[INFO] fetching crate sp-keystore 0.9.0...
[INFO] checking sp-keystore-0.9.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate sp-keystore 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sp-keystore 0.9.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-keystore 0.9.0
[INFO] finished tweaking crates.io crate sp-keystore 0.9.0
[INFO] tweaked toml for crates.io crate sp-keystore 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38864742331b7eba95f382b2dd655d150b4bb6a2fc21cb67341c04611ddd841b
[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" "38864742331b7eba95f382b2dd655d150b4bb6a2fc21cb67341c04611ddd841b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38864742331b7eba95f382b2dd655d150b4bb6a2fc21cb67341c04611ddd841b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38864742331b7eba95f382b2dd655d150b4bb6a2fc21cb67341c04611ddd841b", kill_on_drop: false }`
[INFO] [stdout] 38864742331b7eba95f382b2dd655d150b4bb6a2fc21cb67341c04611ddd841b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c756c941b432df0f7ac5bf9986f576866802d8770e35846732b28bb5a71e1b
[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" "a1c756c941b432df0f7ac5bf9986f576866802d8770e35846732b28bb5a71e1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking sp-keystore v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand_chacha`
[INFO] [stdout]   --> src/vrf.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use rand_chacha::{
[INFO] [stdout]    |         ^^^^^^^^^^^ use of undeclared crate or module `rand_chacha`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/vrf.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use rand::RngCore;
[INFO] [stdout]    |         ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand_chacha`
[INFO] [stdout]   --> src/vrf.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use rand_chacha::{
[INFO] [stdout]    |         ^^^^^^^^^^^ use of undeclared crate or module `rand_chacha`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fill_bytes` found for struct `TranscriptRng` in the current scope
[INFO] [stdout]    --> src/vrf.rs:96:6
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 .fill_bytes(&mut b);
[INFO] [stdout]     |                  ^^^^^^^^^^ method not found in `TranscriptRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.5.1/src/lib.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn fill_bytes(&mut self, dest: &mut [u8]);
[INFO] [stdout]     |        ---------- the method is available for `Box<TranscriptRng>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use rand_core::RngCore;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sp-keystore`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a1c756c941b432df0f7ac5bf9986f576866802d8770e35846732b28bb5a71e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c756c941b432df0f7ac5bf9986f576866802d8770e35846732b28bb5a71e1b", kill_on_drop: false }`
[INFO] [stdout] a1c756c941b432df0f7ac5bf9986f576866802d8770e35846732b28bb5a71e1b