[INFO] crate grin_chain 2.1.0 is already in cache
[INFO] checking grin_chain-2.1.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate grin_chain 2.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate grin_chain 2.1.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grin_chain 2.1.0
[INFO] finished tweaking crates.io crate grin_chain 2.1.0
[INFO] tweaked toml for crates.io crate grin_chain 2.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] f6725f7e2f705cec1218c638ada074c2ed8b31ca7e99bd974948de2ece102f33
[INFO] running `"docker" "start" "-a" "f6725f7e2f705cec1218c638ada074c2ed8b31ca7e99bd974948de2ece102f33"`
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.7
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]     Checking grin_util v2.1.0
[INFO] [stderr]     Checking grin_keychain v2.1.0
[INFO] [stderr]    Compiling croaring-sys v0.3.9
[INFO] [stderr]     Checking croaring v0.3.9
[INFO] [stderr]     Checking grin_core v2.1.0
[INFO] [stderr]     Checking grin_store v2.1.0
[INFO] [stderr]     Checking grin_chain v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/txhashset/txhashset.rs:917:53
[INFO] [stderr]     |
[INFO] [stderr] 917 |     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[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/txhashset/txhashset.rs:1137:14
[INFO] [stderr]      |
[INFO] [stderr] 1137 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/txhashset/txhashset.rs:1161:14
[INFO] [stderr]      |
[INFO] [stderr] 1161 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/txhashset/txhashset.rs:917:53
[INFO] [stderr]     |
[INFO] [stderr] 917 |     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[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/txhashset/txhashset.rs:1137:14
[INFO] [stderr]      |
[INFO] [stderr] 1137 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/txhashset/txhashset.rs:1161:14
[INFO] [stderr]      |
[INFO] [stderr] 1161 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `"docker" "inspect" "f6725f7e2f705cec1218c638ada074c2ed8b31ca7e99bd974948de2ece102f33"`
[INFO] running `"docker" "rm" "-f" "f6725f7e2f705cec1218c638ada074c2ed8b31ca7e99bd974948de2ece102f33"`
[INFO] [stdout] f6725f7e2f705cec1218c638ada074c2ed8b31ca7e99bd974948de2ece102f33