Nov 03 20:29:23.891 INFO checking vtsingaras/visafe against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 03 20:29:23.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 03 20:29:24.312 INFO blam! f886cdfdd85cbe48e1144c67a8f4edf45e54490ff17ebfb3d6e6dd9d00eba36a
Nov 03 20:29:24.315 INFO running `"docker" "start" "-a" "f886cdfdd85cbe48e1144c67a8f4edf45e54490ff17ebfb3d6e6dd9d00eba36a"`
Nov 03 20:29:26.402 INFO kablam! usermod: no changes
Nov 03 20:29:26.475 INFO kablam!     Checking argparse v0.2.1
Nov 03 20:29:27.401 INFO kablam!     Checking visafe v0.1.0 (/source)
Nov 03 20:29:27.836 INFO kablam! warning: variable does not need to be mutable
Nov 03 20:29:27.836 INFO kablam!    --> src/main.rs:102:13
Nov 03 20:29:27.837 INFO kablam!     |
Nov 03 20:29:27.838 INFO kablam! 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Nov 03 20:29:27.839 INFO kablam!     |             ----^^^^^^^^^^^
Nov 03 20:29:27.839 INFO kablam!     |             |
Nov 03 20:29:27.840 INFO kablam!     |             help: remove this `mut`
Nov 03 20:29:27.841 INFO kablam!     |
Nov 03 20:29:27.841 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 20:29:27.842 INFO kablam! 
Nov 03 20:29:27.843 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 20:29:27.843 INFO kablam!   --> src/main.rs:39:9
Nov 03 20:29:27.844 INFO kablam!    |
Nov 03 20:29:27.845 INFO kablam! 39 |         io::stdout().flush();
Nov 03 20:29:27.846 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 03 20:29:27.846 INFO kablam!    |
Nov 03 20:29:27.847 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 03 20:29:27.848 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 20:29:27.848 INFO kablam! 
Nov 03 20:29:27.848 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 20:29:27.849 INFO kablam!    --> src/main.rs:100:9
Nov 03 20:29:27.849 INFO kablam!     |
Nov 03 20:29:27.849 INFO kablam! 100 |         editor_cmd.wait();
Nov 03 20:29:27.850 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Nov 03 20:29:27.850 INFO kablam!     |
Nov 03 20:29:27.851 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 20:29:27.851 INFO kablam! 
Nov 03 20:29:27.851 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 20:29:27.852 INFO kablam!    --> src/main.rs:124:13
Nov 03 20:29:27.852 INFO kablam!     |
Nov 03 20:29:27.852 INFO kablam! 124 |             fs::remove_file(tmppath_str.clone());
Nov 03 20:29:27.852 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 20:29:27.853 INFO kablam!     |
Nov 03 20:29:27.853 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 20:29:27.854 INFO kablam! 
Nov 03 20:29:27.903 INFO kablam! warning: variable does not need to be mutable
Nov 03 20:29:27.904 INFO kablam!    --> src/main.rs:102:13
Nov 03 20:29:27.905 INFO kablam!     |
Nov 03 20:29:27.906 INFO kablam! 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Nov 03 20:29:27.906 INFO kablam!     |             ----^^^^^^^^^^^
Nov 03 20:29:27.907 INFO kablam!     |             |
Nov 03 20:29:27.908 INFO kablam!     |             help: remove this `mut`
Nov 03 20:29:27.908 INFO kablam!     |
Nov 03 20:29:27.909 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 20:29:27.910 INFO kablam! 
Nov 03 20:29:27.910 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 20:29:27.911 INFO kablam!   --> src/main.rs:39:9
Nov 03 20:29:27.912 INFO kablam!    |
Nov 03 20:29:27.912 INFO kablam! 39 |         io::stdout().flush();
Nov 03 20:29:27.913 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 03 20:29:27.914 INFO kablam!    |
Nov 03 20:29:27.914 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 03 20:29:27.915 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 20:29:27.916 INFO kablam! 
Nov 03 20:29:27.916 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 20:29:27.917 INFO kablam!    --> src/main.rs:100:9
Nov 03 20:29:27.918 INFO kablam!     |
Nov 03 20:29:27.918 INFO kablam! 100 |         editor_cmd.wait();
Nov 03 20:29:27.919 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Nov 03 20:29:27.920 INFO kablam!     |
Nov 03 20:29:27.920 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 20:29:27.921 INFO kablam! 
Nov 03 20:29:27.921 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 20:29:27.922 INFO kablam!    --> src/main.rs:124:13
Nov 03 20:29:27.923 INFO kablam!     |
Nov 03 20:29:27.923 INFO kablam! 124 |             fs::remove_file(tmppath_str.clone());
Nov 03 20:29:27.924 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 20:29:27.925 INFO kablam!     |
Nov 03 20:29:27.925 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 20:29:27.926 INFO kablam! 
Nov 03 20:29:27.957 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Nov 03 20:29:27.960 INFO kablam! su: No module specific data is present
Nov 03 20:29:29.376 INFO running `"docker" "rm" "-f" "f886cdfdd85cbe48e1144c67a8f4edf45e54490ff17ebfb3d6e6dd9d00eba36a"`
Nov 03 20:29:29.735 INFO blam! f886cdfdd85cbe48e1144c67a8f4edf45e54490ff17ebfb3d6e6dd9d00eba36a