[INFO] cloning repository https://github.com/thesuhas/Rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thesuhas/Rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthesuhas%2FRlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthesuhas%2FRlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1448331aaa8ec0035e2b2fda34f0b4b90ea54f2c
[INFO] checking thesuhas/Rlox against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthesuhas%2FRlox" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thesuhas/Rlox on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thesuhas/Rlox
[INFO] finished tweaking git repo https://github.com/thesuhas/Rlox
[INFO] tweaked toml for git repo https://github.com/thesuhas/Rlox written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thesuhas/Rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0edb833c5a47062ea669795803dff110e5cbecd00b68db2dd6ff5bfaa83a94c7
[INFO] running `Command { std: "docker" "start" "-a" "0edb833c5a47062ea669795803dff110e5cbecd00b68db2dd6ff5bfaa83a94c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0edb833c5a47062ea669795803dff110e5cbecd00b68db2dd6ff5bfaa83a94c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edb833c5a47062ea669795803dff110e5cbecd00b68db2dd6ff5bfaa83a94c7", kill_on_drop: false }`
[INFO] [stdout] 0edb833c5a47062ea669795803dff110e5cbecd00b68db2dd6ff5bfaa83a94c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1cdeaa5b40504b32ed5240623165daf4d6141a8b05b9d946a466a8c0908ff3
[INFO] running `Command { std: "docker" "start" "-a" "2f1cdeaa5b40504b32ed5240623165daf4d6141a8b05b9d946a466a8c0908ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking Rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ty` is never read
[INFO] [stdout]   --> src/environment.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut ty: Object = Object::Nil;
[INFO] [stdout]    |                     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Rlox` is more private than the item `Scanner::<'_>::new`
[INFO] [stdout]   --> src/scanner.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn new(source: String, rlox: &mut Rlox) -> Scanner {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Scanner::<'_>::new` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Rlox` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Rlox {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parenthesize` is never used
[INFO] [stdout]    --> src/expr.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn parenthesize(name: String, exprs: &[&Expr]) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_expr` is never used
[INFO] [stdout]    --> src/expr.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub fn print_expr(expr: &Expr) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronise` is never used
[INFO] [stdout]    --> src/parser.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 13  | impl Parser<'_> {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 215 |     fn synchronise(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `literal` is never read
[INFO] [stdout]   --> src/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     literal: Object,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "2f1cdeaa5b40504b32ed5240623165daf4d6141a8b05b9d946a466a8c0908ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1cdeaa5b40504b32ed5240623165daf4d6141a8b05b9d946a466a8c0908ff3", kill_on_drop: false }`
[INFO] [stdout] 2f1cdeaa5b40504b32ed5240623165daf4d6141a8b05b9d946a466a8c0908ff3