[INFO] fetching crate cuckoo_miner 0.5.2... [INFO] checking cuckoo_miner-0.5.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] finished tweaking crates.io crate cuckoo_miner 0.5.2 [INFO] tweaked toml for crates.io crate cuckoo_miner 0.5.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 2296e57145d6070bb68c76c2e16e1b5695b764d7265c5eebd2952b038a57cf19 [INFO] running `"docker" "start" "-a" "2296e57145d6070bb68c76c2e16e1b5695b764d7265c5eebd2952b038a57cf19"` [INFO] [stderr] Checking slog v2.1.1 [INFO] [stderr] Compiling fs_extra v1.1.0 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking const-cstr v0.2.1 [INFO] [stderr] Checking blake2-rfc v0.2.18 [INFO] [stderr] Checking slog-term v2.4.1 [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking grin_miner_plugin v0.5.2 [INFO] [stderr] Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `sanity::Finder` [INFO] [stderr] --> src/build.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use sanity::Finder; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Finder` [INFO] [stderr] --> src/sanity.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | pub struct Finder { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/sanity.rs:34:2 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn new() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `maybe_have` [INFO] [stderr] --> src/sanity.rs:41:2 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn maybe_have>(&mut self, cmd: S) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Checking grin_miner_util v0.5.2 [INFO] [stderr] warning: unused variable: `pl` [INFO] [stderr] --> tests/plugins.rs:156:15 [INFO] [stderr] | [INFO] [stderr] 156 | fn run_solver(pl: &PluginLibrary, params: SolverParams) { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_pl` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `params` [INFO] [stderr] --> tests/plugins.rs:156:35 [INFO] [stderr] | [INFO] [stderr] 156 | fn run_solver(pl: &PluginLibrary, params: SolverParams) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_params` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `T4_GENESIS_PROOF` [INFO] [stderr] --> tests/common/mod.rs:37:1 [INFO] [stderr] | [INFO] [stderr] 37 | / pub const T4_GENESIS_PROOF:[u64; 42] = [ [INFO] [stderr] 38 | | 0x46f3b4, 0x1135f8c, 0x1a1596f, 0x1e10f71, 0x41c03ea, 0x63fe8e7, 0x65af34f, [INFO] [stderr] 39 | | 0x73c16d3, 0x8216dc3, 0x9bc75d0, 0xae7d9ad, 0xc1cb12b, 0xc65e957, 0xf67a152, [INFO] [stderr] 40 | | 0xfac6559, 0x100c3d71, 0x11eea08b, 0x1225dfbb, 0x124d61a1, 0x132a14b4, 0x13f4ec38, [INFO] [stderr] 41 | | 0x1542d236, 0x155f2df0, 0x1577394e, 0x163c3513, 0x19349845, 0x19d46953, 0x19f65ed4, [INFO] [stderr] 42 | | 0x1a0411b9, 0x1a2fa039, 0x1a72a06c, 0x1b02ddd2, 0x1b594d59, 0x1b7bffd3, 0x1befe12e, [INFO] [stderr] 43 | | 0x1c82e4cd, 0x1d492478, 0x1de132a5, 0x1e578b3c, 0x1ed96855, 0x1f222896, 0x1fea0da6]; [INFO] [stderr] | |____________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `T4_GENESIS_PREPOW` [INFO] [stderr] --> tests/common/mod.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / pub const T4_GENESIS_PREPOW:&str = "00010000000000000000000000005bc794c0fffffffff\ [INFO] [stderr] 29 | | fffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000\ [INFO] [stderr] 30 | | 00000000000000000000000000000000000000000000000000000000000000000000000000000\ [INFO] [stderr] 31 | | 00000000000000000000000000000000000000000000000000000000000000000000000000000\ [INFO] [stderr] 32 | | 00000000000000000000000000000000000000000000000000000000000000000000000000000\ [INFO] [stderr] 33 | | 00000000000000000000000000000000000000000000000000000000000000000000000000000\ [INFO] [stderr] 34 | | 000000000000000000000000000000001c5200000007407784d410a210b1ba"; [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `T4_GENESIS_PROOF` [INFO] [stderr] --> tests/common/mod.rs:37:1 [INFO] [stderr] | [INFO] [stderr] 37 | / pub const T4_GENESIS_PROOF:[u64; 42] = [ [INFO] [stderr] 38 | | 0x46f3b4, 0x1135f8c, 0x1a1596f, 0x1e10f71, 0x41c03ea, 0x63fe8e7, 0x65af34f, [INFO] [stderr] 39 | | 0x73c16d3, 0x8216dc3, 0x9bc75d0, 0xae7d9ad, 0xc1cb12b, 0xc65e957, 0xf67a152, [INFO] [stderr] 40 | | 0xfac6559, 0x100c3d71, 0x11eea08b, 0x1225dfbb, 0x124d61a1, 0x132a14b4, 0x13f4ec38, [INFO] [stderr] 41 | | 0x1542d236, 0x155f2df0, 0x1577394e, 0x163c3513, 0x19349845, 0x19d46953, 0x19f65ed4, [INFO] [stderr] 42 | | 0x1a0411b9, 0x1a2fa039, 0x1a72a06c, 0x1b02ddd2, 0x1b594d59, 0x1b7bffd3, 0x1befe12e, [INFO] [stderr] 43 | | 0x1c82e4cd, 0x1d492478, 0x1de132a5, 0x1e578b3c, 0x1ed96855, 0x1f222896, 0x1fea0da6]; [INFO] [stderr] | |____________________________________________________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mining_plugin_dir_for_tests` [INFO] [stderr] --> tests/common/mod.rs:46:1 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn mining_plugin_dir_for_tests() -> PathBuf { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mine_async_for_duration` [INFO] [stderr] --> tests/common/mod.rs:61:1 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn mine_async_for_duration(configs: &Vec, duration_in_seconds: i64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `CUCKATOO_29_SOL` [INFO] [stderr] --> tests/plugins.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | / const CUCKATOO_29_SOL: [u64; 42] = [ [INFO] [stderr] 33 | | 0x48a9e2, 0x9cf043, 0x155ca30, 0x18f4783, 0x248f86c, 0x2629a64, 0x5bad752, 0x72e3569, [INFO] [stderr] 34 | | 0x93db760, 0x97d3b37, 0x9e05670, 0xa315d5a, 0xa3571a1, 0xa48db46, 0xa7796b6, 0xac43611, [INFO] [stderr] 35 | | 0xb64912f, 0xbb6c71e, 0xbcc8be1, 0xc38a43a, 0xd4faa99, 0xe018a66, 0xe37e49c, 0xfa975fa, [INFO] [stderr] ... | [INFO] [stderr] 38 | | 0x1c05d5b0, 0x1c0b9caa, [INFO] [stderr] 39 | | ]; [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `from_hex_string` [INFO] [stderr] --> tests/plugins.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | fn from_hex_string(in_str: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_mutating` [INFO] [stderr] --> tests/plugins.rs:119:1 [INFO] [stderr] | [INFO] [stderr] 119 | fn test_mutating(pl: &PluginLibrary, mut params: SolverParams) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_t4_genesis` [INFO] [stderr] --> tests/plugins.rs:139:1 [INFO] [stderr] | [INFO] [stderr] 139 | fn test_t4_genesis(pl: &PluginLibrary, mut params: SolverParams) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.70s [INFO] running `"docker" "inspect" "2296e57145d6070bb68c76c2e16e1b5695b764d7265c5eebd2952b038a57cf19"` [INFO] running `"docker" "rm" "-f" "2296e57145d6070bb68c76c2e16e1b5695b764d7265c5eebd2952b038a57cf19"` [INFO] [stdout] 2296e57145d6070bb68c76c2e16e1b5695b764d7265c5eebd2952b038a57cf19