Nov 30 16:54:06.920 INFO checking ronfmt-0.1.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 16:54:06.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 16:54:07.348 INFO [stdout] ac81fc7a1552f44ad2a2163d868741da5141c475222a4cf16fdb24d080c4052e
Nov 30 16:54:07.356 INFO running `"docker" "start" "-a" "ac81fc7a1552f44ad2a2163d868741da5141c475222a4cf16fdb24d080c4052e"`
Nov 30 16:54:08.676 INFO [stderr] usermod: no changes
Nov 30 16:54:08.784 INFO [stderr]     Checking ronfmt v0.1.0 (/source)
Nov 30 16:54:11.118 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 16:54:11.118 INFO [stderr]   --> src/ast/display.rs:10:13
Nov 30 16:54:11.118 INFO [stderr]    |
Nov 30 16:54:11.118 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Nov 30 16:54:11.118 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 16:54:11.118 INFO [stderr]    |
Nov 30 16:54:11.118 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 16:54:11.118 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 16:54:11.118 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 16:54:11.132 INFO [stderr] 
Nov 30 16:54:11.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 16:54:11.405 INFO [stderr]   --> src/ast/display.rs:10:13
Nov 30 16:54:11.405 INFO [stderr]    |
Nov 30 16:54:11.405 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Nov 30 16:54:11.405 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 16:54:11.405 INFO [stderr]    |
Nov 30 16:54:11.405 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 16:54:11.405 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 16:54:11.412 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 16:54:11.412 INFO [stderr] 
Nov 30 16:54:11.508 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
Nov 30 16:54:11.520 INFO [stderr] su: No module specific data is present
Nov 30 16:54:12.342 INFO running `"docker" "inspect" "ac81fc7a1552f44ad2a2163d868741da5141c475222a4cf16fdb24d080c4052e"`
Nov 30 16:54:12.623 INFO running `"docker" "rm" "-f" "ac81fc7a1552f44ad2a2163d868741da5141c475222a4cf16fdb24d080c4052e"`
Nov 30 16:54:12.832 INFO [stdout] ac81fc7a1552f44ad2a2163d868741da5141c475222a4cf16fdb24d080c4052e