[INFO] fetching crate pallet-timestamp 2.0.0...
[INFO] checking pallet-timestamp-2.0.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate pallet-timestamp 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pallet-timestamp 2.0.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-timestamp 2.0.0
[INFO] finished tweaking crates.io crate pallet-timestamp 2.0.0
[INFO] tweaked toml for crates.io crate pallet-timestamp 2.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-timestamp v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63d2f89fef304d12348d0ad32fbb4c6e5e654f9e6ef7317d6e984704e7a507cd
[INFO] running `Command { std: "docker" "start" "-a" "63d2f89fef304d12348d0ad32fbb4c6e5e654f9e6ef7317d6e984704e7a507cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d2f89fef304d12348d0ad32fbb4c6e5e654f9e6ef7317d6e984704e7a507cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d2f89fef304d12348d0ad32fbb4c6e5e654f9e6ef7317d6e984704e7a507cd", kill_on_drop: false }`
[INFO] [stdout] 63d2f89fef304d12348d0ad32fbb4c6e5e654f9e6ef7317d6e984704e7a507cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78b96dc3772fa8ed14eae90cdfa56dcc67ce251529a045b01359d4215ddbecab
[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" "78b96dc3772fa8ed14eae90cdfa56dcc67ce251529a045b01359d4215ddbecab", kill_on_drop: false }`
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[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 once_cell v1.4.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking sp-arithmetic v2.0.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.13
[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 sp-tracing v2.0.0
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking wasm-timer v0.2.5
[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 linregress v0.1.7
[INFO] [stderr]     Checking sp-timestamp v2.0.0
[INFO] [stderr]     Checking frame-system v2.0.0
[INFO] [stderr]     Checking frame-benchmarking v2.0.0
[INFO] [stderr]     Checking pallet-timestamp v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `sp_io`
[INFO] [stdout]    --> src/lib.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 |     use sp_io::TestExternalities;
[INFO] [stdout]     |         ^^^^^ help: a similar path exists: `frame_support::sp_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sp_core`
[INFO] [stdout]    --> src/lib.rs:301:6
[INFO] [stdout]     |
[INFO] [stdout] 301 |     use sp_core::H256;
[INFO] [stdout]     |         ^^^^^^^ use of undeclared crate or module `sp_core`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-timestamp`
[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" "78b96dc3772fa8ed14eae90cdfa56dcc67ce251529a045b01359d4215ddbecab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b96dc3772fa8ed14eae90cdfa56dcc67ce251529a045b01359d4215ddbecab", kill_on_drop: false }`
[INFO] [stdout] 78b96dc3772fa8ed14eae90cdfa56dcc67ce251529a045b01359d4215ddbecab