[INFO] fetching crate sp-phragmen-compact 2.0.0-rc2...
[INFO] checking sp-phragmen-compact-2.0.0-rc2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate sp-phragmen-compact 2.0.0-rc2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate sp-phragmen-compact 2.0.0-rc2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-phragmen-compact 2.0.0-rc2
[INFO] finished tweaking crates.io crate sp-phragmen-compact 2.0.0-rc2
[INFO] tweaked toml for crates.io crate sp-phragmen-compact 2.0.0-rc2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-crate v0.1.5 (available: v3.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3156d5d35a1e4a8885105e9185b49ff3b19c95c1594490f5cfbf627fca977a7
[INFO] running `Command { std: "docker" "start" "-a" "e3156d5d35a1e4a8885105e9185b49ff3b19c95c1594490f5cfbf627fca977a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3156d5d35a1e4a8885105e9185b49ff3b19c95c1594490f5cfbf627fca977a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3156d5d35a1e4a8885105e9185b49ff3b19c95c1594490f5cfbf627fca977a7", kill_on_drop: false }`
[INFO] [stdout] e3156d5d35a1e4a8885105e9185b49ff3b19c95c1594490f5cfbf627fca977a7
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdbb39ac6615f87a074fd43975231da64c82819963ba4d16a6ed72f78d7ca6cf
[INFO] running `Command { std: "docker" "start" "-a" "bdbb39ac6615f87a074fd43975231da64c82819963ba4d16a6ed72f78d7ca6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking sp-phragmen-compact v2.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "bdbb39ac6615f87a074fd43975231da64c82819963ba4d16a6ed72f78d7ca6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbb39ac6615f87a074fd43975231da64c82819963ba4d16a6ed72f78d7ca6cf", kill_on_drop: false }`
[INFO] [stdout] bdbb39ac6615f87a074fd43975231da64c82819963ba4d16a6ed72f78d7ca6cf