[INFO] updating cached repository https://github.com/eklavya/rustylox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15cbcff8a64b13eaf2ad64be99cc0fd4defa34fd
[INFO] testing eklavya/rustylox against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feklavya%2Frustylox" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eklavya/rustylox on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eklavya/rustylox
[INFO] finished tweaking git repo https://github.com/eklavya/rustylox
[INFO] tweaked toml for git repo https://github.com/eklavya/rustylox written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/eklavya/rustylox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8bd7be5b4f64d1855cbde5d4d2011905ffbacf7336a3c88de46645c761cb4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b8bd7be5b4f64d1855cbde5d4d2011905ffbacf7336a3c88de46645c761cb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8bd7be5b4f64d1855cbde5d4d2011905ffbacf7336a3c88de46645c761cb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8bd7be5b4f64d1855cbde5d4d2011905ffbacf7336a3c88de46645c761cb4b", kill_on_drop: false }`
[INFO] [stdout] 4b8bd7be5b4f64d1855cbde5d4d2011905ffbacf7336a3c88de46645c761cb4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff528900c8fbee44c3640e9e4a7cd9bf8ebf24e28634f39dd88d802ed6eacbe0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff528900c8fbee44c3640e9e4a7cd9bf8ebf24e28634f39dd88d802ed6eacbe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]    Compiling num_enum v0.5.0
[INFO] [stderr]    Compiling rustylox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/obj.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/vm.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::obj::{self, ObjString, ObjType, Object};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     _ => false,
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_long`
[INFO] [stdout]   --> src/chunk.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn write_long(&mut self, num: u16, line: i32) -> () {
[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: `free`
[INFO] [stdout]   --> src/chunk.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn free(&mut self) -> () {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `PARSE_RULES_DBG`
[INFO] [stdout]    --> src/compiler.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 | /     const PARSE_RULES_DBG: [&'static str; 44] = [
[INFO] [stdout] 257 | |         "ParseRule {
[INFO] [stdout] 258 | |             prefix: Some(Compiler::grouping),
[INFO] [stdout] 259 | |             infix: None,
[INFO] [stdout] ...   |
[INFO] [stdout] 486 | |             // }, // TOKEN_COLON
[INFO] [stdout] 487 | |     ];
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dealloc`
[INFO] [stdout]   --> src/gc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn dealloc(ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_obj_type`
[INFO] [stdout]   --> src/obj.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn is_obj_type(v: Value, obj_type: ObjType) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show_stack`
[INFO] [stdout]    --> src/vm.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn show_stack(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         reader.read_line(&mut input);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/compiler.rs:641:12
[INFO] [stdout]     |
[INFO] [stdout] 641 |         if constant > 255 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.80s
[INFO] running `Command { std: "docker" "inspect" "ff528900c8fbee44c3640e9e4a7cd9bf8ebf24e28634f39dd88d802ed6eacbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff528900c8fbee44c3640e9e4a7cd9bf8ebf24e28634f39dd88d802ed6eacbe0", kill_on_drop: false }`
[INFO] [stdout] ff528900c8fbee44c3640e9e4a7cd9bf8ebf24e28634f39dd88d802ed6eacbe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8d3f5dc950a77459d0aa6fb05f2d0144c47c98b5b64a6cc94d7d8bbe03cf4e1
[INFO] running `Command { std: "docker" "start" "-a" "e8d3f5dc950a77459d0aa6fb05f2d0144c47c98b5b64a6cc94d7d8bbe03cf4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustylox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/obj.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/vm.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::obj::{self, ObjString, ObjType, Object};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     _ => false,
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_long`
[INFO] [stdout]   --> src/chunk.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn write_long(&mut self, num: u16, line: i32) -> () {
[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: `free`
[INFO] [stdout]   --> src/chunk.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn free(&mut self) -> () {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `PARSE_RULES_DBG`
[INFO] [stdout]    --> src/compiler.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 | /     const PARSE_RULES_DBG: [&'static str; 44] = [
[INFO] [stdout] 257 | |         "ParseRule {
[INFO] [stdout] 258 | |             prefix: Some(Compiler::grouping),
[INFO] [stdout] 259 | |             infix: None,
[INFO] [stdout] ...   |
[INFO] [stdout] 486 | |             // }, // TOKEN_COLON
[INFO] [stdout] 487 | |     ];
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dealloc`
[INFO] [stdout]   --> src/gc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn dealloc(ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_obj_type`
[INFO] [stdout]   --> src/obj.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn is_obj_type(v: Value, obj_type: ObjType) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show_stack`
[INFO] [stdout]    --> src/vm.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn show_stack(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         reader.read_line(&mut input);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/compiler.rs:641:12
[INFO] [stdout]     |
[INFO] [stdout] 641 |         if constant > 255 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e8d3f5dc950a77459d0aa6fb05f2d0144c47c98b5b64a6cc94d7d8bbe03cf4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d3f5dc950a77459d0aa6fb05f2d0144c47c98b5b64a6cc94d7d8bbe03cf4e1", kill_on_drop: false }`
[INFO] [stdout] e8d3f5dc950a77459d0aa6fb05f2d0144c47c98b5b64a6cc94d7d8bbe03cf4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e398634e3f1ee0f9ff319f1295e3728bf46aefcc9f52d90620014023aea99c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e398634e3f1ee0f9ff319f1295e3728bf46aefcc9f52d90620014023aea99c3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/obj.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/vm.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::obj::{self, ObjString, ObjType, Object};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/vm.rs:229:21
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     _ => false,
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_long`
[INFO] [stderr]   --> src/chunk.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write_long(&mut self, num: u16, line: i32) -> () {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `free`
[INFO] [stderr]   --> src/chunk.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn free(&mut self) -> () {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `PARSE_RULES_DBG`
[INFO] [stderr]    --> src/compiler.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 | /     const PARSE_RULES_DBG: [&'static str; 44] = [
[INFO] [stderr] 257 | |         "ParseRule {
[INFO] [stderr] 258 | |             prefix: Some(Compiler::grouping),
[INFO] [stderr] 259 | |             infix: None,
[INFO] [stderr] ...   |
[INFO] [stderr] 486 | |             // }, // TOKEN_COLON
[INFO] [stderr] 487 | |     ];
[INFO] [stderr]     | |______^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dealloc`
[INFO] [stderr]   --> src/gc.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn dealloc(ptr: *mut u8, layout: Layout) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_obj_type`
[INFO] [stderr]   --> src/obj.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn is_obj_type(v: Value, obj_type: ObjType) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `show_stack`
[INFO] [stderr]    --> src/vm.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn show_stack(&self) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         reader.read_line(&mut input);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/compiler.rs:641:12
[INFO] [stderr]     |
[INFO] [stderr] 641 |         if constant > 255 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustylox-a636326bef832f10
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e398634e3f1ee0f9ff319f1295e3728bf46aefcc9f52d90620014023aea99c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e398634e3f1ee0f9ff319f1295e3728bf46aefcc9f52d90620014023aea99c3", kill_on_drop: false }`
[INFO] [stdout] 7e398634e3f1ee0f9ff319f1295e3728bf46aefcc9f52d90620014023aea99c3