[INFO] crate new_type_derive 0.2.2 is already in cache
[INFO] checking new_type_derive-0.2.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate new_type_derive 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate new_type_derive 0.2.2 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate new_type_derive 0.2.2
[INFO] finished tweaking crates.io crate new_type_derive 0.2.2
[INFO] tweaked toml for crates.io crate new_type_derive 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d49acf5efca7704488229de48b537c8ec89740362590cbbfcc70bac9c75ea12
[INFO] running `"docker" "start" "-a" "4d49acf5efca7704488229de48b537c8ec89740362590cbbfcc70bac9c75ea12"`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking new_type_derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::From<&_>`
[INFO] [stderr]    --> src/new_type_pair.rs:473:25
[INFO] [stderr]     |
[INFO] [stderr] 473 |             let inner = String::from(self.as_ref());
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: required by `std::convert::From::from`
[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 `new_type_derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4d49acf5efca7704488229de48b537c8ec89740362590cbbfcc70bac9c75ea12"`
[INFO] running `"docker" "rm" "-f" "4d49acf5efca7704488229de48b537c8ec89740362590cbbfcc70bac9c75ea12"`
[INFO] [stdout] 4d49acf5efca7704488229de48b537c8ec89740362590cbbfcc70bac9c75ea12