[INFO] fetching crate frame-system-benchmarking 2.0.0...
[INFO] checking frame-system-benchmarking-2.0.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate frame-system-benchmarking 2.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate frame-system-benchmarking 2.0.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98c40f705dfec4342fff1201d061b0acc7028161ff7f52c8c99688209f2c02e1
[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" "98c40f705dfec4342fff1201d061b0acc7028161ff7f52c8c99688209f2c02e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c40f705dfec4342fff1201d061b0acc7028161ff7f52c8c99688209f2c02e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c40f705dfec4342fff1201d061b0acc7028161ff7f52c8c99688209f2c02e1", kill_on_drop: false }`
[INFO] [stdout] 98c40f705dfec4342fff1201d061b0acc7028161ff7f52c8c99688209f2c02e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec1855af7e4f3bf4f8ee7b9f777e9ae9f4ef91888828c0e167feff417a0b7a2e
[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" "ec1855af7e4f3bf4f8ee7b9f777e9ae9f4ef91888828c0e167feff417a0b7a2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[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 rustc-demangle v0.1.17
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking environmental v1.1.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[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]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking hmac v0.7.1
[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 wasmi-validation v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking sp-panic-handler v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling ref-cast-impl v1.0.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.6
[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]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking ref-cast v1.0.2
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.13
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling frame-support-procedural-tools v2.0.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.2
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0
[INFO] [stderr]    Compiling frame-support-procedural v2.0.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-storage v2.0.0
[INFO] [stderr]     Checking sp-tracing v2.0.0
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0
[INFO] [stderr]     Checking sp-arithmetic v2.0.0
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking sp-externalities v0.8.0
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking sp-core v2.0.0
[INFO] [stderr]     Checking sp-trie v2.0.0
[INFO] [stderr]     Checking sp-inherents v2.0.0
[INFO] [stderr]     Checking frame-metadata v12.0.0
[INFO] [stderr]     Checking sp-state-machine v0.8.0
[INFO] [stderr]     Checking sp-io v2.0.0
[INFO] [stderr]     Checking sp-application-crypto v2.0.0
[INFO] [stderr]     Checking sp-runtime v2.0.0
[INFO] [stderr]     Checking sp-version v2.0.0
[INFO] [stderr]     Checking frame-support v2.0.0
[INFO] [stderr]     Checking sp-api v2.0.0
[INFO] [stderr]     Checking frame-system v2.0.0
[INFO] [stderr]     Checking frame-benchmarking v2.0.0
[INFO] [stderr]     Checking frame-system-benchmarking v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sp_io`
[INFO] [stdout]   --> src/mock.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn new_test_ext() -> sp_io::TestExternalities {
[INFO] [stdout]    |                          ^^^^^ use of undeclared crate or module `sp_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sp_io`
[INFO] [stdout]   --> src/mock.rs:85:2
[INFO] [stdout]    |
[INFO] [stdout] 85 |     sp_io::TestExternalities::new(t)
[INFO] [stdout]    |     ^^^^^ use of undeclared crate or module `sp_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `frame-system-benchmarking`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec1855af7e4f3bf4f8ee7b9f777e9ae9f4ef91888828c0e167feff417a0b7a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1855af7e4f3bf4f8ee7b9f777e9ae9f4ef91888828c0e167feff417a0b7a2e", kill_on_drop: false }`
[INFO] [stdout] ec1855af7e4f3bf4f8ee7b9f777e9ae9f4ef91888828c0e167feff417a0b7a2e