[INFO] cloning repository https://github.com/coolCucumber-cat/fmt2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coolCucumber-cat/fmt2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcoolCucumber-cat%2Ffmt2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcoolCucumber-cat%2Ffmt2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 802ba7fb1fd28ba532abdba4fac88e42d5bddae5
[INFO] checking coolCucumber-cat/fmt2 against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcoolCucumber-cat%2Ffmt2" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/coolCucumber-cat/fmt2
[INFO] finished tweaking git repo https://github.com/coolCucumber-cat/fmt2
[INFO] tweaked toml for git repo https://github.com/coolCucumber-cat/fmt2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coolCucumber-cat/fmt2 on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/coolCucumber-cat/fmt2 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking coolCucumber-cat/fmt2 against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcoolCucumber-cat%2Ffmt2" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
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[INFO] finished tweaking git repo https://github.com/coolCucumber-cat/fmt2
[INFO] tweaked toml for git repo https://github.com/coolCucumber-cat/fmt2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coolCucumber-cat/fmt2 on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/coolCucumber-cat/fmt2 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded transmute_guard v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ee67b553940341773f910876458bc7d5192c3f6157396bceb81331a83fb94cb
[INFO] running `Command { std: "docker" "start" "-a" "3ee67b553940341773f910876458bc7d5192c3f6157396bceb81331a83fb94cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee67b553940341773f910876458bc7d5192c3f6157396bceb81331a83fb94cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee67b553940341773f910876458bc7d5192c3f6157396bceb81331a83fb94cb", kill_on_drop: false }`
[INFO] [stdout] 3ee67b553940341773f910876458bc7d5192c3f6157396bceb81331a83fb94cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 017328589daf22ff9969371df0d794631f225f4ed923a4d324fa215c97b63aaa
[INFO] running `Command { std: "docker" "start" "-a" "017328589daf22ff9969371df0d794631f225f4ed923a4d324fa215c97b63aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking unicode-ident v1.0.17
[INFO] [stderr]     Checking transmute_guard v0.2.5
[INFO] [stderr]     Checking fmt2 v0.3.4 (/opt/rustwide/workdir/fmt2)
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking fmt2_macros v0.1.0 (/opt/rustwide/workdir/fmt2_macros)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage2.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn from(value: stage1::Fmt) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fallibility` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct WriterArgs {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 56 |     fallibility: Fallibility,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `writer` and `writer_args` are never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct FmtModeWriter {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 67 |     writer: Writer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 68 |     writer_args: WriterArgs,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Writer(FmtModeWriter),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 82 -     Writer(FmtModeWriter),
[INFO] [stdout] 82 +     Writer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct FmtTokenLit(Expr);
[INFO] [stdout]    |            ----------- ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expr_mode` is never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct FmtTokenExprArgs {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 122 |     expr_mode: ExprMode,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `args` are never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct FmtTokenExpr {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 133 |     expr: Box<Expr>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 134 |     args: FmtTokenExprArgs,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lit` and `Expr` are never constructed
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub enum FmtToken {
[INFO] [stdout]     |          -------- variants in this enum
[INFO] [stdout] 149 |     Lit(Vec<FmtTokenLit>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 150 |     Expr(FmtTokenExpr),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct FmtTokens {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 154 |     tokens: Vec<FmtToken>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mode` and `tokens` are never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct Fmt {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 166 |     mode: FmtMode,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 167 |     tokens: FmtTokens,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_square_brackets` is never used
[INFO] [stdout]  --> fmt2_macros/src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_square_brackets(input: ParseStream) -> syn::Result<ParseBuffer> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage2.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn from(value: stage1::Fmt) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fallibility` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct WriterArgs {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 56 |     fallibility: Fallibility,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `writer` and `writer_args` are never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct FmtModeWriter {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 67 |     writer: Writer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 68 |     writer_args: WriterArgs,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Writer(FmtModeWriter),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 82 -     Writer(FmtModeWriter),
[INFO] [stdout] 82 +     Writer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct FmtTokenLit(Expr);
[INFO] [stdout]    |            ----------- ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expr_mode` is never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct FmtTokenExprArgs {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 122 |     expr_mode: ExprMode,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `args` are never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct FmtTokenExpr {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 133 |     expr: Box<Expr>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 134 |     args: FmtTokenExprArgs,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lit` and `Expr` are never constructed
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub enum FmtToken {
[INFO] [stdout]     |          -------- variants in this enum
[INFO] [stdout] 149 |     Lit(Vec<FmtTokenLit>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 150 |     Expr(FmtTokenExpr),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct FmtTokens {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 154 |     tokens: Vec<FmtToken>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mode` and `tokens` are never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct Fmt {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 166 |     mode: FmtMode,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 167 |     tokens: FmtTokens,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_square_brackets` is never used
[INFO] [stdout]  --> fmt2_macros/src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_square_brackets(input: ParseStream) -> syn::Result<ParseBuffer> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage2.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn from(value: stage1::Fmt) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fallibility` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct WriterArgs {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 56 |     fallibility: Fallibility,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `writer` and `writer_args` are never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct FmtModeWriter {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 67 |     writer: Writer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 68 |     writer_args: WriterArgs,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     Writer(FmtModeWriter),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 82 -     Writer(FmtModeWriter),
[INFO] [stdout] 82 +     Writer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fmt2_macros/src/fmt/stage1.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct FmtTokenLit(Expr);
[INFO] [stdout]    |            ----------- ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expr_mode` is never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct FmtTokenExprArgs {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 122 |     expr_mode: ExprMode,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `args` are never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct FmtTokenExpr {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 133 |     expr: Box<Expr>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 134 |     args: FmtTokenExprArgs,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Lit` and `Expr` are never constructed
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub enum FmtToken {
[INFO] [stdout]     |          -------- variants in this enum
[INFO] [stdout] 149 |     Lit(Vec<FmtTokenLit>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 150 |     Expr(FmtTokenExpr),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct FmtTokens {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 154 |     tokens: Vec<FmtToken>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mode` and `tokens` are never read
[INFO] [stdout]    --> fmt2_macros/src/fmt/stage1.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub struct Fmt {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 166 |     mode: FmtMode,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 167 |     tokens: FmtTokens,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_square_brackets` is never used
[INFO] [stdout]  --> fmt2_macros/src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_square_brackets(input: ParseStream) -> syn::Result<ParseBuffer> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "017328589daf22ff9969371df0d794631f225f4ed923a4d324fa215c97b63aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017328589daf22ff9969371df0d794631f225f4ed923a4d324fa215c97b63aaa", kill_on_drop: false }`
[INFO] [stdout] 017328589daf22ff9969371df0d794631f225f4ed923a4d324fa215c97b63aaa
