Dec 18 17:14:19.468 INFO checking css-rs-macro-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:14:19.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/css-rs-macro/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:14:19.626 INFO [stdout] 6fa0016347431450b8209e4a811ebb3f5850a94871095607eb8b37124f209421
Dec 18 17:14:19.628 INFO running `"docker" "start" "-a" "6fa0016347431450b8209e4a811ebb3f5850a94871095607eb8b37124f209421"`
Dec 18 17:14:20.327 INFO [stderr]     Checking syn v0.14.9
Dec 18 17:14:25.210 INFO [stderr]     Checking css-rs-macro v0.1.0 (/opt/crater/workdir)
Dec 18 17:14:25.616 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 17:14:25.616 INFO [stderr]  --> src/lib.rs:6:1
Dec 18 17:14:25.616 INFO [stderr]   |
Dec 18 17:14:25.616 INFO [stderr] 6 | #[macro_use]
Dec 18 17:14:25.616 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:14:25.616 INFO [stderr]   |
Dec 18 17:14:25.616 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:14:25.616 INFO [stderr] 
Dec 18 17:14:25.620 INFO [stderr] warning: unused import: `syn::Expr`
Dec 18 17:14:25.620 INFO [stderr]   --> src/lib.rs:14:5
Dec 18 17:14:25.620 INFO [stderr]    |
Dec 18 17:14:25.620 INFO [stderr] 14 | use syn::Expr;
Dec 18 17:14:25.620 INFO [stderr]    |     ^^^^^^^^^
Dec 18 17:14:25.620 INFO [stderr] 
Dec 18 17:14:25.620 INFO [stderr] warning: unused import: `proc_macro::TokenTree`
Dec 18 17:14:25.620 INFO [stderr]   --> src/lib.rs:17:5
Dec 18 17:14:25.620 INFO [stderr]    |
Dec 18 17:14:25.620 INFO [stderr] 17 | use proc_macro::TokenTree;
Dec 18 17:14:25.620 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.620 INFO [stderr] 
Dec 18 17:14:25.680 INFO [stderr] warning: unused attribute
Dec 18 17:14:25.681 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 17:14:25.681 INFO [stderr]   |
Dec 18 17:14:25.681 INFO [stderr] 5 | #[feature(proc_macro)]
Dec 18 17:14:25.685 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.685 INFO [stderr]   |
Dec 18 17:14:25.685 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 17:14:25.685 INFO [stderr] 
Dec 18 17:14:25.685 INFO [stderr] warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
Dec 18 17:14:25.685 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 17:14:25.685 INFO [stderr]   |
Dec 18 17:14:25.685 INFO [stderr] 5 | #[feature(proc_macro)]
Dec 18 17:14:25.685 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.685 INFO [stderr] 
Dec 18 17:14:25.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:14:25.705 INFO [stderr]   --> src/lib.rs:86:17
Dec 18 17:14:25.708 INFO [stderr]    |
Dec 18 17:14:25.708 INFO [stderr] 86 |                 fs::remove_file(&css_file);
Dec 18 17:14:25.708 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.708 INFO [stderr]    |
Dec 18 17:14:25.708 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 17:14:25.708 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:14:25.708 INFO [stderr] 
Dec 18 17:14:25.737 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 17:14:25.737 INFO [stderr]  --> src/lib.rs:6:1
Dec 18 17:14:25.737 INFO [stderr]   |
Dec 18 17:14:25.737 INFO [stderr] 6 | #[macro_use]
Dec 18 17:14:25.737 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 17:14:25.737 INFO [stderr]   |
Dec 18 17:14:25.737 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:14:25.737 INFO [stderr] 
Dec 18 17:14:25.737 INFO [stderr] warning: unused import: `syn::Expr`
Dec 18 17:14:25.737 INFO [stderr]   --> src/lib.rs:14:5
Dec 18 17:14:25.737 INFO [stderr]    |
Dec 18 17:14:25.737 INFO [stderr] 14 | use syn::Expr;
Dec 18 17:14:25.737 INFO [stderr]    |     ^^^^^^^^^
Dec 18 17:14:25.737 INFO [stderr] 
Dec 18 17:14:25.737 INFO [stderr] warning: unused import: `proc_macro::TokenTree`
Dec 18 17:14:25.737 INFO [stderr]   --> src/lib.rs:17:5
Dec 18 17:14:25.737 INFO [stderr]    |
Dec 18 17:14:25.737 INFO [stderr] 17 | use proc_macro::TokenTree;
Dec 18 17:14:25.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.737 INFO [stderr] 
Dec 18 17:14:25.796 INFO [stderr] warning: unused attribute
Dec 18 17:14:25.797 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 17:14:25.797 INFO [stderr]   |
Dec 18 17:14:25.797 INFO [stderr] 5 | #[feature(proc_macro)]
Dec 18 17:14:25.797 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.797 INFO [stderr]   |
Dec 18 17:14:25.797 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 17:14:25.797 INFO [stderr] 
Dec 18 17:14:25.797 INFO [stderr] warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
Dec 18 17:14:25.797 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 17:14:25.797 INFO [stderr]   |
Dec 18 17:14:25.797 INFO [stderr] 5 | #[feature(proc_macro)]
Dec 18 17:14:25.797 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.797 INFO [stderr] 
Dec 18 17:14:25.811 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 17:14:25.811 INFO [stderr]   --> src/lib.rs:86:17
Dec 18 17:14:25.811 INFO [stderr]    |
Dec 18 17:14:25.811 INFO [stderr] 86 |                 fs::remove_file(&css_file);
Dec 18 17:14:25.811 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:14:25.811 INFO [stderr]    |
Dec 18 17:14:25.811 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 17:14:25.811 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 17:14:25.811 INFO [stderr] 
Dec 18 17:14:25.885 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
Dec 18 17:14:26.710 INFO running `"docker" "inspect" "6fa0016347431450b8209e4a811ebb3f5850a94871095607eb8b37124f209421"`
Dec 18 17:14:26.982 INFO running `"docker" "rm" "-f" "6fa0016347431450b8209e4a811ebb3f5850a94871095607eb8b37124f209421"`
Dec 18 17:14:27.199 INFO [stdout] 6fa0016347431450b8209e4a811ebb3f5850a94871095607eb8b37124f209421