[INFO] crate davincibot 0.0.19 is already in cache
[INFO] extracting crate davincibot 0.0.19 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/davincibot/0.0.19
[INFO] extracting crate davincibot 0.0.19 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/davincibot/0.0.19
[INFO] validating manifest of davincibot-0.0.19 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of davincibot-0.0.19 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing davincibot-0.0.19
[INFO] finished frobbing davincibot-0.0.19
[INFO] frobbed toml for davincibot-0.0.19 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/davincibot/0.0.19/Cargo.toml
[INFO] started frobbing davincibot-0.0.19
[INFO] finished frobbing davincibot-0.0.19
[INFO] frobbed toml for davincibot-0.0.19 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/davincibot/0.0.19/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking davincibot-0.0.19 against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/davincibot/0.0.19:/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=forbid" "-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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 16fb43ecad76dfee4e591f053c8a40d2375f0a8293743aeef03af45738e20e24
[INFO] running `"docker" "start" "-a" "16fb43ecad76dfee4e591f053c8a40d2375f0a8293743aeef03af45738e20e24"`
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]     Checking rustyline v2.1.0
[INFO] [stderr]     Checking edit-rs v0.1.1
[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-2.1.0/src/lib.rs:639:43
[INFO] [stderr]     |
[INFO] [stderr] 639 |             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" "16fb43ecad76dfee4e591f053c8a40d2375f0a8293743aeef03af45738e20e24"`
[INFO] running `"docker" "rm" "-f" "16fb43ecad76dfee4e591f053c8a40d2375f0a8293743aeef03af45738e20e24"`
[INFO] [stdout] 16fb43ecad76dfee4e591f053c8a40d2375f0a8293743aeef03af45738e20e24