[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] b8cf683c2be6dd9abae9a3c33aac138db9790c06
[INFO] checking nickjbedford/fox-lang-rust against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickjbedford%2Ffox-lang-rust" "/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/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nickjbedford/fox-lang-rust on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nickjbedford/fox-lang-rust 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5727be46b976ea5f17be58b291dcc5460543134bbda523b6f2b665109787a386
[INFO] running `Command { std: "docker" "start" "-a" "5727be46b976ea5f17be58b291dcc5460543134bbda523b6f2b665109787a386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5727be46b976ea5f17be58b291dcc5460543134bbda523b6f2b665109787a386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5727be46b976ea5f17be58b291dcc5460543134bbda523b6f2b665109787a386", kill_on_drop: false }`
[INFO] [stdout] 5727be46b976ea5f17be58b291dcc5460543134bbda523b6f2b665109787a386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c065ddfb00ced3fbf0f5a62fcf0c5c44a4907fa495355beebf62cc2a3b91160c
[INFO] running `Command { std: "docker" "start" "-a" "c065ddfb00ced3fbf0f5a62fcf0c5c44a4907fa495355beebf62cc2a3b91160c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking 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]     Checking phf v0.10.0
[INFO] [stderr]     Checking foxc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]  --> src/compiler/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use token::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use compiler::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::Keyword`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::compiler::Keyword;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]  --> src/compiler/token.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Literal
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenKind` is never used
[INFO] [stdout]   --> src/compiler/token.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum TokenKind {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/compiler/token.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Logic` is never used
[INFO] [stdout]  --> src/compiler/keyword.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Logic {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Declarative` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Declarative {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Modifier` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Modifier {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Primitive` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Primitive {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Keyword` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum Keyword {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KEYWORD_MAP` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | static KEYWORD_MAP: Map<&'static str, Keyword> = phf_map! {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]  --> src/compiler/operator.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Operator
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `OPERATOR_MAP` is never used
[INFO] [stdout]   --> src/compiler/operator.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | static OPERATOR_MAP: Map<&'static str, Operator> = phf_map!
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]  --> src/compiler/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use token::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use compiler::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::Keyword`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::compiler::Keyword;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]  --> src/compiler/token.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Literal
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenKind` is never used
[INFO] [stdout]   --> src/compiler/token.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum TokenKind {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/compiler/token.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Logic` is never used
[INFO] [stdout]  --> src/compiler/keyword.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Logic {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Declarative` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Declarative {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Modifier` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Modifier {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Primitive` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Primitive {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Keyword` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum Keyword {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KEYWORD_MAP` is never used
[INFO] [stdout]   --> src/compiler/keyword.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | static KEYWORD_MAP: Map<&'static str, Keyword> = phf_map! {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]  --> src/compiler/operator.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Operator
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `OPERATOR_MAP` is never used
[INFO] [stdout]   --> src/compiler/operator.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | static OPERATOR_MAP: Map<&'static str, Operator> = phf_map!
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "c065ddfb00ced3fbf0f5a62fcf0c5c44a4907fa495355beebf62cc2a3b91160c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c065ddfb00ced3fbf0f5a62fcf0c5c44a4907fa495355beebf62cc2a3b91160c", kill_on_drop: false }`
[INFO] [stdout] c065ddfb00ced3fbf0f5a62fcf0c5c44a4907fa495355beebf62cc2a3b91160c