[INFO] fetching crate lucifer-testing 1.0.0...
[INFO] checking lucifer-testing-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate lucifer-testing 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lucifer-testing 1.0.0 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 crates.io crate lucifer-testing 1.0.0
[INFO] finished tweaking crates.io crate lucifer-testing 1.0.0
[INFO] tweaked toml for crates.io crate lucifer-testing 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate lucifer-testing 1.0.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 94122d22fdf64c288501ac7f051550814a7116488160c8f1ff8573e1b377da6e
[INFO] running `Command { std: "docker" "start" "-a" "94122d22fdf64c288501ac7f051550814a7116488160c8f1ff8573e1b377da6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94122d22fdf64c288501ac7f051550814a7116488160c8f1ff8573e1b377da6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94122d22fdf64c288501ac7f051550814a7116488160c8f1ff8573e1b377da6e", kill_on_drop: false }`
[INFO] [stdout] 94122d22fdf64c288501ac7f051550814a7116488160c8f1ff8573e1b377da6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b24dc79c452b7109fa184c13ca05c74538bb79c19fc4930014aab4c35ebf7afa
[INFO] running `Command { std: "docker" "start" "-a" "b24dc79c452b7109fa184c13ca05c74538bb79c19fc4930014aab4c35ebf7afa", kill_on_drop: false }`
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking lucifer-testing v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/suite_getter/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Test {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 66 |     pub args: Vec<String>,
[INFO] [stdout] 67 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_command` is never read
[INFO] [stdout]   --> src/suite_getter/transformer/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Feature {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 54 |     pub name: String,
[INFO] [stdout] 55 |     pub has_command: bool, // TODO: Remove this. It's a workaround because I don't know Rust very well.
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/suite_getter/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Test {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 66 |     pub args: Vec<String>,
[INFO] [stdout] 67 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_command` is never read
[INFO] [stdout]   --> src/suite_getter/transformer/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Feature {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 54 |     pub name: String,
[INFO] [stdout] 55 |     pub has_command: bool, // TODO: Remove this. It's a workaround because I don't know Rust very well.
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "b24dc79c452b7109fa184c13ca05c74538bb79c19fc4930014aab4c35ebf7afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24dc79c452b7109fa184c13ca05c74538bb79c19fc4930014aab4c35ebf7afa", kill_on_drop: false }`
[INFO] [stdout] b24dc79c452b7109fa184c13ca05c74538bb79c19fc4930014aab4c35ebf7afa