[INFO] cloning repository https://github.com/zakimal/substratekitties
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zakimal/substratekitties" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakimal%2Fsubstratekitties", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakimal%2Fsubstratekitties'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b603654414ca4260dd65115759baf0b32bfbe7e
[INFO] checking zakimal/substratekitties against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzakimal%2Fsubstratekitties" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zakimal/substratekitties on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zakimal/substratekitties
[INFO] finished tweaking git repo https://github.com/zakimal/substratekitties
[INFO] tweaked toml for git repo https://github.com/zakimal/substratekitties written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zakimal/substratekitties already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c2eafa90197cbd6e2c2abb2aec83c457846eb7aae357f6e258f973e305c11c3
[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" "5c2eafa90197cbd6e2c2abb2aec83c457846eb7aae357f6e258f973e305c11c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c2eafa90197cbd6e2c2abb2aec83c457846eb7aae357f6e258f973e305c11c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2eafa90197cbd6e2c2abb2aec83c457846eb7aae357f6e258f973e305c11c3", kill_on_drop: false }`
[INFO] [stdout] 5c2eafa90197cbd6e2c2abb2aec83c457846eb7aae357f6e258f973e305c11c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46af7b95c38f9ffd8e1fcfa1fe9c1fe85275c026cc9ce6c3418c562ab7e4738e
[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" "46af7b95c38f9ffd8e1fcfa1fe9c1fe85275c026cc9ce6c3418c562ab7e4738e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
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[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/paritytech/substrate.git?rev=c5077d1e4526e8290090cad54d8c18eb819a8cfe#c5077d1e)
[INFO] [stderr]    Compiling sr-io v0.1.0 (https://github.com/paritytech/substrate.git?rev=c5077d1e4526e8290090cad54d8c18eb819a8cfe#c5077d1e)
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling snow v0.5.1
[INFO] [stderr]    Compiling sr-sandbox v0.1.0 (https://github.com/paritytech/substrate.git?rev=c5077d1e4526e8290090cad54d8c18eb819a8cfe#c5077d1e)
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling cexpr v0.3.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.15.26
[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 digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking fixed-hash v0.3.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking http v0.1.15
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parity-codec v3.0.0
[INFO] [stderr]     Checking impl-serde v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ctr v0.3.0
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rw-stream-sink v0.1.0
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.3
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking parity-ws v0.8.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[INFO] [stderr]     Checking aio-limited v0.1.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking unsigned-varint v0.2.2
[INFO] [stderr]     Checking primitive-types v0.2.1
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking substrate-serializer v0.1.0 (https://github.com/paritytech/substrate.git?rev=c5077d1e4526e8290090cad54d8c18eb819a8cfe#c5077d1e)
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking exit-future v0.1.3
[INFO] [stderr]     Checking multistream-select v0.3.0
[INFO] [stderr]     Checking twox-hash v1.1.2
[INFO] [stderr]     Checking trie-db v0.11.0
[INFO] [stderr]     Checking parity-multihash v0.1.0
[INFO] [stderr]     Checking yamux v0.1.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.26/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=317b7b10f21dab14 -C extra-filename=-317b7b10f21dab14 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1f00f94aad50bb6e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b72dee49bb619911.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.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" "46af7b95c38f9ffd8e1fcfa1fe9c1fe85275c026cc9ce6c3418c562ab7e4738e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46af7b95c38f9ffd8e1fcfa1fe9c1fe85275c026cc9ce6c3418c562ab7e4738e", kill_on_drop: false }`
[INFO] [stdout] 46af7b95c38f9ffd8e1fcfa1fe9c1fe85275c026cc9ce6c3418c562ab7e4738e