[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffplust%2Frlox" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fplust/rlox on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02c821d4c7be091aaffcb67cb4f5ac41d867653dfcbea0eaaf91f45ea12ffcb8
[INFO] running `Command { std: "docker" "start" "-a" "02c821d4c7be091aaffcb67cb4f5ac41d867653dfcbea0eaaf91f45ea12ffcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02c821d4c7be091aaffcb67cb4f5ac41d867653dfcbea0eaaf91f45ea12ffcb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c821d4c7be091aaffcb67cb4f5ac41d867653dfcbea0eaaf91f45ea12ffcb8", kill_on_drop: false }`
[INFO] [stdout] 02c821d4c7be091aaffcb67cb4f5ac41d867653dfcbea0eaaf91f45ea12ffcb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 767a7afa62716a98742d8177b4afd25813639e1d3a183c98e8a201924ef129ca
[INFO] running `Command { std: "docker" "start" "-a" "767a7afa62716a98742d8177b4afd25813639e1d3a183c98e8a201924ef129ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling gc v0.3.3
[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: 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `Command { std: "docker" "inspect" "767a7afa62716a98742d8177b4afd25813639e1d3a183c98e8a201924ef129ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767a7afa62716a98742d8177b4afd25813639e1d3a183c98e8a201924ef129ca", kill_on_drop: false }`
[INFO] [stdout] 767a7afa62716a98742d8177b4afd25813639e1d3a183c98e8a201924ef129ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a383f44812f364d8c4219b4ac98681ad9c2d6f975869e0fef0ecd7913a72d30
[INFO] running `Command { std: "docker" "start" "-a" "1a383f44812f364d8c4219b4ac98681ad9c2d6f975869e0fef0ecd7913a72d30", kill_on_drop: false }`
[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: 2 warnings emitted
[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: 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "1a383f44812f364d8c4219b4ac98681ad9c2d6f975869e0fef0ecd7913a72d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a383f44812f364d8c4219b4ac98681ad9c2d6f975869e0fef0ecd7913a72d30", kill_on_drop: false }`
[INFO] [stdout] 1a383f44812f364d8c4219b4ac98681ad9c2d6f975869e0fef0ecd7913a72d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99b6a84b72467cc65cc41cdbf15ea610cbe8c9ce2eabcb60ec17c1442496277e
[INFO] running `Command { std: "docker" "start" "-a" "99b6a84b72467cc65cc41cdbf15ea610cbe8c9ce2eabcb60ec17c1442496277e", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `synchronize`
[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: 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: 9 warnings emitted
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gen_ast-9d4280ffe08863d7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox-39e99f413451fd40)
[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] [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" "99b6a84b72467cc65cc41cdbf15ea610cbe8c9ce2eabcb60ec17c1442496277e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b6a84b72467cc65cc41cdbf15ea610cbe8c9ce2eabcb60ec17c1442496277e", kill_on_drop: false }`
[INFO] [stdout] 99b6a84b72467cc65cc41cdbf15ea610cbe8c9ce2eabcb60ec17c1442496277e