[INFO] fetching crate monacoin 0.23.0... [INFO] testing monacoin-0.23.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate monacoin 0.23.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate monacoin 0.23.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate monacoin 0.23.0 [INFO] finished tweaking crates.io crate monacoin 0.23.0 [INFO] tweaked toml for crates.io crate monacoin 0.23.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lyra2 v0.2.1 [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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 575a21f5ba13a9f67142c0bcbd0b5bc75aa7fe307465b0ea97a73089b8fed08e [INFO] running `"docker" "start" "-a" "575a21f5ba13a9f67142c0bcbd0b5bc75aa7fe307465b0ea97a73089b8fed08e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling bech32 v0.7.2 [INFO] [stderr] Compiling bitcoin_hashes v0.7.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling block-cipher-trait v0.6.2 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling groestl v0.8.0 [INFO] [stderr] Compiling pbkdf2 v0.3.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling threefish-cipher v0.3.1 [INFO] [stderr] Compiling scrypt v0.2.0 [INFO] [stderr] Compiling skein-hash v0.3.0 [INFO] [stderr] Compiling blake-hash v0.3.2 [INFO] [stderr] Compiling lyra2 v0.2.1 [INFO] [stderr] Compiling secp256k1-sys v0.1.2 [INFO] [stderr] Compiling secp256k1 v0.17.2 [INFO] [stderr] Compiling monacoin v0.23.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/network/mod.rs:50:89 [INFO] [stderr] | [INFO] [stderr] 50 | Error::SocketMutexPoisoned | Error::SocketNotConnectedToPeer => f.write_str(error::Error::description(self)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` 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/blockdata/script.rs:108:21 [INFO] [stderr] | [INFO] [stderr] 108 | f.write_str(error::Error::description(self)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:80:79 [INFO] [stderr] | [INFO] [stderr] 80 | Error::BlockBadProofOfWork | Error::BlockBadTarget => f.write_str(error::Error::description(self)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/amount.rs:105:20 [INFO] [stderr] | [INFO] [stderr] 105 | let desc = ::std::error::Error::description(self); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/bip32.rs:396:36 [INFO] [stderr] | [INFO] [stderr] 396 | Error::Ecdsa(ref e) => error::Error::description(e), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:56:64 [INFO] [stderr] | [INFO] [stderr] 56 | Error::InvalidKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:57:66 [INFO] [stderr] | [INFO] [stderr] 57 | Error::DuplicateKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:58:119 [INFO] [stderr] | [INFO] [stderr] 58 | Error::UnexpectedUnsignedTx { expected: ref e, actual: ref a } => write!(f, "{}: expected {}, actual {}", error::Error::description(self), e.txid(), a.txid()), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:59:75 [INFO] [stderr] | [INFO] [stderr] 59 | Error::NonStandardSigHashType(ref sht) => write!(f, "{}: {}", error::Error::description(self), sht), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:65:49 [INFO] [stderr] | [INFO] [stderr] 65 | | Error::NoMorePairs => f.write_str(error::Error::description(self)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/network/mod.rs:65:35 [INFO] [stderr] | [INFO] [stderr] 65 | Error::Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:96:39 [INFO] [stderr] | [INFO] [stderr] 96 | Error::Encode(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:97:40 [INFO] [stderr] | [INFO] [stderr] 97 | Error::Network(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scale_factor` [INFO] [stderr] --> src/blockdata/transaction.rs:402:31 [INFO] [stderr] | [INFO] [stderr] 402 | fn get_size_scaled(&self, scale_factor: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scale_factor` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.57s [INFO] running `"docker" "inspect" "575a21f5ba13a9f67142c0bcbd0b5bc75aa7fe307465b0ea97a73089b8fed08e"` [INFO] running `"docker" "rm" "-f" "575a21f5ba13a9f67142c0bcbd0b5bc75aa7fe307465b0ea97a73089b8fed08e"` [INFO] [stdout] 575a21f5ba13a9f67142c0bcbd0b5bc75aa7fe307465b0ea97a73089b8fed08e [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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5e46b697415a04e6b3849561d75378b5e7e00fd8cec8e2ce3f03dfb3a7c9b899 [INFO] running `"docker" "start" "-a" "5e46b697415a04e6b3849561d75378b5e7e00fd8cec8e2ce3f03dfb3a7c9b899"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling serde_test v1.0.111 [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/network/mod.rs:50:89 [INFO] [stderr] | [INFO] [stderr] 50 | Error::SocketMutexPoisoned | Error::SocketNotConnectedToPeer => f.write_str(error::Error::description(self)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` 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/blockdata/script.rs:108:21 [INFO] [stderr] | [INFO] [stderr] 108 | f.write_str(error::Error::description(self)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:80:79 [INFO] [stderr] | [INFO] [stderr] 80 | Error::BlockBadProofOfWork | Error::BlockBadTarget => f.write_str(error::Error::description(self)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/amount.rs:105:20 [INFO] [stderr] | [INFO] [stderr] 105 | let desc = ::std::error::Error::description(self); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/bip32.rs:396:36 [INFO] [stderr] | [INFO] [stderr] 396 | Error::Ecdsa(ref e) => error::Error::description(e), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:56:64 [INFO] [stderr] | [INFO] [stderr] 56 | Error::InvalidKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:57:66 [INFO] [stderr] | [INFO] [stderr] 57 | Error::DuplicateKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:58:119 [INFO] [stderr] | [INFO] [stderr] 58 | Error::UnexpectedUnsignedTx { expected: ref e, actual: ref a } => write!(f, "{}: expected {}, actual {}", error::Error::description(self), e.txid(), a.txid()), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:59:75 [INFO] [stderr] | [INFO] [stderr] 59 | Error::NonStandardSigHashType(ref sht) => write!(f, "{}: {}", error::Error::description(self), sht), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:65:49 [INFO] [stderr] | [INFO] [stderr] 65 | | Error::NoMorePairs => f.write_str(error::Error::description(self)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/network/mod.rs:65:35 [INFO] [stderr] | [INFO] [stderr] 65 | Error::Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:96:39 [INFO] [stderr] | [INFO] [stderr] 96 | Error::Encode(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:97:40 [INFO] [stderr] | [INFO] [stderr] 97 | Error::Network(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scale_factor` [INFO] [stderr] --> src/blockdata/transaction.rs:402:31 [INFO] [stderr] | [INFO] [stderr] 402 | fn get_size_scaled(&self, scale_factor: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scale_factor` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling monacoin v0.23.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/network/mod.rs:50:89 [INFO] [stderr] | [INFO] [stderr] 50 | Error::SocketMutexPoisoned | Error::SocketNotConnectedToPeer => f.write_str(error::Error::description(self)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` 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/blockdata/script.rs:108:21 [INFO] [stderr] | [INFO] [stderr] 108 | f.write_str(error::Error::description(self)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:80:79 [INFO] [stderr] | [INFO] [stderr] 80 | Error::BlockBadProofOfWork | Error::BlockBadTarget => f.write_str(error::Error::description(self)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/amount.rs:105:20 [INFO] [stderr] | [INFO] [stderr] 105 | let desc = ::std::error::Error::description(self); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/bip32.rs:396:36 [INFO] [stderr] | [INFO] [stderr] 396 | Error::Ecdsa(ref e) => error::Error::description(e), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:56:64 [INFO] [stderr] | [INFO] [stderr] 56 | Error::InvalidKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:57:66 [INFO] [stderr] | [INFO] [stderr] 57 | Error::DuplicateKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:58:119 [INFO] [stderr] | [INFO] [stderr] 58 | Error::UnexpectedUnsignedTx { expected: ref e, actual: ref a } => write!(f, "{}: expected {}, actual {}", error::Error::description(self), e.txid(), a.txid()), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:59:75 [INFO] [stderr] | [INFO] [stderr] 59 | Error::NonStandardSigHashType(ref sht) => write!(f, "{}: {}", error::Error::description(self), sht), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/psbt/error.rs:65:49 [INFO] [stderr] | [INFO] [stderr] 65 | | Error::NoMorePairs => f.write_str(error::Error::description(self)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/network/mod.rs:65:35 [INFO] [stderr] | [INFO] [stderr] 65 | Error::Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:96:39 [INFO] [stderr] | [INFO] [stderr] 96 | Error::Encode(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/util/mod.rs:97:40 [INFO] [stderr] | [INFO] [stderr] 97 | Error::Network(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scale_factor` [INFO] [stderr] --> src/blockdata/transaction.rs:402:31 [INFO] [stderr] | [INFO] [stderr] 402 | fn get_size_scaled(&self, scale_factor: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scale_factor` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error: could not compile `monacoin`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name monacoin src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=11b0451d67e81dd6 -C extra-filename=-11b0451d67e81dd6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bech32=/opt/rustwide/target/debug/deps/libbech32-f5848672f07ce4fe.rlib --extern bitcoin_hashes=/opt/rustwide/target/debug/deps/libbitcoin_hashes-3f045a15ca2c8cdc.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-98b7dad590581454.rlib --extern lyra2=/opt/rustwide/target/debug/deps/liblyra2-99a5549382f91fd9.rlib --extern scrypt=/opt/rustwide/target/debug/deps/libscrypt-45a6b99bc106f2f0.rlib --extern secp256k1=/opt/rustwide/target/debug/deps/libsecp256k1-b43926dac6f66ceb.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-2c908979b3c6b0b1.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a74da33c90a1aedd.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-b90522e1b765a28b.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/secp256k1-sys-7957a9353d8236a7/out` (signal: 9, SIGKILL: kill) [INFO] running `"docker" "inspect" "5e46b697415a04e6b3849561d75378b5e7e00fd8cec8e2ce3f03dfb3a7c9b899"` [INFO] running `"docker" "rm" "-f" "5e46b697415a04e6b3849561d75378b5e7e00fd8cec8e2ce3f03dfb3a7c9b899"` [INFO] [stdout] 5e46b697415a04e6b3849561d75378b5e7e00fd8cec8e2ce3f03dfb3a7c9b899