[INFO] cloning repository https://github.com/lindlof/polkarug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lindlof/polkarug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flindlof%2Fpolkarug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flindlof%2Fpolkarug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d69725655c99d728a2374c371aab5440a3e8edc7
[INFO] checking lindlof/polkarug against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flindlof%2Fpolkarug" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lindlof/polkarug on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lindlof/polkarug
[INFO] finished tweaking git repo https://github.com/lindlof/polkarug
[INFO] tweaked toml for git repo https://github.com/lindlof/polkarug written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lindlof/polkarug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-yamux v0.30.1
[INFO] [stderr]   Downloaded asynchronous-codec v0.6.0
[INFO] [stderr]   Downloaded cid v0.6.1
[INFO] [stderr]   Downloaded lru v0.6.5
[INFO] [stderr]   Downloaded fs-swap v0.2.6
[INFO] [stderr]   Downloaded handlebars v3.5.4
[INFO] [stderr]   Downloaded libp2p-mdns v0.28.1
[INFO] [stderr]   Downloaded bitvec v0.20.2
[INFO] [stderr]   Downloaded parity-db v0.2.3
[INFO] [stderr]   Downloaded wat v1.0.36
[INFO] [stderr]   Downloaded libp2p-kad v0.28.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.27.1
[INFO] [stderr]   Downloaded libp2p-plaintext v0.27.1
[INFO] [stderr]   Downloaded libp2p-tcp v0.27.1
[INFO] [stderr]   Downloaded frame-benchmarking v3.1.0
[INFO] [stderr]   Downloaded yamux v0.8.1
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded parity-scale-codec v2.0.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.0.1
[INFO] [stderr]   Downloaded memoffset v0.6.2
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded minicbor v0.7.2
[INFO] [stderr]   Downloaded wast v35.0.1
[INFO] [stderr]   Downloaded libp2p-request-response v0.9.1
[INFO] [stderr]   Downloaded libp2p-core v0.27.1
[INFO] [stderr]   Downloaded minicbor-derive v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c120a5da058a5ba96e2807f7a9774f340001116afd457209de8cee2046710bdc
[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" "c120a5da058a5ba96e2807f7a9774f340001116afd457209de8cee2046710bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c120a5da058a5ba96e2807f7a9774f340001116afd457209de8cee2046710bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c120a5da058a5ba96e2807f7a9774f340001116afd457209de8cee2046710bdc", kill_on_drop: false }`
[INFO] [stdout] c120a5da058a5ba96e2807f7a9774f340001116afd457209de8cee2046710bdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726c2d26572be62cd318da2cc90f11f59e6d397614d96ba91824995f150ba9aa
[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" "726c2d26572be62cd318da2cc90f11f59e6d397614d96ba91824995f150ba9aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.72
[INFO] [stderr]    Compiling signal-hook v0.3.7
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.72
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling memoffset v0.6.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking wast v35.0.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking fs-swap v0.2.6
[INFO] [stderr]     Checking memmap2 v0.2.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking fdlimit v0.2.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.23/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="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=4fc315958e360e1e -C extra-filename=-4fc315958e360e1e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "726c2d26572be62cd318da2cc90f11f59e6d397614d96ba91824995f150ba9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726c2d26572be62cd318da2cc90f11f59e6d397614d96ba91824995f150ba9aa", kill_on_drop: false }`
[INFO] [stdout] 726c2d26572be62cd318da2cc90f11f59e6d397614d96ba91824995f150ba9aa