[INFO] updating cached repository sisou/nimiq-rust-miner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sisou/nimiq-rust-miner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sisou/nimiq-rust-miner" "work/ex/beta-1.37-6/sources/1.36.0/gh/sisou/nimiq-rust-miner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sisou/nimiq-rust-miner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sisou/nimiq-rust-miner" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sisou/nimiq-rust-miner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sisou/nimiq-rust-miner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa091a492dc0ff43b4e7a8624ae2644487bb3ede
[INFO] sha for GitHub repo sisou/nimiq-rust-miner: aa091a492dc0ff43b4e7a8624ae2644487bb3ede
[INFO] validating manifest of sisou/nimiq-rust-miner on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sisou/nimiq-rust-miner on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sisou/nimiq-rust-miner
[INFO] finished frobbing sisou/nimiq-rust-miner
[INFO] frobbed toml for sisou/nimiq-rust-miner written to work/ex/beta-1.37-6/sources/1.36.0/gh/sisou/nimiq-rust-miner/Cargo.toml
[INFO] started frobbing sisou/nimiq-rust-miner
[INFO] finished frobbing sisou/nimiq-rust-miner
[INFO] frobbed toml for sisou/nimiq-rust-miner written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sisou/nimiq-rust-miner/Cargo.toml
[INFO] crate sisou/nimiq-rust-miner already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sisou/nimiq-rust-miner against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sisou/nimiq-rust-miner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ec9433cdcbe7d9ed4fb7d315a6e2f37296c7c1ddd89a9f41e28a389125e03062
[INFO] running `"docker" "start" "-a" "ec9433cdcbe7d9ed4fb7d315a6e2f37296c7c1ddd89a9f41e28a389125e03062"`
[INFO] [stderr]    Compiling serde v1.0.35
[INFO] [stderr]    Compiling u256 v0.1.0
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rust-argon2 v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling rust_miner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `argon2` is imported redundantly
[INFO] [stderr]   --> src/main.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate argon2;
[INFO] [stderr]    | -------------------- the item `argon2` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 37 |     use argon2::{self, Config, ThreadMode, Variant, Version};
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.82s
[INFO] running `"docker" "inspect" "ec9433cdcbe7d9ed4fb7d315a6e2f37296c7c1ddd89a9f41e28a389125e03062"`
[INFO] running `"docker" "rm" "-f" "ec9433cdcbe7d9ed4fb7d315a6e2f37296c7c1ddd89a9f41e28a389125e03062"`
[INFO] [stdout] ec9433cdcbe7d9ed4fb7d315a6e2f37296c7c1ddd89a9f41e28a389125e03062
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sisou/nimiq-rust-miner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec1f4e53696625c20919952bbd721e1df786be87ad54c207f5085790411f568a
[INFO] running `"docker" "start" "-a" "ec1f4e53696625c20919952bbd721e1df786be87ad54c207f5085790411f568a"`
[INFO] [stderr]    Compiling rust_miner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `argon2` is imported redundantly
[INFO] [stderr]   --> src/main.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate argon2;
[INFO] [stderr]    | -------------------- the item `argon2` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 37 |     use argon2::{self, Config, ThreadMode, Variant, Version};
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "ec1f4e53696625c20919952bbd721e1df786be87ad54c207f5085790411f568a"`
[INFO] running `"docker" "rm" "-f" "ec1f4e53696625c20919952bbd721e1df786be87ad54c207f5085790411f568a"`
[INFO] [stdout] ec1f4e53696625c20919952bbd721e1df786be87ad54c207f5085790411f568a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sisou/nimiq-rust-miner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e44423c62183e2fda1bcf67570031f14faa7862df68c023efe74db8e193a61fd
[INFO] running `"docker" "start" "-a" "e44423c62183e2fda1bcf67570031f14faa7862df68c023efe74db8e193a61fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_miner-57913b4577108cb0
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e44423c62183e2fda1bcf67570031f14faa7862df68c023efe74db8e193a61fd"`
[INFO] running `"docker" "rm" "-f" "e44423c62183e2fda1bcf67570031f14faa7862df68c023efe74db8e193a61fd"`
[INFO] [stdout] e44423c62183e2fda1bcf67570031f14faa7862df68c023efe74db8e193a61fd