[INFO] cloning repository https://github.com/Zaryab-Programmer/blockchain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zaryab-Programmer/blockchain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZaryab-Programmer%2Fblockchain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZaryab-Programmer%2Fblockchain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 078325d302b9cb763c2bdfe1f327a4f0bb0b0ba0
[INFO] testing Zaryab-Programmer/blockchain-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZaryab-Programmer%2Fblockchain-rust" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zaryab-Programmer/blockchain-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zaryab-Programmer/blockchain-rust
[INFO] finished tweaking git repo https://github.com/Zaryab-Programmer/blockchain-rust
[INFO] tweaked toml for git repo https://github.com/Zaryab-Programmer/blockchain-rust written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/Zaryab-Programmer/blockchain-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4561bb2a948e55fe1110890790937859e58569fe5e82f1af2474dbc157a346ae
[INFO] running `Command { std: "docker" "start" "-a" "4561bb2a948e55fe1110890790937859e58569fe5e82f1af2474dbc157a346ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4561bb2a948e55fe1110890790937859e58569fe5e82f1af2474dbc157a346ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4561bb2a948e55fe1110890790937859e58569fe5e82f1af2474dbc157a346ae", kill_on_drop: false }`
[INFO] [stdout] 4561bb2a948e55fe1110890790937859e58569fe5e82f1af2474dbc157a346ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26179f196191b5b2f7e4aed04df403096e7508b730131bd0aab1fadf99a6d47e
[INFO] running `Command { std: "docker" "start" "-a" "26179f196191b5b2f7e4aed04df403096e7508b730131bd0aab1fadf99a6d47e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling blockchain-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `last_hash` is never read
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     last_hash = block.hash.clone();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "26179f196191b5b2f7e4aed04df403096e7508b730131bd0aab1fadf99a6d47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26179f196191b5b2f7e4aed04df403096e7508b730131bd0aab1fadf99a6d47e", kill_on_drop: false }`
[INFO] [stdout] 26179f196191b5b2f7e4aed04df403096e7508b730131bd0aab1fadf99a6d47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c856dda1b2d482d01f86367132019d24b480a24ce12b9dcf606b05a3a61e719
[INFO] running `Command { std: "docker" "start" "-a" "5c856dda1b2d482d01f86367132019d24b480a24ce12b9dcf606b05a3a61e719", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `last_hash` is never read
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     last_hash = block.hash.clone();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/blockchainlib-8db09ac04182e630)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain-8952906582e1a39b)
[INFO] running `Command { std: "docker" "inspect" "5c856dda1b2d482d01f86367132019d24b480a24ce12b9dcf606b05a3a61e719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c856dda1b2d482d01f86367132019d24b480a24ce12b9dcf606b05a3a61e719", kill_on_drop: false }`
[INFO] [stdout] 5c856dda1b2d482d01f86367132019d24b480a24ce12b9dcf606b05a3a61e719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e19c3d73318bbb7fb562d2fbb0252f77132cf0417f1f466930cc05cbbd0d86a7
[INFO] running `Command { std: "docker" "start" "-a" "e19c3d73318bbb7fb562d2fbb0252f77132cf0417f1f466930cc05cbbd0d86a7", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `last_hash` is never read
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     last_hash = block.hash.clone();
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain-rust` (bin "blockchain" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blockchainlib-8db09ac04182e630)
[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 src/main.rs (/opt/rustwide/target/debug/deps/blockchain-8952906582e1a39b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blockchainlib
[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] [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" "e19c3d73318bbb7fb562d2fbb0252f77132cf0417f1f466930cc05cbbd0d86a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19c3d73318bbb7fb562d2fbb0252f77132cf0417f1f466930cc05cbbd0d86a7", kill_on_drop: false }`
[INFO] [stdout] e19c3d73318bbb7fb562d2fbb0252f77132cf0417f1f466930cc05cbbd0d86a7