[INFO] fetching crate parity-secp256k1 0.7.0...
[INFO] checking parity-secp256k1-0.7.0 against master#52b605c8cb2f730e607de0777a694cd1b9bb3e15 for pr-72622
[INFO] extracting crate parity-secp256k1 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate parity-secp256k1 0.7.0 on toolchain 52b605c8cb2f730e607de0777a694cd1b9bb3e15
[INFO] running `"/workspace/cargo-home/bin/cargo" "+52b605c8cb2f730e607de0777a694cd1b9bb3e15" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate parity-secp256k1 0.7.0
[INFO] finished tweaking crates.io crate parity-secp256k1 0.7.0
[INFO] tweaked toml for crates.io crate parity-secp256k1 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+52b605c8cb2f730e607de0777a694cd1b9bb3e15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+52b605c8cb2f730e607de0777a694cd1b9bb3e15" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+52b605c8cb2f730e607de0777a694cd1b9bb3e15" "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] 3b33b1e03f99090cda8f7c40e696baf1a2e2bd8e876b7747ef0a885b2dc21216
[INFO] running `"docker" "start" "-a" "3b33b1e03f99090cda8f7c40e696baf1a2e2bd8e876b7747ef0a885b2dc21216"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling parity-secp256k1 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:331:21
[INFO] [stderr]     |
[INFO] [stderr] 331 |         f.write_str(error::Error::description(self))
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/key.rs:436:13
[INFO] [stderr]     |
[INFO] [stderr] 436 |             ((hi as u64) << 32 | lo as u64)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:331:21
[INFO] [stderr]     |
[INFO] [stderr] 331 |         f.write_str(error::Error::description(self))
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `"docker" "inspect" "3b33b1e03f99090cda8f7c40e696baf1a2e2bd8e876b7747ef0a885b2dc21216"`
[INFO] running `"docker" "rm" "-f" "3b33b1e03f99090cda8f7c40e696baf1a2e2bd8e876b7747ef0a885b2dc21216"`
[INFO] [stdout] 3b33b1e03f99090cda8f7c40e696baf1a2e2bd8e876b7747ef0a885b2dc21216