[INFO] updating cached repository jaynagpaul/Raft
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaynagpaul/Raft
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaynagpaul/Raft" "work/ex/beta-1.38-1/sources/1.37.0/gh/jaynagpaul/Raft"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jaynagpaul/Raft'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaynagpaul/Raft" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaynagpaul/Raft"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaynagpaul/Raft'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9d0c42e5cad384de0fb14d5c47f92c9d29c2b99f
[INFO] sha for GitHub repo jaynagpaul/Raft: 9d0c42e5cad384de0fb14d5c47f92c9d29c2b99f
[INFO] validating manifest of jaynagpaul/Raft 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 jaynagpaul/Raft 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 jaynagpaul/Raft
[INFO] finished frobbing jaynagpaul/Raft
[INFO] frobbed toml for jaynagpaul/Raft written to work/ex/beta-1.38-1/sources/1.37.0/gh/jaynagpaul/Raft/Cargo.toml
[INFO] started frobbing jaynagpaul/Raft
[INFO] finished frobbing jaynagpaul/Raft
[INFO] frobbed toml for jaynagpaul/Raft written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaynagpaul/Raft/Cargo.toml
[INFO] crate jaynagpaul/Raft 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 jaynagpaul/Raft against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jaynagpaul/Raft:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 236b3708f576e0a1df9492d878533a9360ea1802f95890ce49bd1c54cfdc51a0
[INFO] running `"docker" "start" "-a" "236b3708f576e0a1df9492d878533a9360ea1802f95890ce49bd1c54cfdc51a0"`
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/config.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn read() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `"docker" "inspect" "236b3708f576e0a1df9492d878533a9360ea1802f95890ce49bd1c54cfdc51a0"`
[INFO] running `"docker" "rm" "-f" "236b3708f576e0a1df9492d878533a9360ea1802f95890ce49bd1c54cfdc51a0"`
[INFO] [stdout] 236b3708f576e0a1df9492d878533a9360ea1802f95890ce49bd1c54cfdc51a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jaynagpaul/Raft:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 62ecd0c5826ce51b696fc28d02658f5e94f82156e4e8634dbee7583e16e775ab
[INFO] running `"docker" "start" "-a" "62ecd0c5826ce51b696fc28d02658f5e94f82156e4e8634dbee7583e16e775ab"`
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "62ecd0c5826ce51b696fc28d02658f5e94f82156e4e8634dbee7583e16e775ab"`
[INFO] running `"docker" "rm" "-f" "62ecd0c5826ce51b696fc28d02658f5e94f82156e4e8634dbee7583e16e775ab"`
[INFO] [stdout] 62ecd0c5826ce51b696fc28d02658f5e94f82156e4e8634dbee7583e16e775ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jaynagpaul/Raft:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7da7b0da57ca830d390335ecc758efd180d1a9bf32e2cc0e042a10e670276833
[INFO] running `"docker" "start" "-a" "7da7b0da57ca830d390335ecc758efd180d1a9bf32e2cc0e042a10e670276833"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/raft-ca3d755fad2bab56
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test config::override_config ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7da7b0da57ca830d390335ecc758efd180d1a9bf32e2cc0e042a10e670276833"`
[INFO] running `"docker" "rm" "-f" "7da7b0da57ca830d390335ecc758efd180d1a9bf32e2cc0e042a10e670276833"`
[INFO] [stdout] 7da7b0da57ca830d390335ecc758efd180d1a9bf32e2cc0e042a10e670276833