Nov 28 08:55:05.071 INFO checking balta2ar/brotab against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 08:55:05.071 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 08:55:05.588 INFO [stdout] 3a615db152354e9a75224843b305718db404ac2bb5d1c41227c5f1e5fb640f6f
Nov 28 08:55:05.590 INFO running `"docker" "start" "-a" "3a615db152354e9a75224843b305718db404ac2bb5d1c41227c5f1e5fb640f6f"`
Nov 28 08:55:06.524 INFO [stderr] usermod: no changes
Nov 28 08:55:06.849 INFO [stderr]     Checking brotab v0.1.0 (/source)
Nov 28 08:55:12.441 INFO [stderr] warning: unused import: `std::thread`
Nov 28 08:55:12.441 INFO [stderr]   --> src/main.rs:10:5
Nov 28 08:55:12.441 INFO [stderr]    |
Nov 28 08:55:12.442 INFO [stderr] 10 | use std::thread;
Nov 28 08:55:12.442 INFO [stderr]    |     ^^^^^^^^^^^
Nov 28 08:55:12.442 INFO [stderr]    |
Nov 28 08:55:12.442 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 08:55:12.443 INFO [stderr] 
Nov 28 08:55:12.443 INFO [stderr] warning: unused import: `Arg`
Nov 28 08:55:12.443 INFO [stderr]   --> src/main.rs:16:17
Nov 28 08:55:12.443 INFO [stderr]    |
Nov 28 08:55:12.444 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Nov 28 08:55:12.444 INFO [stderr]    |                 ^^^
Nov 28 08:55:12.444 INFO [stderr] 
Nov 28 08:55:12.595 INFO [stderr] warning: unused import: `std::thread`
Nov 28 08:55:12.595 INFO [stderr]   --> src/main.rs:10:5
Nov 28 08:55:12.595 INFO [stderr]    |
Nov 28 08:55:12.595 INFO [stderr] 10 | use std::thread;
Nov 28 08:55:12.595 INFO [stderr]    |     ^^^^^^^^^^^
Nov 28 08:55:12.595 INFO [stderr]    |
Nov 28 08:55:12.595 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 08:55:12.595 INFO [stderr] 
Nov 28 08:55:12.595 INFO [stderr] warning: unused import: `Arg`
Nov 28 08:55:12.595 INFO [stderr]   --> src/main.rs:16:17
Nov 28 08:55:12.595 INFO [stderr]    |
Nov 28 08:55:12.595 INFO [stderr] 16 | use clap::{App, Arg, SubCommand};
Nov 28 08:55:12.595 INFO [stderr]    |                 ^^^
Nov 28 08:55:12.595 INFO [stderr] 
Nov 28 08:55:12.721 INFO [stderr] warning: unused variable: `text`
Nov 28 08:55:12.721 INFO [stderr]   --> src/main.rs:54:24
Nov 28 08:55:12.721 INFO [stderr]    |
Nov 28 08:55:12.722 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Nov 28 08:55:12.722 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Nov 28 08:55:12.722 INFO [stderr]    |
Nov 28 08:55:12.722 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:55:12.723 INFO [stderr] 
Nov 28 08:55:12.740 INFO [stderr] warning: unused variable: `text`
Nov 28 08:55:12.741 INFO [stderr]   --> src/main.rs:54:24
Nov 28 08:55:12.741 INFO [stderr]    |
Nov 28 08:55:12.741 INFO [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
Nov 28 08:55:12.741 INFO [stderr]    |                        ^^^^ help: consider using `_text` instead
Nov 28 08:55:12.742 INFO [stderr]    |
Nov 28 08:55:12.742 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 08:55:12.742 INFO [stderr] 
Nov 28 08:55:12.781 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:55:12.781 INFO [stderr]   --> src/main.rs:58:5
Nov 28 08:55:12.782 INFO [stderr]    |
Nov 28 08:55:12.782 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Nov 28 08:55:12.782 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:55:12.783 INFO [stderr]    |
Nov 28 08:55:12.783 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 08:55:12.783 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:55:12.784 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 28 08:55:12.784 INFO [stderr] 
Nov 28 08:55:12.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:55:12.784 INFO [stderr]   --> src/main.rs:67:9
Nov 28 08:55:12.785 INFO [stderr]    |
Nov 28 08:55:12.785 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Nov 28 08:55:12.786 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:55:12.786 INFO [stderr]    |
Nov 28 08:55:12.786 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:55:12.786 INFO [stderr] 
Nov 28 08:55:12.787 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:55:12.787 INFO [stderr]   --> src/main.rs:58:5
Nov 28 08:55:12.787 INFO [stderr]    |
Nov 28 08:55:12.788 INFO [stderr] 58 |     write!(tmpfile, "{}", "before");
Nov 28 08:55:12.788 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:55:12.788 INFO [stderr]    |
Nov 28 08:55:12.789 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 08:55:12.789 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:55:12.789 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 28 08:55:12.789 INFO [stderr] 
Nov 28 08:55:12.790 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:55:12.790 INFO [stderr]   --> src/main.rs:67:9
Nov 28 08:55:12.790 INFO [stderr]    |
Nov 28 08:55:12.790 INFO [stderr] 67 |         file.read_to_string(&mut contents);
Nov 28 08:55:12.791 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:55:12.791 INFO [stderr]    |
Nov 28 08:55:12.791 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:55:12.791 INFO [stderr] 
Nov 28 08:55:12.825 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
Nov 28 08:55:12.863 INFO [stderr] su: No module specific data is present
Nov 28 08:55:13.623 INFO running `"docker" "inspect" "3a615db152354e9a75224843b305718db404ac2bb5d1c41227c5f1e5fb640f6f"`
Nov 28 08:55:13.957 INFO running `"docker" "rm" "-f" "3a615db152354e9a75224843b305718db404ac2bb5d1c41227c5f1e5fb640f6f"`
Nov 28 08:55:14.305 INFO [stdout] 3a615db152354e9a75224843b305718db404ac2bb5d1c41227c5f1e5fb640f6f