[INFO] fetching crate vrsc-rpc-json 0.1.20...
[INFO] checking vrsc-rpc-json-0.1.20 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate vrsc-rpc-json 0.1.20 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate vrsc-rpc-json 0.1.20 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 vrsc-rpc-json 0.1.20
[INFO] finished tweaking crates.io crate vrsc-rpc-json 0.1.20
[INFO] tweaked toml for crates.io crate vrsc-rpc-json 0.1.20 written to /workspace/builds/worker-7-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 73 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bech32 v0.7.3 (available: v0.11.0)
[INFO] [stderr]       Adding bech32 v0.9.1 (available: v0.11.0)
[INFO] [stderr]       Adding bitcoin v0.26.2 (available: v0.32.2)
[INFO] [stderr]       Adding bitcoin v0.29.2 (available: v0.32.2)
[INFO] [stderr]       Adding bitcoin_hashes v0.9.7 (available: v0.14.0)
[INFO] [stderr]       Adding bitcoin_hashes v0.10.0 (available: v0.14.0)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding secp256k1 v0.19.0 (available: v0.29.1)
[INFO] [stderr]       Adding secp256k1 v0.20.3 (available: v0.29.1)
[INFO] [stderr]       Adding secp256k1 v0.24.3 (available: v0.29.1)
[INFO] [stderr]       Adding secp256k1-sys v0.3.0 (available: v0.10.1)
[INFO] [stderr]       Adding secp256k1-sys v0.4.2 (available: v0.10.1)
[INFO] [stderr]       Adding secp256k1-sys v0.6.1 (available: v0.10.1)
[INFO] [stderr]       Adding serde_with v2.3.3 (available: v3.9.0)
[INFO] [stderr]       Adding serde_with_macros v2.3.3 (available: v3.9.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7144e4ddb9d3bb4d4a7f6562877e579bfcd52a94f3ed0b716cde12612c80c1d6
[INFO] running `Command { std: "docker" "start" "-a" "7144e4ddb9d3bb4d4a7f6562877e579bfcd52a94f3ed0b716cde12612c80c1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7144e4ddb9d3bb4d4a7f6562877e579bfcd52a94f3ed0b716cde12612c80c1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7144e4ddb9d3bb4d4a7f6562877e579bfcd52a94f3ed0b716cde12612c80c1d6", kill_on_drop: false }`
[INFO] [stdout] 7144e4ddb9d3bb4d4a7f6562877e579bfcd52a94f3ed0b716cde12612c80c1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ec4e35cf2fd0ad9a950cdee3323ec777c9bf52fedcf9a4c1ad33fb8597acea1a
[INFO] running `Command { std: "docker" "start" "-a" "ec4e35cf2fd0ad9a950cdee3323ec777c9bf52fedcf9a4c1ad33fb8597acea1a", kill_on_drop: false }`
[INFO] [stderr]     Checking bitcoin_hashes v0.9.7
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking bitcoin_hashes v0.10.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking bitcoin v0.26.2
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking vrsc v0.0.1
[INFO] [stderr]     Checking serde_with v2.3.3
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]     Checking bitcoin v0.29.2
[INFO] [stderr]     Checking vrsc-rpc-json v0.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "ec4e35cf2fd0ad9a950cdee3323ec777c9bf52fedcf9a4c1ad33fb8597acea1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4e35cf2fd0ad9a950cdee3323ec777c9bf52fedcf9a4c1ad33fb8597acea1a", kill_on_drop: false }`
[INFO] [stdout] ec4e35cf2fd0ad9a950cdee3323ec777c9bf52fedcf9a4c1ad33fb8597acea1a