[INFO] fetching crate simpleio 0.2.3...
[INFO] checking simpleio-0.2.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate simpleio 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate simpleio 0.2.3 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 simpleio 0.2.3
[INFO] finished tweaking crates.io crate simpleio 0.2.3
[INFO] tweaked toml for crates.io crate simpleio 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate simpleio 0.2.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8230b9a47fb537bcb9ab0131365f73872f04b7c88033f5fac9b0262c0349d813
[INFO] running `Command { std: "docker" "start" "-a" "8230b9a47fb537bcb9ab0131365f73872f04b7c88033f5fac9b0262c0349d813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8230b9a47fb537bcb9ab0131365f73872f04b7c88033f5fac9b0262c0349d813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8230b9a47fb537bcb9ab0131365f73872f04b7c88033f5fac9b0262c0349d813", kill_on_drop: false }`
[INFO] [stdout] 8230b9a47fb537bcb9ab0131365f73872f04b7c88033f5fac9b0262c0349d813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a2c7086a30cff48d4ea270c501245efb2690c556ba6b05a28ddcd167613494de
[INFO] running `Command { std: "docker" "start" "-a" "a2c7086a30cff48d4ea270c501245efb2690c556ba6b05a28ddcd167613494de", kill_on_drop: false }`
[INFO] [stderr]     Checking simpleio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "a2c7086a30cff48d4ea270c501245efb2690c556ba6b05a28ddcd167613494de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c7086a30cff48d4ea270c501245efb2690c556ba6b05a28ddcd167613494de", kill_on_drop: false }`
[INFO] [stdout] a2c7086a30cff48d4ea270c501245efb2690c556ba6b05a28ddcd167613494de