[INFO] fetching crate rumq-client 0.1.0-alpha.10...
[INFO] testing rumq-client-0.1.0-alpha.10 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rumq-client 0.1.0-alpha.10 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rumq-client 0.1.0-alpha.10 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 rumq-client 0.1.0-alpha.10
[INFO] finished tweaking crates.io crate rumq-client 0.1.0-alpha.10
[INFO] tweaked toml for crates.io crate rumq-client 0.1.0-alpha.10 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rumq-client 0.1.0-alpha.10 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5400201f40d5a4d3261ab70831f9d99bf1a7844b8d0f7671bba443b81b3e03ca
[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" "5400201f40d5a4d3261ab70831f9d99bf1a7844b8d0f7671bba443b81b3e03ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5400201f40d5a4d3261ab70831f9d99bf1a7844b8d0f7671bba443b81b3e03ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5400201f40d5a4d3261ab70831f9d99bf1a7844b8d0f7671bba443b81b3e03ca", kill_on_drop: false }`
[INFO] [stdout] 5400201f40d5a4d3261ab70831f9d99bf1a7844b8d0f7671bba443b81b3e03ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 52de2e43f3760a33fa9d02f18eab5f3e2ff3ce04b8073e65eca850488d7fdb15
[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" "52de2e43f3760a33fa9d02f18eab5f3e2ff3ce04b8073e65eca850488d7fdb15", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.13.0
[INFO] [stderr]    Compiling rumq-core v0.1.0-alpha.10
[INFO] [stderr]    Compiling rumq-client v0.1.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "52de2e43f3760a33fa9d02f18eab5f3e2ff3ce04b8073e65eca850488d7fdb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52de2e43f3760a33fa9d02f18eab5f3e2ff3ce04b8073e65eca850488d7fdb15", kill_on_drop: false }`
[INFO] [stdout] 52de2e43f3760a33fa9d02f18eab5f3e2ff3ce04b8073e65eca850488d7fdb15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 450acbeea74e816ebd8a2ba95ec6e5cbe0cce1ac817aa73531c53eb466ede011
[INFO] running `Command { std: "docker" "start" "-a" "450acbeea74e816ebd8a2ba95ec6e5cbe0cce1ac817aa73531c53eb466ede011", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling findshlibs v0.5.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling goblin v0.2.1
[INFO] [stderr]    Compiling simple_asn1 v0.4.0
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling addr2line v0.11.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pem v0.7.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling color-backtrace v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling envy v0.4.1
[INFO] [stderr]    Compiling jsonwebtoken v7.1.0
[INFO] [stderr]    Compiling rumq-client v0.1.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rumq-client`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rumq_client --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=c2bf21897327e677 -C extra-filename=-c2bf21897327e677 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-1c2a9a8d35a22680.rlib --extern color_backtrace=/opt/rustwide/target/debug/deps/libcolor_backtrace-eede9dcee687eedb.rlib --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-db38eb1703ac17e7.rlib --extern envy=/opt/rustwide/target/debug/deps/libenvy-039c10b61a129c11.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-2522a8bddc9eeeb2.rlib --extern jsonwebtoken=/opt/rustwide/target/debug/deps/libjsonwebtoken-81caf55cff548035.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1761913616bdc5f1.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-c90677837f2d8f20.rlib --extern rumq_core=/opt/rustwide/target/debug/deps/librumq_core-844ae142aa7ff066.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-79ba63b03a91e180.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9109054502d7b24f.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4ce2524241fee108.rlib --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-34a48ccf1979a85d.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-128a00efd457b1ea.rlib --extern webpki=/opt/rustwide/target/debug/deps/libwebpki-789f87d983e41b30.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-baa7532ce12313dd/out -L native=/opt/rustwide/target/debug/build/ring-9dcb3cef8d217c32/out` (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" "450acbeea74e816ebd8a2ba95ec6e5cbe0cce1ac817aa73531c53eb466ede011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450acbeea74e816ebd8a2ba95ec6e5cbe0cce1ac817aa73531c53eb466ede011", kill_on_drop: false }`
[INFO] [stdout] 450acbeea74e816ebd8a2ba95ec6e5cbe0cce1ac817aa73531c53eb466ede011