[INFO] cloning repository https://github.com/paritytech/polkadot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/polkadot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea60e2db7a5270b7f0f79b0a7f029e90d5f73109
[INFO] checking paritytech/polkadot against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/polkadot on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/polkadot
[INFO] finished tweaking git repo https://github.com/paritytech/polkadot
[INFO] tweaked toml for git repo https://github.com/paritytech/polkadot written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/polkadot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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/grandpa-bridge-gadget`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethbloom v0.11.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded jemallocator v0.3.2
[INFO] [stderr]   Downloaded tracing v0.1.26
[INFO] [stderr]   Downloaded lru v0.6.6
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded derive_more v0.99.16
[INFO] [stderr]   Downloaded net2 v0.2.34
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded impl-rlp v0.3.0
[INFO] [stderr]   Downloaded tokio v0.2.21
[INFO] [stderr]   Downloaded hex-literal v0.3.3
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded ordered-float v1.1.0
[INFO] [stderr]   Downloaded cfg_aliases v0.1.1
[INFO] [stderr]   Downloaded reed-solomon-novelpoly v1.0.0
[INFO] [stderr]   Downloaded dlmalloc v0.2.1
[INFO] [stderr]   Downloaded rpassword v5.0.0
[INFO] [stderr]   Downloaded owo-colors v1.2.1
[INFO] [stderr]   Downloaded assert_cmd v1.0.2
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[INFO] [stderr]   Downloaded cpufeatures v0.1.4
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded libsecp256k1 v0.6.0
[INFO] [stderr]   Downloaded multihash v0.13.1
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded js-sys v0.3.52
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded pin-project v1.0.7
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.18
[INFO] [stderr]   Downloaded tracing-core v0.1.18
[INFO] [stderr]   Downloaded getrandom v0.2.1
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded linked_hash_set v0.1.3
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded scale-info-derive v0.7.0
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded jemalloc-ctl v0.3.3
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded rustls v0.18.0
[INFO] [stderr]   Downloaded hmac-drbg v0.3.0
[INFO] [stderr]   Downloaded block-cipher v0.7.1
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded x25519-dalek v0.6.0
[INFO] [stderr]   Downloaded pwasm-utils v0.18.0
[INFO] [stderr]   Downloaded async-trait v0.1.50
[INFO] [stderr]   Downloaded either v1.6.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded lazycell v1.2.1
[INFO] [stderr]   Downloaded snow v0.7.1
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded security-framework v2.2.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.7
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded tokio-rustls v0.14.0
[INFO] [stderr]   Downloaded aesni v0.7.0
[INFO] [stderr]   Downloaded blake2 v0.9.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.5.1
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded ctor v0.1.16
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.75
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.25
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.75
[INFO] [stderr]   Downloaded async-lock v2.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.75
[INFO] [stderr]   Downloaded async-executor v1.4.1
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded rustc_version v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded scale-info v0.10.0
[INFO] [stderr]   Downloaded sha-1 v0.9.6
[INFO] [stderr]   Downloaded multimap v0.8.1
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded async-process v1.1.0
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded once_cell v1.6.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded static_init v0.5.2
[INFO] [stderr]   Downloaded separator v0.4.1
[INFO] [stderr]   Downloaded eyre v0.6.2
[INFO] [stderr]   Downloaded memory-lru v0.1.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.7
[INFO] [stderr]   Downloaded ref-cast v1.0.2
[INFO] [stderr]   Downloaded fs-err v2.5.0
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded soketto v0.4.1
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.3
[INFO] [stderr]   Downloaded tap v1.0.0
[INFO] [stderr]   Downloaded bitvec v0.20.1
[INFO] [stderr]   Downloaded static_init_macro v0.5.0
[INFO] [stderr]   Downloaded slotmap v1.0.5
[INFO] [stderr]   Downloaded libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]   Downloaded libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded memmap2 v0.2.0
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded cid v0.6.0
[INFO] [stderr]   Downloaded ethereum-types v0.12.0
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.2
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded cpuid-bool v0.1.0
[INFO] [stderr]   Downloaded hyper v0.14.5
[INFO] [stderr]   Downloaded aes-soft v0.4.0
[INFO] [stderr]   Downloaded aes v0.4.0
[INFO] [stderr]   Downloaded polyval v0.4.0
[INFO] [stderr]   Downloaded aes-gcm v0.6.0
[INFO] [stderr]   Downloaded chacha20 v0.4.3
[INFO] [stderr]   Downloaded poly1305 v0.6.0
[INFO] [stderr]   Downloaded stream-cipher v0.4.1
[INFO] [stderr]   Downloaded multistream-select v0.10.0
[INFO] [stderr]   Downloaded multihash-derive v0.7.0
[INFO] [stderr]   Downloaded always-assert v0.1.2
[INFO] [stderr]   Downloaded mick-jaeger v0.1.4
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded h2 v0.2.5
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded libsecp256k1-core v0.2.2
[INFO] [stderr]   Downloaded enumn v0.1.3
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded pin-project-internal v0.4.23
[INFO] [stderr]   Downloaded integer-sqrt v0.1.3
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.2
[INFO] [stderr]   Downloaded signature v1.1.0
[INFO] [stderr]   Downloaded ed25519 v1.0.1
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded rlp v0.5.0
[INFO] [stderr]   Downloaded tinyvec v0.3.3
[INFO] [stderr]   Downloaded zeroize_derive v1.0.0
[INFO] [stderr]   Downloaded security-framework-sys v2.2.0
[INFO] [stderr]   Downloaded pin-project v0.4.23
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] [stderr]   Downloaded primitive-types v0.10.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78d14e65b3894c18204a7e4dd3b6bc17dc01dea866a60cb02ca7def9d5a9abf1
[INFO] running `Command { std: "docker" "start" "-a" "78d14e65b3894c18204a7e4dd3b6bc17dc01dea866a60cb02ca7def9d5a9abf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d14e65b3894c18204a7e4dd3b6bc17dc01dea866a60cb02ca7def9d5a9abf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d14e65b3894c18204a7e4dd3b6bc17dc01dea866a60cb02ca7def9d5a9abf1", kill_on_drop: false }`
[INFO] [stdout] 78d14e65b3894c18204a7e4dd3b6bc17dc01dea866a60cb02ca7def9d5a9abf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0993cdc6463075bda17493e36d037478a060ff786391d938f19480f1f215b044
[INFO] running `Command { std: "docker" "start" "-a" "0993cdc6463075bda17493e36d037478a060ff786391d938f19480f1f215b044", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "0993cdc6463075bda17493e36d037478a060ff786391d938f19480f1f215b044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0993cdc6463075bda17493e36d037478a060ff786391d938f19480f1f215b044", kill_on_drop: false }`
[INFO] [stdout] 0993cdc6463075bda17493e36d037478a060ff786391d938f19480f1f215b044