Oct 13 16:21:56.481 INFO checking csvll-0.1.6 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 16:21:56.482 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 13 16:21:56.730 INFO blam! fa388c9fb71831c5e9787576cbe2641633ab67755064888afbba375e1b49c119
Oct 13 16:21:56.731 INFO running `"docker" "start" "-a" "fa388c9fb71831c5e9787576cbe2641633ab67755064888afbba375e1b49c119"`
Oct 13 16:21:57.388 INFO kablam! usermod: no changes
Oct 13 16:21:57.424 INFO kablam!     Checking csvll v0.1.6 (/source)
Oct 13 16:21:58.152 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:21:58.152 INFO kablam!   --> src/lib.rs:29:13
Oct 13 16:21:58.152 INFO kablam!    |
Oct 13 16:21:58.152 INFO kablam! 29 |         let mut content = file_help::read(&mut self.file);
Oct 13 16:21:58.152 INFO kablam!    |             ----^^^^^^^
Oct 13 16:21:58.152 INFO kablam!    |             |
Oct 13 16:21:58.152 INFO kablam!    |             help: remove this `mut`
Oct 13 16:21:58.152 INFO kablam!    |
Oct 13 16:21:58.152 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:21:58.152 INFO kablam! 
Oct 13 16:21:58.152 INFO kablam! warning: function is never used: `create`
Oct 13 16:21:58.152 INFO kablam!   --> src/file_help.rs:16:1
Oct 13 16:21:58.152 INFO kablam!    |
Oct 13 16:21:58.152 INFO kablam! 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Oct 13 16:21:58.152 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.152 INFO kablam!    |
Oct 13 16:21:58.152 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 16:21:58.152 INFO kablam! 
Oct 13 16:21:58.152 INFO kablam! warning: function is never used: `write`
Oct 13 16:21:58.152 INFO kablam!   --> src/file_help.rs:30:1
Oct 13 16:21:58.152 INFO kablam!    |
Oct 13 16:21:58.153 INFO kablam! 30 | pub fn write(file: &mut File, content: &String) {
Oct 13 16:21:58.153 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.153 INFO kablam! 
Oct 13 16:21:58.153 INFO kablam! warning: function is never used: `delete`
Oct 13 16:21:58.153 INFO kablam!   --> src/file_help.rs:43:1
Oct 13 16:21:58.153 INFO kablam!    |
Oct 13 16:21:58.153 INFO kablam! 43 | pub fn delete(direc: String, name: String, extension: String) {
Oct 13 16:21:58.153 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.153 INFO kablam! 
Oct 13 16:21:58.163 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 16:21:58.163 INFO kablam!   --> src/file_help.rs:31:5
Oct 13 16:21:58.163 INFO kablam!    |
Oct 13 16:21:58.163 INFO kablam! 31 |     file.write_all(content.as_bytes());
Oct 13 16:21:58.163 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.163 INFO kablam!    |
Oct 13 16:21:58.163 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 16:21:58.163 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 16:21:58.163 INFO kablam! 
Oct 13 16:21:58.163 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 16:21:58.163 INFO kablam!   --> src/file_help.rs:44:5
Oct 13 16:21:58.163 INFO kablam!    |
Oct 13 16:21:58.163 INFO kablam! 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Oct 13 16:21:58.163 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.163 INFO kablam!    |
Oct 13 16:21:58.163 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 16:21:58.163 INFO kablam! 
Oct 13 16:21:58.266 INFO kablam! warning: variable does not need to be mutable
Oct 13 16:21:58.266 INFO kablam!   --> src/lib.rs:29:13
Oct 13 16:21:58.266 INFO kablam!    |
Oct 13 16:21:58.266 INFO kablam! 29 |         let mut content = file_help::read(&mut self.file);
Oct 13 16:21:58.266 INFO kablam!    |             ----^^^^^^^
Oct 13 16:21:58.266 INFO kablam!    |             |
Oct 13 16:21:58.266 INFO kablam!    |             help: remove this `mut`
Oct 13 16:21:58.266 INFO kablam!    |
Oct 13 16:21:58.266 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 16:21:58.266 INFO kablam! 
Oct 13 16:21:58.271 INFO kablam! warning: function is never used: `create`
Oct 13 16:21:58.271 INFO kablam!   --> src/file_help.rs:16:1
Oct 13 16:21:58.271 INFO kablam!    |
Oct 13 16:21:58.271 INFO kablam! 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Oct 13 16:21:58.271 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.271 INFO kablam!    |
Oct 13 16:21:58.271 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 16:21:58.271 INFO kablam! 
Oct 13 16:21:58.271 INFO kablam! warning: function is never used: `write`
Oct 13 16:21:58.271 INFO kablam!   --> src/file_help.rs:30:1
Oct 13 16:21:58.271 INFO kablam!    |
Oct 13 16:21:58.271 INFO kablam! 30 | pub fn write(file: &mut File, content: &String) {
Oct 13 16:21:58.271 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.271 INFO kablam! 
Oct 13 16:21:58.271 INFO kablam! warning: function is never used: `delete`
Oct 13 16:21:58.271 INFO kablam!   --> src/file_help.rs:43:1
Oct 13 16:21:58.271 INFO kablam!    |
Oct 13 16:21:58.271 INFO kablam! 43 | pub fn delete(direc: String, name: String, extension: String) {
Oct 13 16:21:58.271 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.271 INFO kablam! 
Oct 13 16:21:58.278 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 16:21:58.278 INFO kablam!   --> src/file_help.rs:31:5
Oct 13 16:21:58.278 INFO kablam!    |
Oct 13 16:21:58.278 INFO kablam! 31 |     file.write_all(content.as_bytes());
Oct 13 16:21:58.278 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.278 INFO kablam!    |
Oct 13 16:21:58.278 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 16:21:58.278 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 16:21:58.278 INFO kablam! 
Oct 13 16:21:58.278 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 16:21:58.278 INFO kablam!   --> src/file_help.rs:44:5
Oct 13 16:21:58.278 INFO kablam!    |
Oct 13 16:21:58.278 INFO kablam! 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Oct 13 16:21:58.278 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:21:58.278 INFO kablam!    |
Oct 13 16:21:58.278 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 16:21:58.278 INFO kablam! 
Oct 13 16:21:58.300 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Oct 13 16:21:58.301 INFO kablam! su: No module specific data is present
Oct 13 16:21:58.648 INFO running `"docker" "rm" "-f" "fa388c9fb71831c5e9787576cbe2641633ab67755064888afbba375e1b49c119"`
Oct 13 16:21:58.908 INFO blam! fa388c9fb71831c5e9787576cbe2641633ab67755064888afbba375e1b49c119