[INFO] cloning repository https://github.com/julioolvr/rlox3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julioolvr/rlox3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frlox3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frlox3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0e2e1e3ef32031ff306b1868fc3680bce9f5b60
[INFO] checking julioolvr/rlox3 against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frlox3" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julioolvr/rlox3 on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/julioolvr/rlox3
[INFO] finished tweaking git repo https://github.com/julioolvr/rlox3
[INFO] tweaked toml for git repo https://github.com/julioolvr/rlox3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/julioolvr/rlox3 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5abdd360fa835e63b24ff83757b80da45667d3c523b089c6aaf64830d0bfb42
[INFO] running `Command { std: "docker" "start" "-a" "a5abdd360fa835e63b24ff83757b80da45667d3c523b089c6aaf64830d0bfb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5abdd360fa835e63b24ff83757b80da45667d3c523b089c6aaf64830d0bfb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5abdd360fa835e63b24ff83757b80da45667d3c523b089c6aaf64830d0bfb42", kill_on_drop: false }`
[INFO] [stdout] a5abdd360fa835e63b24ff83757b80da45667d3c523b089c6aaf64830d0bfb42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b9337a7381745c46b2a2fc2ccfca57ec2f0ded8908ad4d426f6862d99f41af
[INFO] running `Command { std: "docker" "start" "-a" "49b9337a7381745c46b2a2fc2ccfca57ec2f0ded8908ad4d426f6862d99f41af", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/rlox/token.rs:11:73
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'code> Token<'code> {
[INFO] [stdout]    |      ----- lifetime `'code` declared here
[INFO] [stdout] 11 |     pub fn new(code: &'code str, line: usize, token_type: TokenType) -> Token {
[INFO] [stdout]    |                                                                         ^^^^^ this elided lifetime gets resolved as `'code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/rlox/token.rs:11:73
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'code> Token<'code> {
[INFO] [stdout]    |      ----- lifetime `'code` declared here
[INFO] [stdout] 11 |     pub fn new(code: &'code str, line: usize, token_type: TokenType) -> Token {
[INFO] [stdout]    |                                                                         ^^^^^ this elided lifetime gets resolved as `'code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         self.expression();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let _ = self.expression();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.parse_precedence(Precedence::Unary);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let _ = self.parse_precedence(Precedence::Unary);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         self.parse_precedence(operator_type.precedence().higher());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let _ = self.parse_precedence(operator_type.precedence().higher());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `instructions` is never used
[INFO] [stdout]   --> src/rlox/chunk.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn instructions(&self) -> impl Iterator<Item = &Instruction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         self.expression();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let _ = self.expression();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.parse_precedence(Precedence::Unary);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let _ = self.parse_precedence(Precedence::Unary);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         self.parse_precedence(operator_type.precedence().higher());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let _ = self.parse_precedence(operator_type.precedence().higher());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "49b9337a7381745c46b2a2fc2ccfca57ec2f0ded8908ad4d426f6862d99f41af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b9337a7381745c46b2a2fc2ccfca57ec2f0ded8908ad4d426f6862d99f41af", kill_on_drop: false }`
[INFO] [stdout] 49b9337a7381745c46b2a2fc2ccfca57ec2f0ded8908ad4d426f6862d99f41af