[INFO] fetching crate rlink-connector-files 0.5.0...
[INFO] testing rlink-connector-files-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rlink-connector-files 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rlink-connector-files 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlink-connector-files 0.5.0
[INFO] finished tweaking crates.io crate rlink-connector-files 0.5.0
[INFO] tweaked toml for crates.io crate rlink-connector-files 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a981032e96bee42b9e89f8c05a357c7caf21fc0705ff29c3a041710062f1453d
[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" "a981032e96bee42b9e89f8c05a357c7caf21fc0705ff29c3a041710062f1453d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a981032e96bee42b9e89f8c05a357c7caf21fc0705ff29c3a041710062f1453d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a981032e96bee42b9e89f8c05a357c7caf21fc0705ff29c3a041710062f1453d", kill_on_drop: false }`
[INFO] [stdout] a981032e96bee42b9e89f8c05a357c7caf21fc0705ff29c3a041710062f1453d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df383a3b8f9db8e9606413ac2be34ff20724d08b00dd7f47c98d50efdf781cec
[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" "df383a3b8f9db8e9606413ac2be34ff20724d08b00dd7f47c98d50efdf781cec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling metrics v0.14.2
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling atomic-shim v0.1.0
[INFO] [stderr]    Compiling mysql v20.1.0
[INFO] [stderr]    Compiling sysinfo v0.17.5
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling parquet v4.4.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.2
[INFO] [stderr]    Compiling murmur3 v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]    Compiling raw-cpuid v9.1.1
[INFO] [stderr]    Compiling serbuffer v1.3.3
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling rlink-derive v0.3.0
[INFO] [stderr]    Compiling metrics-macros v0.2.0
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rust_decimal v1.15.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling flatbuffers v0.8.4
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling brotli v3.3.2
[INFO] [stderr]    Compiling lexical v5.2.2
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling quanta v0.7.2
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling thread-id v4.0.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling dns-lookup v1.0.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling parquet-format v2.6.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling metrics-util v0.6.2
[INFO] [stderr]    Compiling twox-hash v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling daggy v0.7.0
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling arrow v4.4.0
[INFO] [stderr]    Compiling log4rs v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling mysql_common v0.24.1
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.11.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="winapi"' -C metadata=56675a8f85ec9667 -C extra-filename=-56675a8f85ec9667 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-4fa0ff79bd79c8a4.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-bcc097ad0ad2427e.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-0f592fda00c64810.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-17fb3d3d307157c2.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-439a2dc782835c43.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-eca84dd3ea8e853e.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-fd447cde0c5e1346.so --cap-lints allow --cap-lints=warn --cfg tokio_track_caller` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "df383a3b8f9db8e9606413ac2be34ff20724d08b00dd7f47c98d50efdf781cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df383a3b8f9db8e9606413ac2be34ff20724d08b00dd7f47c98d50efdf781cec", kill_on_drop: false }`
[INFO] [stdout] df383a3b8f9db8e9606413ac2be34ff20724d08b00dd7f47c98d50efdf781cec