[INFO] cloning repository https://github.com/bui-duc-huy/basic_blockchain_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bui-duc-huy/basic_blockchain_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbui-duc-huy%2Fbasic_blockchain_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbui-duc-huy%2Fbasic_blockchain_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f71bfdc2fc473435b6f2f04f237b7cd59d29b49
[INFO] testing bui-duc-huy/basic_blockchain_in_rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbui-duc-huy%2Fbasic_blockchain_in_rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bui-duc-huy/basic_blockchain_in_rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bui-duc-huy/basic_blockchain_in_rust
[INFO] finished tweaking git repo https://github.com/bui-duc-huy/basic_blockchain_in_rust
[INFO] tweaked toml for git repo https://github.com/bui-duc-huy/basic_blockchain_in_rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bui-duc-huy/basic_blockchain_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keccak-hash v0.7.0
[INFO] [stderr]   Downloaded parity-secp256k1 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ac4fc0b86f09ff09b451804938ac3e9883f816d91a773de267f40138b66f643
[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" "6ac4fc0b86f09ff09b451804938ac3e9883f816d91a773de267f40138b66f643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ac4fc0b86f09ff09b451804938ac3e9883f816d91a773de267f40138b66f643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac4fc0b86f09ff09b451804938ac3e9883f816d91a773de267f40138b66f643", kill_on_drop: false }`
[INFO] [stdout] 6ac4fc0b86f09ff09b451804938ac3e9883f816d91a773de267f40138b66f643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b2d0b0ac27535374829eafb5f612707baee57610710d8285c7dbce9a9c35c77
[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" "5b2d0b0ac27535374829eafb5f612707baee57610710d8285c7dbce9a9c35c77", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling parity-secp256k1 v0.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rlp v0.5.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling impl-rlp v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]    Compiling ethbloom v0.11.1
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling primitive-types v0.9.1
[INFO] [stderr]    Compiling ethereum-types v0.11.0
[INFO] [stderr]    Compiling keccak-hash v0.7.0
[INFO] [stderr]    Compiling core v0.0.1 (/opt/rustwide/workdir/crates/core)
[INFO] [stderr]    Compiling basic_blockchain_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Block`
[INFO] [stdout]  --> src/blockchain/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     block::{ BlockHeader, Block }
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "5b2d0b0ac27535374829eafb5f612707baee57610710d8285c7dbce9a9c35c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2d0b0ac27535374829eafb5f612707baee57610710d8285c7dbce9a9c35c77", kill_on_drop: false }`
[INFO] [stdout] 5b2d0b0ac27535374829eafb5f612707baee57610710d8285c7dbce9a9c35c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b17f96ace1869b3bf86e8826e2b1adf74d8d9a78e6d1ba3d70ff2e1789c37b
[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" "d3b17f96ace1869b3bf86e8826e2b1adf74d8d9a78e6d1ba3d70ff2e1789c37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_blockchain_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Block`
[INFO] [stdout]  --> src/blockchain/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     block::{ BlockHeader, Block }
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "d3b17f96ace1869b3bf86e8826e2b1adf74d8d9a78e6d1ba3d70ff2e1789c37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b17f96ace1869b3bf86e8826e2b1adf74d8d9a78e6d1ba3d70ff2e1789c37b", kill_on_drop: false }`
[INFO] [stdout] d3b17f96ace1869b3bf86e8826e2b1adf74d8d9a78e6d1ba3d70ff2e1789c37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ce7e76cf4700b3169db5ace34c93c03e6da024cee3f862a49cb7f8124898e74
[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" "9ce7e76cf4700b3169db5ace34c93c03e6da024cee3f862a49cb7f8124898e74", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Block`
[INFO] [stderr]  --> src/blockchain/main.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 |     block::{ BlockHeader, Block }
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `basic_blockchain_in_rust` (bin "blockchain" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_blockchain_in_rust-9ff1e6d538bee4fc)
[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]      Running unittests (/opt/rustwide/target/debug/deps/blockchain-214a0b6a88f04e63)
[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 basic_blockchain_in_rust
[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" "9ce7e76cf4700b3169db5ace34c93c03e6da024cee3f862a49cb7f8124898e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce7e76cf4700b3169db5ace34c93c03e6da024cee3f862a49cb7f8124898e74", kill_on_drop: false }`
[INFO] [stdout] 9ce7e76cf4700b3169db5ace34c93c03e6da024cee3f862a49cb7f8124898e74