[INFO] fetching crate pallet-dapps-staking 1.3.0...
[INFO] checking pallet-dapps-staking-1.3.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate pallet-dapps-staking 1.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pallet-dapps-staking 1.3.0 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 crates.io crate pallet-dapps-staking 1.3.0
[INFO] finished tweaking crates.io crate pallet-dapps-staking 1.3.0
[INFO] tweaked toml for crates.io crate pallet-dapps-staking 1.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded derive_more v0.14.1
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ce3b9c84541736d5a7bc7d680364a8119190c6848ef452c5463423bfe17e770
[INFO] running `Command { std: "docker" "start" "-a" "1ce3b9c84541736d5a7bc7d680364a8119190c6848ef452c5463423bfe17e770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce3b9c84541736d5a7bc7d680364a8119190c6848ef452c5463423bfe17e770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce3b9c84541736d5a7bc7d680364a8119190c6848ef452c5463423bfe17e770", kill_on_drop: false }`
[INFO] [stdout] 1ce3b9c84541736d5a7bc7d680364a8119190c6848ef452c5463423bfe17e770
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f820142d8a56c863256e38fdcaf2e47f8d3a08199b6794c39e9afd0f74149247
[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" "f820142d8a56c863256e38fdcaf2e47f8d3a08199b6794c39e9afd0f74149247", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking pwasm-utils v0.14.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sp-panic-handler v2.0.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking trie-db v0.22.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[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-1.0.72/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=5950fd329f8d4a0d -C extra-filename=-5950fd329f8d4a0d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-223cc1bf4c7d615f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9c9c6fb7ecc8d1ce.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-44670c754cca1080.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" "f820142d8a56c863256e38fdcaf2e47f8d3a08199b6794c39e9afd0f74149247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f820142d8a56c863256e38fdcaf2e47f8d3a08199b6794c39e9afd0f74149247", kill_on_drop: false }`
[INFO] [stdout] f820142d8a56c863256e38fdcaf2e47f8d3a08199b6794c39e9afd0f74149247