[INFO] updating cached repository instructure/ec2-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/instructure/ec2-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/instructure/ec2-rs" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/instructure/ec2-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/instructure/ec2-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/instructure/ec2-rs" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/instructure/ec2-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/instructure/ec2-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fbaad4ce66dd2f2e4768e1b77d4f654bec05cdb0
[INFO] sha for GitHub repo instructure/ec2-rs: fbaad4ce66dd2f2e4768e1b77d4f654bec05cdb0
[INFO] validating manifest of instructure/ec2-rs on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of instructure/ec2-rs on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing instructure/ec2-rs
[INFO] finished frobbing instructure/ec2-rs
[INFO] frobbed toml for instructure/ec2-rs written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/instructure/ec2-rs/Cargo.toml
[INFO] started frobbing instructure/ec2-rs
[INFO] finished frobbing instructure/ec2-rs
[INFO] frobbed toml for instructure/ec2-rs written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/instructure/ec2-rs/Cargo.toml
[INFO] crate instructure/ec2-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing instructure/ec2-rs against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/instructure/ec2-rs:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 7b157c1e3cc88e2e9e797012f72a1fb170dbb1d41923337aee7ab6ce9b4441e6
[INFO] running `"docker" "start" "-a" "7b157c1e3cc88e2e9e797012f72a1fb170dbb1d41923337aee7ab6ce9b4441e6"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/main.rs
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling concurrent-hashmap v0.2.2
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling slog-json v2.2.0
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.16
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling rusoto_credential v0.14.0
[INFO] [stderr]    Compiling rusoto_core v0.35.0
[INFO] [stderr]    Compiling rusoto_sts v0.35.0
[INFO] [stderr]    Compiling rusoto_ec2 v0.35.0
[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_ec2-0.35.0/src/lib.rs --color never --crate-type lib --emit=dep-info,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="native-tls"' --cfg 'feature="rusoto_core"' -C metadata=f6edb4ed526066fb -C extra-filename=-f6edb4ed526066fb --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern futures=/opt/crater/target/debug/deps/libfutures-99cb76b6e429b713.rlib --extern rusoto_core=/opt/crater/target/debug/deps/librusoto_core-655c892c343473fb.rlib --extern serde_urlencoded=/opt/crater/target/debug/deps/libserde_urlencoded-f78c99cf9b43250e.rlib --extern xml=/opt/crater/target/debug/deps/libxml-c660f038f5b2414b.rlib --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "7b157c1e3cc88e2e9e797012f72a1fb170dbb1d41923337aee7ab6ce9b4441e6"`
[INFO] running `"docker" "rm" "-f" "7b157c1e3cc88e2e9e797012f72a1fb170dbb1d41923337aee7ab6ce9b4441e6"`
[INFO] [stdout] 7b157c1e3cc88e2e9e797012f72a1fb170dbb1d41923337aee7ab6ce9b4441e6