[INFO] fetching crate external-ip 4.0.0...
[INFO] testing external-ip-4.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate external-ip 4.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate external-ip 4.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate external-ip 4.0.0
[INFO] finished tweaking crates.io crate external-ip 4.0.0
[INFO] tweaked toml for crates.io crate external-ip 4.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c43585d3e220dae371f479357ead9158f3d9d9460620dac1a197821cfbfc9ea
[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" "6c43585d3e220dae371f479357ead9158f3d9d9460620dac1a197821cfbfc9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c43585d3e220dae371f479357ead9158f3d9d9460620dac1a197821cfbfc9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c43585d3e220dae371f479357ead9158f3d9d9460620dac1a197821cfbfc9ea", kill_on_drop: false }`
[INFO] [stdout] 6c43585d3e220dae371f479357ead9158f3d9d9460620dac1a197821cfbfc9ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab7795e43450c1ef6b95317b7c7e0e5245ddb5e51d839d50e9a91250f6f46fd
[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" "4ab7795e43450c1ef6b95317b7c7e0e5245ddb5e51d839d50e9a91250f6f46fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling attohttpc v0.10.1
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling igd v0.11.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling trust-dns-proto v0.19.6
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.6
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling external-ip v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.35s
[INFO] running `Command { std: "docker" "inspect" "4ab7795e43450c1ef6b95317b7c7e0e5245ddb5e51d839d50e9a91250f6f46fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab7795e43450c1ef6b95317b7c7e0e5245ddb5e51d839d50e9a91250f6f46fd", kill_on_drop: false }`
[INFO] [stdout] 4ab7795e43450c1ef6b95317b7c7e0e5245ddb5e51d839d50e9a91250f6f46fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca9fc867e548d5c4818007b307951280aaeb76760b84e91e3c06cb9ac1b50a16
[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" "ca9fc867e548d5c4818007b307951280aaeb76760b84e91e3c06cb9ac1b50a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling mockall_derive v0.8.3
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling mockall v0.8.3
[INFO] [stderr]    Compiling external-ip v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `external-ip`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name external_ip --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="discover_igd"' --cfg 'feature="igd"' -C metadata=fa463ca0d3ae1a4c -C extra-filename=-fa463ca0d3ae1a4c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-46232f8a609bbfe4.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-111c9dfe3dcce4bf.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-ac7c571b800262ce.rlib --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-8bc89e7aca1501be.rlib --extern igd=/opt/rustwide/target/debug/deps/libigd-539b886b3122cfc6.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-84fac41c4b644956.rlib --extern mockall=/opt/rustwide/target/debug/deps/libmockall-4add191ed8207ea4.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-423b958feecc724b.rlib --extern tokio_test=/opt/rustwide/target/debug/deps/libtokio_test-88c1d2e07b3e2149.rlib --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-503976881697e320.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ca9fc867e548d5c4818007b307951280aaeb76760b84e91e3c06cb9ac1b50a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9fc867e548d5c4818007b307951280aaeb76760b84e91e3c06cb9ac1b50a16", kill_on_drop: false }`
[INFO] [stdout] ca9fc867e548d5c4818007b307951280aaeb76760b84e91e3c06cb9ac1b50a16