[INFO] updating cached repository Adracus/snake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Adracus/snake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Adracus/snake" "work/ex/beta-1.37-6/sources/1.36.0/gh/Adracus/snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Adracus/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Adracus/snake" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adracus/snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adracus/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27f62d68180e94cb1d7bbeca690cd15e196e4dde
[INFO] sha for GitHub repo Adracus/snake: 27f62d68180e94cb1d7bbeca690cd15e196e4dde
[INFO] validating manifest of Adracus/snake on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Adracus/snake on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Adracus/snake
[INFO] finished frobbing Adracus/snake
[INFO] frobbed toml for Adracus/snake written to work/ex/beta-1.37-6/sources/1.36.0/gh/Adracus/snake/Cargo.toml
[INFO] started frobbing Adracus/snake
[INFO] finished frobbing Adracus/snake
[INFO] frobbed toml for Adracus/snake written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adracus/snake/Cargo.toml
[INFO] crate Adracus/snake already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Adracus/snake against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adracus/snake:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b5baa12626c0fbb8ae75d4d0fa21b85dd04696556841be6ac0f6ca1eff98fc8d
[INFO] running `"docker" "start" "-a" "b5baa12626c0fbb8ae75d4d0fa21b85dd04696556841be6ac0f6ca1eff98fc8d"`
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/renderer.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn render(&mut self, renderable: &Renderable);
[INFO] [stderr]   |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:90:39
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn render(&mut self, renderable: &Renderable) {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.28s
[INFO] running `"docker" "inspect" "b5baa12626c0fbb8ae75d4d0fa21b85dd04696556841be6ac0f6ca1eff98fc8d"`
[INFO] running `"docker" "rm" "-f" "b5baa12626c0fbb8ae75d4d0fa21b85dd04696556841be6ac0f6ca1eff98fc8d"`
[INFO] [stdout] b5baa12626c0fbb8ae75d4d0fa21b85dd04696556841be6ac0f6ca1eff98fc8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adracus/snake:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4ed82914330682ba7d294fd00c1f3b21478bcd6bce6448e445af5e01d0cbd078
[INFO] running `"docker" "start" "-a" "4ed82914330682ba7d294fd00c1f3b21478bcd6bce6448e445af5e01d0cbd078"`
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/renderer.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn render(&mut self, renderable: &Renderable);
[INFO] [stderr]   |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:90:39
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn render(&mut self, renderable: &Renderable) {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "4ed82914330682ba7d294fd00c1f3b21478bcd6bce6448e445af5e01d0cbd078"`
[INFO] running `"docker" "rm" "-f" "4ed82914330682ba7d294fd00c1f3b21478bcd6bce6448e445af5e01d0cbd078"`
[INFO] [stdout] 4ed82914330682ba7d294fd00c1f3b21478bcd6bce6448e445af5e01d0cbd078
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adracus/snake:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a6879eefe8c8ddaec48476fc29d01d64c0989925dbef7474434eaedca3c1eeb2
[INFO] running `"docker" "start" "-a" "a6879eefe8c8ddaec48476fc29d01d64c0989925dbef7474434eaedca3c1eeb2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake-225533459bd70f0c
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake-3849e90df3e4e678
[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] [stderr]    Doc-tests snake
[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" "a6879eefe8c8ddaec48476fc29d01d64c0989925dbef7474434eaedca3c1eeb2"`
[INFO] running `"docker" "rm" "-f" "a6879eefe8c8ddaec48476fc29d01d64c0989925dbef7474434eaedca3c1eeb2"`
[INFO] [stdout] a6879eefe8c8ddaec48476fc29d01d64c0989925dbef7474434eaedca3c1eeb2