running `Command { std: "docker" "start" "-a" "41b56bccfbeb77b121a92a05d66ba8a0b5811b2263c5fbee31b66b3b1772dfdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling phf v0.10.0
[INFO] [stderr]    Compiling fox-lang-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/compiler/keyword.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/compiler/keyword.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let tokens: Vec<Token> = vec![
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]  --> src/compiler/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Operator(Operator)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Else`
[INFO] [stdout]  --> src/compiler/keyword.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Else,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Match`
[INFO] [stdout]  --> src/compiler/keyword.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Match
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/compiler/keyword.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Data,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Impl`
[INFO] [stdout]   --> src/compiler/keyword.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Impl,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]   --> src/compiler/keyword.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Operator
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> src/compiler/keyword.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Short`
[INFO] [stdout]   --> src/compiler/keyword.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Short,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/compiler/keyword.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Long`
[INFO] [stdout]   --> src/compiler/keyword.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Long,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Byte`
[INFO] [stdout]   --> src/compiler/keyword.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Byte,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]   --> src/compiler/keyword.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Word,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UInt`
[INFO] [stdout]   --> src/compiler/keyword.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     UInt,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ULong`
[INFO] [stdout]   --> src/compiler/keyword.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ULong,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/compiler/keyword.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Double`
[INFO] [stdout]   --> src/compiler/keyword.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Double,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/compiler/keyword.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     String
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declarative`
[INFO] [stdout]   --> src/compiler/keyword.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Declarative(Declarative),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Primitive`
[INFO] [stdout]   --> src/compiler/keyword.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Primitive(Primitive)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `KEYWORD_MAP`
[INFO] [stdout]   --> src/compiler/keyword.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / static KEYWORD_MAP: Map<&'static str, Keyword> = phf_map! {
[INFO] [stdout] 39 | |     "if" => Keyword::Logical(Logical::If),
[INFO] [stdout] 40 | |     "else" => Keyword::Logical(Logical::Else),
[INFO] [stdout] 41 | |     "match" => Keyword::Logical(Logical::Match),
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     "string" => Keyword::Primitive(Primitive::String),
[INFO] [stdout] 61 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeftBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     LeftBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RightBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     RightBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeftSquareBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     LeftSquareBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RightSquareBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RightSquareBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ColonAssignment`
[INFO] [stdout]  --> src/compiler/operator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ColonAssignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/compiler/operator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ForwardSlash`
[INFO] [stdout]  --> src/compiler/operator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ForwardSlash,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BackSlash`
[INFO] [stdout]  --> src/compiler/operator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BackSlash,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hyphen`
[INFO] [stdout]   --> src/compiler/operator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Hyphen,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Asterisk`
[INFO] [stdout]   --> src/compiler/operator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Asterisk,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Period`
[INFO] [stdout]   --> src/compiler/operator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Period,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "41b56bccfbeb77b121a92a05d66ba8a0b5811b2263c5fbee31b66b3b1772dfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b56bccfbeb77b121a92a05d66ba8a0b5811b2263c5fbee31b66b3b1772dfdc", kill_on_drop: false }`
[INFO] [stdout] 41b56bccfbeb77b121a92a05d66ba8a0b5811b2263c5fbee31b66b3b1772dfdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c8335b9d0ec293276ea37446b69af1e6e548a463c7ebcfd469c329008109280
[INFO] running `Command { std: "docker" "start" "-a" "4c8335b9d0ec293276ea37446b69af1e6e548a463c7ebcfd469c329008109280", kill_on_drop: false }`
[INFO] [stderr]    Compiling fox-lang-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/compiler/keyword.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/compiler/keyword.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let tokens: Vec<Token> = vec![
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]  --> src/compiler/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Operator(Operator)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Else`
[INFO] [stdout]  --> src/compiler/keyword.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Else,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Match`
[INFO] [stdout]  --> src/compiler/keyword.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Match
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/compiler/keyword.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Data,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Impl`
[INFO] [stdout]   --> src/compiler/keyword.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Impl,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]   --> src/compiler/keyword.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Operator
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> src/compiler/keyword.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Short`
[INFO] [stdout]   --> src/compiler/keyword.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Short,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/compiler/keyword.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Long`
[INFO] [stdout]   --> src/compiler/keyword.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Long,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Byte`
[INFO] [stdout]   --> src/compiler/keyword.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Byte,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]   --> src/compiler/keyword.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Word,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UInt`
[INFO] [stdout]   --> src/compiler/keyword.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     UInt,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ULong`
[INFO] [stdout]   --> src/compiler/keyword.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ULong,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/compiler/keyword.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Double`
[INFO] [stdout]   --> src/compiler/keyword.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Double,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/compiler/keyword.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     String
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Declarative`
[INFO] [stdout]   --> src/compiler/keyword.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Declarative(Declarative),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Primitive`
[INFO] [stdout]   --> src/compiler/keyword.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Primitive(Primitive)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `KEYWORD_MAP`
[INFO] [stdout]   --> src/compiler/keyword.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / static KEYWORD_MAP: Map<&'static str, Keyword> = phf_map! {
[INFO] [stdout] 39 | |     "if" => Keyword::Logical(Logical::If),
[INFO] [stdout] 40 | |     "else" => Keyword::Logical(Logical::Else),
[INFO] [stdout] 41 | |     "match" => Keyword::Logical(Logical::Match),
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     "string" => Keyword::Primitive(Primitive::String),
[INFO] [stdout] 61 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeftBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     LeftBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RightBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     RightBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LeftSquareBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     LeftSquareBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RightSquareBracket`
[INFO] [stdout]  --> src/compiler/operator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     RightSquareBracket,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ColonAssignment`
[INFO] [stdout]  --> src/compiler/operator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ColonAssignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/compiler/operator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ForwardSlash`
[INFO] [stdout]  --> src/compiler/operator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ForwardSlash,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BackSlash`
[INFO] [stdout]  --> src/compiler/operator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BackSlash,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hyphen`
[INFO] [stdout]   --> src/compiler/operator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Hyphen,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Asterisk`
[INFO] [stdout]   --> src/compiler/operator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Asterisk,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Period`
[INFO] [stdout]   --> src/compiler/operator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Period,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "4c8335b9d0ec293276ea37446b69af1e6e548a463c7ebcfd469c329008109280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8335b9d0ec293276ea37446b69af1e6e548a463c7ebcfd469c329008109280", kill_on_drop: false }`
[INFO] [stdout] 4c8335b9d0ec293276ea37446b69af1e6e548a463c7ebcfd469c329008109280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20e7d6f6bb19fadba367eea48ed2792967027ba648fba410cdcee6f88f04c62a
[INFO] running `Command { std: "docker" "start" "-a" "20e7d6f6bb19fadba367eea48ed2792967027ba648fba410cdcee6f88f04c62a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/compiler/keyword.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/compiler/keyword.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let tokens: Vec<Token> = vec![
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Operator`
[INFO] [stderr]  --> src/compiler/token.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Operator(Operator)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]  --> src/compiler/keyword.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Else,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Match`
[INFO] [stderr]  --> src/compiler/keyword.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Match
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Data`
[INFO] [stderr]   --> src/compiler/keyword.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Data,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Impl`
[INFO] [stderr]   --> src/compiler/keyword.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Impl,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Operator`
[INFO] [stderr]   --> src/compiler/keyword.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Operator
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Char`
[INFO] [stderr]   --> src/compiler/keyword.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Char,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Short`
[INFO] [stderr]   --> src/compiler/keyword.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Short,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/compiler/keyword.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Int,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Long`
[INFO] [stderr]   --> src/compiler/keyword.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Long,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Byte`
[INFO] [stderr]   --> src/compiler/keyword.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Byte,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Word`
[INFO] [stderr]   --> src/compiler/keyword.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Word,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UInt`
[INFO] [stderr]   --> src/compiler/keyword.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     UInt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ULong`
[INFO] [stderr]   --> src/compiler/keyword.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ULong,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/compiler/keyword.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Float,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Double`
[INFO] [stderr]   --> src/compiler/keyword.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Double,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/compiler/keyword.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     String
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Declarative`
[INFO] [stderr]   --> src/compiler/keyword.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Declarative(Declarative),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Primitive`
[INFO] [stderr]   --> src/compiler/keyword.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Primitive(Primitive)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `KEYWORD_MAP`
[INFO] [stderr]   --> src/compiler/keyword.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | / static KEYWORD_MAP: Map<&'static str, Keyword> = phf_map! {
[INFO] [stderr] 39 | |     "if" => Keyword::Logical(Logical::If),
[INFO] [stderr] 40 | |     "else" => Keyword::Logical(Logical::Else),
[INFO] [stderr] 41 | |     "match" => Keyword::Logical(Logical::Match),
[INFO] [stderr] ...  |
[INFO] [stderr] 60 | |     "string" => Keyword::Primitive(Primitive::String),
[INFO] [stderr] 61 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBracket`
[INFO] [stderr]  --> src/compiler/operator.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     LeftBracket,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBracket`
[INFO] [stderr]  --> src/compiler/operator.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     RightBracket,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftSquareBracket`
[INFO] [stderr]  --> src/compiler/operator.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     LeftSquareBracket,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightSquareBracket`
[INFO] [stderr]  --> src/compiler/operator.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     RightSquareBracket,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ColonAssignment`
[INFO] [stderr]  --> src/compiler/operator.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ColonAssignment,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Colon`
[INFO] [stderr]  --> src/compiler/operator.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Colon,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ForwardSlash`
[INFO] [stderr]  --> src/compiler/operator.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ForwardSlash,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BackSlash`
[INFO] [stderr]  --> src/compiler/operator.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     BackSlash,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hyphen`
[INFO] [stderr]   --> src/compiler/operator.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Hyphen,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Asterisk`
[INFO] [stderr]   --> src/compiler/operator.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Asterisk,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Period`
[INFO] [stderr]   --> src/compiler/operator.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Period,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fox-lang-rust` (bin "fox-lang-rust" test) generated 34 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fox_lang_rust-12e2ff34f24461e9)
[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] running `Command { std: "docker" "inspect" "20e7d6f6bb19fadba367eea48ed2792967027ba648fba410cdcee6f88f04c62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e7d6f6bb19fadba367eea48ed2792967027ba648fba410cdcee6f88f04c62a", kill_on_drop: false }`
[INFO] [stdout] 20e7d6f6bb19fadba367eea48ed2792967027ba648fba410cdcee6f88f04c62a