[INFO] updating cached repository adeschene/rust_text-game [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/adeschene/rust_text-game [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/adeschene/rust_text-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/adeschene/rust_text-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/adeschene/rust_text-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/adeschene/rust_text-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeschene/rust_text-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeschene/rust_text-game'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2c255d2b6509783087dcf6060bcf99c607449ff7 [INFO] sha for GitHub repo adeschene/rust_text-game: 2c255d2b6509783087dcf6060bcf99c607449ff7 [INFO] validating manifest of adeschene/rust_text-game 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 adeschene/rust_text-game 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 adeschene/rust_text-game [INFO] finished frobbing adeschene/rust_text-game [INFO] frobbed toml for adeschene/rust_text-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/adeschene/rust_text-game/Cargo.toml [INFO] started frobbing adeschene/rust_text-game [INFO] finished frobbing adeschene/rust_text-game [INFO] frobbed toml for adeschene/rust_text-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeschene/rust_text-game/Cargo.toml [INFO] crate adeschene/rust_text-game 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 adeschene/rust_text-game 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/adeschene/rust_text-game:/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] 60300336b817e4bbf50c694c201c02d700031f55db4614afa59e0ddda778075d [INFO] running `"docker" "start" "-a" "60300336b817e4bbf50c694c201c02d700031f55db4614afa59e0ddda778075d"` [INFO] [stderr] Compiling utf8parse v0.1.1 [INFO] [stderr] Compiling rustyline v4.1.0 [INFO] [stderr] Compiling rust_text-game v0.1.1 (/opt/crater/workdir) [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>` [INFO] [stderr] --> src/main.rs:75:36 [INFO] [stderr] | [INFO] [stderr] 75 | rl.add_history_entry(input.as_ref()); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0283`. [INFO] [stderr] error: Could not compile `rust_text-game`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "60300336b817e4bbf50c694c201c02d700031f55db4614afa59e0ddda778075d"` [INFO] running `"docker" "rm" "-f" "60300336b817e4bbf50c694c201c02d700031f55db4614afa59e0ddda778075d"` [INFO] [stdout] 60300336b817e4bbf50c694c201c02d700031f55db4614afa59e0ddda778075d