[INFO] cloning repository https://github.com/fplust/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fplust/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffplust%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffplust%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa0b755dd5f7e3416eb3a3ad8cc841622b07a3c7
[INFO] testing fplust/rlox against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffplust%2Frlox" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fplust/rlox on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fplust/rlox
[INFO] finished tweaking git repo https://github.com/fplust/rlox
[INFO] tweaked toml for git repo https://github.com/fplust/rlox written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/fplust/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43a94ddad7c5b07e2eb37208134c764a7643fd1f1495aa1c5bdb5105cb3fb42d
[INFO] running `Command { std: "docker" "start" "-a" "43a94ddad7c5b07e2eb37208134c764a7643fd1f1495aa1c5bdb5105cb3fb42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a94ddad7c5b07e2eb37208134c764a7643fd1f1495aa1c5bdb5105cb3fb42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a94ddad7c5b07e2eb37208134c764a7643fd1f1495aa1c5bdb5105cb3fb42d", kill_on_drop: false }`
[INFO] [stdout] 43a94ddad7c5b07e2eb37208134c764a7643fd1f1495aa1c5bdb5105cb3fb42d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34ec3d944c33aa55e0f08738e93c8cfdeadb51fcaaddd99d5cd4aedb8d0e2432
[INFO] running `Command { std: "docker" "start" "-a" "34ec3d944c33aa55e0f08738e93c8cfdeadb51fcaaddd99d5cd4aedb8d0e2432", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling gc v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling gc_derive v0.3.2
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/gen_ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter`, `Write`
[INFO] [stdout]  --> src/bin/gen_ast.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `synchronize`
[INFO] [stdout]    --> src/parser.rs:423:8
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_enclosing`
[INFO] [stdout]   --> src/environment.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_enclosing(&self) -> Option<Environment> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/interpreter.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/interpreter.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/interpreter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/interpreter.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `STRING` should have a snake case name
[INFO] [stdout]   --> src/object.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn STRING(s: String) -> Self {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `NUMBER` should have a snake case name
[INFO] [stdout]   --> src/object.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn NUMBER(s: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `BOOL` should have a snake case name
[INFO] [stdout]   --> src/object.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn BOOL(s: bool) -> Self {
[INFO] [stdout]    |            ^^^^ help: convert the identifier to snake case: `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `NIL` should have a snake case name
[INFO] [stdout]   --> src/object.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn NIL() -> Self {
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `nil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Function` should have a snake case name
[INFO] [stdout]   --> src/object.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn Function(s: LoxFunction) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Class` should have a snake case name
[INFO] [stdout]   --> src/object.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn Class(s: LoxClass) -> Self {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Instance` should have a snake case name
[INFO] [stdout]   --> src/object.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn Instance(s: LoxInstance) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `instance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "34ec3d944c33aa55e0f08738e93c8cfdeadb51fcaaddd99d5cd4aedb8d0e2432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ec3d944c33aa55e0f08738e93c8cfdeadb51fcaaddd99d5cd4aedb8d0e2432", kill_on_drop: false }`
[INFO] [stdout] 34ec3d944c33aa55e0f08738e93c8cfdeadb51fcaaddd99d5cd4aedb8d0e2432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 551f012a8338b3643abeffb3aede5098fe8b1add3aac30747e672252da79cdee
[INFO] running `Command { std: "docker" "start" "-a" "551f012a8338b3643abeffb3aede5098fe8b1add3aac30747e672252da79cdee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/gen_ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter`, `Write`
[INFO] [stdout]  --> src/bin/gen_ast.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `synchronize`
[INFO] [stdout]    --> src/parser.rs:423:8
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_enclosing`
[INFO] [stdout]   --> src/environment.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_enclosing(&self) -> Option<Environment> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/interpreter.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/interpreter.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/interpreter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/interpreter.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `STRING` should have a snake case name
[INFO] [stdout]   --> src/object.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn STRING(s: String) -> Self {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `NUMBER` should have a snake case name
[INFO] [stdout]   --> src/object.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn NUMBER(s: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `BOOL` should have a snake case name
[INFO] [stdout]   --> src/object.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn BOOL(s: bool) -> Self {
[INFO] [stdout]    |            ^^^^ help: convert the identifier to snake case: `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `NIL` should have a snake case name
[INFO] [stdout]   --> src/object.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn NIL() -> Self {
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `nil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Function` should have a snake case name
[INFO] [stdout]   --> src/object.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn Function(s: LoxFunction) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Class` should have a snake case name
[INFO] [stdout]   --> src/object.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn Class(s: LoxClass) -> Self {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Instance` should have a snake case name
[INFO] [stdout]   --> src/object.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn Instance(s: LoxInstance) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `instance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.90s
[INFO] [stderr]   Executable unittests src/bin/gen_ast.rs (/opt/rustwide/target/debug/deps/gen_ast-483deb2ce1ae8d55)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/lox-43ca9f5aff9f8bfa)
[INFO] running `Command { std: "docker" "inspect" "551f012a8338b3643abeffb3aede5098fe8b1add3aac30747e672252da79cdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551f012a8338b3643abeffb3aede5098fe8b1add3aac30747e672252da79cdee", kill_on_drop: false }`
[INFO] [stdout] 551f012a8338b3643abeffb3aede5098fe8b1add3aac30747e672252da79cdee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5127050bcf49605e989a95f4832a6da018c38c635775c08ff703aa93e138a2d8
[INFO] running `Command { std: "docker" "start" "-a" "5127050bcf49605e989a95f4832a6da018c38c635775c08ff703aa93e138a2d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `synchronize`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/parser.rs:423:8
[INFO] [stderr]     |
[INFO] [stderr] 423 |     fn synchronize(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_enclosing`
[INFO] [stderr]   --> src/environment.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn get_enclosing(&self) -> Option<Environment> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/interpreter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/interpreter.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stderr]   --> src/interpreter.rs:17:5
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 17 |     message: String,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/interpreter.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method `STRING` should have a snake case name
[INFO] [stderr]   --> src/object.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn STRING(s: String) -> Self {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to snake case: `string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `NUMBER` should have a snake case name
[INFO] [stderr]   --> src/object.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn NUMBER(s: f64) -> Self {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to snake case: `number`
[INFO] [stderr] 
[INFO] [stderr] warning: method `BOOL` should have a snake case name
[INFO] [stderr]   --> src/object.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn BOOL(s: bool) -> Self {
[INFO] [stderr]    |            ^^^^ help: convert the identifier to snake case: `bool`
[INFO] [stderr] 
[INFO] [stderr] warning: method `NIL` should have a snake case name
[INFO] [stderr]   --> src/object.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn NIL() -> Self {
[INFO] [stderr]    |            ^^^ help: convert the identifier to snake case: `nil`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Function` should have a snake case name
[INFO] [stderr]   --> src/object.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn Function(s: LoxFunction) -> Self {
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `function`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Class` should have a snake case name
[INFO] [stderr]   --> src/object.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn Class(s: LoxClass) -> Self {
[INFO] [stderr]    |            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `class`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Instance` should have a snake case name
[INFO] [stderr]   --> src/object.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn Instance(s: LoxInstance) -> Self {
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `instance`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/bin/gen_ast.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufWriter`, `Write`
[INFO] [stderr]  --> src/bin/gen_ast.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lox` (bin "lox" test) generated 11 warnings
[INFO] [stderr] warning: `lox` (bin "gen_ast" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stderr]      Running unittests src/bin/gen_ast.rs (/opt/rustwide/target/debug/deps/gen_ast-483deb2ce1ae8d55)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lox-43ca9f5aff9f8bfa)
[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" "5127050bcf49605e989a95f4832a6da018c38c635775c08ff703aa93e138a2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5127050bcf49605e989a95f4832a6da018c38c635775c08ff703aa93e138a2d8", kill_on_drop: false }`
[INFO] [stdout] 5127050bcf49605e989a95f4832a6da018c38c635775c08ff703aa93e138a2d8