[INFO] fetching crate pallet-babe 2.0.0-alpha.6...
[INFO] testing pallet-babe-2.0.0-alpha.6 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate pallet-babe 2.0.0-alpha.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pallet-babe 2.0.0-alpha.6 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-babe 2.0.0-alpha.6
[INFO] finished tweaking crates.io crate pallet-babe 2.0.0-alpha.6
[INFO] tweaked toml for crates.io crate pallet-babe 2.0.0-alpha.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 783d617dcf514ca8534d546d469ea7ee65e6a8c2a8be37c4b08313e1d76f902b
[INFO] running `"docker" "start" "-a" "783d617dcf514ca8534d546d469ea7ee65e6a8c2a8be37c4b08313e1d76f902b"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling sp-std v2.0.0-alpha.6
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
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[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling prost-build v0.6.1
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[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sp-panic-handler v2.0.0-alpha.6
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling sha2 v0.8.1
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[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling fixed-hash v0.6.0
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling wasmi v0.6.2
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling trie-db v0.20.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-alpha.6
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-alpha.6
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling libp2p-core-derive v0.18.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling paste v0.1.10
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling merlin v2.0.0
[INFO] [stderr]    Compiling tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling substrate-bip39 v0.4.1
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling wasm-timer v0.2.4
[INFO] [stderr]    Compiling multistream-select v0.8.0
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling sp-utils v2.0.0-alpha.6
[INFO] [stderr]    Compiling libp2p-core v0.18.0
[INFO] [stderr]    Compiling linregress v0.1.7
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling impl-serde v0.3.0
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling parity-multiaddr v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling sp-storage v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-externalities v0.8.0-alpha.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling futures-diagnose v1.0.1
[INFO] [stderr]    Compiling frame-support-procedural-tools v2.0.0-alpha.6
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-support-procedural v2.0.0-alpha.6
[INFO] [stderr]    Compiling libp2p-swarm v0.18.1
[INFO] [stderr]    Compiling parity-scale-codec v1.3.0
[INFO] [stderr]    Compiling libp2p v0.18.1
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling sp-wasm-interface v2.0.0-alpha.6
[INFO] [stderr]    Compiling primitive-types v0.7.0
[INFO] [stderr]    Compiling sp-runtime-interface v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-arithmetic v2.0.0-alpha.6
[INFO] [stderr]    Compiling memory-db v0.20.1
[INFO] [stderr]    Compiling sp-core v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-trie v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-inherents v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-metadata v11.0.0-alpha.6
[INFO] [stderr]    Compiling sp-state-machine v0.8.0-alpha.6
[INFO] [stderr]    Compiling sp-io v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-application-crypto v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-runtime v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-version v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-support v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-consensus-vrf v0.8.0-alpha.6
[INFO] [stderr]    Compiling sp-staking v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-api v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-consensus v0.8.0-alpha.6
[INFO] [stderr]    Compiling sp-timestamp v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-system v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-consensus-babe v0.8.0-alpha.6
[INFO] [stderr]    Compiling frame-benchmarking v2.0.0-alpha.6
[INFO] [stderr]    Compiling pallet-timestamp v2.0.0-alpha.6
[INFO] [stderr]    Compiling pallet-session v2.0.0-alpha.6
[INFO] [stderr]    Compiling pallet-babe v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10m 15s
[INFO] running `"docker" "inspect" "783d617dcf514ca8534d546d469ea7ee65e6a8c2a8be37c4b08313e1d76f902b"`
[INFO] running `"docker" "rm" "-f" "783d617dcf514ca8534d546d469ea7ee65e6a8c2a8be37c4b08313e1d76f902b"`
[INFO] [stdout] 783d617dcf514ca8534d546d469ea7ee65e6a8c2a8be37c4b08313e1d76f902b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f7cd50f04273015268c6e70b7daa8533dfde3997f2e03d496765ca553f79e86
[INFO] running `"docker" "start" "-a" "2f7cd50f04273015268c6e70b7daa8533dfde3997f2e03d496765ca553f79e86"`
[INFO] [stderr]    Compiling pallet-babe v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `sp_core`
[INFO] [stderr]   --> src/mock.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use sp_core::H256;
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed
[INFO] [stderr]   --> src/tests.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |             &Default::default(),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stderr]    |
[INFO] [stderr]    = note: cannot satisfy `_: std::default::Default`
[INFO] [stderr]    = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed
[INFO] [stderr]    --> src/mock.rs:119:26
[INFO] [stderr]     |
[INFO] [stderr] 119 |     System::initialize(&n, &Default::default(), &Default::default(), &pre_digest, InitKind::Full);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `_: std::default::Default`
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0283, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `pallet-babe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2f7cd50f04273015268c6e70b7daa8533dfde3997f2e03d496765ca553f79e86"`
[INFO] running `"docker" "rm" "-f" "2f7cd50f04273015268c6e70b7daa8533dfde3997f2e03d496765ca553f79e86"`
[INFO] [stdout] 2f7cd50f04273015268c6e70b7daa8533dfde3997f2e03d496765ca553f79e86