[INFO] fetching crate polymorphic-constant 0.2.0...
[INFO] checking polymorphic-constant-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate polymorphic-constant 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate polymorphic-constant 0.2.0 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 polymorphic-constant 0.2.0
[INFO] finished tweaking crates.io crate polymorphic-constant 0.2.0
[INFO] tweaked toml for crates.io crate polymorphic-constant 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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] df28056c6c6d06389e15b7fe92fc2d41796fa98c5d7fbd8c04ea210bd4303c3a
[INFO] running `Command { std: "docker" "start" "-a" "df28056c6c6d06389e15b7fe92fc2d41796fa98c5d7fbd8c04ea210bd4303c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df28056c6c6d06389e15b7fe92fc2d41796fa98c5d7fbd8c04ea210bd4303c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df28056c6c6d06389e15b7fe92fc2d41796fa98c5d7fbd8c04ea210bd4303c3a", kill_on_drop: false }`
[INFO] [stdout] df28056c6c6d06389e15b7fe92fc2d41796fa98c5d7fbd8c04ea210bd4303c3a
[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] 0f88e0702f268afccc0211b354464f133a271d07469959351b36b9c9d8d3d70d
[INFO] running `Command { std: "docker" "start" "-a" "0f88e0702f268afccc0211b354464f133a271d07469959351b36b9c9d8d3d70d", kill_on_drop: false }`
[INFO] [stderr]     Checking polymorphic-constant v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "0f88e0702f268afccc0211b354464f133a271d07469959351b36b9c9d8d3d70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f88e0702f268afccc0211b354464f133a271d07469959351b36b9c9d8d3d70d", kill_on_drop: false }`
[INFO] [stdout] 0f88e0702f268afccc0211b354464f133a271d07469959351b36b9c9d8d3d70d