[INFO] fetching crate etcd-client 0.5.4...
[INFO] testing etcd-client-0.5.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate etcd-client 0.5.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate etcd-client 0.5.4 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 etcd-client 0.5.4
[INFO] finished tweaking crates.io crate etcd-client 0.5.4
[INFO] tweaked toml for crates.io crate etcd-client 0.5.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate etcd-client 0.5.4 already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 48ed0c7ff3a5711ff9c2fa318bfc768f32681e87d81456b4cb0ecbdecff04e77
[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" "48ed0c7ff3a5711ff9c2fa318bfc768f32681e87d81456b4cb0ecbdecff04e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48ed0c7ff3a5711ff9c2fa318bfc768f32681e87d81456b4cb0ecbdecff04e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ed0c7ff3a5711ff9c2fa318bfc768f32681e87d81456b4cb0ecbdecff04e77", kill_on_drop: false }`
[INFO] [stdout] 48ed0c7ff3a5711ff9c2fa318bfc768f32681e87d81456b4cb0ecbdecff04e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0c8a9508e9e6dab47155629a953cefbe93d72dccde4a91e6a3390e833a1a5996
[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" "0c8a9508e9e6dab47155629a953cefbe93d72dccde4a91e6a3390e833a1a5996", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling etcd-client v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling tonic v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "0c8a9508e9e6dab47155629a953cefbe93d72dccde4a91e6a3390e833a1a5996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8a9508e9e6dab47155629a953cefbe93d72dccde4a91e6a3390e833a1a5996", kill_on_drop: false }`
[INFO] [stdout] 0c8a9508e9e6dab47155629a953cefbe93d72dccde4a91e6a3390e833a1a5996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f84f6b4c5593ac3355bb6dbfeb8b0e2212e10cc8053883444e1a575a4fc74787
[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" "f84f6b4c5593ac3355bb6dbfeb8b0e2212e10cc8053883444e1a575a4fc74787", kill_on_drop: false }`
[INFO] [stderr]    Compiling etcd-client v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `etcd-client`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name auth_role --edition=2018 examples/auth_role.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=7e0fbbb5150462c1 -C extra-filename=-7e0fbbb5150462c1 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern etcd_client=/opt/rustwide/target/debug/deps/libetcd_client-4dee6dd5b4596c15.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-62abdda2dfd21777.rlib --extern prost=/opt/rustwide/target/debug/deps/libprost-eac3de147eb71f3d.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4ecd672ec85e13ef.rlib --extern tonic=/opt/rustwide/target/debug/deps/libtonic-85cef32e2c8e53c4.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" "f84f6b4c5593ac3355bb6dbfeb8b0e2212e10cc8053883444e1a575a4fc74787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84f6b4c5593ac3355bb6dbfeb8b0e2212e10cc8053883444e1a575a4fc74787", kill_on_drop: false }`
[INFO] [stdout] f84f6b4c5593ac3355bb6dbfeb8b0e2212e10cc8053883444e1a575a4fc74787