[INFO] updating cached repository cesare/rust-list-ec2-instances
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cesare/rust-list-ec2-instances
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust-list-ec2-instances" "work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/rust-list-ec2-instances"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/rust-list-ec2-instances'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust-list-ec2-instances" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust-list-ec2-instances"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust-list-ec2-instances'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d108bc60553fd2046d4c98db1a0300a6dde2fdb2
[INFO] sha for GitHub repo cesare/rust-list-ec2-instances: d108bc60553fd2046d4c98db1a0300a6dde2fdb2
[INFO] validating manifest of cesare/rust-list-ec2-instances 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 cesare/rust-list-ec2-instances 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 cesare/rust-list-ec2-instances
[INFO] finished frobbing cesare/rust-list-ec2-instances
[INFO] frobbed toml for cesare/rust-list-ec2-instances written to work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/rust-list-ec2-instances/Cargo.toml
[INFO] started frobbing cesare/rust-list-ec2-instances
[INFO] finished frobbing cesare/rust-list-ec2-instances
[INFO] frobbed toml for cesare/rust-list-ec2-instances written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust-list-ec2-instances/Cargo.toml
[INFO] crate cesare/rust-list-ec2-instances already has a lockfile, it will not be regenerated
[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 cesare/rust-list-ec2-instances 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/rust-list-ec2-instances:/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] 228c933e4001bbb4227358328d9effc519431a9c93d53a38f1556fe8442b731c
[INFO] running `"docker" "start" "-a" "228c933e4001bbb4227358328d9effc519431a9c93d53a38f1556fe8442b731c"`
[INFO] [stderr]    Compiling serde v1.0.30
[INFO] [stderr]    Compiling hex v0.3.1
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling dirs v1.0.3
[INFO] [stderr]    Compiling tokio-executor v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.5.2
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-timer v0.2.5
[INFO] [stderr]    Compiling rusoto_core v0.33.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling http v0.1.10
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling sha2 v0.7.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling regex v0.2.8
[INFO] [stderr]    Compiling tokio-core v0.1.15
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling hyper v0.12.7
[INFO] [stderr]    Compiling hyper-tls v0.2.1
[INFO] [stderr]    Compiling rusoto_credential v0.12.0
[INFO] [stderr]    Compiling rusoto_ec2 v0.33.1
[INFO] [stderr] error: Could not compile `rusoto_ec2`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rusoto_ec2 /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusoto_ec2-0.33.1/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=c69600c6f15e24d9 -C extra-filename=-c69600c6f15e24d9 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern futures=/opt/crater/target/debug/deps/libfutures-4462721d44661bf5.rmeta --extern rusoto_core=/opt/crater/target/debug/deps/librusoto_core-e4b86d22e50f7900.rmeta --extern xml=/opt/crater/target/debug/deps/libxml-63149714937b8f36.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "228c933e4001bbb4227358328d9effc519431a9c93d53a38f1556fe8442b731c"`
[INFO] running `"docker" "rm" "-f" "228c933e4001bbb4227358328d9effc519431a9c93d53a38f1556fe8442b731c"`
[INFO] [stdout] 228c933e4001bbb4227358328d9effc519431a9c93d53a38f1556fe8442b731c