Dec 12 14:58:24.140 INFO checking flexlint-0.2.4 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 14:58:24.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 14:58:24.372 INFO [stdout] 4153cad5c65ff3ac823b67d3d358a56c10a311ac3e92dafb7beaa49fee5a4dce
Dec 12 14:58:24.378 INFO running `"docker" "start" "-a" "4153cad5c65ff3ac823b67d3d358a56c10a311ac3e92dafb7beaa49fee5a4dce"`
Dec 12 14:58:25.438 INFO [stderr] usermod: no changes
Dec 12 14:58:25.564 INFO [stderr]     Checking flexlint v0.2.4 (/source)
Dec 12 14:58:29.768 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:58:29.768 INFO [stderr]    --> src/printer.rs:127:13
Dec 12 14:58:29.768 INFO [stderr]     |
Dec 12 14:58:29.768 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 12 14:58:29.768 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:58:29.768 INFO [stderr]     |
Dec 12 14:58:29.768 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 14:58:29.768 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:58:29.768 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)
Dec 12 14:58:29.768 INFO [stderr] 
Dec 12 14:58:30.052 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:58:30.052 INFO [stderr]    --> src/printer.rs:127:13
Dec 12 14:58:30.052 INFO [stderr]     |
Dec 12 14:58:30.052 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 12 14:58:30.052 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:58:30.052 INFO [stderr]     |
Dec 12 14:58:30.052 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 14:58:30.052 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:58:30.052 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)
Dec 12 14:58:30.052 INFO [stderr] 
Dec 12 14:58:30.084 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
Dec 12 14:58:30.088 INFO [stderr] su: No module specific data is present
Dec 12 14:58:30.722 INFO running `"docker" "inspect" "4153cad5c65ff3ac823b67d3d358a56c10a311ac3e92dafb7beaa49fee5a4dce"`
Dec 12 14:58:30.996 INFO running `"docker" "rm" "-f" "4153cad5c65ff3ac823b67d3d358a56c10a311ac3e92dafb7beaa49fee5a4dce"`
Dec 12 14:58:31.288 INFO [stdout] 4153cad5c65ff3ac823b67d3d358a56c10a311ac3e92dafb7beaa49fee5a4dce