[INFO] crate pallet-identity 2.0.0-rc4 is already in cache
[INFO] checking pallet-identity-2.0.0-rc4 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate pallet-identity 2.0.0-rc4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pallet-identity 2.0.0-rc4 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-identity 2.0.0-rc4
[INFO] finished tweaking crates.io crate pallet-identity 2.0.0-rc4
[INFO] tweaked toml for crates.io crate pallet-identity 2.0.0-rc4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a87db2a0e619b8724bb147d107aa1f3ff0926f216a5c15e0a9280ca8842642
[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" "d6a87db2a0e619b8724bb147d107aa1f3ff0926f216a5c15e0a9280ca8842642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a87db2a0e619b8724bb147d107aa1f3ff0926f216a5c15e0a9280ca8842642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a87db2a0e619b8724bb147d107aa1f3ff0926f216a5c15e0a9280ca8842642", kill_on_drop: false }`
[INFO] [stdout] d6a87db2a0e619b8724bb147d107aa1f3ff0926f216a5c15e0a9280ca8842642
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 312cf7a17eeceab0d6f37392927b1ced79b63b1ea3f1603f588d900d15c8072b
[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" "312cf7a17eeceab0d6f37392927b1ced79b63b1ea3f1603f588d900d15c8072b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-rc5
[INFO] [stderr]    Compiling ref-cast-impl v1.0.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-rc5
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr] error: could not compile `nalgebra`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nalgebra --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.18.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="matrixmultiply"' --cfg 'feature="std"' -C metadata=2e52739fc5605117 -C extra-filename=-2e52739fc5605117 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-180fde257189802b.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-590186a8801c6a1d.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-c6337da4289faef0.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-bb6b49ad9cf5cc5d.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-c34630d64e4077c3.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-8519fb519b9db8ac.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-fefb8d754ff3bd65.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ee27c20c1adfe15b.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-5564b931d1706476.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" "312cf7a17eeceab0d6f37392927b1ced79b63b1ea3f1603f588d900d15c8072b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312cf7a17eeceab0d6f37392927b1ced79b63b1ea3f1603f588d900d15c8072b", kill_on_drop: false }`
[INFO] [stdout] 312cf7a17eeceab0d6f37392927b1ced79b63b1ea3f1603f588d900d15c8072b