[INFO] crate rusoto_iot 0.40.0 is already in cache
[INFO] extracting crate rusoto_iot 0.40.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rusoto_iot/0.40.0
[INFO] extracting crate rusoto_iot 0.40.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusoto_iot/0.40.0
[INFO] validating manifest of rusoto_iot-0.40.0 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 rusoto_iot-0.40.0 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 rusoto_iot-0.40.0
[INFO] finished frobbing rusoto_iot-0.40.0
[INFO] frobbed toml for rusoto_iot-0.40.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rusoto_iot/0.40.0/Cargo.toml
[INFO] started frobbing rusoto_iot-0.40.0
[INFO] finished frobbing rusoto_iot-0.40.0
[INFO] frobbed toml for rusoto_iot-0.40.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusoto_iot/0.40.0/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 rusoto_iot-0.40.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rusoto_iot/0.40.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3de78867c312d818dc6f5671d0460a533eab926b046911950506ce8aa9f1c7ac
[INFO] running `"docker" "start" "-a" "3de78867c312d818dc6f5671d0460a533eab926b046911950506ce8aa9f1c7ac"`
[INFO] [stderr]    Compiling rusoto_iot v0.40.0 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `rusoto_iot`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name rusoto_iot src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="native-tls"' -C metadata=934de96635828c4d -C extra-filename=-934de96635828c4d --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bytes=/opt/crater/target/debug/deps/libbytes-6eca479c9983e64d.rlib --extern futures=/opt/crater/target/debug/deps/libfutures-2204f6374ace2c39.rlib --extern rusoto_core=/opt/crater/target/debug/deps/librusoto_core-7fa42be6509f473e.rlib --extern serde=/opt/crater/target/debug/deps/libserde-3a1343e806eb8450.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-f6b540ffea90773e.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "3de78867c312d818dc6f5671d0460a533eab926b046911950506ce8aa9f1c7ac"`
[INFO] running `"docker" "rm" "-f" "3de78867c312d818dc6f5671d0460a533eab926b046911950506ce8aa9f1c7ac"`
[INFO] [stdout] 3de78867c312d818dc6f5671d0460a533eab926b046911950506ce8aa9f1c7ac