[INFO] cloning repository https://github.com/fabrlyn/b2x
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabrlyn/b2x" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fb2x", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fb2x'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bae02c986faaa8c3ec762c4c9dcef3ce7a3f55b1
[INFO] testing fabrlyn/b2x against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fb2x" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fabrlyn/b2x
[INFO] finished tweaking git repo https://github.com/fabrlyn/b2x
[INFO] tweaked toml for git repo https://github.com/fabrlyn/b2x written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fabrlyn/b2x on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fabrlyn/b2x 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92b5c978fefc3f03f87c6cf0069874326497d0e80d32a3a36e4e6d61e5e7a7c9
[INFO] running `Command { std: "docker" "start" "-a" "92b5c978fefc3f03f87c6cf0069874326497d0e80d32a3a36e4e6d61e5e7a7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92b5c978fefc3f03f87c6cf0069874326497d0e80d32a3a36e4e6d61e5e7a7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b5c978fefc3f03f87c6cf0069874326497d0e80d32a3a36e4e6d61e5e7a7c9", kill_on_drop: false }`
[INFO] [stdout] 92b5c978fefc3f03f87c6cf0069874326497d0e80d32a3a36e4e6d61e5e7a7c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563bf5247c7d98a89d696ba2bfa47cfdde13c902edaad09038c924d76f311f39
[INFO] running `Command { std: "docker" "start" "-a" "563bf5247c7d98a89d696ba2bfa47cfdde13c902edaad09038c924d76f311f39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling b2x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `big_endian` is never used
[INFO] [stdout]   --> src/bit_group/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a, O> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] 11 |     pub fn big_endian(self) -> DecimalConverter<'a, O, BigEndian> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `little_endian` is never used
[INFO] [stdout]   --> src/bit_group/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a, O> DecimalConverter<'a, O, BigEndian> {
[INFO] [stdout]    | ---------------------------------------------- method in this implementation
[INFO] [stdout] 21 |     pub fn little_endian(self) -> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DefaultBitGroup` is never used
[INFO] [stdout]  --> src/bit_group/common.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type DefaultBitGroup = SpacedBitGroup<u64>;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DecimalConverterExt` is never used
[INFO] [stdout]   --> src/bit_group/common.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait DecimalConverterExt {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromBinary` is never used
[INFO] [stdout]   --> src/bit_group/common.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait FromBinary {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BigEndian` is never constructed
[INFO] [stdout]   --> src/bit_group/common.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct BigEndian;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LittleEndian` is never constructed
[INFO] [stdout]   --> src/bit_group/common.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct LittleEndian;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecimalConverter` is never constructed
[INFO] [stdout]   --> src/bit_group/common.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DecimalConverter<'a, O, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DecimalConverterError` is never used
[INFO] [stdout]   --> src/bit_group/common.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum DecimalConverterError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExactBitGroup` is never constructed
[INFO] [stdout]   --> src/bit_group/exact.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ExactBitGroup<T>(PhantomData<T>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/bit_group/exact.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stdout]    | ---------------------------------------------------- methods in this implementation
[INFO] [stdout] 16 |     fn into_exact<N>(self) -> DecimalConverter<'a, ExactBitGroup<N>, E> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn u8(self) -> DecimalConverter<'a, ExactBitGroup<u8>, E> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn i8(self) -> DecimalConverter<'a, ExactBitGroup<i8>, E> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn u16(self) -> DecimalConverter<'a, ExactBitGroup<u16>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn i16(self) -> DecimalConverter<'a, ExactBitGroup<i16>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn u32(self) -> DecimalConverter<'a, ExactBitGroup<u32>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn i32(self) -> DecimalConverter<'a, ExactBitGroup<i32>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn u64(self) -> DecimalConverter<'a, ExactBitGroup<u64>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn i64(self) -> DecimalConverter<'a, ExactBitGroup<i64>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn u128(self) -> DecimalConverter<'a, ExactBitGroup<u128>, E> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn i128(self) -> DecimalConverter<'a, ExactBitGroup<i128>, E> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SpacedBitGroup` is never constructed
[INFO] [stdout]   --> src/bit_group/spaced.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SpacedBitGroup<T>(PhantomData<T>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/bit_group/spaced.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stdout]    | ---------------------------------------------------- methods in this implementation
[INFO] [stdout] 16 |     fn into_spaced<N>(self) -> DecimalConverter<'a, SpacedBitGroup<N>, E> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn spaced_u8(self) -> DecimalConverter<'a, SpacedBitGroup<u8>, E> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn spaced_i8(self) -> DecimalConverter<'a, SpacedBitGroup<i8>, E> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn spaced_u16(self) -> DecimalConverter<'a, SpacedBitGroup<u16>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn spaced_i16(self) -> DecimalConverter<'a, SpacedBitGroup<i16>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn spaced_u32(self) -> DecimalConverter<'a, SpacedBitGroup<u32>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn spaced_i32(self) -> DecimalConverter<'a, SpacedBitGroup<i32>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn spaced_u64(self) -> DecimalConverter<'a, SpacedBitGroup<u64>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn spaced_i64(self) -> DecimalConverter<'a, SpacedBitGroup<i64>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn spaced_u128(self) -> DecimalConverter<'a, SpacedBitGroup<u128>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn spaced_i128(self) -> DecimalConverter<'a, SpacedBitGroup<i128>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bit_group/spaced.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl<'a, T> DecimalConverter<'a, SpacedBitGroup<T>, LittleEndian> {
[INFO] [stdout]    | ----------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 88 |     pub fn new(input: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariableBitGroup` is never constructed
[INFO] [stdout]  --> src/bit_group/variable.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VariableBitGroup(u8);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bit_group_size` is never used
[INFO] [stdout]  --> src/bit_group/variable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<'a, O, E> DecimalConverter<'a, O, E> {
[INFO] [stdout]   | ----------------------------------------- method in this implementation
[INFO] [stdout] 8 |     pub fn bit_group_size(
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BitSize` is never used
[INFO] [stdout]  --> src/bit_size.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BitSize {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromBinaryString` is never used
[INFO] [stdout]  --> src/from_binary.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FromBinaryString {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ToResult` is never used
[INFO] [stdout]  --> src/binary.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type ToResult<T> = Result<Vec<T>, String>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_decimal` is never used
[INFO] [stdout]  --> src/binary.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `little_endian_to_decimal` is never used
[INFO] [stdout]   --> src/binary.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn little_endian_to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_endian_to_decimal` is never used
[INFO] [stdout]   --> src/binary.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn big_endian_to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian>;
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian>;
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/cli/mod.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let args = Args {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cli/mod.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let input = matches.value_of("input").unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bit_group`, `signed`, and `output` are never read
[INFO] [stdout]   --> src/cli/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 72 |     bit_group: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 73 |     signed: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 74 |     output: Output,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.77s
[INFO] running `Command { std: "docker" "inspect" "563bf5247c7d98a89d696ba2bfa47cfdde13c902edaad09038c924d76f311f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563bf5247c7d98a89d696ba2bfa47cfdde13c902edaad09038c924d76f311f39", kill_on_drop: false }`
[INFO] [stdout] 563bf5247c7d98a89d696ba2bfa47cfdde13c902edaad09038c924d76f311f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b5ac02d0ccd840a0fc0e1b82b12c08a3cadd736e832055b5e8617c90a5edaf
[INFO] running `Command { std: "docker" "start" "-a" "d2b5ac02d0ccd840a0fc0e1b82b12c08a3cadd736e832055b5e8617c90a5edaf", kill_on_drop: false }`
[INFO] [stdout] warning: method `big_endian` is never used
[INFO] [stdout]   --> src/bit_group/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a, O> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] 11 |     pub fn big_endian(self) -> DecimalConverter<'a, O, BigEndian> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `little_endian` is never used
[INFO] [stdout]   --> src/bit_group/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a, O> DecimalConverter<'a, O, BigEndian> {
[INFO] [stdout]    | ---------------------------------------------- method in this implementation
[INFO] [stdout] 21 |     pub fn little_endian(self) -> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DefaultBitGroup` is never used
[INFO] [stdout]  --> src/bit_group/common.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type DefaultBitGroup = SpacedBitGroup<u64>;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DecimalConverterExt` is never used
[INFO] [stdout]   --> src/bit_group/common.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait DecimalConverterExt {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromBinary` is never used
[INFO] [stdout]   --> src/bit_group/common.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait FromBinary {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BigEndian` is never constructed
[INFO] [stdout]   --> src/bit_group/common.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct BigEndian;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LittleEndian` is never constructed
[INFO] [stdout]   --> src/bit_group/common.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct LittleEndian;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecimalConverter` is never constructed
[INFO] [stdout]   --> src/bit_group/common.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct DecimalConverter<'a, O, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DecimalConverterError` is never used
[INFO] [stdout]   --> src/bit_group/common.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum DecimalConverterError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExactBitGroup` is never constructed
[INFO] [stdout]   --> src/bit_group/exact.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ExactBitGroup<T>(PhantomData<T>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/bit_group/exact.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stdout]    | ---------------------------------------------------- methods in this implementation
[INFO] [stdout] 16 |     fn into_exact<N>(self) -> DecimalConverter<'a, ExactBitGroup<N>, E> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn u8(self) -> DecimalConverter<'a, ExactBitGroup<u8>, E> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn i8(self) -> DecimalConverter<'a, ExactBitGroup<i8>, E> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn u16(self) -> DecimalConverter<'a, ExactBitGroup<u16>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn i16(self) -> DecimalConverter<'a, ExactBitGroup<i16>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn u32(self) -> DecimalConverter<'a, ExactBitGroup<u32>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn i32(self) -> DecimalConverter<'a, ExactBitGroup<i32>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn u64(self) -> DecimalConverter<'a, ExactBitGroup<u64>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn i64(self) -> DecimalConverter<'a, ExactBitGroup<i64>, E> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn u128(self) -> DecimalConverter<'a, ExactBitGroup<u128>, E> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn i128(self) -> DecimalConverter<'a, ExactBitGroup<i128>, E> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SpacedBitGroup` is never constructed
[INFO] [stdout]   --> src/bit_group/spaced.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SpacedBitGroup<T>(PhantomData<T>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/bit_group/spaced.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stdout]    | ---------------------------------------------------- methods in this implementation
[INFO] [stdout] 16 |     fn into_spaced<N>(self) -> DecimalConverter<'a, SpacedBitGroup<N>, E> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn spaced_u8(self) -> DecimalConverter<'a, SpacedBitGroup<u8>, E> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn spaced_i8(self) -> DecimalConverter<'a, SpacedBitGroup<i8>, E> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn spaced_u16(self) -> DecimalConverter<'a, SpacedBitGroup<u16>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn spaced_i16(self) -> DecimalConverter<'a, SpacedBitGroup<i16>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn spaced_u32(self) -> DecimalConverter<'a, SpacedBitGroup<u32>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn spaced_i32(self) -> DecimalConverter<'a, SpacedBitGroup<i32>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn spaced_u64(self) -> DecimalConverter<'a, SpacedBitGroup<u64>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn spaced_i64(self) -> DecimalConverter<'a, SpacedBitGroup<i64>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn spaced_u128(self) -> DecimalConverter<'a, SpacedBitGroup<u128>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn spaced_i128(self) -> DecimalConverter<'a, SpacedBitGroup<i128>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling b2x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bit_group/spaced.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl<'a, T> DecimalConverter<'a, SpacedBitGroup<T>, LittleEndian> {
[INFO] [stdout]    | ----------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 88 |     pub fn new(input: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariableBitGroup` is never constructed
[INFO] [stdout]  --> src/bit_group/variable.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VariableBitGroup(u8);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bit_group_size` is never used
[INFO] [stdout]  --> src/bit_group/variable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<'a, O, E> DecimalConverter<'a, O, E> {
[INFO] [stdout]   | ----------------------------------------- method in this implementation
[INFO] [stdout] 8 |     pub fn bit_group_size(
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BitSize` is never used
[INFO] [stdout]  --> src/bit_size.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BitSize {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromBinaryString` is never used
[INFO] [stdout]  --> src/from_binary.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FromBinaryString {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ToResult` is never used
[INFO] [stdout]  --> src/binary.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type ToResult<T> = Result<Vec<T>, String>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_decimal` is never used
[INFO] [stdout]  --> src/binary.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `little_endian_to_decimal` is never used
[INFO] [stdout]   --> src/binary.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn little_endian_to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_endian_to_decimal` is never used
[INFO] [stdout]   --> src/binary.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn big_endian_to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian>;
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian>;
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/cli/mod.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let args = Args {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cli/mod.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let input = matches.value_of("input").unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bit_group`, `signed`, and `output` are never read
[INFO] [stdout]   --> src/cli/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 72 |     bit_group: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 73 |     signed: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 74 |     output: Output,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `big_endian` is never used
[INFO] [stdout]   --> src/bit_group/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a, O> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] 11 |     pub fn big_endian(self) -> DecimalConverter<'a, O, BigEndian> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `little_endian` is never used
[INFO] [stdout]   --> src/bit_group/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a, O> DecimalConverter<'a, O, BigEndian> {
[INFO] [stdout]    | ---------------------------------------------- method in this implementation
[INFO] [stdout] 21 |     pub fn little_endian(self) -> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GroupSizeOutOfBounds` is never constructed
[INFO] [stdout]   --> src/bit_group/common.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum DecimalConverterError {
[INFO] [stdout]    |          --------------------- variant in this enum
[INFO] [stdout] 41 |     GroupSizeOutOfBounds,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecimalConverterError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/bit_group/spaced.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stdout]    | ---------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn spaced_i8(self) -> DecimalConverter<'a, SpacedBitGroup<i8>, E> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn spaced_u16(self) -> DecimalConverter<'a, SpacedBitGroup<u16>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn spaced_i16(self) -> DecimalConverter<'a, SpacedBitGroup<i16>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn spaced_u32(self) -> DecimalConverter<'a, SpacedBitGroup<u32>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn spaced_i32(self) -> DecimalConverter<'a, SpacedBitGroup<i32>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn spaced_u64(self) -> DecimalConverter<'a, SpacedBitGroup<u64>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn spaced_i64(self) -> DecimalConverter<'a, SpacedBitGroup<i64>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn spaced_u128(self) -> DecimalConverter<'a, SpacedBitGroup<u128>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn spaced_i128(self) -> DecimalConverter<'a, SpacedBitGroup<i128>, E> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariableBitGroup` is never constructed
[INFO] [stdout]  --> src/bit_group/variable.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VariableBitGroup(u8);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bit_group_size` is never used
[INFO] [stdout]  --> src/bit_group/variable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<'a, O, E> DecimalConverter<'a, O, E> {
[INFO] [stdout]   | ----------------------------------------- method in this implementation
[INFO] [stdout] 8 |     pub fn bit_group_size(
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_endian_to_decimal` is never used
[INFO] [stdout]   --> src/binary.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn big_endian_to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian>;
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian>;
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bit_group/common.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stdout]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "d2b5ac02d0ccd840a0fc0e1b82b12c08a3cadd736e832055b5e8617c90a5edaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b5ac02d0ccd840a0fc0e1b82b12c08a3cadd736e832055b5e8617c90a5edaf", kill_on_drop: false }`
[INFO] [stdout] d2b5ac02d0ccd840a0fc0e1b82b12c08a3cadd736e832055b5e8617c90a5edaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d874bb8854730f226b6f801dbe36311b4a53daa8d95abadbe1441d850c888a0f
[INFO] running `Command { std: "docker" "start" "-a" "d874bb8854730f226b6f801dbe36311b4a53daa8d95abadbe1441d850c888a0f", kill_on_drop: false }`
[INFO] [stderr] warning: method `big_endian` is never used
[INFO] [stderr]   --> src/bit_group/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<'a, O> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stderr]    | ------------------------------------------------- method in this implementation
[INFO] [stderr] 11 |     pub fn big_endian(self) -> DecimalConverter<'a, O, BigEndian> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `little_endian` is never used
[INFO] [stderr]   --> src/bit_group/mod.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<'a, O> DecimalConverter<'a, O, BigEndian> {
[INFO] [stderr]    | ---------------------------------------------- method in this implementation
[INFO] [stderr] 21 |     pub fn little_endian(self) -> DecimalConverter<'a, O, LittleEndian> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `DefaultBitGroup` is never used
[INFO] [stderr]  --> src/bit_group/common.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type DefaultBitGroup = SpacedBitGroup<u64>;
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `DecimalConverterExt` is never used
[INFO] [stderr]   --> src/bit_group/common.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait DecimalConverterExt {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `FromBinary` is never used
[INFO] [stderr]   --> src/bit_group/common.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub trait FromBinary {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BigEndian` is never constructed
[INFO] [stderr]   --> src/bit_group/common.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct BigEndian;
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LittleEndian` is never constructed
[INFO] [stderr]   --> src/bit_group/common.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct LittleEndian;
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DecimalConverter` is never constructed
[INFO] [stderr]   --> src/bit_group/common.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct DecimalConverter<'a, O, E> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `DecimalConverterError` is never used
[INFO] [stderr]   --> src/bit_group/common.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum DecimalConverterError {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ExactBitGroup` is never constructed
[INFO] [stderr]   --> src/bit_group/exact.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct ExactBitGroup<T>(PhantomData<T>);
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]   --> src/bit_group/exact.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stderr]    | ---------------------------------------------------- methods in this implementation
[INFO] [stderr] 16 |     fn into_exact<N>(self) -> DecimalConverter<'a, ExactBitGroup<N>, E> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn u8(self) -> DecimalConverter<'a, ExactBitGroup<u8>, E> {
[INFO] [stderr]    |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn i8(self) -> DecimalConverter<'a, ExactBitGroup<i8>, E> {
[INFO] [stderr]    |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn u16(self) -> DecimalConverter<'a, ExactBitGroup<u16>, E> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn i16(self) -> DecimalConverter<'a, ExactBitGroup<i16>, E> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn u32(self) -> DecimalConverter<'a, ExactBitGroup<u32>, E> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn i32(self) -> DecimalConverter<'a, ExactBitGroup<i32>, E> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn u64(self) -> DecimalConverter<'a, ExactBitGroup<u64>, E> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     pub fn i64(self) -> DecimalConverter<'a, ExactBitGroup<i64>, E> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn u128(self) -> DecimalConverter<'a, ExactBitGroup<u128>, E> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub fn i128(self) -> DecimalConverter<'a, ExactBitGroup<i128>, E> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SpacedBitGroup` is never constructed
[INFO] [stderr]   --> src/bit_group/spaced.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct SpacedBitGroup<T>(PhantomData<T>);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]   --> src/bit_group/spaced.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stderr]    | ---------------------------------------------------- methods in this implementation
[INFO] [stderr] 16 |     fn into_spaced<N>(self) -> DecimalConverter<'a, SpacedBitGroup<N>, E> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn spaced_u8(self) -> DecimalConverter<'a, SpacedBitGroup<u8>, E> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn spaced_i8(self) -> DecimalConverter<'a, SpacedBitGroup<i8>, E> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn spaced_u16(self) -> DecimalConverter<'a, SpacedBitGroup<u16>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn spaced_i16(self) -> DecimalConverter<'a, SpacedBitGroup<i16>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn spaced_u32(self) -> DecimalConverter<'a, SpacedBitGroup<u32>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn spaced_i32(self) -> DecimalConverter<'a, SpacedBitGroup<i32>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn spaced_u64(self) -> DecimalConverter<'a, SpacedBitGroup<u64>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn spaced_i64(self) -> DecimalConverter<'a, SpacedBitGroup<i64>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn spaced_u128(self) -> DecimalConverter<'a, SpacedBitGroup<u128>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn spaced_i128(self) -> DecimalConverter<'a, SpacedBitGroup<i128>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bit_group/spaced.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 87 | impl<'a, T> DecimalConverter<'a, SpacedBitGroup<T>, LittleEndian> {
[INFO] [stderr]    | ----------------------------------------------------------------- associated function in this implementation
[INFO] [stderr] 88 |     pub fn new(input: &'a str) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `VariableBitGroup` is never constructed
[INFO] [stderr]  --> src/bit_group/variable.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct VariableBitGroup(u8);
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `bit_group_size` is never used
[INFO] [stderr]  --> src/bit_group/variable.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl<'a, O, E> DecimalConverter<'a, O, E> {
[INFO] [stderr]   | ----------------------------------------- method in this implementation
[INFO] [stderr] 8 |     pub fn bit_group_size(
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `BitSize` is never used
[INFO] [stderr]  --> src/bit_size.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait BitSize {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `FromBinaryString` is never used
[INFO] [stderr]  --> src/from_binary.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait FromBinaryString {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `ToResult` is never used
[INFO] [stderr]  --> src/binary.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub type ToResult<T> = Result<Vec<T>, String>;
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `to_decimal` is never used
[INFO] [stderr]  --> src/binary.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `little_endian_to_decimal` is never used
[INFO] [stderr]   --> src/binary.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn little_endian_to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `big_endian_to_decimal` is never used
[INFO] [stderr]   --> src/binary.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn big_endian_to_decimal<T: BitSize + FromBinaryString>(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bit_group/common.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian>;
[INFO] [stderr]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stderr]    |                |
[INFO] [stderr]    |                the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian>;
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bit_group/common.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stderr]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stderr]    |                |
[INFO] [stderr]    |                the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bit_group/common.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn decimal(&self) -> DecimalConverter<Self::Output, Self::Endian> {
[INFO] [stderr]    |                ^^^^^     -------------------------------------------- the same lifetime is hidden here
[INFO] [stderr]    |                |
[INFO] [stderr]    |                the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn decimal(&self) -> DecimalConverter<'_, Self::Output, Self::Endian> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `b2x` (lib) generated 25 warnings
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/cli/mod.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let args = Args {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/cli/mod.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let input = matches.value_of("input").unwrap();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `bit_group`, `signed`, and `output` are never read
[INFO] [stderr]   --> src/cli/mod.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 71 | struct Args {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 72 |     bit_group: u8,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 73 |     signed: bool,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 74 |     output: Output,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GroupSizeOutOfBounds` is never constructed
[INFO] [stderr]   --> src/bit_group/common.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum DecimalConverterError {
[INFO] [stderr]    |          --------------------- variant in this enum
[INFO] [stderr] 41 |     GroupSizeOutOfBounds,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DecimalConverterError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]   --> src/bit_group/spaced.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<'a, E> DecimalConverter<'a, DefaultBitGroup, E> {
[INFO] [stderr]    | ---------------------------------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn spaced_i8(self) -> DecimalConverter<'a, SpacedBitGroup<i8>, E> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn spaced_u16(self) -> DecimalConverter<'a, SpacedBitGroup<u16>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn spaced_i16(self) -> DecimalConverter<'a, SpacedBitGroup<i16>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn spaced_u32(self) -> DecimalConverter<'a, SpacedBitGroup<u32>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn spaced_i32(self) -> DecimalConverter<'a, SpacedBitGroup<i32>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn spaced_u64(self) -> DecimalConverter<'a, SpacedBitGroup<u64>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn spaced_i64(self) -> DecimalConverter<'a, SpacedBitGroup<i64>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn spaced_u128(self) -> DecimalConverter<'a, SpacedBitGroup<u128>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn spaced_i128(self) -> DecimalConverter<'a, SpacedBitGroup<i128>, E> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `b2x` (bin "b2x" test) generated 3 warnings
[INFO] [stderr] warning: `b2x` (lib test) generated 10 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/b2x-de5ff48b0bf4e6cb)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test bit_group::exact::tests::from_i128_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_i16_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_i64_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_i32_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_i8_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_u128_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_u64_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_u8_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_u16_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::exact::tests::from_u32_binary_to_decimal ... ok
[INFO] [stdout] test bit_group::spaced::tests::from_u8_binary_to_decimal ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- bit_group::spaced::tests::from_u8_binary_to_decimal stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'bit_group::spaced::tests::from_u8_binary_to_decimal' panicked at src/bit_group/spaced.rs:107:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Ok([10, 2, 11])
[INFO] [stdout]  right: Err(ParseError("1010 10 "))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bd5f31174b2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bd5f31174b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bd5f31174b2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5bd5f31174b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5bd5f313cdc3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5bd5f313cdc3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5bd5f3114433 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bd5f3114433 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5bd5f3117302 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5bd5f3118a29 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5bd5f311885e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5bd5f30e0e34 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5bd5f30e0e34 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bd5f31193fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5bd5f31193fe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5bd5f31191ca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5bd5f31179a9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5bd5f3118e5d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5bd5f313b230 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5bd5f313b553 - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5bd5f309eff8 - core::panicking::assert_failed::h7ea4666de1d24863
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5bd5f309f6eb - b2x::bit_group::spaced::tests::from_u8_binary_to_decimal::h261cb8d26ab34d9a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bit_group/spaced.rs:107:9
[INFO] [stdout]   22:     0x5bd5f309f577 - b2x::bit_group::spaced::tests::from_u8_binary_to_decimal::{{closure}}::h761dbc556566abc5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bit_group/spaced.rs:104:35
[INFO] [stdout]   23:     0x5bd5f309dd66 - core::ops::function::FnOnce::call_once::h80b009ba1f7f5844
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5bd5f30e669b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5bd5f30e669b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5bd5f30e57d5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5bd5f30e57d5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5bd5f30e57d5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5bd5f30e57d5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5bd5f30e57d5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5bd5f30e57d5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5bd5f30e57d5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5bd5f30a93d4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5bd5f30a93d4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5bd5f30acdaa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5bd5f30acdaa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5bd5f30acdaa - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5bd5f30acdaa - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5bd5f30acdaa - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5bd5f30acdaa - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5bd5f30acdaa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5bd5f311c37f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5bd5f311c37f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7bd62e549aa4 - <unknown>
[INFO] [stdout]   45:     0x7bd62e5d6a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     bit_group::spaced::tests::from_u8_binary_to_decimal
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d874bb8854730f226b6f801dbe36311b4a53daa8d95abadbe1441d850c888a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d874bb8854730f226b6f801dbe36311b4a53daa8d95abadbe1441d850c888a0f", kill_on_drop: false }`
[INFO] [stdout] d874bb8854730f226b6f801dbe36311b4a53daa8d95abadbe1441d850c888a0f
