[INFO] crate grin_store 2.1.0 is already in cache
[INFO] checking grin_store-2.1.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate grin_store 2.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate grin_store 2.1.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grin_store 2.1.0
[INFO] finished tweaking crates.io crate grin_store 2.1.0
[INFO] tweaked toml for crates.io crate grin_store 2.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] f6c4838bf8d90f7fa87aec02df8f4d0673434654dcd72abcdff341285b18e152
[INFO] running `"docker" "start" "-a" "f6c4838bf8d90f7fa87aec02df8f4d0673434654dcd72abcdff341285b18e152"`
[INFO] [stderr]     Checking num-bigint v0.2.5
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking grin_util v2.1.0
[INFO] [stderr]     Checking grin_keychain v2.1.0
[INFO] [stderr]     Checking grin_core v2.1.0
[INFO] [stderr]     Checking grin_store v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/pmmr.rs:113:41
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stderr]     |                                            ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/pmmr.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stderr]     |                                            ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/pmmr.rs:113:41
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stderr]     |                                            ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/pmmr.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stderr]     |                                            ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `"docker" "inspect" "f6c4838bf8d90f7fa87aec02df8f4d0673434654dcd72abcdff341285b18e152"`
[INFO] running `"docker" "rm" "-f" "f6c4838bf8d90f7fa87aec02df8f4d0673434654dcd72abcdff341285b18e152"`
[INFO] [stdout] f6c4838bf8d90f7fa87aec02df8f4d0673434654dcd72abcdff341285b18e152