[INFO] fetching crate frame-system-benchmarking 2.0.0...
[INFO] checking frame-system-benchmarking-2.0.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate frame-system-benchmarking 2.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate frame-system-benchmarking 2.0.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frame-system-benchmarking 2.0.0
[INFO] finished tweaking crates.io crate frame-system-benchmarking 2.0.0
[INFO] tweaked toml for crates.io crate frame-system-benchmarking 2.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded frame-benchmarking v2.0.0
[INFO] [stderr]   Downloaded statrs v0.10.0
[INFO] [stderr]   Downloaded linregress v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57736c80dfaa6565f2bf7ed1824523914d9ba6641080c68ba11d45a2b75be69f
[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" "57736c80dfaa6565f2bf7ed1824523914d9ba6641080c68ba11d45a2b75be69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57736c80dfaa6565f2bf7ed1824523914d9ba6641080c68ba11d45a2b75be69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57736c80dfaa6565f2bf7ed1824523914d9ba6641080c68ba11d45a2b75be69f", kill_on_drop: false }`
[INFO] [stdout] 57736c80dfaa6565f2bf7ed1824523914d9ba6641080c68ba11d45a2b75be69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45c1f7eb2c050f174f543787362f2ca52e2d8499189e49128e8c505ec36c1ec2
[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" "45c1f7eb2c050f174f543787362f2ca52e2d8499189e49128e8c505ec36c1ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking sp-std v2.0.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking environmental v1.1.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking sp-panic-handler v2.0.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[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 matchers v0.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking alga v0.9.3
[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 v1.0.117
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0
[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 -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="matrixmultiply"' --cfg 'feature="std"' -C metadata=b947d7a25734d736 -C extra-filename=-b947d7a25734d736 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-62795a3b8bb03c75.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-894b42bb3276f1aa.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-42d54078a8e97205.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-eda43a039fa2babc.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-f1dfd4dbaf77e23d.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-829f06ac517a6dad.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-d84035984b922642.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8aa75e454b6b92d1.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-49681cb3a11b6934.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" "45c1f7eb2c050f174f543787362f2ca52e2d8499189e49128e8c505ec36c1ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c1f7eb2c050f174f543787362f2ca52e2d8499189e49128e8c505ec36c1ec2", kill_on_drop: false }`
[INFO] [stdout] 45c1f7eb2c050f174f543787362f2ca52e2d8499189e49128e8c505ec36c1ec2