[INFO] updating cached repository https://github.com/fplust/rlox
[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] aa0b755dd5f7e3416eb3a3ad8cc841622b07a3c7
[INFO] testing fplust/rlox against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffplust%2Frlox" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fplust/rlox on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6cbac38d26f9360f3458a69497bdd2463a94356ed63505100cb10cb1018a342
[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" "f6cbac38d26f9360f3458a69497bdd2463a94356ed63505100cb10cb1018a342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6cbac38d26f9360f3458a69497bdd2463a94356ed63505100cb10cb1018a342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cbac38d26f9360f3458a69497bdd2463a94356ed63505100cb10cb1018a342", kill_on_drop: false }`
[INFO] [stdout] f6cbac38d26f9360f3458a69497bdd2463a94356ed63505100cb10cb1018a342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 4ac856f3e958bae507b7b7bd83b43eddae3e4843a53af4661bf7c37142c7b6c3
[INFO] running `Command { std: "docker" "start" "-a" "4ac856f3e958bae507b7b7bd83b43eddae3e4843a53af4661bf7c37142c7b6c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling gc v0.3.3
[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: 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 dev [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "4ac856f3e958bae507b7b7bd83b43eddae3e4843a53af4661bf7c37142c7b6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac856f3e958bae507b7b7bd83b43eddae3e4843a53af4661bf7c37142c7b6c3", kill_on_drop: false }`
[INFO] [stdout] 4ac856f3e958bae507b7b7bd83b43eddae3e4843a53af4661bf7c37142c7b6c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 92c9761832096b3c7eb1b4c0bbfb3ef2d883249168df0c0f448f9bd1ebc3f090
[INFO] running `Command { std: "docker" "start" "-a" "92c9761832096b3c7eb1b4c0bbfb3ef2d883249168df0c0f448f9bd1ebc3f090", 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 1.62s
[INFO] running `Command { std: "docker" "inspect" "92c9761832096b3c7eb1b4c0bbfb3ef2d883249168df0c0f448f9bd1ebc3f090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c9761832096b3c7eb1b4c0bbfb3ef2d883249168df0c0f448f9bd1ebc3f090", kill_on_drop: false }`
[INFO] [stdout] 92c9761832096b3c7eb1b4c0bbfb3ef2d883249168df0c0f448f9bd1ebc3f090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b005f237f9c53fcebbc4604319a1ba802a3738eaad92206abbcf8b101b4edd93
[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" "b005f237f9c53fcebbc4604319a1ba802a3738eaad92206abbcf8b101b4edd93", 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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gen_ast-2426b5a208cab536
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lox-3471e55ad8e53896
[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] [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" "b005f237f9c53fcebbc4604319a1ba802a3738eaad92206abbcf8b101b4edd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b005f237f9c53fcebbc4604319a1ba802a3738eaad92206abbcf8b101b4edd93", kill_on_drop: false }`
[INFO] [stdout] b005f237f9c53fcebbc4604319a1ba802a3738eaad92206abbcf8b101b4edd93