[INFO] fetching crate monacoin 0.23.0... [INFO] testing monacoin-0.23.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate monacoin 0.23.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate monacoin 0.23.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.44.0" "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] 63bd4b599054f253cbb2bfb014d04c20e3811c61dc05ea08c772318d8f518551 [INFO] running `"docker" "start" "-a" "63bd4b599054f253cbb2bfb014d04c20e3811c61dc05ea08c772318d8f518551"` [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 keccak v0.1.0 [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 v0.6.5 [INFO] [stderr] Compiling block-cipher-trait v0.6.2 [INFO] [stderr] Compiling pbkdf2 v0.3.0 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling groestl v0.8.0 [INFO] [stderr] Compiling threefish-cipher v0.3.1 [INFO] [stderr] Compiling sha3 v0.8.2 [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 36.73s [INFO] running `"docker" "inspect" "63bd4b599054f253cbb2bfb014d04c20e3811c61dc05ea08c772318d8f518551"` [INFO] running `"docker" "rm" "-f" "63bd4b599054f253cbb2bfb014d04c20e3811c61dc05ea08c772318d8f518551"` [INFO] [stdout] 63bd4b599054f253cbb2bfb014d04c20e3811c61dc05ea08c772318d8f518551 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.44.0" "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] 1c3ecac3845e8140763974220307cdb23865eb363c4dd3c79846dfe1a961abcf [INFO] running `"docker" "start" "-a" "1c3ecac3845e8140763974220307cdb23865eb363c4dd3c79846dfe1a961abcf"` [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 -C debuginfo=2 --test -C metadata=d01dbbbac2cc331f -C extra-filename=-d01dbbbac2cc331f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bech32=/opt/rustwide/target/debug/deps/libbech32-ffb267197272b816.rlib --extern bitcoin_hashes=/opt/rustwide/target/debug/deps/libbitcoin_hashes-1f72d4557c952f4e.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-f9323026746a00b0.rlib --extern lyra2=/opt/rustwide/target/debug/deps/liblyra2-fe87b605248200d1.rlib --extern scrypt=/opt/rustwide/target/debug/deps/libscrypt-fa946c1977b8232d.rlib --extern secp256k1=/opt/rustwide/target/debug/deps/libsecp256k1-8fa474d50de79735.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-6d1f3ddd4751ef91.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-25b6380b21b881d1.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-bf6d66ddb34eb454.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/secp256k1-sys-2019b66c1144569f/out` (signal: 9, SIGKILL: kill) [INFO] running `"docker" "inspect" "1c3ecac3845e8140763974220307cdb23865eb363c4dd3c79846dfe1a961abcf"` [INFO] running `"docker" "rm" "-f" "1c3ecac3845e8140763974220307cdb23865eb363c4dd3c79846dfe1a961abcf"` [INFO] [stdout] 1c3ecac3845e8140763974220307cdb23865eb363c4dd3c79846dfe1a961abcf