Dec 05 14:52:03.577 INFO checking csv_reader-0.1.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 14:52:03.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 14:52:03.975 INFO [stdout] 9e63067398ed293a152bb7eeb277ff5fccc763f5ef0b2d74677bdc0cc5134bd4
Dec 05 14:52:03.977 INFO running `"docker" "start" "-a" "9e63067398ed293a152bb7eeb277ff5fccc763f5ef0b2d74677bdc0cc5134bd4"`
Dec 05 14:52:04.787 INFO [stderr] usermod: no changes
Dec 05 14:52:04.826 INFO [stderr]     Checking csv_reader v0.1.1 (/source)
Dec 05 14:52:05.367 INFO [stderr] warning: variable does not need to be mutable
Dec 05 14:52:05.367 INFO [stderr]   --> src/main.rs:26:13
Dec 05 14:52:05.367 INFO [stderr]    |
Dec 05 14:52:05.367 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 05 14:52:05.367 INFO [stderr]    |             ----^^^^^^^
Dec 05 14:52:05.367 INFO [stderr]    |             |
Dec 05 14:52:05.367 INFO [stderr]    |             help: remove this `mut`
Dec 05 14:52:05.367 INFO [stderr]    |
Dec 05 14:52:05.367 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 14:52:05.367 INFO [stderr] 
Dec 05 14:52:05.376 INFO [stderr] warning: function is never used: `create`
Dec 05 14:52:05.376 INFO [stderr]   --> src/file_help.rs:16:1
Dec 05 14:52:05.376 INFO [stderr]    |
Dec 05 14:52:05.376 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 05 14:52:05.376 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.376 INFO [stderr]    |
Dec 05 14:52:05.376 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 14:52:05.376 INFO [stderr] 
Dec 05 14:52:05.376 INFO [stderr] warning: function is never used: `write`
Dec 05 14:52:05.376 INFO [stderr]   --> src/file_help.rs:30:1
Dec 05 14:52:05.376 INFO [stderr]    |
Dec 05 14:52:05.376 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 05 14:52:05.376 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.376 INFO [stderr] 
Dec 05 14:52:05.377 INFO [stderr] warning: function is never used: `delete`
Dec 05 14:52:05.377 INFO [stderr]   --> src/file_help.rs:43:1
Dec 05 14:52:05.377 INFO [stderr]    |
Dec 05 14:52:05.377 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 05 14:52:05.377 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.377 INFO [stderr] 
Dec 05 14:52:05.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.383 INFO [stderr]   --> src/file_help.rs:31:5
Dec 05 14:52:05.383 INFO [stderr]    |
Dec 05 14:52:05.383 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 05 14:52:05.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.383 INFO [stderr]    |
Dec 05 14:52:05.383 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:52:05.383 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.383 INFO [stderr] 
Dec 05 14:52:05.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.383 INFO [stderr]   --> src/file_help.rs:44:5
Dec 05 14:52:05.383 INFO [stderr]    |
Dec 05 14:52:05.383 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 05 14:52:05.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.383 INFO [stderr]    |
Dec 05 14:52:05.383 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.383 INFO [stderr] 
Dec 05 14:52:05.517 INFO [stderr] warning: variable does not need to be mutable
Dec 05 14:52:05.517 INFO [stderr]   --> src/main.rs:26:13
Dec 05 14:52:05.517 INFO [stderr]    |
Dec 05 14:52:05.517 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 05 14:52:05.517 INFO [stderr]    |             ----^^^^^^^
Dec 05 14:52:05.517 INFO [stderr]    |             |
Dec 05 14:52:05.517 INFO [stderr]    |             help: remove this `mut`
Dec 05 14:52:05.517 INFO [stderr]    |
Dec 05 14:52:05.517 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 14:52:05.517 INFO [stderr] 
Dec 05 14:52:05.526 INFO [stderr] warning: function is never used: `create`
Dec 05 14:52:05.526 INFO [stderr]   --> src/file_help.rs:16:1
Dec 05 14:52:05.526 INFO [stderr]    |
Dec 05 14:52:05.526 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 05 14:52:05.526 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.526 INFO [stderr]    |
Dec 05 14:52:05.526 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 14:52:05.526 INFO [stderr] 
Dec 05 14:52:05.526 INFO [stderr] warning: function is never used: `write`
Dec 05 14:52:05.526 INFO [stderr]   --> src/file_help.rs:30:1
Dec 05 14:52:05.526 INFO [stderr]    |
Dec 05 14:52:05.526 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 05 14:52:05.526 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.526 INFO [stderr] 
Dec 05 14:52:05.526 INFO [stderr] warning: function is never used: `delete`
Dec 05 14:52:05.526 INFO [stderr]   --> src/file_help.rs:43:1
Dec 05 14:52:05.526 INFO [stderr]    |
Dec 05 14:52:05.526 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 05 14:52:05.526 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.527 INFO [stderr] 
Dec 05 14:52:05.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.535 INFO [stderr]   --> src/file_help.rs:31:5
Dec 05 14:52:05.535 INFO [stderr]    |
Dec 05 14:52:05.535 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 05 14:52:05.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.535 INFO [stderr]    |
Dec 05 14:52:05.535 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:52:05.535 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.535 INFO [stderr] 
Dec 05 14:52:05.535 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.535 INFO [stderr]   --> src/file_help.rs:44:5
Dec 05 14:52:05.535 INFO [stderr]    |
Dec 05 14:52:05.535 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 05 14:52:05.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.535 INFO [stderr]    |
Dec 05 14:52:05.535 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.535 INFO [stderr] 
Dec 05 14:52:05.549 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 05 14:52:05.551 INFO [stderr] su: No module specific data is present
Dec 05 14:52:05.781 INFO running `"docker" "inspect" "9e63067398ed293a152bb7eeb277ff5fccc763f5ef0b2d74677bdc0cc5134bd4"`
Dec 05 14:52:05.856 INFO running `"docker" "rm" "-f" "9e63067398ed293a152bb7eeb277ff5fccc763f5ef0b2d74677bdc0cc5134bd4"`
Dec 05 14:52:05.977 INFO [stdout] 9e63067398ed293a152bb7eeb277ff5fccc763f5ef0b2d74677bdc0cc5134bd4