[INFO] cloning repository https://github.com/developerworks/proc-macro-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/developerworks/proc-macro-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloperworks%2Fproc-macro-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloperworks%2Fproc-macro-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d9c951a68c5dcea7a6c39cfe4062557b63ccd5e
[INFO] checking developerworks/proc-macro-demo against try#d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf for pr-100046
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeveloperworks%2Fproc-macro-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/developerworks/proc-macro-demo on toolchain d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/developerworks/proc-macro-demo
[INFO] finished tweaking git repo https://github.com/developerworks/proc-macro-demo
[INFO] tweaked toml for git repo https://github.com/developerworks/proc-macro-demo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/developerworks/proc-macro-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6a8ba978b066e2d01e982bc71fe8d030474b4937c60eb311902afed374497ad
[INFO] running `Command { std: "docker" "start" "-a" "c6a8ba978b066e2d01e982bc71fe8d030474b4937c60eb311902afed374497ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a8ba978b066e2d01e982bc71fe8d030474b4937c60eb311902afed374497ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a8ba978b066e2d01e982bc71fe8d030474b4937c60eb311902afed374497ad", kill_on_drop: false }`
[INFO] [stdout] c6a8ba978b066e2d01e982bc71fe8d030474b4937c60eb311902afed374497ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd67cb1812a40ad11adfe60c71c28ac35854e0eaa5825012b6e48ad572efa56f
[INFO] running `Command { std: "docker" "start" "-a" "bd67cb1812a40ad11adfe60c71c28ac35854e0eaa5825012b6e48ad572efa56f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro_derive)
[INFO] [stderr]     Checking macro2 v0.1.0 (/opt/rustwide/workdir/macro2)
[INFO] [stderr] attr: [
[INFO] [stderr]     Meta(
[INFO] [stderr]         Path(
[INFO] [stderr]             Path {
[INFO] [stderr]                 leading_colon: None,
[INFO] [stderr]                 segments: [
[INFO] [stderr]                     PathSegment {
[INFO] [stderr]                         ident: Ident {
[INFO] [stderr]                             ident: "blog",
[INFO] [stderr]                             span: #0 bytes(407..411),
[INFO] [stderr]                         },
[INFO] [stderr]                         arguments: None,
[INFO] [stderr]                     },
[INFO] [stderr]                     Colon2,
[INFO] [stderr]                     PathSegment {
[INFO] [stderr]                         ident: Ident {
[INFO] [stderr]                             ident: "article",
[INFO] [stderr]                             span: #0 bytes(413..420),
[INFO] [stderr] attr: [
[INFO] [stderr]     Meta(
[INFO] [stderr]         Path(
[INFO] [stderr]             Path {
[INFO] [stderr]                 leading_colon: None,
[INFO] [stderr]                 segments: [
[INFO] [stderr]                     PathSegment {
[INFO] [stderr]                         ident: Ident {
[INFO] [stderr]                             ident: "blog",
[INFO] [stderr]                             span: #0 bytes(407..411),
[INFO] [stderr]                         },
[INFO] [stderr]                         arguments: None,
[INFO] [stderr]                     },
[INFO] [stderr]                     Colon2,
[INFO] [stderr]                     PathSegment {
[INFO] [stderr]                         ident: Ident {
[INFO] [stderr]                             ident: "article",
[INFO] [stderr]                             span: #0 bytes(413..420),
[INFO] [stderr]                         },
[INFO] [stderr]                         arguments: None,
[INFO] [stderr]                     },
[INFO] [stderr]                 ],
[INFO] [stderr]             },
[INFO] [stderr]         ),
[INFO] [stderr]     ),
[INFO] [stderr] ]
[INFO] [stderr] item: Fn(
[INFO] [stderr]     ItemFn {
[INFO] [stderr]         attrs: [],
[INFO] [stderr]         vis: Inherited,
[INFO] [stderr]         sig: Signature {
[INFO] [stderr]             constness: None,
[INFO] [stderr]             asyncness: None,
[INFO] [stderr]             unsafety: None,
[INFO] [stderr]             abi: None,
[INFO] [stderr]             fn_token: Fn,
[INFO] [stderr]             ident: Ident {
[INFO] [stderr]                 ident: "get",
[INFO] [stderr]                 span: #0 bytes(426..429),
[INFO] [stderr]             },
[INFO] [stderr]             generics: Generics {
[INFO] [stderr]                 lt_token: None,
[INFO] [stderr]                 params: [],
[INFO] [stderr]                 gt_token: None,
[INFO] [stderr]                 where_clause: None,
[INFO] [stderr]             },
[INFO] [stderr]             paren_token: Paren,
[INFO] [stderr]             inputs: [],
[INFO] [stderr]             variadic: None,
[INFO] [stderr]             output: Default,
[INFO] [stderr]         },
[INFO] [stderr]         block: Block {
[INFO] [stderr]             brace_token: Brace,
[INFO] [stderr]             stmts: [
[INFO] [stderr]                 Semi(
[INFO] [stderr]                     Macro(
[INFO] [stderr]                         ExprMacro {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             mac: Macro {
[INFO] [stderr]                                 path: Path {
[INFO] [stderr]                                     leading_colon: None,
[INFO] [stderr]                                     segments: [
[INFO] [stderr]                                         PathSegment {
[INFO] [stderr]                                             ident: Ident {
[INFO] [stderr]                                                 ident: "println",
[INFO] [stderr]                                                 span: #0 bytes(438..445),
[INFO] [stderr]                                             },
[INFO] [stderr]                                             arguments: None,
[INFO] [stderr]                                         },
[INFO] [stderr]                                     ],
[INFO] [stderr]                                 },
[INFO] [stderr]                                 bang_token: Bang,
[INFO] [stderr]                                 delimiter: Paren(
[INFO] [stderr]                                     Paren,
[INFO] [stderr]                                 ),
[INFO] [stderr]                                 tokens: TokenStream [
[INFO] [stderr]                                     Literal {
[INFO] [stderr]                                         kind: Str,
[INFO] [stderr]                                         symbol: "get /index",
[INFO] [stderr]                                         suffix: None,
[INFO] [stderr]                                         span: #0 bytes(447..459),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ],
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                     ),
[INFO] [stderr]                     Semi,
[INFO] [stderr]                 ),
[INFO] [stderr]             ],
[INFO] [stderr]         },
[INFO] [stderr]     },
[INFO] [stderr] )
[INFO] [stderr]                         },
[INFO] [stderr]                         arguments: None,
[INFO] [stderr]                     },
[INFO] [stderr]                 ],
[INFO] [stderr]             },
[INFO] [stderr]         ),
[INFO] [stderr]     ),
[INFO] [stderr] ]
[INFO] [stderr] item: Fn(
[INFO] [stderr]     ItemFn {
[INFO] [stderr]         attrs: [],
[INFO] [stderr]         vis: Inherited,
[INFO] [stderr]         sig: Signature {
[INFO] [stderr]             constness: None,
[INFO] [stderr]             asyncness: None,
[INFO] [stderr]             unsafety: None,
[INFO] [stderr]             abi: None,
[INFO] [stderr]             fn_token: Fn,
[INFO] [stderr]             ident: Ident {
[INFO] [stderr]                 ident: "get",
[INFO] [stderr]                 span: #0 bytes(426..429),
[INFO] [stderr]             },
[INFO] [stderr]             generics: Generics {
[INFO] [stderr]                 lt_token: None,
[INFO] [stderr]                 params: [],
[INFO] [stderr]                 gt_token: None,
[INFO] [stderr]                 where_clause: None,
[INFO] [stderr]             },
[INFO] [stderr]             paren_token: Paren,
[INFO] [stderr]             inputs: [],
[INFO] [stderr]             variadic: None,
[INFO] [stderr]             output: Default,
[INFO] [stderr]         },
[INFO] [stderr]         block: Block {
[INFO] [stderr]             brace_token: Brace,
[INFO] [stderr]             stmts: [
[INFO] [stderr]                 Semi(
[INFO] [stderr]                     Macro(
[INFO] [stderr]                         ExprMacro {
[INFO] [stderr]                             attrs: [],
[INFO] [stderr]                             mac: Macro {
[INFO] [stderr]                                 path: Path {
[INFO] [stderr]                                     leading_colon: None,
[INFO] [stderr]                                     segments: [
[INFO] [stderr]                                         PathSegment {
[INFO] [stderr]                                             ident: Ident {
[INFO] [stderr]                                                 ident: "println",
[INFO] [stderr]                                                 span: #0 bytes(438..445),
[INFO] [stderr]                                             },
[INFO] [stderr]                                             arguments: None,
[INFO] [stderr]                                         },
[INFO] [stderr]                                     ],
[INFO] [stderr]                                 },
[INFO] [stderr]                                 bang_token: Bang,
[INFO] [stderr]                                 delimiter: Paren(
[INFO] [stderr]                                     Paren,
[INFO] [stderr]                                 ),
[INFO] [stderr]                                 tokens: TokenStream [
[INFO] [stderr]                                     Literal {
[INFO] [stderr]                                         kind: Str,
[INFO] [stderr]                                         symbol: "get /index",
[INFO] [stderr]                                         suffix: None,
[INFO] [stderr]                                         span: #0 bytes(447..459),
[INFO] [stderr]                                     },
[INFO] [stderr]                                 ],
[INFO] [stderr]                             },
[INFO] [stderr]                         },
[INFO] [stderr]                     ),
[INFO] [stderr]                     Semi,
[INFO] [stderr]                 ),
[INFO] [stderr]             ],
[INFO] [stderr]         },
[INFO] [stderr]     },
[INFO] [stderr] )
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> macro2/examples/hygiene.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let foo = Foo::default();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "bd67cb1812a40ad11adfe60c71c28ac35854e0eaa5825012b6e48ad572efa56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd67cb1812a40ad11adfe60c71c28ac35854e0eaa5825012b6e48ad572efa56f", kill_on_drop: false }`
[INFO] [stdout] bd67cb1812a40ad11adfe60c71c28ac35854e0eaa5825012b6e48ad572efa56f