Oct 12 11:05:02.365 INFO checking vtsingaras/visafe against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:05:02.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 11:05:02.928 INFO blam! 89f55fdccf00e88a9d428689314a805bb00bb68f5bd8c6967a0bb3222d318ea6
Oct 12 11:05:02.944 INFO running `"docker" "start" "-a" "89f55fdccf00e88a9d428689314a805bb00bb68f5bd8c6967a0bb3222d318ea6"`
Oct 12 11:05:04.364 INFO kablam! usermod: no changes
Oct 12 11:05:04.440 INFO kablam!     Checking argparse v0.2.1
Oct 12 11:05:05.359 INFO kablam!     Checking visafe v0.1.0 (/source)
Oct 12 11:05:05.762 INFO kablam! warning: variable does not need to be mutable
Oct 12 11:05:05.763 INFO kablam!    --> src/main.rs:102:13
Oct 12 11:05:05.764 INFO kablam!     |
Oct 12 11:05:05.764 INFO kablam! 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Oct 12 11:05:05.765 INFO kablam!     |             ----^^^^^^^^^^^
Oct 12 11:05:05.766 INFO kablam!     |             |
Oct 12 11:05:05.766 INFO kablam!     |             help: remove this `mut`
Oct 12 11:05:05.767 INFO kablam!     |
Oct 12 11:05:05.767 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 11:05:05.768 INFO kablam! 
Oct 12 11:05:05.776 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 11:05:05.777 INFO kablam!   --> src/main.rs:39:9
Oct 12 11:05:05.777 INFO kablam!    |
Oct 12 11:05:05.777 INFO kablam! 39 |         io::stdout().flush();
Oct 12 11:05:05.777 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:05:05.784 INFO kablam!    |
Oct 12 11:05:05.784 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 11:05:05.784 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 11:05:05.785 INFO kablam! 
Oct 12 11:05:05.785 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 11:05:05.785 INFO kablam!    --> src/main.rs:100:9
Oct 12 11:05:05.785 INFO kablam!     |
Oct 12 11:05:05.785 INFO kablam! 100 |         editor_cmd.wait();
Oct 12 11:05:05.785 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Oct 12 11:05:05.785 INFO kablam!     |
Oct 12 11:05:05.785 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 11:05:05.785 INFO kablam! 
Oct 12 11:05:05.785 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 11:05:05.785 INFO kablam!    --> src/main.rs:124:13
Oct 12 11:05:05.785 INFO kablam!     |
Oct 12 11:05:05.785 INFO kablam! 124 |             fs::remove_file(tmppath_str.clone());
Oct 12 11:05:05.785 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:05:05.785 INFO kablam!     |
Oct 12 11:05:05.785 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 11:05:05.785 INFO kablam! 
Oct 12 11:05:05.828 INFO kablam! warning: variable does not need to be mutable
Oct 12 11:05:05.828 INFO kablam!    --> src/main.rs:102:13
Oct 12 11:05:05.828 INFO kablam!     |
Oct 12 11:05:05.828 INFO kablam! 102 |         let mut checker_cmd = Command::new(options.checker.as_str()).arg(tmppath_str.clone()).stdout(Stdio::piped())
Oct 12 11:05:05.828 INFO kablam!     |             ----^^^^^^^^^^^
Oct 12 11:05:05.828 INFO kablam!     |             |
Oct 12 11:05:05.828 INFO kablam!     |             help: remove this `mut`
Oct 12 11:05:05.828 INFO kablam!     |
Oct 12 11:05:05.828 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 11:05:05.828 INFO kablam! 
Oct 12 11:05:05.852 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 11:05:05.852 INFO kablam!   --> src/main.rs:39:9
Oct 12 11:05:05.852 INFO kablam!    |
Oct 12 11:05:05.852 INFO kablam! 39 |         io::stdout().flush();
Oct 12 11:05:05.852 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:05:05.852 INFO kablam!    |
Oct 12 11:05:05.852 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 11:05:05.854 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 11:05:05.854 INFO kablam! 
Oct 12 11:05:05.854 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 11:05:05.854 INFO kablam!    --> src/main.rs:100:9
Oct 12 11:05:05.854 INFO kablam!     |
Oct 12 11:05:05.854 INFO kablam! 100 |         editor_cmd.wait();
Oct 12 11:05:05.854 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Oct 12 11:05:05.854 INFO kablam!     |
Oct 12 11:05:05.854 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 11:05:05.854 INFO kablam! 
Oct 12 11:05:05.854 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 11:05:05.854 INFO kablam!    --> src/main.rs:124:13
Oct 12 11:05:05.854 INFO kablam!     |
Oct 12 11:05:05.854 INFO kablam! 124 |             fs::remove_file(tmppath_str.clone());
Oct 12 11:05:05.854 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:05:05.854 INFO kablam!     |
Oct 12 11:05:05.855 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 11:05:05.855 INFO kablam! 
Oct 12 11:05:05.888 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Oct 12 11:05:05.890 INFO kablam! su: No module specific data is present
Oct 12 11:05:06.789 INFO running `"docker" "rm" "-f" "89f55fdccf00e88a9d428689314a805bb00bb68f5bd8c6967a0bb3222d318ea6"`
Oct 12 11:05:07.087 INFO blam! 89f55fdccf00e88a9d428689314a805bb00bb68f5bd8c6967a0bb3222d318ea6