[INFO] fetching crate pallet-session-benchmarking 2.0.0-rc2...
[INFO] checking pallet-session-benchmarking-2.0.0-rc2 against try#71b81291baafb8a58836272757b28817fe1d8190 for pr-73102
[INFO] extracting crate pallet-session-benchmarking 2.0.0-rc2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pallet-session-benchmarking 2.0.0-rc2 on toolchain 71b81291baafb8a58836272757b28817fe1d8190
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-session-benchmarking 2.0.0-rc2
[INFO] finished tweaking crates.io crate pallet-session-benchmarking 2.0.0-rc2
[INFO] tweaked toml for crates.io crate pallet-session-benchmarking 2.0.0-rc2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pallet-staking v2.0.0-rc3
[INFO] [stderr]   Downloaded sp-npos-elections-compact v2.0.0-rc3
[INFO] [stderr]   Downloaded sp-npos-elections v2.0.0-rc3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c3faf43245d0ee422317f2a8d034b7e5d2a08cf0fd0ad4d247c38fd6e34ba1f
[INFO] running `"docker" "start" "-a" "4c3faf43245d0ee422317f2a8d034b7e5d2a08cf0fd0ad4d247c38fd6e34ba1f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.0-rc3
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-rc3
[INFO] [stderr]     Checking trie-db v0.20.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking parity-scale-codec v1.3.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-externalities v0.8.0-rc3
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc3
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc3
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking sp-npos-elections v2.0.0-rc3
[INFO] [stderr]     Checking parity-util-mem v0.6.1
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc3
[INFO] [stderr]     Checking memory-db v0.20.1
[INFO] [stderr]     Checking sp-core v2.0.0-rc3
[INFO] [stderr]     Checking sp-trie v2.0.0-rc3
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc3
[INFO] [stderr]     Checking frame-metadata v11.0.0-rc3
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc3
[INFO] [stderr]     Checking sp-io v2.0.0-rc3
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc3
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc3
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking sp-version v2.0.0-rc3
[INFO] [stderr]     Checking frame-support v2.0.0-rc3
[INFO] [stderr]     Checking sp-staking v2.0.0-rc3
[INFO] [stderr]     Checking sp-authorship v2.0.0-rc3
[INFO] [stderr]     Checking sp-api v2.0.0-rc3
[INFO] [stderr]     Checking sp-timestamp v2.0.0-rc3
[INFO] [stderr]     Checking sp-session v2.0.0-rc3
[INFO] [stderr]     Checking frame-system v2.0.0-rc3
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-rc3
[INFO] [stderr]     Checking pallet-authorship v2.0.0-rc3
[INFO] [stderr]     Checking pallet-timestamp v2.0.0-rc3
[INFO] [stderr]     Checking pallet-session v2.0.0-rc3
[INFO] [stderr]     Checking pallet-staking v2.0.0-rc3
[INFO] [stderr]     Checking pallet-session-benchmarking v2.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not find `parity-scale-codec` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]   --> src/mock.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / impl_outer_dispatch! {
[INFO] [stderr] 40 | |     pub enum Call for Test where origin: Origin {
[INFO] [stderr] 41 | |         pallet_staking::Staking,
[INFO] [stderr] 42 | |     }
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: Could not find `parity-scale-codec` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]   --> src/mock.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / impl_outer_dispatch! {
[INFO] [stderr] 40 | |     pub enum Call for Test where origin: Origin {
[INFO] [stderr] 41 | |         pallet_staking::Staking,
[INFO] [stderr] 42 | |     }
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `serde`
[INFO] [stderr]    --> src/mock.rs:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | / sp_runtime::impl_opaque_keys! {
[INFO] [stderr] 110 | |     pub struct SessionKeys {
[INFO] [stderr] 111 | |         pub foo: sp_runtime::testing::UintAuthorityId,
[INFO] [stderr] 112 | |     }
[INFO] [stderr] 113 | | }
[INFO] [stderr]     | |_^ can't find crate
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `pallet-session-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 `"docker" "inspect" "4c3faf43245d0ee422317f2a8d034b7e5d2a08cf0fd0ad4d247c38fd6e34ba1f"`
[INFO] running `"docker" "rm" "-f" "4c3faf43245d0ee422317f2a8d034b7e5d2a08cf0fd0ad4d247c38fd6e34ba1f"`
[INFO] [stdout] 4c3faf43245d0ee422317f2a8d034b7e5d2a08cf0fd0ad4d247c38fd6e34ba1f