[INFO] fetching crate barsh 0.0.0...
[INFO] checking barsh-0.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate barsh 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate barsh 0.0.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barsh 0.0.0
[INFO] finished tweaking crates.io crate barsh 0.0.0
[INFO] tweaked toml for crates.io crate barsh 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate barsh 0.0.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca3a4023ac3ce4cf227b688ffde6761fd946d84e60f1297fd16871f085f11246
[INFO] running `Command { std: "docker" "start" "-a" "ca3a4023ac3ce4cf227b688ffde6761fd946d84e60f1297fd16871f085f11246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca3a4023ac3ce4cf227b688ffde6761fd946d84e60f1297fd16871f085f11246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3a4023ac3ce4cf227b688ffde6761fd946d84e60f1297fd16871f085f11246", kill_on_drop: false }`
[INFO] [stdout] ca3a4023ac3ce4cf227b688ffde6761fd946d84e60f1297fd16871f085f11246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b815ca24c4ab663ff04c8851909b8216616b0c272ab44bfff0063994e280cf9
[INFO] running `Command { std: "docker" "start" "-a" "1b815ca24c4ab663ff04c8851909b8216616b0c272ab44bfff0063994e280cf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking barsh v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking console v0.15.5
[INFO] [stderr]     Checking insta v1.28.0
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/runtime/eval.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         evaluator.eval_udf(0, &locals); // compute initial value of global vars
[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] 172 |         let _ = evaluator.eval_udf(0, &locals); // compute initial value of global vars
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/runtime/eval.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         evaluator.eval();
[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] 178 |         let _ = evaluator.eval();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/runtime/eval.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         evaluator.eval_udf(2, &args);
[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] 186 |         let _ = evaluator.eval_udf(2, &args);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "1b815ca24c4ab663ff04c8851909b8216616b0c272ab44bfff0063994e280cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b815ca24c4ab663ff04c8851909b8216616b0c272ab44bfff0063994e280cf9", kill_on_drop: false }`
[INFO] [stdout] 1b815ca24c4ab663ff04c8851909b8216616b0c272ab44bfff0063994e280cf9