[INFO] cloning repository https://github.com/polka-domain/polka-domain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polka-domain/polka-domain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolka-domain%2Fpolka-domain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolka-domain%2Fpolka-domain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ef6facd47061a54a67043500c6f313196d4f2c3
[INFO] testing polka-domain/polka-domain against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolka-domain%2Fpolka-domain" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/polka-domain/polka-domain on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/polka-domain/polka-domain
[INFO] finished tweaking git repo https://github.com/polka-domain/polka-domain
[INFO] tweaked toml for git repo https://github.com/polka-domain/polka-domain written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/polka-domain/polka-domain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/cumulus`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate`
[INFO] [stderr]     Updating git repository `https://github.com/open-web3-stack/open-runtime-module-library`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/polkadot`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/grandpa-bridge-gadget`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57cf2a6b9f88eaf287ba6984a9edeeb61612d52c7a8a8610aac771fe2c3f8205
[INFO] running `Command { std: "docker" "start" "-a" "57cf2a6b9f88eaf287ba6984a9edeeb61612d52c7a8a8610aac771fe2c3f8205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57cf2a6b9f88eaf287ba6984a9edeeb61612d52c7a8a8610aac771fe2c3f8205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57cf2a6b9f88eaf287ba6984a9edeeb61612d52c7a8a8610aac771fe2c3f8205", kill_on_drop: false }`
[INFO] [stdout] 57cf2a6b9f88eaf287ba6984a9edeeb61612d52c7a8a8610aac771fe2c3f8205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ec226e57df2b1c189a9e55e50bd158f43ba01a09e9bddcdc0d92be53e102ba5
[INFO] running `Command { std: "docker" "start" "-a" "5ec226e57df2b1c189a9e55e50bd158f43ba01a09e9bddcdc0d92be53e102ba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
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[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]    Compiling smallvec v1.6.1
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.3.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/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="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=c39dff430ac81ac9 -C extra-filename=-c39dff430ac81ac9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --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" "5ec226e57df2b1c189a9e55e50bd158f43ba01a09e9bddcdc0d92be53e102ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec226e57df2b1c189a9e55e50bd158f43ba01a09e9bddcdc0d92be53e102ba5", kill_on_drop: false }`
[INFO] [stdout] 5ec226e57df2b1c189a9e55e50bd158f43ba01a09e9bddcdc0d92be53e102ba5
