[INFO] cloning repository https://github.com/gnunicorn/gather
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnunicorn/gather" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fgather", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fgather'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8b4c8ac31bd6fcbf3b9892371414714a600cbcf
[INFO] checking gnunicorn/gather against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fgather" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnunicorn/gather on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnunicorn/gather
[INFO] finished tweaking git repo https://github.com/gnunicorn/gather
[INFO] tweaked toml for git repo https://github.com/gnunicorn/gather written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/gnunicorn/gather already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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/substrate`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/parity-common`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v0.10.1
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded sysinfo v0.9.5
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded clang-sys v0.26.4
[INFO] [stderr]   Downloaded integer-encoding v1.0.7
[INFO] [stderr]   Downloaded lettre_email v0.9.2
[INFO] [stderr]   Downloaded jsonrpc-http-server v13.2.0
[INFO] [stderr]   Downloaded arc-swap v0.4.3
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.53
[INFO] [stderr]   Downloaded ed25519-dalek v0.9.1
[INFO] [stderr]   Downloaded lettre v0.9.2
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded snow v0.5.2
[INFO] [stderr]   Downloaded libp2p-mdns v0.12.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.12.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.4.0
[INFO] [stderr]   Downloaded ipnet v2.0.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.12.0
[INFO] [stderr]   Downloaded libp2p v0.12.0
[INFO] [stderr]   Downloaded static_slice v0.0.3
[INFO] [stderr]   Downloaded trie-db v0.15.2
[INFO] [stderr]   Downloaded libp2p-core-derive v0.12.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.12.0
[INFO] [stderr]   Downloaded cid v0.3.1
[INFO] [stderr]   Downloaded jsonrpc-core v13.2.0
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.2
[INFO] [stderr]   Downloaded finality-grandpa v0.9.1
[INFO] [stderr]   Downloaded libp2p-websocket v0.12.0
[INFO] [stderr]   Downloaded libp2p-core v0.12.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.0.3
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.5.0
[INFO] [stderr]   Downloaded libp2p-kad v0.12.0
[INFO] [stderr]   Downloaded static_assertions v1.0.0
[INFO] [stderr]   Downloaded smallvec v0.6.12
[INFO] [stderr]   Downloaded wasmi-validation v0.2.0
[INFO] [stderr]   Downloaded bindgen v0.47.3
[INFO] [stderr]   Downloaded libsecp256k1 v0.2.2
[INFO] [stderr]   Downloaded primitive-types v0.5.1
[INFO] [stderr]   Downloaded js-sys v0.3.30
[INFO] [stderr]   Downloaded parity-scale-codec v1.0.6
[INFO] [stderr]   Downloaded aio-limited v0.1.1
[INFO] [stderr]   Downloaded hmac-drbg v0.1.2
[INFO] [stderr]   Downloaded parity-wasm v0.40.3
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded jsonrpc-derive v13.2.0
[INFO] [stderr]   Downloaded multistream-select v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.53
[INFO] [stderr]   Downloaded jsonrpc-server-utils v13.2.0
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded handlebars v2.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.53
[INFO] [stderr]   Downloaded web-sys v0.3.30
[INFO] [stderr]   Downloaded jsonrpc-client-transports v13.2.0
[INFO] [stderr]   Downloaded libp2p-ping v0.12.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.12.0
[INFO] [stderr]   Downloaded fixed-hash v0.4.0
[INFO] [stderr]   Downloaded libp2p-dns v0.12.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.12.0
[INFO] [stderr]   Downloaded bitvec v0.14.0
[INFO] [stderr]   Downloaded rocksdb v0.11.0
[INFO] [stderr]   Downloaded slog_derive v0.1.1
[INFO] [stderr]   Downloaded libp2p-identify v0.12.0
[INFO] [stderr]   Downloaded libp2p-secio v0.12.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.53
[INFO] [stderr]   Downloaded ahash v0.2.17
[INFO] [stderr]   Downloaded num_cpus v1.11.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.53
[INFO] [stderr]   Downloaded unicode-segmentation v1.5.0
[INFO] [stderr]   Downloaded static_assertions v0.2.5
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.53
[INFO] [stderr]   Downloaded jsonrpc-pubsub v13.2.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v13.2.0
[INFO] [stderr]   Downloaded wasmi v0.5.1
[INFO] [stderr]   Downloaded libp2p-noise v0.10.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v13.2.0
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded substrate-wasm-builder-runner v1.0.4
[INFO] [stderr]   Downloaded libp2p-swarm v0.2.0
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.12.0
[INFO] [stderr]   Downloaded tokio-rustls v0.10.0-alpha.4
[INFO] [stderr]   Downloaded libp2p-uds v0.12.0
[INFO] [stderr]   Downloaded librocksdb-sys v5.18.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b40d2fb4058cb18c3457f5e6233cd2a8181b7f49cd5a696dc98906a80ebe05e2
[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" "b40d2fb4058cb18c3457f5e6233cd2a8181b7f49cd5a696dc98906a80ebe05e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b40d2fb4058cb18c3457f5e6233cd2a8181b7f49cd5a696dc98906a80ebe05e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40d2fb4058cb18c3457f5e6233cd2a8181b7f49cd5a696dc98906a80ebe05e2", kill_on_drop: false }`
[INFO] [stdout] b40d2fb4058cb18c3457f5e6233cd2a8181b7f49cd5a696dc98906a80ebe05e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 374e27514f231675ad4fb99de1393073ebb315657ae0d28ee18837f57ee9dfb5
[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" "374e27514f231675ad4fb99de1393073ebb315657ae0d28ee18837f57ee9dfb5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking static_assertions v1.0.0
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking zeroize v0.10.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.53
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.53
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking ipnet v2.0.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling substrate-consensus-slots v2.0.0 (https://github.com/paritytech/substrate#17aab52a)
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]    Compiling sysinfo v0.9.5
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking integer-encoding v1.0.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking wasmi-validation v0.2.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling gather-runtime v2.0.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr] error: could not compile `unicode-normalization`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name unicode_normalization /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode-normalization-0.1.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=41496cf1c0a2646f -C extra-filename=-41496cf1c0a2646f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-b80569c62c552594.rmeta --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" "374e27514f231675ad4fb99de1393073ebb315657ae0d28ee18837f57ee9dfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374e27514f231675ad4fb99de1393073ebb315657ae0d28ee18837f57ee9dfb5", kill_on_drop: false }`
[INFO] [stdout] 374e27514f231675ad4fb99de1393073ebb315657ae0d28ee18837f57ee9dfb5