[INFO] cloning repository https://github.com/gitletH/rust-macro-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gitletH/rust-macro-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgitletH%2Frust-macro-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgitletH%2Frust-macro-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a85f231cb9db049557807e3ca17667f5bc4fde7
[INFO] checking gitletH/rust-macro-example against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgitletH%2Frust-macro-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gitletH/rust-macro-example
[INFO] finished tweaking git repo https://github.com/gitletH/rust-macro-example
[INFO] tweaked toml for git repo https://github.com/gitletH/rust-macro-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gitletH/rust-macro-example on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gitletH/rust-macro-example 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6427d68d7818c5ce728da3940c730443982562f36496e7ddbfabdd4b67e7e2d7
[INFO] running `Command { std: "docker" "start" "-a" "6427d68d7818c5ce728da3940c730443982562f36496e7ddbfabdd4b67e7e2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6427d68d7818c5ce728da3940c730443982562f36496e7ddbfabdd4b67e7e2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6427d68d7818c5ce728da3940c730443982562f36496e7ddbfabdd4b67e7e2d7", kill_on_drop: false }`
[INFO] [stdout] 6427d68d7818c5ce728da3940c730443982562f36496e7ddbfabdd4b67e7e2d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d02bdf02632c8058c572af69b7b054e816e7a43e5d1a17ea80903a495cc8ee0
[INFO] running `Command { std: "docker" "start" "-a" "5d02bdf02632c8058c572af69b7b054e816e7a43e5d1a17ea80903a495cc8ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking lib1 v0.1.0 (/opt/rustwide/workdir/lib1)
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: unused imports: `Error` and `parse_quote`
[INFO] [stdout]  --> lib/src/lib.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::{parse_quote, Error, parse_macro_input, DeriveInput, Data};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr`
[INFO] [stdout]   --> lib/src/lib.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn AssertReturnSync(attr: TokenStream, item: TokenStream) -> TokenStream {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_attr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `AssertReturnSync` should have a snake case name
[INFO] [stdout]   --> lib/src/lib.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn AssertReturnSync(attr: TokenStream, item: TokenStream) -> TokenStream {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `assert_return_sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `log_syntax` is declared but not used
[INFO] [stdout]  --> lib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(log_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] TokenStream [
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "const",
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "_",
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ':',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "fn",
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Parenthesis,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '=',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Joint,
[INFO] [stdout]         span: #0 bytes(692..693),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(693..694),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Brace,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ';',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout] ]
[INFO] [stdout] TokenStream [
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "const",
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "_",
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ':',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "fn",
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Parenthesis,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '=',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Joint,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Brace,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ';',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout] ]
[INFO] [stdout] TokenStream [
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "const",
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "_",
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ':',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "fn",
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Parenthesis,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '=',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Joint,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Brace,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ';',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout] ]
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> src/main.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Foo {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] TokenStream [
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "const",
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "_",
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ':',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "fn",
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Parenthesis,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '=',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Joint,
[INFO] [stdout]         span: #0 bytes(692..693),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(693..694),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Brace,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ';',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(692..694),
[INFO] [stdout]     },
[INFO] [stdout] ]
[INFO] [stdout] TokenStream [
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "const",
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "_",
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ':',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "fn",
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Parenthesis,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '=',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Joint,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Brace,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ';',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(703..707),
[INFO] [stdout]     },
[INFO] [stdout] ]
[INFO] [stdout] TokenStream [
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "const",
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "_",
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ':',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Ident {
[INFO] [stdout]         ident: "fn",
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Parenthesis,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '=',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Joint,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: '|',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Group {
[INFO] [stdout]         delimiter: Brace,
[INFO] [stdout]         stream: TokenStream [],
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout]     Punct {
[INFO] [stdout]         ch: ';',
[INFO] [stdout]         spacing: Alone,
[INFO] [stdout]         span: #0 bytes(716..723),
[INFO] [stdout]     },
[INFO] [stdout] ]
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> src/main.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Foo {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "5d02bdf02632c8058c572af69b7b054e816e7a43e5d1a17ea80903a495cc8ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d02bdf02632c8058c572af69b7b054e816e7a43e5d1a17ea80903a495cc8ee0", kill_on_drop: false }`
[INFO] [stdout] 5d02bdf02632c8058c572af69b7b054e816e7a43e5d1a17ea80903a495cc8ee0
