[INFO] updating cached repository openzen/slpp-bitcoin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/openzen/slpp-bitcoin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/openzen/slpp-bitcoin" "work/ex/beta-1.38-1/sources/1.37.0/gh/openzen/slpp-bitcoin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/openzen/slpp-bitcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/openzen/slpp-bitcoin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/openzen/slpp-bitcoin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/openzen/slpp-bitcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4278c16a110f5dfa0690255984e2dec8334b9352
[INFO] sha for GitHub repo openzen/slpp-bitcoin: 4278c16a110f5dfa0690255984e2dec8334b9352
[INFO] validating manifest of openzen/slpp-bitcoin on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of openzen/slpp-bitcoin on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing openzen/slpp-bitcoin
[INFO] finished frobbing openzen/slpp-bitcoin
[INFO] frobbed toml for openzen/slpp-bitcoin written to work/ex/beta-1.38-1/sources/1.37.0/gh/openzen/slpp-bitcoin/Cargo.toml
[INFO] started frobbing openzen/slpp-bitcoin
[INFO] finished frobbing openzen/slpp-bitcoin
[INFO] frobbed toml for openzen/slpp-bitcoin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/openzen/slpp-bitcoin/Cargo.toml
[INFO] crate openzen/slpp-bitcoin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing openzen/slpp-bitcoin against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/openzen/slpp-bitcoin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3b591f0f9939e2b51ad6c9a53790e53b11f3b27f3f21c81193628cf2f22127d6
[INFO] running `"docker" "start" "-a" "3b591f0f9939e2b51ad6c9a53790e53b11f3b27f3f21c81193628cf2f22127d6"`
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling slpp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `data_chunk` should have an upper camel case name
[INFO] [stderr]  --> src/lib/engine/client.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type data_chunk = Vec<u8>;
[INFO] [stderr]   |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `DataChunk`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `ec_compressed` should have an upper camel case name
[INFO] [stderr]  --> src/lib/engine/client.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type ec_compressed = Vec<usize>;
[INFO] [stderr]   |          ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EcCompressed`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/lib/engine/client.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     for x in (0..EC_COMPRESSED_SIZE) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Ok(n) => match command.as_ref() {
[INFO] [stderr]    |            ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `data_chunk`
[INFO] [stderr]  --> src/lib/engine/client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type data_chunk = Vec<u8>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ec_compressed`
[INFO] [stderr]  --> src/lib/engine/client.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type ec_compressed = Vec<usize>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EC_COMPRESSED_SIZE`
[INFO] [stderr]  --> src/lib/engine/client.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const EC_COMPRESSED_SIZE: usize = 33;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u32_to_data_chunk`
[INFO] [stderr]  --> src/lib/engine/client.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn u32_to_data_chunk(value: u32) -> data_chunk {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xor`
[INFO] [stderr]   --> src/lib/engine/client.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn xor(point1: ec_compressed, point2: ec_compressed) -> ec_compressed {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `send_transaction`
[INFO] [stderr]   --> src/lib/engine/client.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn send_transaction() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `receive_transaction`
[INFO] [stderr]   --> src/lib/engine/client.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn receive_transaction() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_opening_tx`
[INFO] [stderr]   --> src/lib/engine/client.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn create_opening_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_commitment_tx`
[INFO] [stderr]   --> src/lib/engine/client.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn create_commitment_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `uint32_to_data_chunk`
[INFO] [stderr]  --> src/lib/engine/node.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn uint32_to_data_chunk() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `send_transaction`
[INFO] [stderr]  --> src/lib/engine/node.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn send_transaction() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `receive_transaction`
[INFO] [stderr]  --> src/lib/engine/node.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn receive_transaction() -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xor`
[INFO] [stderr]  --> src/lib/engine/node.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn xor() -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_it_tx_in_blockchain`
[INFO] [stderr]   --> src/lib/engine/node.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn is_it_tx_in_blockchain() -> isize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_all_prev_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn check_all_prev_tx() -> isize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn validate_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `broadcast_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn broadcast_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_after_timelock_transaction`
[INFO] [stderr]   --> src/lib/engine/node.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn create_after_timelock_transaction() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_commitment_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn create_commitment_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `server_handler`
[INFO] [stderr]   --> src/lib/engine/node.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn server_handler() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.49s
[INFO] running `"docker" "inspect" "3b591f0f9939e2b51ad6c9a53790e53b11f3b27f3f21c81193628cf2f22127d6"`
[INFO] running `"docker" "rm" "-f" "3b591f0f9939e2b51ad6c9a53790e53b11f3b27f3f21c81193628cf2f22127d6"`
[INFO] [stdout] 3b591f0f9939e2b51ad6c9a53790e53b11f3b27f3f21c81193628cf2f22127d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/openzen/slpp-bitcoin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3a995b92cf59dd48a5a13e8b351b48c10173b44855ab0d1401a90c94f1abc9e
[INFO] running `"docker" "start" "-a" "b3a995b92cf59dd48a5a13e8b351b48c10173b44855ab0d1401a90c94f1abc9e"`
[INFO] [stderr]    Compiling slpp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `data_chunk` should have an upper camel case name
[INFO] [stderr]  --> src/lib/engine/client.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type data_chunk = Vec<u8>;
[INFO] [stderr]   |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `DataChunk`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `ec_compressed` should have an upper camel case name
[INFO] [stderr]  --> src/lib/engine/client.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type ec_compressed = Vec<usize>;
[INFO] [stderr]   |          ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EcCompressed`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/lib/engine/client.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     for x in (0..EC_COMPRESSED_SIZE) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Ok(n) => match command.as_ref() {
[INFO] [stderr]    |            ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `data_chunk`
[INFO] [stderr]  --> src/lib/engine/client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type data_chunk = Vec<u8>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ec_compressed`
[INFO] [stderr]  --> src/lib/engine/client.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type ec_compressed = Vec<usize>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EC_COMPRESSED_SIZE`
[INFO] [stderr]  --> src/lib/engine/client.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const EC_COMPRESSED_SIZE: usize = 33;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u32_to_data_chunk`
[INFO] [stderr]  --> src/lib/engine/client.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn u32_to_data_chunk(value: u32) -> data_chunk {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xor`
[INFO] [stderr]   --> src/lib/engine/client.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn xor(point1: ec_compressed, point2: ec_compressed) -> ec_compressed {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `send_transaction`
[INFO] [stderr]   --> src/lib/engine/client.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn send_transaction() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `receive_transaction`
[INFO] [stderr]   --> src/lib/engine/client.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn receive_transaction() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_opening_tx`
[INFO] [stderr]   --> src/lib/engine/client.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn create_opening_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_commitment_tx`
[INFO] [stderr]   --> src/lib/engine/client.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn create_commitment_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `uint32_to_data_chunk`
[INFO] [stderr]  --> src/lib/engine/node.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn uint32_to_data_chunk() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `send_transaction`
[INFO] [stderr]  --> src/lib/engine/node.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn send_transaction() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `receive_transaction`
[INFO] [stderr]  --> src/lib/engine/node.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn receive_transaction() -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xor`
[INFO] [stderr]  --> src/lib/engine/node.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn xor() -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_it_tx_in_blockchain`
[INFO] [stderr]   --> src/lib/engine/node.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn is_it_tx_in_blockchain() -> isize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_all_prev_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn check_all_prev_tx() -> isize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn validate_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `broadcast_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn broadcast_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_after_timelock_transaction`
[INFO] [stderr]   --> src/lib/engine/node.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn create_after_timelock_transaction() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_commitment_tx`
[INFO] [stderr]   --> src/lib/engine/node.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn create_commitment_tx() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `server_handler`
[INFO] [stderr]   --> src/lib/engine/node.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn server_handler() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "b3a995b92cf59dd48a5a13e8b351b48c10173b44855ab0d1401a90c94f1abc9e"`
[INFO] running `"docker" "rm" "-f" "b3a995b92cf59dd48a5a13e8b351b48c10173b44855ab0d1401a90c94f1abc9e"`
[INFO] [stdout] b3a995b92cf59dd48a5a13e8b351b48c10173b44855ab0d1401a90c94f1abc9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/openzen/slpp-bitcoin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d46e6752b9fac92c4fc3c7f71776187a15a200e2040702c3ca980d786f41e46f
[INFO] running `"docker" "start" "-a" "d46e6752b9fac92c4fc3c7f71776187a15a200e2040702c3ca980d786f41e46f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slpp-e51fb6a8e53a54a5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d46e6752b9fac92c4fc3c7f71776187a15a200e2040702c3ca980d786f41e46f"`
[INFO] running `"docker" "rm" "-f" "d46e6752b9fac92c4fc3c7f71776187a15a200e2040702c3ca980d786f41e46f"`
[INFO] [stdout] d46e6752b9fac92c4fc3c7f71776187a15a200e2040702c3ca980d786f41e46f