[INFO] updating cached repository sakai-ryota/genetic_algorithm_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sakai-ryota/genetic_algorithm_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sakai-ryota/genetic_algorithm_rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/sakai-ryota/genetic_algorithm_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sakai-ryota/genetic_algorithm_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sakai-ryota/genetic_algorithm_rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sakai-ryota/genetic_algorithm_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sakai-ryota/genetic_algorithm_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 147d5f2a13924ab67f445b472c0370ed5effcfe7
[INFO] sha for GitHub repo sakai-ryota/genetic_algorithm_rs: 147d5f2a13924ab67f445b472c0370ed5effcfe7
[INFO] validating manifest of sakai-ryota/genetic_algorithm_rs 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 sakai-ryota/genetic_algorithm_rs 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 sakai-ryota/genetic_algorithm_rs
[INFO] finished frobbing sakai-ryota/genetic_algorithm_rs
[INFO] frobbed toml for sakai-ryota/genetic_algorithm_rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/sakai-ryota/genetic_algorithm_rs/Cargo.toml
[INFO] started frobbing sakai-ryota/genetic_algorithm_rs
[INFO] finished frobbing sakai-ryota/genetic_algorithm_rs
[INFO] frobbed toml for sakai-ryota/genetic_algorithm_rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sakai-ryota/genetic_algorithm_rs/Cargo.toml
[INFO] crate sakai-ryota/genetic_algorithm_rs 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 sakai-ryota/genetic_algorithm_rs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sakai-ryota/genetic_algorithm_rs:/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] 6ed8c9c55b78a54efdcf3527e0b4ecc2b19d5008c8d3d6755a619d00e33b15b8
[INFO] running `"docker" "start" "-a" "6ed8c9c55b78a54efdcf3527e0b4ecc2b19d5008c8d3d6755a619d00e33b15b8"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling genetic_algorithm_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `individuals`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     individuals : Vec<Vec<u8>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `block_size`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     block_size : usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `"docker" "inspect" "6ed8c9c55b78a54efdcf3527e0b4ecc2b19d5008c8d3d6755a619d00e33b15b8"`
[INFO] running `"docker" "rm" "-f" "6ed8c9c55b78a54efdcf3527e0b4ecc2b19d5008c8d3d6755a619d00e33b15b8"`
[INFO] [stdout] 6ed8c9c55b78a54efdcf3527e0b4ecc2b19d5008c8d3d6755a619d00e33b15b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sakai-ryota/genetic_algorithm_rs:/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] 9c612012a0243037e8cf5150c95a23f75987f9fb42c5d47e983a2db307f126ee
[INFO] running `"docker" "start" "-a" "9c612012a0243037e8cf5150c95a23f75987f9fb42c5d47e983a2db307f126ee"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling genetic_algorithm_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `individuals`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     individuals : Vec<Vec<u8>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `block_size`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     block_size : usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "9c612012a0243037e8cf5150c95a23f75987f9fb42c5d47e983a2db307f126ee"`
[INFO] running `"docker" "rm" "-f" "9c612012a0243037e8cf5150c95a23f75987f9fb42c5d47e983a2db307f126ee"`
[INFO] [stdout] 9c612012a0243037e8cf5150c95a23f75987f9fb42c5d47e983a2db307f126ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sakai-ryota/genetic_algorithm_rs:/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] 84629ffe05caf5fc8ebdbeea8dce787a7ef46ead5a181954c32588e250c361bb
[INFO] running `"docker" "start" "-a" "84629ffe05caf5fc8ebdbeea8dce787a7ef46ead5a181954c32588e250c361bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/genetic_algorithm_rs-ebe21eb5d8ba9749
[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] [stderr]      Running /opt/crater/target/debug/deps/genetic_algorithm_rs-24242bccdb0398e4
[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] [stderr]    Doc-tests genetic_algorithm_rs
[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" "84629ffe05caf5fc8ebdbeea8dce787a7ef46ead5a181954c32588e250c361bb"`
[INFO] running `"docker" "rm" "-f" "84629ffe05caf5fc8ebdbeea8dce787a7ef46ead5a181954c32588e250c361bb"`
[INFO] [stdout] 84629ffe05caf5fc8ebdbeea8dce787a7ef46ead5a181954c32588e250c361bb