[INFO] fetching crate rust_util 0.6.47...
[INFO] checking rust_util-0.6.47 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate rust_util 0.6.47 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rust_util 0.6.47 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 rust_util 0.6.47
[INFO] finished tweaking crates.io crate rust_util 0.6.47
[INFO] tweaked toml for crates.io crate rust_util 0.6.47 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate rust_util 0.6.47 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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be4b7e0f2f5ba8b6dfa1429318d51d735ed0f85d91da556cf1bda0028261414
[INFO] running `Command { std: "docker" "start" "-a" "7be4b7e0f2f5ba8b6dfa1429318d51d735ed0f85d91da556cf1bda0028261414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be4b7e0f2f5ba8b6dfa1429318d51d735ed0f85d91da556cf1bda0028261414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be4b7e0f2f5ba8b6dfa1429318d51d735ed0f85d91da556cf1bda0028261414", kill_on_drop: false }`
[INFO] [stdout] 7be4b7e0f2f5ba8b6dfa1429318d51d735ed0f85d91da556cf1bda0028261414
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f5350469742e43f6890b5a1b5c7cde142189b3ff4c183657727dd0638d9c6f9
[INFO] running `Command { std: "docker" "start" "-a" "8f5350469742e43f6890b5a1b5c7cde142189b3ff4c183657727dd0638d9c6f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rust_util v0.6.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "8f5350469742e43f6890b5a1b5c7cde142189b3ff4c183657727dd0638d9c6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5350469742e43f6890b5a1b5c7cde142189b3ff4c183657727dd0638d9c6f9", kill_on_drop: false }`
[INFO] [stdout] 8f5350469742e43f6890b5a1b5c7cde142189b3ff4c183657727dd0638d9c6f9