[INFO] updating cached repository andschwa/rust-genetic-algorithm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andschwa/rust-genetic-algorithm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andschwa/rust-genetic-algorithm" "work/ex/beta-1.38-1/sources/1.37.0/gh/andschwa/rust-genetic-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andschwa/rust-genetic-algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andschwa/rust-genetic-algorithm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andschwa/rust-genetic-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andschwa/rust-genetic-algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0477eecdab3f356a73ee4802279b6bd533b12f6
[INFO] sha for GitHub repo andschwa/rust-genetic-algorithm: a0477eecdab3f356a73ee4802279b6bd533b12f6
[INFO] validating manifest of andschwa/rust-genetic-algorithm 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 andschwa/rust-genetic-algorithm 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 andschwa/rust-genetic-algorithm
[INFO] finished frobbing andschwa/rust-genetic-algorithm
[INFO] frobbed toml for andschwa/rust-genetic-algorithm written to work/ex/beta-1.38-1/sources/1.37.0/gh/andschwa/rust-genetic-algorithm/Cargo.toml
[INFO] started frobbing andschwa/rust-genetic-algorithm
[INFO] finished frobbing andschwa/rust-genetic-algorithm
[INFO] frobbed toml for andschwa/rust-genetic-algorithm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andschwa/rust-genetic-algorithm/Cargo.toml
[INFO] crate andschwa/rust-genetic-algorithm 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 andschwa/rust-genetic-algorithm 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andschwa/rust-genetic-algorithm:/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] 8d0dee308537e7a4bb9bf95cb7a55bb72596d76782feb9c538e34e88e96de0ff
[INFO] running `"docker" "start" "-a" "8d0dee308537e7a4bb9bf95cb7a55bb72596d76782feb9c538e34e88e96de0ff"`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling libc v0.2.38
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling clap v0.10.5
[INFO] [stderr]    Compiling rust-genetic-algorithm v1.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / arg_enum!{
[INFO] [stderr] 17 | |     #[derive(Debug, PartialEq, Eq, Copy, Clone)]
[INFO] [stderr] 18 | |     pub enum Problem {
[INFO] [stderr] 19 | |         Ackley,
[INFO] [stderr] ...  |
[INFO] [stderr] 25 | |     }
[INFO] [stderr] 26 | | }
[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]     Finished dev [optimized + debuginfo] target(s) in 39.01s
[INFO] running `"docker" "inspect" "8d0dee308537e7a4bb9bf95cb7a55bb72596d76782feb9c538e34e88e96de0ff"`
[INFO] running `"docker" "rm" "-f" "8d0dee308537e7a4bb9bf95cb7a55bb72596d76782feb9c538e34e88e96de0ff"`
[INFO] [stdout] 8d0dee308537e7a4bb9bf95cb7a55bb72596d76782feb9c538e34e88e96de0ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andschwa/rust-genetic-algorithm:/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] 851b0c81c17fc224c82ce2fde700f5f378de295fee3072fe3b726428dd5dbf93
[INFO] running `"docker" "start" "-a" "851b0c81c17fc224c82ce2fde700f5f378de295fee3072fe3b726428dd5dbf93"`
[INFO] [stderr]    Compiling rust-genetic-algorithm v1.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / arg_enum!{
[INFO] [stderr] 17 | |     #[derive(Debug, PartialEq, Eq, Copy, Clone)]
[INFO] [stderr] 18 | |     pub enum Problem {
[INFO] [stderr] 19 | |         Ackley,
[INFO] [stderr] ...  |
[INFO] [stderr] 25 | |     }
[INFO] [stderr] 26 | | }
[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]     Finished dev [optimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "851b0c81c17fc224c82ce2fde700f5f378de295fee3072fe3b726428dd5dbf93"`
[INFO] running `"docker" "rm" "-f" "851b0c81c17fc224c82ce2fde700f5f378de295fee3072fe3b726428dd5dbf93"`
[INFO] [stdout] 851b0c81c17fc224c82ce2fde700f5f378de295fee3072fe3b726428dd5dbf93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andschwa/rust-genetic-algorithm:/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] 731effbdf81787061cca48da5e753ab1d2d090a2a643a9dd39fa35a60fd7101a
[INFO] running `"docker" "start" "-a" "731effbdf81787061cca48da5e753ab1d2d090a2a643a9dd39fa35a60fd7101a"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_genetic_algorithm-ccfdfb43b63f9957
[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" "731effbdf81787061cca48da5e753ab1d2d090a2a643a9dd39fa35a60fd7101a"`
[INFO] running `"docker" "rm" "-f" "731effbdf81787061cca48da5e753ab1d2d090a2a643a9dd39fa35a60fd7101a"`
[INFO] [stdout] 731effbdf81787061cca48da5e753ab1d2d090a2a643a9dd39fa35a60fd7101a