[INFO] fetching crate new_type_derive 0.2.2...
[INFO] checking new_type_derive-0.2.2 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate new_type_derive 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate new_type_derive 0.2.2 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 202469a106d4b5c191a36df7d70b62a002afbc1d94760224629fbc0d3166d64a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "202469a106d4b5c191a36df7d70b62a002afbc1d94760224629fbc0d3166d64a"`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking new_type_derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr] error[E0283]: type annotations needed: 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" "202469a106d4b5c191a36df7d70b62a002afbc1d94760224629fbc0d3166d64a"`
[INFO] running `"docker" "rm" "-f" "202469a106d4b5c191a36df7d70b62a002afbc1d94760224629fbc0d3166d64a"`
[INFO] [stdout] 202469a106d4b5c191a36df7d70b62a002afbc1d94760224629fbc0d3166d64a