[INFO] fetching crate claws 1.0.0...
[INFO] testing claws-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate claws 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate claws 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate claws 1.0.0
[INFO] finished tweaking crates.io crate claws 1.0.0
[INFO] tweaked toml for crates.io crate claws 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate claws 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusoto_s3 v0.42.0
[INFO] [stderr]   Downloaded rusoto_ec2 v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a02313b36a9aede565569444f08a8440cadae7d36487e9d7e04be132fb4c4cce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a02313b36a9aede565569444f08a8440cadae7d36487e9d7e04be132fb4c4cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a02313b36a9aede565569444f08a8440cadae7d36487e9d7e04be132fb4c4cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02313b36a9aede565569444f08a8440cadae7d36487e9d7e04be132fb4c4cce", kill_on_drop: false }`
[INFO] [stdout] a02313b36a9aede565569444f08a8440cadae7d36487e9d7e04be132fb4c4cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e573d1e9254d28e429ce1aa5879f545b3727ae775ebff5929dc72c0b34e6840
[INFO] running `Command { std: "docker" "start" "-a" "4e573d1e9254d28e429ce1aa5879f545b3727ae775ebff5929dc72c0b34e6840", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rusoto_core v0.42.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling tokio-io v0.1.13
[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 tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-signal v0.2.9
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.17.0
[INFO] [stderr]    Compiling tokio-process v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-rustls v0.10.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling hyper-rustls v0.17.1
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling rusoto_credential v0.42.0
[INFO] [stderr]    Compiling rusoto_signature v0.42.0
[INFO] [stderr]    Compiling rusoto_s3 v0.42.0
[INFO] [stderr]    Compiling rusoto_ec2 v0.42.0
[INFO] [stderr]    Compiling rusoto_logs 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 embed-bitcode=no -C debuginfo=2 --cfg 'feature="rustls"' -C metadata=ba2ea76fd2f8b87c -C extra-filename=-ba2ea76fd2f8b87c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b45233304a5f8dd4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-0f39203b7bbc7621.rmeta --extern rusoto_core=/opt/rustwide/target/debug/deps/librusoto_core-69dca00525ef57d9.rmeta --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-c1e47c6418049aa6.rmeta --extern xml=/opt/rustwide/target/debug/deps/libxml-2ca1670042266d63.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-26cd1457f34a97e6/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4e573d1e9254d28e429ce1aa5879f545b3727ae775ebff5929dc72c0b34e6840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e573d1e9254d28e429ce1aa5879f545b3727ae775ebff5929dc72c0b34e6840", kill_on_drop: false }`
[INFO] [stdout] 4e573d1e9254d28e429ce1aa5879f545b3727ae775ebff5929dc72c0b34e6840