[INFO] fetching crate cashweb-secp256k1 0.17.3...
[INFO] checking cashweb-secp256k1-0.17.3 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate cashweb-secp256k1 0.17.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cashweb-secp256k1 0.17.3 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cashweb-secp256k1 0.17.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cashweb-secp256k1 0.17.3
[INFO] tweaked toml for crates.io crate cashweb-secp256k1 0.17.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cashweb-secp256k1 0.17.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 783864806b008fc515f987fafff295c22d511a3df461766a2ddffc170ef7a6f9
[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" "783864806b008fc515f987fafff295c22d511a3df461766a2ddffc170ef7a6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783864806b008fc515f987fafff295c22d511a3df461766a2ddffc170ef7a6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783864806b008fc515f987fafff295c22d511a3df461766a2ddffc170ef7a6f9", kill_on_drop: false }`
[INFO] [stdout] 783864806b008fc515f987fafff295c22d511a3df461766a2ddffc170ef7a6f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d85d74798d7f18458b8cd1252a108693ff583ff20668c50eff43fa5fce9d49bd
[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" "d85d74798d7f18458b8cd1252a108693ff583ff20668c50eff43fa5fce9d49bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking serde_test v1.0.114
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cashweb-secp256k1-sys v0.1.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking cashweb-secp256k1 v0.17.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]    --> src/ecdh.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use Error;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.27s
[INFO] running `Command { std: "docker" "inspect" "d85d74798d7f18458b8cd1252a108693ff583ff20668c50eff43fa5fce9d49bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85d74798d7f18458b8cd1252a108693ff583ff20668c50eff43fa5fce9d49bd", kill_on_drop: false }`
[INFO] [stdout] d85d74798d7f18458b8cd1252a108693ff583ff20668c50eff43fa5fce9d49bd