[INFO] fetching crate extra_args 0.1.72...
[INFO] checking extra_args-0.1.72 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate extra_args 0.1.72 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate extra_args 0.1.72
[INFO] finished tweaking crates.io crate extra_args 0.1.72
[INFO] tweaked toml for crates.io crate extra_args 0.1.72 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate extra_args 0.1.72 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dd60a670fc606730d174949cb5c9f7e54864562550e4bae904e89eac3557919
[INFO] running `Command { std: "docker" "start" "-a" "7dd60a670fc606730d174949cb5c9f7e54864562550e4bae904e89eac3557919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd60a670fc606730d174949cb5c9f7e54864562550e4bae904e89eac3557919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd60a670fc606730d174949cb5c9f7e54864562550e4bae904e89eac3557919", kill_on_drop: false }`
[INFO] [stdout] 7dd60a670fc606730d174949cb5c9f7e54864562550e4bae904e89eac3557919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 570cc084cd6e78a76c1c3cf1e5275eb16eee0333b734029d0aa8adea86ec449e
[INFO] running `Command { std: "docker" "start" "-a" "570cc084cd6e78a76c1c3cf1e5275eb16eee0333b734029d0aa8adea86ec449e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking extra_args v0.1.72 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::punctuated::Punctuated;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::punctuated::Punctuated;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ItemFn`, `Token`, and `parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     parse_macro_input, Attribute, Expr, ExprCall, ExprMethodCall, ExprPath, FnArg, Ident, ItemFn,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^                                                                     ^^^^^^
[INFO] [stdout] 11 |     Meta, NestedMeta, Pat, Path, PathArguments, PathSegment, Signature, Token, Type,
[INFO] [stdout]    |                                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ItemFn`, `Token`, and `parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     parse_macro_input, Attribute, Expr, ExprCall, ExprMethodCall, ExprPath, FnArg, Ident, ItemFn,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^                                                                     ^^^^^^
[INFO] [stdout] 11 |     Meta, NestedMeta, Pat, Path, PathArguments, PathSegment, Signature, Token, Type,
[INFO] [stdout]    |                                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/lib.rs:269:23
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn with_ghost_var(args: TokenStream, input: TokenStream) -> TokenStream {
[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: struct `Args` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Args {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `decl`, `var`, `var_as_expr`, and `ty` are never used
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Args {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 26 |     fn decl(&self) -> FnArg {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn var(&self) -> Ident {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn var_as_expr(&self) -> Expr {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn ty(&self) -> Type {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pat_to_ident` is never used
[INFO] [stdout]   --> src/lib.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn pat_to_ident(pat: Pat) -> Result<Ident> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_to_last_ident` is never used
[INFO] [stdout]   --> src/lib.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn path_to_last_ident(path: Path) -> Result<Ident> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr_to_ident` is never used
[INFO] [stdout]   --> src/lib.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn expr_to_ident(expr: Expr) -> Result<Ident> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/lib.rs:269:23
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn with_ghost_var(args: TokenStream, input: TokenStream) -> TokenStream {
[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: struct `Args` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Args {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `decl`, `var`, `var_as_expr`, and `ty` are never used
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Args {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 26 |     fn decl(&self) -> FnArg {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn var(&self) -> Ident {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn var_as_expr(&self) -> Expr {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn ty(&self) -> Type {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pat_to_ident` is never used
[INFO] [stdout]   --> src/lib.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn pat_to_ident(pat: Pat) -> Result<Ident> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_to_last_ident` is never used
[INFO] [stdout]   --> src/lib.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn path_to_last_ident(path: Path) -> Result<Ident> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr_to_ident` is never used
[INFO] [stdout]   --> src/lib.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn expr_to_ident(expr: Expr) -> Result<Ident> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "570cc084cd6e78a76c1c3cf1e5275eb16eee0333b734029d0aa8adea86ec449e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570cc084cd6e78a76c1c3cf1e5275eb16eee0333b734029d0aa8adea86ec449e", kill_on_drop: false }`
[INFO] [stdout] 570cc084cd6e78a76c1c3cf1e5275eb16eee0333b734029d0aa8adea86ec449e