[INFO] cloning repository henghuang/snake_rust
[INFO] running `"git" "clone" "--bare" "git://github.com/henghuang/snake_rust.git" "work/cache/sources/gh/henghuang/snake_rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/henghuang/snake_rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/henghuang/snake_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/henghuang/snake_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/henghuang/snake_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/henghuang/snake_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/henghuang/snake_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/henghuang/snake_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dc03423ad59a962e01aa6a2b3fe3cca14c647ce
[INFO] sha for GitHub repo henghuang/snake_rust: 1dc03423ad59a962e01aa6a2b3fe3cca14c647ce
[INFO] validating manifest of henghuang/snake_rust 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 henghuang/snake_rust 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 henghuang/snake_rust
[INFO] finished frobbing henghuang/snake_rust
[INFO] frobbed toml for henghuang/snake_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/henghuang/snake_rust/Cargo.toml
[INFO] started frobbing henghuang/snake_rust
[INFO] finished frobbing henghuang/snake_rust
[INFO] frobbed toml for henghuang/snake_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/henghuang/snake_rust/Cargo.toml
[INFO] crate henghuang/snake_rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing henghuang/snake_rust 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-3/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/henghuang/snake_rust:/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] 95de8fd2f15398733b159c7e2e453a6fbba1123ed133c68985a61014b5593edd
[INFO] running `"docker" "start" "-a" "95de8fd2f15398733b159c7e2e453a6fbba1123ed133c68985a61014b5593edd"`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling snake_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:79
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn draw(&mut self, key: &Option<Result<u8, std::io::Error>>, stdout: &mut Write) -> bool {
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `"docker" "inspect" "95de8fd2f15398733b159c7e2e453a6fbba1123ed133c68985a61014b5593edd"`
[INFO] running `"docker" "rm" "-f" "95de8fd2f15398733b159c7e2e453a6fbba1123ed133c68985a61014b5593edd"`
[INFO] [stdout] 95de8fd2f15398733b159c7e2e453a6fbba1123ed133c68985a61014b5593edd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/henghuang/snake_rust:/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] bb05a6ca98ec6df1a95d83b24fa0767a08becd9d8f68adbd62635d3a6d02fb10
[INFO] running `"docker" "start" "-a" "bb05a6ca98ec6df1a95d83b24fa0767a08becd9d8f68adbd62635d3a6d02fb10"`
[INFO] [stderr]    Compiling snake_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:79
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn draw(&mut self, key: &Option<Result<u8, std::io::Error>>, stdout: &mut Write) -> bool {
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "bb05a6ca98ec6df1a95d83b24fa0767a08becd9d8f68adbd62635d3a6d02fb10"`
[INFO] running `"docker" "rm" "-f" "bb05a6ca98ec6df1a95d83b24fa0767a08becd9d8f68adbd62635d3a6d02fb10"`
[INFO] [stdout] bb05a6ca98ec6df1a95d83b24fa0767a08becd9d8f68adbd62635d3a6d02fb10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/henghuang/snake_rust:/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] 237ce13428ef9a6082f9e46bd895a4536d93a587ffc387dfb33fabac0c68314d
[INFO] running `"docker" "start" "-a" "237ce13428ef9a6082f9e46bd895a4536d93a587ffc387dfb33fabac0c68314d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake_rust-1a39887b4fd5b5ef
[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" "237ce13428ef9a6082f9e46bd895a4536d93a587ffc387dfb33fabac0c68314d"`
[INFO] running `"docker" "rm" "-f" "237ce13428ef9a6082f9e46bd895a4536d93a587ffc387dfb33fabac0c68314d"`
[INFO] [stdout] 237ce13428ef9a6082f9e46bd895a4536d93a587ffc387dfb33fabac0c68314d