[INFO] fetching crate sc-informant 0.9.0...
[INFO] testing sc-informant-0.9.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate sc-informant 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sc-informant 0.9.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-informant 0.9.0
[INFO] finished tweaking crates.io crate sc-informant 0.9.0
[INFO] tweaked toml for crates.io crate sc-informant 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", 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] 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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d9fb9fec80f2287ea086a751b74644b4f7616e37c4ecba56c54eed2fee4ed3e
[INFO] running `Command { std: "docker" "start" "-a" "5d9fb9fec80f2287ea086a751b74644b4f7616e37c4ecba56c54eed2fee4ed3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d9fb9fec80f2287ea086a751b74644b4f7616e37c4ecba56c54eed2fee4ed3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9fb9fec80f2287ea086a751b74644b4f7616e37c4ecba56c54eed2fee4ed3e", kill_on_drop: false }`
[INFO] [stdout] 5d9fb9fec80f2287ea086a751b74644b4f7616e37c4ecba56c54eed2fee4ed3e
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa39b1605f153b4dcd4d755aba9aedcf739597fb46d3e42ef746b46d2cff641
[INFO] running `Command { std: "docker" "start" "-a" "cfa39b1605f153b4dcd4d755aba9aedcf739597fb46d3e42ef746b46d2cff641", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling sp-std v3.0.0
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling environmental v1.1.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling ip_network v0.3.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling linked_hash_set v0.1.4
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling block-cipher v0.8.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling stream-cipher v0.7.1
[INFO] [stderr]    Compiling aes-soft v0.5.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling pbkdf2 v0.4.0
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.74/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"' --cfg 'feature="visit-mut"' -C metadata=76978bdd0008ad63 -C extra-filename=-76978bdd0008ad63 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-376c1207aae7a50d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f3ab575684e10127.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.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" "cfa39b1605f153b4dcd4d755aba9aedcf739597fb46d3e42ef746b46d2cff641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa39b1605f153b4dcd4d755aba9aedcf739597fb46d3e42ef746b46d2cff641", kill_on_drop: false }`
[INFO] [stdout] cfa39b1605f153b4dcd4d755aba9aedcf739597fb46d3e42ef746b46d2cff641