[INFO] cloning repository https://github.com/Kixunil/btc_parse_tutor-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kixunil/btc_parse_tutor-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixunil%2Fbtc_parse_tutor-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixunil%2Fbtc_parse_tutor-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2d1ce4e391999dcf243abcdedc7ebd320a443eb
[INFO] checking Kixunil/btc_parse_tutor-rust against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixunil%2Fbtc_parse_tutor-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kixunil/btc_parse_tutor-rust
[INFO] finished tweaking git repo https://github.com/Kixunil/btc_parse_tutor-rust
[INFO] tweaked toml for git repo https://github.com/Kixunil/btc_parse_tutor-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kixunil/btc_parse_tutor-rust on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kixunil/btc_parse_tutor-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `btc_parse_tutor` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e
[INFO] running `Command { std: "docker" "start" "3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `btc_parse_tutor` (manifest) generated 1 warning
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking btc_parse_tutor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `deserialize_varint` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn deserialize_varint<R: Read>(reader: &mut R) -> io::Result<u64> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Script` is never constructed
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Script(Vec<u8>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Script {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 21 |     /// Deserializes the script from a reader.
[INFO] [stdout] 22 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hash256` is never constructed
[INFO] [stdout]   --> src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Hash256([u8; 32]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Hash256 {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 42 |     /// Deserializes the hash
[INFO] [stdout] 43 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Outpoint` is never constructed
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Outpoint {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Outpoint {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 60 |     /// Deserializes the outpoint from the blockchain data
[INFO] [stdout] 61 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxInput` is never constructed
[INFO] [stdout]   --> src/main.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct TxInput {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl TxInput {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 80 |     /// Deserializes the input from the blockchain data
[INFO] [stdout] 81 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxOutput` is never constructed
[INFO] [stdout]   --> src/main.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | struct TxOutput {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl TxOutput {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 101 |     /// Deserializes the input from the blockchain data
[INFO] [stdout] 102 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transaction` is never constructed
[INFO] [stdout]    --> src/main.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | struct Transaction {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]    --> src/main.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Transaction {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 122 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u64`
[INFO] [stdout]   --> src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         255 => reader.read_u64::<LE>().map(Into::into),
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 12 -         255 => reader.read_u64::<LE>().map(Into::into),
[INFO] [stdout] 12 +         255 => reader.read_u64::<LE>(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deserialize_varint` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn deserialize_varint<R: Read>(reader: &mut R) -> io::Result<u64> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Script` is never constructed
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Script(Vec<u8>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btc_parse_tutor` (bin "btc_parse_tutor") due to 1 previous error; 13 warnings emitted
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Script {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 21 |     /// Deserializes the script from a reader.
[INFO] [stdout] 22 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Hash256` is never constructed
[INFO] [stdout]   --> src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Hash256([u8; 32]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Hash256 {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 42 |     /// Deserializes the hash
[INFO] [stdout] 43 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Outpoint` is never constructed
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Outpoint {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Outpoint {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 60 |     /// Deserializes the outpoint from the blockchain data
[INFO] [stdout] 61 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxInput` is never constructed
[INFO] [stdout]   --> src/main.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct TxInput {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]   --> src/main.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl TxInput {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 80 |     /// Deserializes the input from the blockchain data
[INFO] [stdout] 81 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxOutput` is never constructed
[INFO] [stdout]   --> src/main.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | struct TxOutput {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl TxOutput {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 101 |     /// Deserializes the input from the blockchain data
[INFO] [stdout] 102 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transaction` is never constructed
[INFO] [stdout]    --> src/main.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | struct Transaction {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize` is never used
[INFO] [stdout]    --> src/main.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl Transaction {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 122 |     fn deserialize<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u64`
[INFO] [stdout]   --> src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         255 => reader.read_u64::<LE>().map(Into::into),
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 12 -         255 => reader.read_u64::<LE>().map(Into::into),
[INFO] [stdout] 12 +         255 => reader.read_u64::<LE>(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btc_parse_tutor` (bin "btc_parse_tutor" test) due to 1 previous error; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e", kill_on_drop: false }`
[INFO] [stdout] 3479899fe838b1dfc0291428b87c274bd3f1fb641df17ead28392826972be93e