[INFO] updating cached repository mjollnirsoftware/evolution
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mjollnirsoftware/evolution
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mjollnirsoftware/evolution" "work/ex/beta-1.38-1/sources/1.37.0/gh/mjollnirsoftware/evolution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mjollnirsoftware/evolution'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mjollnirsoftware/evolution" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mjollnirsoftware/evolution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mjollnirsoftware/evolution'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c9e536ac05ff50178c8f6d827343753dde5241a
[INFO] sha for GitHub repo mjollnirsoftware/evolution: 0c9e536ac05ff50178c8f6d827343753dde5241a
[INFO] validating manifest of mjollnirsoftware/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 mjollnirsoftware/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 mjollnirsoftware/evolution
[INFO] finished frobbing mjollnirsoftware/evolution
[INFO] frobbed toml for mjollnirsoftware/evolution written to work/ex/beta-1.38-1/sources/1.37.0/gh/mjollnirsoftware/evolution/Cargo.toml
[INFO] started frobbing mjollnirsoftware/evolution
[INFO] finished frobbing mjollnirsoftware/evolution
[INFO] frobbed toml for mjollnirsoftware/evolution written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mjollnirsoftware/evolution/Cargo.toml
[INFO] crate mjollnirsoftware/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 mjollnirsoftware/evolution 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mjollnirsoftware/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b3f8fe23df6f98b9d2339bd9da8b31387525b52707e3bbaa9a60741ba0b01093
[INFO] running `"docker" "start" "-a" "b3f8fe23df6f98b9d2339bd9da8b31387525b52707e3bbaa9a60741ba0b01093"`
[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 1.82s
[INFO] running `"docker" "inspect" "b3f8fe23df6f98b9d2339bd9da8b31387525b52707e3bbaa9a60741ba0b01093"`
[INFO] running `"docker" "rm" "-f" "b3f8fe23df6f98b9d2339bd9da8b31387525b52707e3bbaa9a60741ba0b01093"`
[INFO] [stdout] b3f8fe23df6f98b9d2339bd9da8b31387525b52707e3bbaa9a60741ba0b01093
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mjollnirsoftware/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8af9b4620c9dd0681e5b40b18227b05a96c841bf45a2db2df27023f9796d0078
[INFO] running `"docker" "start" "-a" "8af9b4620c9dd0681e5b40b18227b05a96c841bf45a2db2df27023f9796d0078"`
[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 0.98s
[INFO] running `"docker" "inspect" "8af9b4620c9dd0681e5b40b18227b05a96c841bf45a2db2df27023f9796d0078"`
[INFO] running `"docker" "rm" "-f" "8af9b4620c9dd0681e5b40b18227b05a96c841bf45a2db2df27023f9796d0078"`
[INFO] [stdout] 8af9b4620c9dd0681e5b40b18227b05a96c841bf45a2db2df27023f9796d0078
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mjollnirsoftware/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 46b857b4aef7d5b05d512b708f07f5a586a9f6bb7fa032f27854c5f0f6a3f27c
[INFO] running `"docker" "start" "-a" "46b857b4aef7d5b05d512b708f07f5a586a9f6bb7fa032f27854c5f0f6a3f27c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/evolution-9df3ba92018065b7
[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" "46b857b4aef7d5b05d512b708f07f5a586a9f6bb7fa032f27854c5f0f6a3f27c"`
[INFO] running `"docker" "rm" "-f" "46b857b4aef7d5b05d512b708f07f5a586a9f6bb7fa032f27854c5f0f6a3f27c"`
[INFO] [stdout] 46b857b4aef7d5b05d512b708f07f5a586a9f6bb7fa032f27854c5f0f6a3f27c