[INFO] fetching crate simrs 0.2.0...
[INFO] checking simrs-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate simrs 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate simrs 0.2.0 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 simrs 0.2.0
[INFO] finished tweaking crates.io crate simrs 0.2.0
[INFO] tweaked toml for crates.io crate simrs 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate simrs 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0d3c7763ec72202d4a420838d368e097cc2c3537fa63195f37d992a1e78adec
[INFO] running `Command { std: "docker" "start" "-a" "f0d3c7763ec72202d4a420838d368e097cc2c3537fa63195f37d992a1e78adec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d3c7763ec72202d4a420838d368e097cc2c3537fa63195f37d992a1e78adec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d3c7763ec72202d4a420838d368e097cc2c3537fa63195f37d992a1e78adec", kill_on_drop: false }`
[INFO] [stdout] f0d3c7763ec72202d4a420838d368e097cc2c3537fa63195f37d992a1e78adec
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9bb9672b5faa067d42ccfcd60d4fd00cf1f7b9c5f3ea91c3fe345a8e1e51728
[INFO] running `Command { std: "docker" "start" "-a" "e9bb9672b5faa067d42ccfcd60d4fd00cf1f7b9c5f3ea91c3fe345a8e1e51728", kill_on_drop: false }`
[INFO] [stderr]     Checking simrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `time` and `component_idx` are never read
[INFO] [stdout]   --> src/scheduler.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct EventEntryTyped<'e, E: fmt::Debug> {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 82 |     pub time: Duration,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 83 |     pub component_id: ComponentId<E>,
[INFO] [stdout] 84 |     pub component_idx: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventEntryTyped` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "e9bb9672b5faa067d42ccfcd60d4fd00cf1f7b9c5f3ea91c3fe345a8e1e51728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9bb9672b5faa067d42ccfcd60d4fd00cf1f7b9c5f3ea91c3fe345a8e1e51728", kill_on_drop: false }`
[INFO] [stdout] e9bb9672b5faa067d42ccfcd60d4fd00cf1f7b9c5f3ea91c3fe345a8e1e51728