[INFO] cloning repository https://github.com/n8ta/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n8ta/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn8ta%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn8ta%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 994ebf4405f0e43f256b2c4287bb64290eba7927
[INFO] checking n8ta/rlox against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn8ta%2Frlox" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n8ta/rlox on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n8ta/rlox
[INFO] finished tweaking git repo https://github.com/n8ta/rlox
[INFO] tweaked toml for git repo https://github.com/n8ta/rlox written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/n8ta/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ffdb33660923e090cbdb42d4429868ce7e853ec09878ffcbe9bcd76985c15c6
[INFO] running `Command { std: "docker" "start" "-a" "8ffdb33660923e090cbdb42d4429868ce7e853ec09878ffcbe9bcd76985c15c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ffdb33660923e090cbdb42d4429868ce7e853ec09878ffcbe9bcd76985c15c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffdb33660923e090cbdb42d4429868ce7e853ec09878ffcbe9bcd76985c15c6", kill_on_drop: false }`
[INFO] [stdout] 8ffdb33660923e090cbdb42d4429868ce7e853ec09878ffcbe9bcd76985c15c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a83d91db8d6975805366301c8ddc40fe72608b11538dfb65235d2633eb403746
[INFO] running `Command { std: "docker" "start" "-a" "a83d91db8d6975805366301c8ddc40fe72608b11538dfb65235d2633eb403746", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/scanner.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Literal::STRING(x) => match other {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/scanner.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Literal::NUMBER(x) => match other {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/parser.rs:51:39
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn consume(&mut self, typ: Token, message: String) -> Result<TokenInContext, String> {
[INFO] [stdout]    |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/scanner.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Literal::STRING(x) => match other {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/scanner.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Literal::NUMBER(x) => match other {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/parser.rs:51:39
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn consume(&mut self, typ: Token, message: String) -> Result<TokenInContext, String> {
[INFO] [stdout]    |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IDENTIFIER`
[INFO] [stdout]   --> src/scanner.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     IDENTIFIER,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CLASS`
[INFO] [stdout]   --> src/scanner.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     CLASS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `simple`
[INFO] [stdout]    --> src/scanner.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn simple(token: Token) -> TokenInContext {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_scanner`
[INFO] [stdout]    --> src/scanner.rs:321:4
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn test_scanner(src: String) -> Vec<TokenInContext> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `synchronize`
[INFO] [stdout]   --> src/parser.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn synchronize(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `help`
[INFO] [stdout]    --> src/parser.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn help(str: &str) -> ExprTy {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num`
[INFO] [stdout]    --> src/parser.rs:237:4
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn num(fl: f64) -> ExprTy {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `interpret`
[INFO] [stdout]  --> src/interpreter.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn interpret() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IDENTIFIER`
[INFO] [stdout]   --> src/scanner.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     IDENTIFIER,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CLASS`
[INFO] [stdout]   --> src/scanner.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     CLASS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `synchronize`
[INFO] [stdout]   --> src/parser.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn synchronize(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `interpret`
[INFO] [stdout]  --> src/interpreter.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn interpret() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a83d91db8d6975805366301c8ddc40fe72608b11538dfb65235d2633eb403746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83d91db8d6975805366301c8ddc40fe72608b11538dfb65235d2633eb403746", kill_on_drop: false }`
[INFO] [stdout] a83d91db8d6975805366301c8ddc40fe72608b11538dfb65235d2633eb403746