Dec 05 13:45:51.259 INFO checking flexlint-0.2.4 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 13:45:51.259 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 13:45:51.563 INFO [stdout] 30858c8dba7d49dfef4ade253bc7eab197deb58adc2928d32115d9f1f3ed5bf9
Dec 05 13:45:51.569 INFO running `"docker" "start" "-a" "30858c8dba7d49dfef4ade253bc7eab197deb58adc2928d32115d9f1f3ed5bf9"`
Dec 05 13:45:52.715 INFO [stderr] usermod: no changes
Dec 05 13:45:52.824 INFO [stderr]     Checking flexlint v0.2.4 (/source)
Dec 05 13:45:56.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:45:56.079 INFO [stderr]    --> src/printer.rs:127:13
Dec 05 13:45:56.079 INFO [stderr]     |
Dec 05 13:45:56.079 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 05 13:45:56.079 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:45:56.079 INFO [stderr]     |
Dec 05 13:45:56.079 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 13:45:56.079 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:45:56.079 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 05 13:45:56.079 INFO [stderr] 
Dec 05 13:45:56.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:45:56.324 INFO [stderr]    --> src/printer.rs:127:13
Dec 05 13:45:56.324 INFO [stderr]     |
Dec 05 13:45:56.324 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 05 13:45:56.324 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:45:56.324 INFO [stderr]     |
Dec 05 13:45:56.324 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 13:45:56.324 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:45:56.324 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 05 13:45:56.324 INFO [stderr] 
Dec 05 13:45:56.368 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
Dec 05 13:45:56.375 INFO [stderr] su: No module specific data is present
Dec 05 13:45:57.041 INFO running `"docker" "inspect" "30858c8dba7d49dfef4ade253bc7eab197deb58adc2928d32115d9f1f3ed5bf9"`
Dec 05 13:45:57.272 INFO running `"docker" "rm" "-f" "30858c8dba7d49dfef4ade253bc7eab197deb58adc2928d32115d9f1f3ed5bf9"`
Dec 05 13:45:57.631 INFO [stdout] 30858c8dba7d49dfef4ade253bc7eab197deb58adc2928d32115d9f1f3ed5bf9