[INFO] fetching crate regtest-util 0.1.0...
[INFO] building regtest-util-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate regtest-util 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate regtest-util 0.1.0
[INFO] finished tweaking crates.io crate regtest-util 0.1.0
[INFO] tweaked toml for crates.io crate regtest-util 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regtest-util 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regtest-util 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoincore-rpc v0.18.0
[INFO] [stderr]   Downloaded jsonrpc v0.14.1
[INFO] [stderr]   Downloaded bitcoincore-rpc-json v0.18.0
[INFO] [stderr]   Downloaded ryu v1.0.16
[INFO] [stderr]   Downloaded hex_lit v0.1.1
[INFO] [stderr]   Downloaded bech32 v0.10.0-beta
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded serde v1.0.196
[INFO] [stderr]   Downloaded serde_json v1.0.113
[INFO] [stderr]   Downloaded cc v1.0.85
[INFO] [stderr]   Downloaded bitcoin v0.31.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39b7be114bac483220409f86fedce34dd57d975bb6d63ec28a1359ad86829215
[INFO] running `Command { std: "docker" "start" "-a" "39b7be114bac483220409f86fedce34dd57d975bb6d63ec28a1359ad86829215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b7be114bac483220409f86fedce34dd57d975bb6d63ec28a1359ad86829215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b7be114bac483220409f86fedce34dd57d975bb6d63ec28a1359ad86829215", kill_on_drop: false }`
[INFO] [stdout] 39b7be114bac483220409f86fedce34dd57d975bb6d63ec28a1359ad86829215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c0d872c03db015e7788e0a06278b7862ce35ac172ab08c2bbe6a5f7822fcc74
[INFO] running `Command { std: "docker" "start" "-a" "6c0d872c03db015e7788e0a06278b7862ce35ac172ab08c2bbe6a5f7822fcc74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling hex-conservative v0.1.1
[INFO] [stderr]    Compiling bitcoin v0.31.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling bech32 v0.10.0-beta
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling jsonrpc v0.14.1
[INFO] [stderr]    Compiling secp256k1 v0.28.2
[INFO] [stderr]    Compiling bitcoincore-rpc-json v0.18.0
[INFO] [stderr]    Compiling bitcoincore-rpc v0.18.0
[INFO] [stderr]    Compiling regtest-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.29s
[INFO] running `Command { std: "docker" "inspect" "6c0d872c03db015e7788e0a06278b7862ce35ac172ab08c2bbe6a5f7822fcc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0d872c03db015e7788e0a06278b7862ce35ac172ab08c2bbe6a5f7822fcc74", kill_on_drop: false }`
[INFO] [stdout] 6c0d872c03db015e7788e0a06278b7862ce35ac172ab08c2bbe6a5f7822fcc74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 971330e2d66f36650ca0f60cebc0da2948911219e7834f3f53bd3c8b74e7da7f
[INFO] running `Command { std: "docker" "start" "-a" "971330e2d66f36650ca0f60cebc0da2948911219e7834f3f53bd3c8b74e7da7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regtest-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "971330e2d66f36650ca0f60cebc0da2948911219e7834f3f53bd3c8b74e7da7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971330e2d66f36650ca0f60cebc0da2948911219e7834f3f53bd3c8b74e7da7f", kill_on_drop: false }`
[INFO] [stdout] 971330e2d66f36650ca0f60cebc0da2948911219e7834f3f53bd3c8b74e7da7f