[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-1.38-1/sources/1.37.0/gh/sisou/nimiq-rust-miner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sisou/nimiq-rust-miner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sisou/nimiq-rust-miner" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sisou/nimiq-rust-miner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sisou/nimiq-rust-miner on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sisou/nimiq-rust-miner against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cb1e3539d198f7b9e59a00f2d196b8fd83d443d67bdfb5d66926c71b6c64c064
[INFO] running `"docker" "start" "-a" "cb1e3539d198f7b9e59a00f2d196b8fd83d443d67bdfb5d66926c71b6c64c064"`
[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 flame v0.2.2
[INFO] [stderr]    Compiling rust-argon2 v0.3.0
[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 6.68s
[INFO] running `"docker" "inspect" "cb1e3539d198f7b9e59a00f2d196b8fd83d443d67bdfb5d66926c71b6c64c064"`
[INFO] running `"docker" "rm" "-f" "cb1e3539d198f7b9e59a00f2d196b8fd83d443d67bdfb5d66926c71b6c64c064"`
[INFO] [stdout] cb1e3539d198f7b9e59a00f2d196b8fd83d443d67bdfb5d66926c71b6c64c064
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] adfdab8d73ddf506e6e5c488fde3e4604314758f682eccaef025166aa5db5fe4
[INFO] running `"docker" "start" "-a" "adfdab8d73ddf506e6e5c488fde3e4604314758f682eccaef025166aa5db5fe4"`
[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 0.77s
[INFO] running `"docker" "inspect" "adfdab8d73ddf506e6e5c488fde3e4604314758f682eccaef025166aa5db5fe4"`
[INFO] running `"docker" "rm" "-f" "adfdab8d73ddf506e6e5c488fde3e4604314758f682eccaef025166aa5db5fe4"`
[INFO] [stdout] adfdab8d73ddf506e6e5c488fde3e4604314758f682eccaef025166aa5db5fe4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 84aeda2cdf6feb470b6c4bec6e8f01054121f1460b2f5112d58f6db09b678841
[INFO] running `"docker" "start" "-a" "84aeda2cdf6feb470b6c4bec6e8f01054121f1460b2f5112d58f6db09b678841"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_miner-7483364c70ca43d6
[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" "84aeda2cdf6feb470b6c4bec6e8f01054121f1460b2f5112d58f6db09b678841"`
[INFO] running `"docker" "rm" "-f" "84aeda2cdf6feb470b6c4bec6e8f01054121f1460b2f5112d58f6db09b678841"`
[INFO] [stdout] 84aeda2cdf6feb470b6c4bec6e8f01054121f1460b2f5112d58f6db09b678841