[INFO] fetching crate some_blockchain 0.1.0...
[INFO] testing some_blockchain-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate some_blockchain 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate some_blockchain 0.1.0 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 some_blockchain 0.1.0
[INFO] finished tweaking crates.io crate some_blockchain 0.1.0
[INFO] tweaked toml for crates.io crate some_blockchain 0.1.0 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51826c42dd99bd2ecfd43fedc9446bb7367d4bfd49cad01206b8e5a73c83bb2f
[INFO] running `Command { std: "docker" "start" "-a" "51826c42dd99bd2ecfd43fedc9446bb7367d4bfd49cad01206b8e5a73c83bb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51826c42dd99bd2ecfd43fedc9446bb7367d4bfd49cad01206b8e5a73c83bb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51826c42dd99bd2ecfd43fedc9446bb7367d4bfd49cad01206b8e5a73c83bb2f", kill_on_drop: false }`
[INFO] [stdout] 51826c42dd99bd2ecfd43fedc9446bb7367d4bfd49cad01206b8e5a73c83bb2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6c0d46e34a8124a803e9eaf473c5c88005dc5475ffc1dd73ecea3a9679d978cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c0d46e34a8124a803e9eaf473c5c88005dc5475ffc1dd73ecea3a9679d978cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling some_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "6c0d46e34a8124a803e9eaf473c5c88005dc5475ffc1dd73ecea3a9679d978cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0d46e34a8124a803e9eaf473c5c88005dc5475ffc1dd73ecea3a9679d978cf", kill_on_drop: false }`
[INFO] [stdout] 6c0d46e34a8124a803e9eaf473c5c88005dc5475ffc1dd73ecea3a9679d978cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6b78e55085e2dd66c3aef609d2d92589eb955e25f315aae91e492331c09741f
[INFO] running `Command { std: "docker" "start" "-a" "c6b78e55085e2dd66c3aef609d2d92589eb955e25f315aae91e492331c09741f", kill_on_drop: false }`
[INFO] [stderr]    Compiling some_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "c6b78e55085e2dd66c3aef609d2d92589eb955e25f315aae91e492331c09741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b78e55085e2dd66c3aef609d2d92589eb955e25f315aae91e492331c09741f", kill_on_drop: false }`
[INFO] [stdout] c6b78e55085e2dd66c3aef609d2d92589eb955e25f315aae91e492331c09741f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b8e37cfa3caf7b7f216c5e9373f0e84645f89870bcdd68efac239190c12980e
[INFO] running `Command { std: "docker" "start" "-a" "8b8e37cfa3caf7b7f216c5e9373f0e84645f89870bcdd68efac239190c12980e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/some_blockchain-13e854a673fbd17b)
[INFO] [stdout] [
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 0,
[INFO] [stdout]     "Timestamp": "2021-09-11 09:30:12.093438435 UTC",
[INFO] [stdout]     "Data": [],
[INFO] [stdout]     "Hash": "",
[INFO] [stdout]     "PrevHash": ""
[INFO] [stdout]   },
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 1,
[INFO] [stdout]     "Timestamp": "2021-09-11 09:30:12.093471535 UTC",
[INFO] [stdout]     "Data": [72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 32, 33],
[INFO] [stdout]     "Hash": "0c4c13e7006df22fa15a54adc4499d52b4072aff8cf6b6d7b292e9a10e550388",
[INFO] [stdout]     "PrevHash": ""
[INFO] [stdout]   },
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 2,
[INFO] [stdout]     "Timestamp": "2021-09-11 09:30:12.093725841 UTC",
[INFO] [stdout]     "Data": [71, 111, 111, 100, 98, 121, 101, 32, 33],
[INFO] [stdout]     "Hash": "04ceda48193779a2d2553e820a600d27fc7b92a72dd264cf9289fe725be59d73",
[INFO] [stdout]     "PrevHash": "0c4c13e7006df22fa15a54adc4499d52b4072aff8cf6b6d7b292e9a10e550388"
[INFO] [stdout]   }
[INFO] [stdout] ]
[INFO] [stdout] test test::display ... ok
[INFO] [stdout] test test::hashes ... ok
[INFO] [stdout] test test::validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests some_blockchain
[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" "8b8e37cfa3caf7b7f216c5e9373f0e84645f89870bcdd68efac239190c12980e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8e37cfa3caf7b7f216c5e9373f0e84645f89870bcdd68efac239190c12980e", kill_on_drop: false }`
[INFO] [stdout] 8b8e37cfa3caf7b7f216c5e9373f0e84645f89870bcdd68efac239190c12980e