[INFO] crate upgradedb4pg 0.1.0 is already in cache
[INFO] extracting crate upgradedb4pg 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/upgradedb4pg/0.1.0
[INFO] extracting crate upgradedb4pg 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/upgradedb4pg/0.1.0
[INFO] validating manifest of upgradedb4pg-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of upgradedb4pg-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing upgradedb4pg-0.1.0
[INFO] finished frobbing upgradedb4pg-0.1.0
[INFO] frobbed toml for upgradedb4pg-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/upgradedb4pg/0.1.0/Cargo.toml
[INFO] started frobbing upgradedb4pg-0.1.0
[INFO] finished frobbing upgradedb4pg-0.1.0
[INFO] frobbed toml for upgradedb4pg-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/upgradedb4pg/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing upgradedb4pg-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/upgradedb4pg/0.1.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 28d36bfc76f7f9a2a98b15e76c458708db72ddf79bdbd6401e8c61b4e441b371
[INFO] running `"docker" "start" "-a" "28d36bfc76f7f9a2a98b15e76c458708db72ddf79bdbd6401e8c61b4e441b371"`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling postgres-shared v0.4.2
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling rustyline v2.1.0
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "28d36bfc76f7f9a2a98b15e76c458708db72ddf79bdbd6401e8c61b4e441b371"`
[INFO] running `"docker" "rm" "-f" "28d36bfc76f7f9a2a98b15e76c458708db72ddf79bdbd6401e8c61b4e441b371"`
[INFO] [stdout] 28d36bfc76f7f9a2a98b15e76c458708db72ddf79bdbd6401e8c61b4e441b371