[INFO] updating cached repository https://github.com/cesare/rust-list-ec2-instances
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62b3f766ee82cfadc4b59deabf1adad869cedf3d
[INFO] testing cesare/rust-list-ec2-instances against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-list-ec2-instances" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cesare/rust-list-ec2-instances on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cesare/rust-list-ec2-instances
[INFO] finished tweaking git repo https://github.com/cesare/rust-list-ec2-instances
[INFO] tweaked toml for git repo https://github.com/cesare/rust-list-ec2-instances written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/cesare/rust-list-ec2-instances already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22a93747e63c50a9b9bab111f3067d87904d46270f1cc133b022d18d5589acd2
[INFO] running `"docker" "start" "-a" "22a93747e63c50a9b9bab111f3067d87904d46270f1cc133b022d18d5589acd2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling rusoto_core v0.42.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.11
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling tokio-process v0.2.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling rusoto_credential v0.42.0
[INFO] [stderr]    Compiling rusoto_signature v0.42.0
[INFO] [stderr]    Compiling rusoto_ec2 v0.42.0
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusoto_ec2-0.42.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="native-tls"' -C metadata=b3d981a5c271f681 -C extra-filename=-b3d981a5c271f681 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e6b530658d29dfec.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-e9fa68217aeb65e1.rmeta --extern rusoto_core=/opt/rustwide/target/debug/deps/librusoto_core-14f4bc2814e16286.rmeta --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-1bee5ffa346a40b5.rmeta --extern xml=/opt/rustwide/target/debug/deps/libxml-9b317c14b2a243a1.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "22a93747e63c50a9b9bab111f3067d87904d46270f1cc133b022d18d5589acd2"`
[INFO] running `"docker" "rm" "-f" "22a93747e63c50a9b9bab111f3067d87904d46270f1cc133b022d18d5589acd2"`
[INFO] [stdout] 22a93747e63c50a9b9bab111f3067d87904d46270f1cc133b022d18d5589acd2