[INFO] updating cached repository poanetwork/poa-ballot-stats
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/poanetwork/poa-ballot-stats
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/poanetwork/poa-ballot-stats" "work/ex/beta-1.38-1/sources/1.37.0/gh/poanetwork/poa-ballot-stats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/poanetwork/poa-ballot-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/poanetwork/poa-ballot-stats" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/poanetwork/poa-ballot-stats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/poanetwork/poa-ballot-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 527d4070637fcfc850afe25478f0afa1e5910255
[INFO] sha for GitHub repo poanetwork/poa-ballot-stats: 527d4070637fcfc850afe25478f0afa1e5910255
[INFO] validating manifest of poanetwork/poa-ballot-stats 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 poanetwork/poa-ballot-stats 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 poanetwork/poa-ballot-stats
[INFO] finished frobbing poanetwork/poa-ballot-stats
[INFO] frobbed toml for poanetwork/poa-ballot-stats written to work/ex/beta-1.38-1/sources/1.37.0/gh/poanetwork/poa-ballot-stats/Cargo.toml
[INFO] started frobbing poanetwork/poa-ballot-stats
[INFO] finished frobbing poanetwork/poa-ballot-stats
[INFO] frobbed toml for poanetwork/poa-ballot-stats written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/poanetwork/poa-ballot-stats/Cargo.toml
[INFO] crate poanetwork/poa-ballot-stats 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing poanetwork/poa-ballot-stats 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-1/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/poanetwork/poa-ballot-stats:/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] 555afe0d5171c63db4eac123a0a923418caf860860782a0b0e35c391a121f2dc
[INFO] running `"docker" "start" "-a" "555afe0d5171c63db4eac123a0a923418caf860860782a0b0e35c391a121f2dc"`
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling ethabi-contract v6.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.1
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling ethbloom v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling ethereum-types v0.4.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling parse_duration v1.0.1
[INFO] [stderr]    Compiling hyper v0.12.18
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling jsonrpc-core v8.0.1
[INFO] [stderr]    Compiling ethabi v6.1.0
[INFO] [stderr]    Compiling web3 v0.5.1
[INFO] [stderr]    Compiling ethabi-derive v6.0.2
[INFO] [stderr]    Compiling poa-ballot-stats v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `"docker" "inspect" "555afe0d5171c63db4eac123a0a923418caf860860782a0b0e35c391a121f2dc"`
[INFO] running `"docker" "rm" "-f" "555afe0d5171c63db4eac123a0a923418caf860860782a0b0e35c391a121f2dc"`
[INFO] [stdout] 555afe0d5171c63db4eac123a0a923418caf860860782a0b0e35c391a121f2dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/poanetwork/poa-ballot-stats:/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] 3123cf9e9b784a999f44c347ce09edac105f6e4e86278a9d75adf881177b354b
[INFO] running `"docker" "start" "-a" "3123cf9e9b784a999f44c347ce09edac105f6e4e86278a9d75adf881177b354b"`
[INFO] [stderr]    Compiling poa-ballot-stats v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `"docker" "inspect" "3123cf9e9b784a999f44c347ce09edac105f6e4e86278a9d75adf881177b354b"`
[INFO] running `"docker" "rm" "-f" "3123cf9e9b784a999f44c347ce09edac105f6e4e86278a9d75adf881177b354b"`
[INFO] [stdout] 3123cf9e9b784a999f44c347ce09edac105f6e4e86278a9d75adf881177b354b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/poanetwork/poa-ballot-stats:/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] 3ff2fe55f49c6e6a5c82b08df4fbbed3f229dee21c1cc75d6997225ac84987bf
[INFO] running `"docker" "start" "-a" "3ff2fe55f49c6e6a5c82b08df4fbbed3f229dee21c1cc75d6997225ac84987bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/poa_ballot_stats-09f0b0005eb05e9c
[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" "3ff2fe55f49c6e6a5c82b08df4fbbed3f229dee21c1cc75d6997225ac84987bf"`
[INFO] running `"docker" "rm" "-f" "3ff2fe55f49c6e6a5c82b08df4fbbed3f229dee21c1cc75d6997225ac84987bf"`
[INFO] [stdout] 3ff2fe55f49c6e6a5c82b08df4fbbed3f229dee21c1cc75d6997225ac84987bf