[INFO] updating cached repository Fluci/snakes-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Fluci/snakes-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Fluci/snakes-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/Fluci/snakes-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Fluci/snakes-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fluci/snakes-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fluci/snakes-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fluci/snakes-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0c905b58ca9f45edae9eae39516abc7d3dc3e51
[INFO] sha for GitHub repo Fluci/snakes-rs: a0c905b58ca9f45edae9eae39516abc7d3dc3e51
[INFO] validating manifest of Fluci/snakes-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 Fluci/snakes-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 Fluci/snakes-rs
[INFO] finished frobbing Fluci/snakes-rs
[INFO] frobbed toml for Fluci/snakes-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/Fluci/snakes-rs/Cargo.toml
[INFO] started frobbing Fluci/snakes-rs
[INFO] finished frobbing Fluci/snakes-rs
[INFO] frobbed toml for Fluci/snakes-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fluci/snakes-rs/Cargo.toml
[INFO] crate Fluci/snakes-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 Fluci/snakes-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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Fluci/snakes-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] 9d4d22f18af659879164c79440da3b29d295c4a71b27622736ee0d9616ae9d19
[INFO] running `"docker" "start" "-a" "9d4d22f18af659879164c79440da3b29d295c4a71b27622736ee0d9616ae9d19"`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling snakes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/grid/ai/space_explorer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/grid/view/noop_view.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn draw_world(&mut self, world: &World) {}
[INFO] [stderr]    |                              ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NoopView`
[INFO] [stderr]  --> src/play/main.rs:4:49
[INFO] [stderr]   |
[INFO] [stderr] 4 | use gridsnakes::view::{Controller, TermionView, NoopView};
[INFO] [stderr]   |                                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.78s
[INFO] running `"docker" "inspect" "9d4d22f18af659879164c79440da3b29d295c4a71b27622736ee0d9616ae9d19"`
[INFO] running `"docker" "rm" "-f" "9d4d22f18af659879164c79440da3b29d295c4a71b27622736ee0d9616ae9d19"`
[INFO] [stdout] 9d4d22f18af659879164c79440da3b29d295c4a71b27622736ee0d9616ae9d19
[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/Fluci/snakes-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] 4870412b7ea59f1483dd91cef0cdc18de8c0131808f7ecd62f5d43647d933728
[INFO] running `"docker" "start" "-a" "4870412b7ea59f1483dd91cef0cdc18de8c0131808f7ecd62f5d43647d933728"`
[INFO] [stderr]    Compiling snakes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `NoopView`
[INFO] [stderr]  --> src/play/main.rs:4:49
[INFO] [stderr]   |
[INFO] [stderr] 4 | use gridsnakes::view::{Controller, TermionView, NoopView};
[INFO] [stderr]   |                                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/grid/ai/space_explorer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/grid/view/noop_view.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn draw_world(&mut self, world: &World) {}
[INFO] [stderr]    |                              ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "4870412b7ea59f1483dd91cef0cdc18de8c0131808f7ecd62f5d43647d933728"`
[INFO] running `"docker" "rm" "-f" "4870412b7ea59f1483dd91cef0cdc18de8c0131808f7ecd62f5d43647d933728"`
[INFO] [stdout] 4870412b7ea59f1483dd91cef0cdc18de8c0131808f7ecd62f5d43647d933728
[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/Fluci/snakes-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] 22d135bc1c4c7ddab459a86b8cffa74a3cfbcf7508cf564d0c0b8dede6bdb65c
[INFO] running `"docker" "start" "-a" "22d135bc1c4c7ddab459a86b8cffa74a3cfbcf7508cf564d0c0b8dede6bdb65c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gridsnakes-44416ee567e2e8a3
[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/learn-af4ae7ccd4282fae
[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/play-91297231ec3f8058
[INFO] [stderr]    Doc-tests gridsnakes
[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] [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" "22d135bc1c4c7ddab459a86b8cffa74a3cfbcf7508cf564d0c0b8dede6bdb65c"`
[INFO] running `"docker" "rm" "-f" "22d135bc1c4c7ddab459a86b8cffa74a3cfbcf7508cf564d0c0b8dede6bdb65c"`
[INFO] [stdout] 22d135bc1c4c7ddab459a86b8cffa74a3cfbcf7508cf564d0c0b8dede6bdb65c