[INFO] fetching crate xreflect 0.1.0...
[INFO] checking xreflect-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate xreflect 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate xreflect 0.1.0 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 xreflect 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xreflect 0.1.0
[INFO] tweaked toml for crates.io crate xreflect 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate xreflect 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51975d6b4ac31f2c84533b0079a059b8bfde47830fe756bb102fb978189192a0
[INFO] running `Command { std: "docker" "start" "-a" "51975d6b4ac31f2c84533b0079a059b8bfde47830fe756bb102fb978189192a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51975d6b4ac31f2c84533b0079a059b8bfde47830fe756bb102fb978189192a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51975d6b4ac31f2c84533b0079a059b8bfde47830fe756bb102fb978189192a0", kill_on_drop: false }`
[INFO] [stdout] 51975d6b4ac31f2c84533b0079a059b8bfde47830fe756bb102fb978189192a0
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9bd7a16a240fb6afa32ee96fb5b8945d15f7ac3e7a0610623d58c70c88f8f8
[INFO] running `Command { std: "docker" "start" "-a" "3c9bd7a16a240fb6afa32ee96fb5b8945d15f7ac3e7a0610623d58c70c88f8f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling xreflect-core v0.1.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling xreflect-proc-macro v0.1.0
[INFO] [stderr]     Checking xreflect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestBuilder` is never constructed
[INFO] [stdout]   --> tests/manual_generic_struct.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub(crate) struct TestBuilder<T> {
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestStruct` is never constructed
[INFO] [stdout]  --> tests/basic_derive.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TestStruct {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 3.97s
[INFO] running `Command { std: "docker" "inspect" "3c9bd7a16a240fb6afa32ee96fb5b8945d15f7ac3e7a0610623d58c70c88f8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9bd7a16a240fb6afa32ee96fb5b8945d15f7ac3e7a0610623d58c70c88f8f8", kill_on_drop: false }`
[INFO] [stdout] 3c9bd7a16a240fb6afa32ee96fb5b8945d15f7ac3e7a0610623d58c70c88f8f8