[INFO] fetching crate etcd-client 0.7.2...
[INFO] testing etcd-client-0.7.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate etcd-client 0.7.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate etcd-client 0.7.2 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 etcd-client 0.7.2
[INFO] finished tweaking crates.io crate etcd-client 0.7.2
[INFO] tweaked toml for crates.io crate etcd-client 0.7.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate etcd-client 0.7.2 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 redox_syscall v0.2.7
[INFO] [stderr]   Downloaded tokio-io-timeout v1.1.1
[INFO] [stderr]   Downloaded async-stream-impl v0.3.1
[INFO] [stderr]   Downloaded tonic-build v0.5.2
[INFO] [stderr]   Downloaded async-stream v0.3.1
[INFO] [stderr]   Downloaded syn v1.0.71
[INFO] [stderr]   Downloaded tonic v0.5.2
[INFO] [stderr]   Downloaded hyper-timeout v0.4.1
[INFO] [stderr]   Downloaded tower v0.4.8
[INFO] [stderr]   Downloaded visible v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 339a2b33341b140ec9ae90f2ae4ade2d2584b5ca0cdaf2ecc2becaa229875244
[INFO] running `Command { std: "docker" "start" "-a" "339a2b33341b140ec9ae90f2ae4ade2d2584b5ca0cdaf2ecc2becaa229875244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339a2b33341b140ec9ae90f2ae4ade2d2584b5ca0cdaf2ecc2becaa229875244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339a2b33341b140ec9ae90f2ae4ade2d2584b5ca0cdaf2ecc2becaa229875244", kill_on_drop: false }`
[INFO] [stdout] 339a2b33341b140ec9ae90f2ae4ade2d2584b5ca0cdaf2ecc2becaa229875244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] d88f6576544310ecbf2d35376bc12dc89b40bdcc0f6052f630bbc567509476bf
[INFO] running `Command { std: "docker" "start" "-a" "d88f6576544310ecbf2d35376bc12dc89b40bdcc0f6052f630bbc567509476bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.1
[INFO] [stderr]    Compiling async-stream v0.3.1
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling tonic-build v0.5.2
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-io-timeout v1.1.1
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling etcd-client v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling tonic v0.5.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "d88f6576544310ecbf2d35376bc12dc89b40bdcc0f6052f630bbc567509476bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88f6576544310ecbf2d35376bc12dc89b40bdcc0f6052f630bbc567509476bf", kill_on_drop: false }`
[INFO] [stdout] d88f6576544310ecbf2d35376bc12dc89b40bdcc0f6052f630bbc567509476bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da58eba1df34fce5c3c13b00240647d2db3feb4eead0c3fb7928fca2be8e9cf
[INFO] running `Command { std: "docker" "start" "-a" "2da58eba1df34fce5c3c13b00240647d2db3feb4eead0c3fb7928fca2be8e9cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling etcd-client v0.7.2 (/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 maintenance --edition=2018 examples/maintenance.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f99a5e059e9aabfe -C extra-filename=-f99a5e059e9aabfe --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern etcd_client=/opt/rustwide/target/debug/deps/libetcd_client-ea5ff4344bb26519.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-d95d268fff00d4d9.rlib --extern prost=/opt/rustwide/target/debug/deps/libprost-6792324243939c1f.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-44bce10fd624b030.rlib --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-b681adba16baaa4e.rlib --extern tonic=/opt/rustwide/target/debug/deps/libtonic-6fd6b0e387348613.rlib --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-6f9cbeafd8b373de.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" "2da58eba1df34fce5c3c13b00240647d2db3feb4eead0c3fb7928fca2be8e9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da58eba1df34fce5c3c13b00240647d2db3feb4eead0c3fb7928fca2be8e9cf", kill_on_drop: false }`
[INFO] [stdout] 2da58eba1df34fce5c3c13b00240647d2db3feb4eead0c3fb7928fca2be8e9cf