[INFO] crate etcd-client 0.5.3 is already in cache
[INFO] testing etcd-client-0.5.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate etcd-client 0.5.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate etcd-client 0.5.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate etcd-client 0.5.3
[INFO] finished tweaking crates.io crate etcd-client 0.5.3
[INFO] tweaked toml for crates.io crate etcd-client 0.5.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate etcd-client 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 980365af5a7e77d6cfc16e45f5f110f0d41714d93e9f932370fe1b43884955b1
[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" "980365af5a7e77d6cfc16e45f5f110f0d41714d93e9f932370fe1b43884955b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "980365af5a7e77d6cfc16e45f5f110f0d41714d93e9f932370fe1b43884955b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980365af5a7e77d6cfc16e45f5f110f0d41714d93e9f932370fe1b43884955b1", kill_on_drop: false }`
[INFO] [stdout] 980365af5a7e77d6cfc16e45f5f110f0d41714d93e9f932370fe1b43884955b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35577b790acd85bf43b9fc395df8d5cdedde9200b0521e928985ebf5b7295f8c
[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" "35577b790acd85bf43b9fc395df8d5cdedde9200b0521e928985ebf5b7295f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.5
[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-types v0.6.1
[INFO] [stderr]    Compiling tonic-build v0.2.0
[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-timeout v0.3.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling etcd-client v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling tonic v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "35577b790acd85bf43b9fc395df8d5cdedde9200b0521e928985ebf5b7295f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35577b790acd85bf43b9fc395df8d5cdedde9200b0521e928985ebf5b7295f8c", kill_on_drop: false }`
[INFO] [stdout] 35577b790acd85bf43b9fc395df8d5cdedde9200b0521e928985ebf5b7295f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe1e945161930dc8dd8c9da345a4cb3fc2f60492294c3b4a3fec9078a364cf7f
[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" "fe1e945161930dc8dd8c9da345a4cb3fc2f60492294c3b4a3fec9078a364cf7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling etcd-client v0.5.3 (/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 -Cembed-bitcode=no -C debuginfo=2 -C metadata=48381de00ae8f584 -C extra-filename=-48381de00ae8f584 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern etcd_client=/opt/rustwide/target/debug/deps/libetcd_client-0269933652f5729b.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-841deba4c0e7d78b.rlib --extern prost=/opt/rustwide/target/debug/deps/libprost-56bfbeed4abf8543.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7d871c0287804f58.rlib --extern tonic=/opt/rustwide/target/debug/deps/libtonic-59d1269f50d0d220.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" "fe1e945161930dc8dd8c9da345a4cb3fc2f60492294c3b4a3fec9078a364cf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1e945161930dc8dd8c9da345a4cb3fc2f60492294c3b4a3fec9078a364cf7f", kill_on_drop: false }`
[INFO] [stdout] fe1e945161930dc8dd8c9da345a4cb3fc2f60492294c3b4a3fec9078a364cf7f