Dec 18 06:55:08.609 INFO checking Kixunil/btc_parse_tutor-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:55:08.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Kixunil/btc_parse_tutor-rust:/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=forbid" "-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:55:09.088 INFO [stdout] df074d90f8cdb0404c04ae5607dbb044a40c6cb150a428a93cfdf74117f96043
Dec 18 06:55:09.094 INFO running `"docker" "start" "-a" "df074d90f8cdb0404c04ae5607dbb044a40c6cb150a428a93cfdf74117f96043"`
Dec 18 06:55:10.964 INFO [stderr]     Checking btc_parse_tutor v0.1.0 (/opt/crater/workdir)
Dec 18 06:55:11.424 INFO [stderr] warning: function is never used: `deserialize_varint`
Dec 18 06:55:11.425 INFO [stderr]  --> src/main.rs:8:1
Dec 18 06:55:11.425 INFO [stderr]   |
Dec 18 06:55:11.425 INFO [stderr] 8 | fn deserialize_varint<R: Read>(reader: &mut R) -> io::Result<u64> {
Dec 18 06:55:11.425 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr]   |
Dec 18 06:55:11.425 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: struct is never constructed: `Script`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:18:1
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 18 | struct Script(Vec<u8>);
Dec 18 06:55:11.425 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:22:5
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 22 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: struct is never constructed: `Hash256`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:39:1
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 39 | struct Hash256([u8; 32]);
Dec 18 06:55:11.425 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:43:5
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 43 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: struct is never constructed: `Outpoint`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:52:1
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 52 | struct Outpoint {
Dec 18 06:55:11.425 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:61:5
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 61 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: struct is never constructed: `TxInput`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:73:1
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 73 | struct TxInput {
Dec 18 06:55:11.425 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:81:5
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 81 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: struct is never constructed: `TxOutput`
Dec 18 06:55:11.425 INFO [stderr]   --> src/main.rs:95:1
Dec 18 06:55:11.425 INFO [stderr]    |
Dec 18 06:55:11.425 INFO [stderr] 95 | struct TxOutput {
Dec 18 06:55:11.425 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.425 INFO [stderr]    --> src/main.rs:102:5
Dec 18 06:55:11.425 INFO [stderr]     |
Dec 18 06:55:11.425 INFO [stderr] 102 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: struct is never constructed: `Transaction`
Dec 18 06:55:11.425 INFO [stderr]    --> src/main.rs:114:1
Dec 18 06:55:11.425 INFO [stderr]     |
Dec 18 06:55:11.425 INFO [stderr] 114 | struct Transaction {
Dec 18 06:55:11.425 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.425 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.425 INFO [stderr]    --> src/main.rs:122:5
Dec 18 06:55:11.425 INFO [stderr]     |
Dec 18 06:55:11.425 INFO [stderr] 122 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.425 INFO [stderr] 
Dec 18 06:55:11.544 INFO [stderr] warning: function is never used: `deserialize_varint`
Dec 18 06:55:11.545 INFO [stderr]  --> src/main.rs:8:1
Dec 18 06:55:11.545 INFO [stderr]   |
Dec 18 06:55:11.545 INFO [stderr] 8 | fn deserialize_varint<R: Read>(reader: &mut R) -> io::Result<u64> {
Dec 18 06:55:11.545 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr]   |
Dec 18 06:55:11.545 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: struct is never constructed: `Script`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:18:1
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 18 | struct Script(Vec<u8>);
Dec 18 06:55:11.545 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:22:5
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 22 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: struct is never constructed: `Hash256`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:39:1
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 39 | struct Hash256([u8; 32]);
Dec 18 06:55:11.545 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:43:5
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 43 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: struct is never constructed: `Outpoint`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:52:1
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 52 | struct Outpoint {
Dec 18 06:55:11.545 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:61:5
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 61 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: struct is never constructed: `TxInput`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:73:1
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 73 | struct TxInput {
Dec 18 06:55:11.545 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:81:5
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 81 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: struct is never constructed: `TxOutput`
Dec 18 06:55:11.545 INFO [stderr]   --> src/main.rs:95:1
Dec 18 06:55:11.545 INFO [stderr]    |
Dec 18 06:55:11.545 INFO [stderr] 95 | struct TxOutput {
Dec 18 06:55:11.545 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.545 INFO [stderr]    --> src/main.rs:102:5
Dec 18 06:55:11.545 INFO [stderr]     |
Dec 18 06:55:11.545 INFO [stderr] 102 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.545 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: struct is never constructed: `Transaction`
Dec 18 06:55:11.545 INFO [stderr]    --> src/main.rs:114:1
Dec 18 06:55:11.545 INFO [stderr]     |
Dec 18 06:55:11.545 INFO [stderr] 114 | struct Transaction {
Dec 18 06:55:11.545 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.545 INFO [stderr] warning: method is never used: `deserialize`
Dec 18 06:55:11.545 INFO [stderr]    --> src/main.rs:122:5
Dec 18 06:55:11.545 INFO [stderr]     |
Dec 18 06:55:11.545 INFO [stderr] 122 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
Dec 18 06:55:11.545 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:55:11.545 INFO [stderr] 
Dec 18 06:55:11.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 18 06:55:12.438 INFO running `"docker" "inspect" "df074d90f8cdb0404c04ae5607dbb044a40c6cb150a428a93cfdf74117f96043"`
Dec 18 06:55:12.674 INFO running `"docker" "rm" "-f" "df074d90f8cdb0404c04ae5607dbb044a40c6cb150a428a93cfdf74117f96043"`
Dec 18 06:55:12.980 INFO [stdout] df074d90f8cdb0404c04ae5607dbb044a40c6cb150a428a93cfdf74117f96043