[INFO] crate new_type_derive 0.2.2 is already in cache
[INFO] testing new_type_derive-0.2.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate new_type_derive 0.2.2 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate new_type_derive 0.2.2 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 4ddb7a3073e76ab8c27fe83499e5e9e042c71051750ce8b0e26a95c03aa7a435
[INFO] running `"docker" "start" "-a" "4ddb7a3073e76ab8c27fe83499e5e9e042c71051750ce8b0e26a95c03aa7a435"`
[INFO] [stderr]    Compiling new_type_derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "4ddb7a3073e76ab8c27fe83499e5e9e042c71051750ce8b0e26a95c03aa7a435"`
[INFO] running `"docker" "rm" "-f" "4ddb7a3073e76ab8c27fe83499e5e9e042c71051750ce8b0e26a95c03aa7a435"`
[INFO] [stdout] 4ddb7a3073e76ab8c27fe83499e5e9e042c71051750ce8b0e26a95c03aa7a435
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e836fb037d3244f995130df7993ee08e686a66ab74c3e58c95aa4a3e76166270
[INFO] running `"docker" "start" "-a" "e836fb037d3244f995130df7993ee08e686a66ab74c3e58c95aa4a3e76166270"`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling 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" "e836fb037d3244f995130df7993ee08e686a66ab74c3e58c95aa4a3e76166270"`
[INFO] running `"docker" "rm" "-f" "e836fb037d3244f995130df7993ee08e686a66ab74c3e58c95aa4a3e76166270"`
[INFO] [stdout] e836fb037d3244f995130df7993ee08e686a66ab74c3e58c95aa4a3e76166270