[INFO] updating cached repository https://github.com/fplust/rlox
[INFO] running `"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"`
[INFO] [stderr] From https://github.com/fplust/rlox
[INFO] [stderr]    e9f24bd..aa0b755  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa0b755dd5f7e3416eb3a3ad8cc841622b07a3c7
[INFO] checking fplust/rlox against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffplust%2Frlox" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fplust/rlox on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/fplust/rlox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 34cb0c50110b72b91f332ccf652c6399758ca3d2cc17ff5cd7ebc42faeda16c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "34cb0c50110b72b91f332ccf652c6399758ca3d2cc17ff5cd7ebc42faeda16c8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking gc v0.3.3
[INFO] [stderr]    Compiling gc_derive v0.3.2
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[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: 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: method is never used: `synchronize`
[INFO] [stderr]    --> src/parser.rs:423:5
[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: method is never used: `get_enclosing`
[INFO] [stderr]   --> src/environment.rs:49:5
[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: `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: `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: `instance`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `synchronize`
[INFO] [stderr]    --> src/parser.rs:423:5
[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: method is never used: `get_enclosing`
[INFO] [stderr]   --> src/environment.rs:49:5
[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: `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: `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: `instance`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `"docker" "inspect" "34cb0c50110b72b91f332ccf652c6399758ca3d2cc17ff5cd7ebc42faeda16c8"`
[INFO] running `"docker" "rm" "-f" "34cb0c50110b72b91f332ccf652c6399758ca3d2cc17ff5cd7ebc42faeda16c8"`
[INFO] [stdout] 34cb0c50110b72b91f332ccf652c6399758ca3d2cc17ff5cd7ebc42faeda16c8