[INFO] fetching crate tracing-rc 0.1.3...
[INFO] checking tracing-rc-0.1.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate tracing-rc 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tracing-rc 0.1.3 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 tracing-rc 0.1.3
[INFO] finished tweaking crates.io crate tracing-rc 0.1.3
[INFO] tweaked toml for crates.io crate tracing-rc 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracing-rc 0.1.3 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d6273f10a3b1967fe22ee207c7e36a505636c361137c2e968e595a41f8e10995
[INFO] running `Command { std: "docker" "start" "-a" "d6273f10a3b1967fe22ee207c7e36a505636c361137c2e968e595a41f8e10995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6273f10a3b1967fe22ee207c7e36a505636c361137c2e968e595a41f8e10995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6273f10a3b1967fe22ee207c7e36a505636c361137c2e968e595a41f8e10995", kill_on_drop: false }`
[INFO] [stdout] d6273f10a3b1967fe22ee207c7e36a505636c361137c2e968e595a41f8e10995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 606309fcf0d5cfe9ac764aeb7c31d68dfeab68a7271bcb4cc6956f85043be49d
[INFO] running `Command { std: "docker" "start" "-a" "606309fcf0d5cfe9ac764aeb7c31d68dfeab68a7271bcb4cc6956f85043be49d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tracing-rc-derive v0.1.1
[INFO] [stderr]     Checking tracing-rc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "606309fcf0d5cfe9ac764aeb7c31d68dfeab68a7271bcb4cc6956f85043be49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606309fcf0d5cfe9ac764aeb7c31d68dfeab68a7271bcb4cc6956f85043be49d", kill_on_drop: false }`
[INFO] [stdout] 606309fcf0d5cfe9ac764aeb7c31d68dfeab68a7271bcb4cc6956f85043be49d