[INFO] fetching crate nakamoto-test 0.2.0...
[INFO] testing nakamoto-test-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nakamoto-test 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nakamoto-test 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nakamoto-test 0.2.0
[INFO] finished tweaking crates.io crate nakamoto-test 0.2.0
[INFO] tweaked toml for crates.io crate nakamoto-test 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 044d0d871f1fc655bb033dbdaacef5c1e9d8b15d252947b70bbd4dd62b6dd1f0
[INFO] running `Command { std: "docker" "start" "-a" "044d0d871f1fc655bb033dbdaacef5c1e9d8b15d252947b70bbd4dd62b6dd1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044d0d871f1fc655bb033dbdaacef5c1e9d8b15d252947b70bbd4dd62b6dd1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044d0d871f1fc655bb033dbdaacef5c1e9d8b15d252947b70bbd4dd62b6dd1f0", kill_on_drop: false }`
[INFO] [stdout] 044d0d871f1fc655bb033dbdaacef5c1e9d8b15d252947b70bbd4dd62b6dd1f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7d2171e4601dbff89a28d3088689b58095f45f5f523354d86a7b2f114f70c82
[INFO] running `Command { std: "docker" "start" "-a" "c7d2171e4601dbff89a28d3088689b58095f45f5f523354d86a7b2f114f70c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling bech32 v0.7.3
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.7
[INFO] [stderr]    Compiling nonempty v0.5.0
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling microserde-derive v0.1.13
[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling microserde v0.1.13
[INFO] [stderr]    Compiling bitcoin v0.25.2
[INFO] [stderr]    Compiling nakamoto-common v0.2.0
[INFO] [stderr]    Compiling nakamoto-test v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.02s
[INFO] running `Command { std: "docker" "inspect" "c7d2171e4601dbff89a28d3088689b58095f45f5f523354d86a7b2f114f70c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d2171e4601dbff89a28d3088689b58095f45f5f523354d86a7b2f114f70c82", kill_on_drop: false }`
[INFO] [stdout] c7d2171e4601dbff89a28d3088689b58095f45f5f523354d86a7b2f114f70c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50688dc3367ed2660786c093df3552a955a0884c6cc2fe160da845457f221321
[INFO] running `Command { std: "docker" "start" "-a" "50688dc3367ed2660786c093df3552a955a0884c6cc2fe160da845457f221321", kill_on_drop: false }`
[INFO] [stderr]    Compiling nakamoto-test v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "50688dc3367ed2660786c093df3552a955a0884c6cc2fe160da845457f221321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50688dc3367ed2660786c093df3552a955a0884c6cc2fe160da845457f221321", kill_on_drop: false }`
[INFO] [stdout] 50688dc3367ed2660786c093df3552a955a0884c6cc2fe160da845457f221321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dc8914d4b2c4fc172b84406fcfa24efb908f5f86b1c2d0285cba52f86b0fc23
[INFO] running `Command { std: "docker" "start" "-a" "0dc8914d4b2c4fc172b84406fcfa24efb908f5f86b1c2d0285cba52f86b0fc23", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nakamoto_test-74e31e493ade3a8b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nakamoto-test
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0dc8914d4b2c4fc172b84406fcfa24efb908f5f86b1c2d0285cba52f86b0fc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc8914d4b2c4fc172b84406fcfa24efb908f5f86b1c2d0285cba52f86b0fc23", kill_on_drop: false }`
[INFO] [stdout] 0dc8914d4b2c4fc172b84406fcfa24efb908f5f86b1c2d0285cba52f86b0fc23