[INFO] crate new_type_derive 0.2.2 is already in cache
[INFO] extracting crate new_type_derive 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/new_type_derive/0.2.2
[INFO] extracting crate new_type_derive 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/new_type_derive/0.2.2
[INFO] validating manifest of new_type_derive-0.2.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of new_type_derive-0.2.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing new_type_derive-0.2.2
[INFO] finished frobbing new_type_derive-0.2.2
[INFO] frobbed toml for new_type_derive-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/new_type_derive/0.2.2/Cargo.toml
[INFO] started frobbing new_type_derive-0.2.2
[INFO] finished frobbing new_type_derive-0.2.2
[INFO] frobbed toml for new_type_derive-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/new_type_derive/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing new_type_derive-0.2.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/new_type_derive/0.2.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] cd128b3d76e7dcffccfc63ecde7162af72dffc64f214274cb70357208fd3433c
[INFO] running `"docker" "start" "-a" "cd128b3d76e7dcffccfc63ecde7162af72dffc64f214274cb70357208fd3433c"`
[INFO] [stderr]    Compiling new_type_derive v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "cd128b3d76e7dcffccfc63ecde7162af72dffc64f214274cb70357208fd3433c"`
[INFO] running `"docker" "rm" "-f" "cd128b3d76e7dcffccfc63ecde7162af72dffc64f214274cb70357208fd3433c"`
[INFO] [stdout] cd128b3d76e7dcffccfc63ecde7162af72dffc64f214274cb70357208fd3433c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/new_type_derive/0.2.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d14d0ca6883687f6ac2d26c29964d0afaa91954309cd0ef9c2d888ddc0dee0ba
[INFO] running `"docker" "start" "-a" "d14d0ca6883687f6ac2d26c29964d0afaa91954309cd0ef9c2d888ddc0dee0ba"`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling new_type_derive v0.2.2 (/opt/crater/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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d14d0ca6883687f6ac2d26c29964d0afaa91954309cd0ef9c2d888ddc0dee0ba"`
[INFO] running `"docker" "rm" "-f" "d14d0ca6883687f6ac2d26c29964d0afaa91954309cd0ef9c2d888ddc0dee0ba"`
[INFO] [stdout] d14d0ca6883687f6ac2d26c29964d0afaa91954309cd0ef9c2d888ddc0dee0ba