[INFO] updating cached repository badboy/red [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/badboy/red [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/badboy/red" "work/ex/beta-1.38-1/sources/1.37.0/gh/badboy/red"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/badboy/red'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/badboy/red" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/red"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/red'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2711f9677a5074e33802ad0a0c88e590706d95df [INFO] sha for GitHub repo badboy/red: 2711f9677a5074e33802ad0a0c88e590706d95df [INFO] validating manifest of badboy/red 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 badboy/red 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 badboy/red [INFO] finished frobbing badboy/red [INFO] frobbed toml for badboy/red written to work/ex/beta-1.38-1/sources/1.37.0/gh/badboy/red/Cargo.toml [INFO] started frobbing badboy/red [INFO] finished frobbing badboy/red [INFO] frobbed toml for badboy/red written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/red/Cargo.toml [INFO] crate badboy/red 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 badboy/red against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/badboy/red:/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] 66a26d2b1731ab3c9dd0f0830f6e15b3124b414b0ddb7f2364d84f5e0cf2bbc8 [INFO] running `"docker" "start" "-a" "66a26d2b1731ab3c9dd0f0830f6e15b3124b414b0ddb7f2364d84f5e0cf2bbc8"` [INFO] [stderr] Compiling cc v1.0.24 [INFO] [stderr] Compiling rustyline v2.0.1 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.0.1/src/lib.rs:637:43 [INFO] [stderr] | [INFO] [stderr] 637 | editor.add_history_entry(line.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 `rustyline`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "66a26d2b1731ab3c9dd0f0830f6e15b3124b414b0ddb7f2364d84f5e0cf2bbc8"` [INFO] running `"docker" "rm" "-f" "66a26d2b1731ab3c9dd0f0830f6e15b3124b414b0ddb7f2364d84f5e0cf2bbc8"` [INFO] [stdout] 66a26d2b1731ab3c9dd0f0830f6e15b3124b414b0ddb7f2364d84f5e0cf2bbc8