[INFO] cloning repository https://github.com/Emmanuel-Guerreiro/Rulox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Emmanuel-Guerreiro/Rulox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmanuel-Guerreiro%2FRulox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmanuel-Guerreiro%2FRulox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ab56b1245ce86a68865560ed6cb55b50492624
[INFO] checking Emmanuel-Guerreiro/Rulox/85ab56b1245ce86a68865560ed6cb55b50492624 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%2FEmmanuel-Guerreiro%2FRulox" "/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/Emmanuel-Guerreiro/Rulox 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/Emmanuel-Guerreiro/Rulox
[INFO] finished tweaking git repo https://github.com/Emmanuel-Guerreiro/Rulox
[INFO] tweaked toml for git repo https://github.com/Emmanuel-Guerreiro/Rulox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Emmanuel-Guerreiro/Rulox 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] c51da8d6a4c4f01fd513c345750ce91ca6a2937255643749c69a834537964d24
[INFO] running `Command { std: "docker" "start" "-a" "c51da8d6a4c4f01fd513c345750ce91ca6a2937255643749c69a834537964d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c51da8d6a4c4f01fd513c345750ce91ca6a2937255643749c69a834537964d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51da8d6a4c4f01fd513c345750ce91ca6a2937255643749c69a834537964d24", kill_on_drop: false }`
[INFO] [stdout] c51da8d6a4c4f01fd513c345750ce91ca6a2937255643749c69a834537964d24
[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] 5b4e67f417fc36adf57e15fb279d15d4bf7d8f5b0fcee62f2c8f8c66ccff77f2
[INFO] running `Command { std: "docker" "start" "-a" "5b4e67f417fc36adf57e15fb279d15d4bf7d8f5b0fcee62f2c8f8c66ccff77f2", kill_on_drop: false }`
[INFO] [stderr]     Checking rulox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/interpreter.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |         stmt::{self, Stmt},
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printer::AstPrinter`
[INFO] [stdout]  --> src/lox.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::{parser::Parser, printer::AstPrinter, scanner::Scanner},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/interpreter.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |         stmt::{self, Stmt},
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printer::AstPrinter`
[INFO] [stdout]  --> src/lox.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::{parser::Parser, printer::AstPrinter, scanner::Scanner},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run_prompt` is never used
[INFO] [stdout]   --> src/lox.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Lox {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn run_prompt(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run_prompt` is never used
[INFO] [stdout]   --> src/lox.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Lox {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn run_prompt(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "5b4e67f417fc36adf57e15fb279d15d4bf7d8f5b0fcee62f2c8f8c66ccff77f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4e67f417fc36adf57e15fb279d15d4bf7d8f5b0fcee62f2c8f8c66ccff77f2", kill_on_drop: false }`
[INFO] [stdout] 5b4e67f417fc36adf57e15fb279d15d4bf7d8f5b0fcee62f2c8f8c66ccff77f2