[INFO] cloning repository https://github.com/KamxS/Lox-Interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KamxS/Lox-Interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKamxS%2FLox-Interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKamxS%2FLox-Interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb3eabfc3e301353f1524d5fc2851c4096ddf921
[INFO] checking KamxS/Lox-Interpreter/eb3eabfc3e301353f1524d5fc2851c4096ddf921 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKamxS%2FLox-Interpreter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KamxS/Lox-Interpreter on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KamxS/Lox-Interpreter
[INFO] finished tweaking git repo https://github.com/KamxS/Lox-Interpreter
[INFO] tweaked toml for git repo https://github.com/KamxS/Lox-Interpreter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KamxS/Lox-Interpreter 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fbe06ed93084c97eb595c780e0b4435dc66c1bd5bed1fcc5114494bc2b838e8
[INFO] running `Command { std: "docker" "start" "-a" "3fbe06ed93084c97eb595c780e0b4435dc66c1bd5bed1fcc5114494bc2b838e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fbe06ed93084c97eb595c780e0b4435dc66c1bd5bed1fcc5114494bc2b838e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbe06ed93084c97eb595c780e0b4435dc66c1bd5bed1fcc5114494bc2b838e8", kill_on_drop: false }`
[INFO] [stdout] 3fbe06ed93084c97eb595c780e0b4435dc66c1bd5bed1fcc5114494bc2b838e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30c298c223c0a9d70580b6146681d716eb95730a459b63eab55a7145a2a2a12b
[INFO] running `Command { std: "docker" "start" "-a" "30c298c223c0a9d70580b6146681d716eb95730a459b63eab55a7145a2a2a12b", kill_on_drop: false }`
[INFO] [stderr]     Checking Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RuntimeError`
[INFO] [stdout]  --> interpreter/callable.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::interpreter::{Interpreter, ReturnError, RuntimeError, Value};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RuntimeError`
[INFO] [stdout]  --> interpreter/callable.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::interpreter::{Interpreter, ReturnError, RuntimeError, Value};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "30c298c223c0a9d70580b6146681d716eb95730a459b63eab55a7145a2a2a12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c298c223c0a9d70580b6146681d716eb95730a459b63eab55a7145a2a2a12b", kill_on_drop: false }`
[INFO] [stdout] 30c298c223c0a9d70580b6146681d716eb95730a459b63eab55a7145a2a2a12b