Dec 11 06:32:37.221 INFO checking vtsingaras/visafe against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:32:37.221 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 06:32:37.786 INFO [stdout] 82ad1f41a49a3ba2e1f5585a5cce73ebeb54d235a734f55a8d83eb800e1256b8
Dec 11 06:32:37.788 INFO running `"docker" "start" "-a" "82ad1f41a49a3ba2e1f5585a5cce73ebeb54d235a734f55a8d83eb800e1256b8"`
Dec 11 06:32:39.332 INFO [stderr] usermod: no changes
Dec 11 06:32:39.392 INFO [stderr]     Checking visafe v0.1.0 (/source)
Dec 11 06:32:39.941 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:32:39.941 INFO [stderr]    --> src/main.rs:102:13
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr] 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Dec 11 06:32:39.941 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 11 06:32:39.941 INFO [stderr]     |             |
Dec 11 06:32:39.941 INFO [stderr]     |             help: remove this `mut`
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 06:32:39.941 INFO [stderr] 
Dec 11 06:32:39.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:32:39.941 INFO [stderr]   --> src/main.rs:39:9
Dec 11 06:32:39.941 INFO [stderr]    |
Dec 11 06:32:39.941 INFO [stderr] 39 |         io::stdout().flush();
Dec 11 06:32:39.941 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:32:39.941 INFO [stderr]    |
Dec 11 06:32:39.941 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:32:39.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:32:39.941 INFO [stderr] 
Dec 11 06:32:39.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:32:39.941 INFO [stderr]    --> src/main.rs:100:9
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr] 100 |         editor_cmd.wait();
Dec 11 06:32:39.941 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:32:39.941 INFO [stderr] 
Dec 11 06:32:39.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:32:39.941 INFO [stderr]    --> src/main.rs:124:13
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr] 124 |             fs::remove_file(tmppath_str.clone());
Dec 11 06:32:39.941 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:32:39.941 INFO [stderr] 
Dec 11 06:32:39.941 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:32:39.941 INFO [stderr]    --> src/main.rs:102:13
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr] 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Dec 11 06:32:39.941 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 11 06:32:39.941 INFO [stderr]     |             |
Dec 11 06:32:39.941 INFO [stderr]     |             help: remove this `mut`
Dec 11 06:32:39.941 INFO [stderr]     |
Dec 11 06:32:39.941 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 06:32:39.941 INFO [stderr] 
Dec 11 06:32:39.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:32:39.942 INFO [stderr]   --> src/main.rs:39:9
Dec 11 06:32:39.942 INFO [stderr]    |
Dec 11 06:32:39.942 INFO [stderr] 39 |         io::stdout().flush();
Dec 11 06:32:39.942 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:32:39.942 INFO [stderr]    |
Dec 11 06:32:39.942 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:32:39.942 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:32:39.942 INFO [stderr] 
Dec 11 06:32:39.942 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:32:39.943 INFO [stderr]    --> src/main.rs:100:9
Dec 11 06:32:39.943 INFO [stderr]     |
Dec 11 06:32:39.943 INFO [stderr] 100 |         editor_cmd.wait();
Dec 11 06:32:39.943 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 11 06:32:39.943 INFO [stderr]     |
Dec 11 06:32:39.943 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:32:39.943 INFO [stderr] 
Dec 11 06:32:39.948 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:32:39.948 INFO [stderr]    --> src/main.rs:124:13
Dec 11 06:32:39.948 INFO [stderr]     |
Dec 11 06:32:39.948 INFO [stderr] 124 |             fs::remove_file(tmppath_str.clone());
Dec 11 06:32:39.948 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:32:39.948 INFO [stderr]     |
Dec 11 06:32:39.948 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:32:39.948 INFO [stderr] 
Dec 11 06:32:39.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 11 06:32:40.020 INFO [stderr] su: No module specific data is present
Dec 11 06:32:40.994 INFO running `"docker" "inspect" "82ad1f41a49a3ba2e1f5585a5cce73ebeb54d235a734f55a8d83eb800e1256b8"`
Dec 11 06:32:41.310 INFO running `"docker" "rm" "-f" "82ad1f41a49a3ba2e1f5585a5cce73ebeb54d235a734f55a8d83eb800e1256b8"`
Dec 11 06:32:41.580 INFO [stdout] 82ad1f41a49a3ba2e1f5585a5cce73ebeb54d235a734f55a8d83eb800e1256b8