[INFO] updating cached repository idursun/evolution
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/idursun/evolution
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/idursun/evolution" "work/ex/beta-1.38-1/sources/1.37.0/gh/idursun/evolution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/idursun/evolution'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/idursun/evolution" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/idursun/evolution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/idursun/evolution'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c9e536ac05ff50178c8f6d827343753dde5241a
[INFO] sha for GitHub repo idursun/evolution: 0c9e536ac05ff50178c8f6d827343753dde5241a
[INFO] validating manifest of idursun/evolution 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 idursun/evolution 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 idursun/evolution
[INFO] finished frobbing idursun/evolution
[INFO] frobbed toml for idursun/evolution written to work/ex/beta-1.38-1/sources/1.37.0/gh/idursun/evolution/Cargo.toml
[INFO] started frobbing idursun/evolution
[INFO] finished frobbing idursun/evolution
[INFO] frobbed toml for idursun/evolution written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/idursun/evolution/Cargo.toml
[INFO] crate idursun/evolution 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 idursun/evolution 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-2/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/idursun/evolution:/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] 52c0004e4b891b922a62d5a6aaffd815d960d8cf5256bd728cdeb06ba3e3092a
[INFO] running `"docker" "start" "-a" "52c0004e4b891b922a62d5a6aaffd815d960d8cf5256bd728cdeb06ba3e3092a"`
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling evolution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let mut text = match ant.team {
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/board.rs:140:37
[INFO] [stderr]     |
[INFO] [stderr] 140 |                                 let mut born_ant = ant.split();
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "52c0004e4b891b922a62d5a6aaffd815d960d8cf5256bd728cdeb06ba3e3092a"`
[INFO] running `"docker" "rm" "-f" "52c0004e4b891b922a62d5a6aaffd815d960d8cf5256bd728cdeb06ba3e3092a"`
[INFO] [stdout] 52c0004e4b891b922a62d5a6aaffd815d960d8cf5256bd728cdeb06ba3e3092a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/idursun/evolution:/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] 35ffc54a7f852ca7a79a3b84b2f8fcd930698b98941ef4409f53da3a2d606340
[INFO] running `"docker" "start" "-a" "35ffc54a7f852ca7a79a3b84b2f8fcd930698b98941ef4409f53da3a2d606340"`
[INFO] [stderr]    Compiling evolution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let mut text = match ant.team {
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/board.rs:140:37
[INFO] [stderr]     |
[INFO] [stderr] 140 |                                 let mut born_ant = ant.split();
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "35ffc54a7f852ca7a79a3b84b2f8fcd930698b98941ef4409f53da3a2d606340"`
[INFO] running `"docker" "rm" "-f" "35ffc54a7f852ca7a79a3b84b2f8fcd930698b98941ef4409f53da3a2d606340"`
[INFO] [stdout] 35ffc54a7f852ca7a79a3b84b2f8fcd930698b98941ef4409f53da3a2d606340
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/idursun/evolution:/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] e283c04b26251afb016697cfb6e464293e820e14c3659fabbc3478ab701ff850
[INFO] running `"docker" "start" "-a" "e283c04b26251afb016697cfb6e464293e820e14c3659fabbc3478ab701ff850"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/evolution-54ceb8adb138ffec
[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" "e283c04b26251afb016697cfb6e464293e820e14c3659fabbc3478ab701ff850"`
[INFO] running `"docker" "rm" "-f" "e283c04b26251afb016697cfb6e464293e820e14c3659fabbc3478ab701ff850"`
[INFO] [stdout] e283c04b26251afb016697cfb6e464293e820e14c3659fabbc3478ab701ff850