Nov 29 15:21:18.314 INFO checking vtsingaras/visafe against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 15:21:18.315 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 15:21:18.736 INFO [stdout] c6ae8b968cef1a2b57b110dcf8fbcff38632b3a4341cfdb90e022297e510ca66
Nov 29 15:21:18.744 INFO running `"docker" "start" "-a" "c6ae8b968cef1a2b57b110dcf8fbcff38632b3a4341cfdb90e022297e510ca66"`
Nov 29 15:21:19.547 INFO [stderr] usermod: no changes
Nov 29 15:21:19.584 INFO [stderr]     Checking visafe v0.1.0 (/source)
Nov 29 15:21:19.784 INFO [stderr] warning: variable does not need to be mutable
Nov 29 15:21:19.784 INFO [stderr]    --> src/main.rs:102:13
Nov 29 15:21:19.784 INFO [stderr]     |
Nov 29 15:21:19.784 INFO [stderr] 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Nov 29 15:21:19.784 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 29 15:21:19.784 INFO [stderr]     |             |
Nov 29 15:21:19.784 INFO [stderr]     |             help: remove this `mut`
Nov 29 15:21:19.784 INFO [stderr]     |
Nov 29 15:21:19.784 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 15:21:19.784 INFO [stderr] 
Nov 29 15:21:19.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:21:19.784 INFO [stderr]   --> src/main.rs:39:9
Nov 29 15:21:19.784 INFO [stderr]    |
Nov 29 15:21:19.784 INFO [stderr] 39 |         io::stdout().flush();
Nov 29 15:21:19.784 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:21:19.784 INFO [stderr]    |
Nov 29 15:21:19.784 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 15:21:19.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:21:19.784 INFO [stderr] 
Nov 29 15:21:19.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:21:19.784 INFO [stderr]    --> src/main.rs:100:9
Nov 29 15:21:19.784 INFO [stderr]     |
Nov 29 15:21:19.784 INFO [stderr] 100 |         editor_cmd.wait();
Nov 29 15:21:19.784 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Nov 29 15:21:19.784 INFO [stderr]     |
Nov 29 15:21:19.784 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:21:19.784 INFO [stderr] 
Nov 29 15:21:19.785 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:21:19.785 INFO [stderr]    --> src/main.rs:124:13
Nov 29 15:21:19.785 INFO [stderr]     |
Nov 29 15:21:19.785 INFO [stderr] 124 |             fs::remove_file(tmppath_str.clone());
Nov 29 15:21:19.785 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:21:19.785 INFO [stderr]     |
Nov 29 15:21:19.785 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:21:19.785 INFO [stderr] 
Nov 29 15:21:19.809 INFO [stderr] warning: variable does not need to be mutable
Nov 29 15:21:19.809 INFO [stderr]    --> src/main.rs:102:13
Nov 29 15:21:19.809 INFO [stderr]     |
Nov 29 15:21:19.809 INFO [stderr] 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Nov 29 15:21:19.809 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 29 15:21:19.809 INFO [stderr]     |             |
Nov 29 15:21:19.809 INFO [stderr]     |             help: remove this `mut`
Nov 29 15:21:19.809 INFO [stderr]     |
Nov 29 15:21:19.809 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 15:21:19.809 INFO [stderr] 
Nov 29 15:21:19.809 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:21:19.809 INFO [stderr]   --> src/main.rs:39:9
Nov 29 15:21:19.809 INFO [stderr]    |
Nov 29 15:21:19.809 INFO [stderr] 39 |         io::stdout().flush();
Nov 29 15:21:19.809 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:21:19.809 INFO [stderr]    |
Nov 29 15:21:19.809 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 15:21:19.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:21:19.810 INFO [stderr] 
Nov 29 15:21:19.810 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:21:19.810 INFO [stderr]    --> src/main.rs:100:9
Nov 29 15:21:19.810 INFO [stderr]     |
Nov 29 15:21:19.810 INFO [stderr] 100 |         editor_cmd.wait();
Nov 29 15:21:19.810 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Nov 29 15:21:19.810 INFO [stderr]     |
Nov 29 15:21:19.810 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:21:19.810 INFO [stderr] 
Nov 29 15:21:19.810 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:21:19.810 INFO [stderr]    --> src/main.rs:124:13
Nov 29 15:21:19.810 INFO [stderr]     |
Nov 29 15:21:19.810 INFO [stderr] 124 |             fs::remove_file(tmppath_str.clone());
Nov 29 15:21:19.810 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:21:19.810 INFO [stderr]     |
Nov 29 15:21:19.810 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:21:19.810 INFO [stderr] 
Nov 29 15:21:19.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Nov 29 15:21:19.828 INFO [stderr] su: No module specific data is present
Nov 29 15:21:20.238 INFO running `"docker" "inspect" "c6ae8b968cef1a2b57b110dcf8fbcff38632b3a4341cfdb90e022297e510ca66"`
Nov 29 15:21:20.458 INFO running `"docker" "rm" "-f" "c6ae8b968cef1a2b57b110dcf8fbcff38632b3a4341cfdb90e022297e510ca66"`
Nov 29 15:21:20.767 INFO [stdout] c6ae8b968cef1a2b57b110dcf8fbcff38632b3a4341cfdb90e022297e510ca66