[INFO] cloning repository https://github.com/amirrezaask/bitacoin.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amirrezaask/bitacoin.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirrezaask%2Fbitacoin.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirrezaask%2Fbitacoin.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11f72aa30ace14602b5ad149a6b5cf40a94a82c8
[INFO] testing amirrezaask/bitacoin.rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirrezaask%2Fbitacoin.rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amirrezaask/bitacoin.rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amirrezaask/bitacoin.rs
[INFO] finished tweaking git repo https://github.com/amirrezaask/bitacoin.rs
[INFO] tweaked toml for git repo https://github.com/amirrezaask/bitacoin.rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/amirrezaask/bitacoin.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 6d7ee2ef55bcebc10198d715ebae11bf059ce280c0f5f6e9f4ebc21fe10537ba
[INFO] running `Command { std: "docker" "start" "-a" "6d7ee2ef55bcebc10198d715ebae11bf059ce280c0f5f6e9f4ebc21fe10537ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d7ee2ef55bcebc10198d715ebae11bf059ce280c0f5f6e9f4ebc21fe10537ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7ee2ef55bcebc10198d715ebae11bf059ce280c0f5f6e9f4ebc21fe10537ba", kill_on_drop: false }`
[INFO] [stdout] 6d7ee2ef55bcebc10198d715ebae11bf059ce280c0f5f6e9f4ebc21fe10537ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 286ef3ff37c7ec8c66cb1221633274b2c1b690f6f64e04dd24406c41ac3c6568
[INFO] running `Command { std: "docker" "start" "-a" "286ef3ff37c7ec8c66cb1221633274b2c1b690f6f64e04dd24406c41ac3c6568", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling bitacoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/hash.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     for i in 0..dificulty {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 7.59s
[INFO] running `Command { std: "docker" "inspect" "286ef3ff37c7ec8c66cb1221633274b2c1b690f6f64e04dd24406c41ac3c6568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286ef3ff37c7ec8c66cb1221633274b2c1b690f6f64e04dd24406c41ac3c6568", kill_on_drop: false }`
[INFO] [stdout] 286ef3ff37c7ec8c66cb1221633274b2c1b690f6f64e04dd24406c41ac3c6568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d52fc0a1dbc621ea8861ac87975165ada12576d73dd28b2547068fb92e5bdc2
[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" "9d52fc0a1dbc621ea8861ac87975165ada12576d73dd28b2547068fb92e5bdc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitacoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/hash.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     for i in 0..dificulty {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "9d52fc0a1dbc621ea8861ac87975165ada12576d73dd28b2547068fb92e5bdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d52fc0a1dbc621ea8861ac87975165ada12576d73dd28b2547068fb92e5bdc2", kill_on_drop: false }`
[INFO] [stdout] 9d52fc0a1dbc621ea8861ac87975165ada12576d73dd28b2547068fb92e5bdc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe500678d5fbe76c3edc99dd7e4a4a23b45144f94012c066bc7fc5bff5c85ec2
[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" "fe500678d5fbe76c3edc99dd7e4a4a23b45144f94012c066bc7fc5bff5c85ec2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/hash.rs:10:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |     for i in 0..dificulty {
[INFO] [stdout] 
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bitacoin` (bin "bitacoin" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitacoin-bff1efd881994fcd)
[INFO] running `Command { std: "docker" "inspect" "fe500678d5fbe76c3edc99dd7e4a4a23b45144f94012c066bc7fc5bff5c85ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe500678d5fbe76c3edc99dd7e4a4a23b45144f94012c066bc7fc5bff5c85ec2", kill_on_drop: false }`
[INFO] [stdout] fe500678d5fbe76c3edc99dd7e4a4a23b45144f94012c066bc7fc5bff5c85ec2