[INFO] fetching crate mbot_proc_macro_helpers 0.0.2...
[INFO] testing mbot_proc_macro_helpers-0.0.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mbot_proc_macro_helpers 0.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mbot_proc_macro_helpers 0.0.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mbot_proc_macro_helpers 0.0.2
[INFO] finished tweaking crates.io crate mbot_proc_macro_helpers 0.0.2
[INFO] tweaked toml for crates.io crate mbot_proc_macro_helpers 0.0.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-syn-parse v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a8a0075db7b0318fa872f55aa3f1c73a65d799337bc3f615c2a40e1edf3df96
[INFO] running `Command { std: "docker" "start" "-a" "5a8a0075db7b0318fa872f55aa3f1c73a65d799337bc3f615c2a40e1edf3df96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a8a0075db7b0318fa872f55aa3f1c73a65d799337bc3f615c2a40e1edf3df96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8a0075db7b0318fa872f55aa3f1c73a65d799337bc3f615c2a40e1edf3df96", kill_on_drop: false }`
[INFO] [stdout] 5a8a0075db7b0318fa872f55aa3f1c73a65d799337bc3f615c2a40e1edf3df96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fa6009eefaa1c229ee2f7161fb433980412a9a0365cf63eea437525a47899bc
[INFO] running `Command { std: "docker" "start" "-a" "7fa6009eefaa1c229ee2f7161fb433980412a9a0365cf63eea437525a47899bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling mbot_proc_macro_helpers v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expected_prefix_width`
[INFO] [stdout]    --> src/mice/stack_bytecode.rs:360:17
[INFO] [stdout]     |
[INFO] [stdout] 360 |             let expected_prefix_width: usize = 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_prefix_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colon_token`
[INFO] [stdout]   --> src/mice.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     colon_token: Token![:],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trailing_comma`
[INFO] [stdout]   --> src/mice.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     trailing_comma: Option<Token![,]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unary_ident`
[INFO] [stdout]   --> src/mice.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unary_ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binary_ident`
[INFO] [stdout]   --> src/mice.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     binary_ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]   --> src/mice.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     brace_token: Brace,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Variant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind_token`
[INFO] [stdout]   --> src/mice.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     kind_token: Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arrow_token`
[INFO] [stdout]   --> src/mice.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     arrow_token: Token![=>],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arg_paren`
[INFO] [stdout]   --> src/mice.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     arg_paren: Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `semicolon_token`
[INFO] [stdout]   --> src/mice.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     semicolon_token: Token![;],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sum_equal_token`
[INFO] [stdout]   --> src/mice.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     sum_equal_token: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]   --> src/mice.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     brace_token: Brace,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrNoSpan`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ErrNoSpan(Cow<'static, str>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_lift_error`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_lift_error(self, out: &mut TokenStream) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lift_error`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn lift_error(&self, out: &mut TokenStream) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.24s
[INFO] running `Command { std: "docker" "inspect" "7fa6009eefaa1c229ee2f7161fb433980412a9a0365cf63eea437525a47899bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa6009eefaa1c229ee2f7161fb433980412a9a0365cf63eea437525a47899bc", kill_on_drop: false }`
[INFO] [stdout] 7fa6009eefaa1c229ee2f7161fb433980412a9a0365cf63eea437525a47899bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5294b701121543bd748f39309e992621dc10aafec92e80d2806eea3fcfe6420f
[INFO] running `Command { std: "docker" "start" "-a" "5294b701121543bd748f39309e992621dc10aafec92e80d2806eea3fcfe6420f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mbot_proc_macro_helpers v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expected_prefix_width`
[INFO] [stdout]    --> src/mice/stack_bytecode.rs:360:17
[INFO] [stdout]     |
[INFO] [stdout] 360 |             let expected_prefix_width: usize = 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_prefix_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colon_token`
[INFO] [stdout]   --> src/mice.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     colon_token: Token![:],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trailing_comma`
[INFO] [stdout]   --> src/mice.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     trailing_comma: Option<Token![,]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unary_ident`
[INFO] [stdout]   --> src/mice.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unary_ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binary_ident`
[INFO] [stdout]   --> src/mice.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     binary_ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]   --> src/mice.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     brace_token: Brace,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Variant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind_token`
[INFO] [stdout]   --> src/mice.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     kind_token: Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arrow_token`
[INFO] [stdout]   --> src/mice.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     arrow_token: Token![=>],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arg_paren`
[INFO] [stdout]   --> src/mice.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     arg_paren: Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `semicolon_token`
[INFO] [stdout]   --> src/mice.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     semicolon_token: Token![;],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sum_equal_token`
[INFO] [stdout]   --> src/mice.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     sum_equal_token: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]   --> src/mice.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     brace_token: Brace,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrNoSpan`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ErrNoSpan(Cow<'static, str>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_lift_error`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_lift_error(self, out: &mut TokenStream) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lift_error`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn lift_error(&self, out: &mut TokenStream) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected_prefix_width`
[INFO] [stdout]    --> src/mice/stack_bytecode.rs:360:17
[INFO] [stdout]     |
[INFO] [stdout] 360 |             let expected_prefix_width: usize = 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_prefix_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colon_token`
[INFO] [stdout]   --> src/mice.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     colon_token: Token![:],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trailing_comma`
[INFO] [stdout]   --> src/mice.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     trailing_comma: Option<Token![,]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unary_ident`
[INFO] [stdout]   --> src/mice.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unary_ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binary_ident`
[INFO] [stdout]   --> src/mice.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     binary_ident: Option<Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]   --> src/mice.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     brace_token: Brace,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Variant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind_token`
[INFO] [stdout]   --> src/mice.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     kind_token: Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arrow_token`
[INFO] [stdout]   --> src/mice.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     arrow_token: Token![=>],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arg_paren`
[INFO] [stdout]   --> src/mice.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     arg_paren: Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `semicolon_token`
[INFO] [stdout]   --> src/mice.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     semicolon_token: Token![;],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sum_equal_token`
[INFO] [stdout]   --> src/mice.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     sum_equal_token: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]   --> src/mice.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     brace_token: Brace,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/mice.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Parse, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrNoSpan`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ErrNoSpan(Cow<'static, str>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_lift_error`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_lift_error(self, out: &mut TokenStream) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lift_error`
[INFO] [stdout]   --> src/mice/stack_bytecode.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn lift_error(&self, out: &mut TokenStream) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "5294b701121543bd748f39309e992621dc10aafec92e80d2806eea3fcfe6420f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5294b701121543bd748f39309e992621dc10aafec92e80d2806eea3fcfe6420f", kill_on_drop: false }`
[INFO] [stdout] 5294b701121543bd748f39309e992621dc10aafec92e80d2806eea3fcfe6420f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] adcc484f2e436139271f5fedbed4801e774b17a6361944e2b871e3437ced7f17
[INFO] running `Command { std: "docker" "start" "-a" "adcc484f2e436139271f5fedbed4801e774b17a6361944e2b871e3437ced7f17", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `expected_prefix_width`
[INFO] [stderr]    --> src/mice/stack_bytecode.rs:360:17
[INFO] [stderr]     |
[INFO] [stderr] 360 |             let expected_prefix_width: usize = 1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_prefix_width`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `colon_token`
[INFO] [stderr]   --> src/mice.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     colon_token: Token![:],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:9:17
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `trailing_comma`
[INFO] [stderr]   --> src/mice.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     trailing_comma: Option<Token![,]>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `UnaryPower` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:9:17
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `unary_ident`
[INFO] [stderr]   --> src/mice.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     unary_ident: Option<Ident>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `binary_ident`
[INFO] [stderr]   --> src/mice.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     binary_ident: Option<Ident>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `brace_token`
[INFO] [stderr]   --> src/mice.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     brace_token: Brace,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Variant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `kind_token`
[INFO] [stderr]   --> src/mice.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     kind_token: Ident,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arrow_token`
[INFO] [stderr]   --> src/mice.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     arrow_token: Token![=>],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arg_paren`
[INFO] [stderr]   --> src/mice.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arg_paren: Paren,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `semicolon_token`
[INFO] [stderr]   --> src/mice.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     semicolon_token: Token![;],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sum_equal_token`
[INFO] [stderr]   --> src/mice.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     sum_equal_token: Token![=],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `brace_token`
[INFO] [stderr]   --> src/mice.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     brace_token: Brace,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/mice.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 | #[derive(Parse, Debug)]
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ErrNoSpan`
[INFO] [stderr]   --> src/mice/stack_bytecode.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     ErrNoSpan(Cow<'static, str>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `into_lift_error`
[INFO] [stderr]   --> src/mice/stack_bytecode.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn into_lift_error(self, out: &mut TokenStream) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lift_error`
[INFO] [stderr]   --> src/mice/stack_bytecode.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn lift_error(&self, out: &mut TokenStream) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mbot_proc_macro_helpers` (lib) generated 15 warnings
[INFO] [stderr] warning: `mbot_proc_macro_helpers` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mbot_proc_macro_helpers-e3141c25c8a69262)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mbot_proc_macro_helpers
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "adcc484f2e436139271f5fedbed4801e774b17a6361944e2b871e3437ced7f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcc484f2e436139271f5fedbed4801e774b17a6361944e2b871e3437ced7f17", kill_on_drop: false }`
[INFO] [stdout] adcc484f2e436139271f5fedbed4801e774b17a6361944e2b871e3437ced7f17