Dec 05 14:52:03.633 INFO checking csv_reader-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:52:03.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 14:52:04.038 INFO [stdout] 573ddca3bc0cb0b0811784be755b6b69d6ed04cd84ff347ed4ed56a784724889
Dec 05 14:52:04.040 INFO running `"docker" "start" "-a" "573ddca3bc0cb0b0811784be755b6b69d6ed04cd84ff347ed4ed56a784724889"`
Dec 05 14:52:04.723 INFO [stderr] usermod: no changes
Dec 05 14:52:04.759 INFO [stderr]     Checking csv_reader v0.1.1 (/source)
Dec 05 14:52:05.295 INFO [stderr] warning: variable does not need to be mutable
Dec 05 14:52:05.295 INFO [stderr]   --> src/main.rs:26:13
Dec 05 14:52:05.295 INFO [stderr]    |
Dec 05 14:52:05.295 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 05 14:52:05.295 INFO [stderr]    |             ----^^^^^^^
Dec 05 14:52:05.295 INFO [stderr]    |             |
Dec 05 14:52:05.295 INFO [stderr]    |             help: remove this `mut`
Dec 05 14:52:05.295 INFO [stderr]    |
Dec 05 14:52:05.295 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 14:52:05.295 INFO [stderr] 
Dec 05 14:52:05.299 INFO [stderr] warning: function is never used: `create`
Dec 05 14:52:05.299 INFO [stderr]   --> src/file_help.rs:16:1
Dec 05 14:52:05.299 INFO [stderr]    |
Dec 05 14:52:05.299 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 05 14:52:05.299 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.299 INFO [stderr]    |
Dec 05 14:52:05.299 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 14:52:05.299 INFO [stderr] 
Dec 05 14:52:05.299 INFO [stderr] warning: function is never used: `write`
Dec 05 14:52:05.299 INFO [stderr]   --> src/file_help.rs:30:1
Dec 05 14:52:05.299 INFO [stderr]    |
Dec 05 14:52:05.299 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 05 14:52:05.299 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.299 INFO [stderr] 
Dec 05 14:52:05.299 INFO [stderr] warning: function is never used: `delete`
Dec 05 14:52:05.299 INFO [stderr]   --> src/file_help.rs:43:1
Dec 05 14:52:05.299 INFO [stderr]    |
Dec 05 14:52:05.299 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 05 14:52:05.299 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.299 INFO [stderr] 
Dec 05 14:52:05.308 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.308 INFO [stderr]   --> src/file_help.rs:31:5
Dec 05 14:52:05.308 INFO [stderr]    |
Dec 05 14:52:05.308 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 05 14:52:05.308 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.308 INFO [stderr]    |
Dec 05 14:52:05.308 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:52:05.308 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.308 INFO [stderr] 
Dec 05 14:52:05.308 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.308 INFO [stderr]   --> src/file_help.rs:44:5
Dec 05 14:52:05.308 INFO [stderr]    |
Dec 05 14:52:05.308 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 05 14:52:05.308 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.308 INFO [stderr]    |
Dec 05 14:52:05.308 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.308 INFO [stderr] 
Dec 05 14:52:05.419 INFO [stderr] warning: variable does not need to be mutable
Dec 05 14:52:05.419 INFO [stderr]   --> src/main.rs:26:13
Dec 05 14:52:05.419 INFO [stderr]    |
Dec 05 14:52:05.419 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 05 14:52:05.419 INFO [stderr]    |             ----^^^^^^^
Dec 05 14:52:05.419 INFO [stderr]    |             |
Dec 05 14:52:05.419 INFO [stderr]    |             help: remove this `mut`
Dec 05 14:52:05.419 INFO [stderr]    |
Dec 05 14:52:05.419 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 14:52:05.419 INFO [stderr] 
Dec 05 14:52:05.428 INFO [stderr] warning: function is never used: `create`
Dec 05 14:52:05.428 INFO [stderr]   --> src/file_help.rs:16:1
Dec 05 14:52:05.428 INFO [stderr]    |
Dec 05 14:52:05.428 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 05 14:52:05.428 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.428 INFO [stderr]    |
Dec 05 14:52:05.428 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 14:52:05.428 INFO [stderr] 
Dec 05 14:52:05.428 INFO [stderr] warning: function is never used: `write`
Dec 05 14:52:05.428 INFO [stderr]   --> src/file_help.rs:30:1
Dec 05 14:52:05.428 INFO [stderr]    |
Dec 05 14:52:05.428 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 05 14:52:05.428 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.428 INFO [stderr] 
Dec 05 14:52:05.428 INFO [stderr] warning: function is never used: `delete`
Dec 05 14:52:05.428 INFO [stderr]   --> src/file_help.rs:43:1
Dec 05 14:52:05.428 INFO [stderr]    |
Dec 05 14:52:05.428 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 05 14:52:05.428 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.429 INFO [stderr] 
Dec 05 14:52:05.437 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.437 INFO [stderr]   --> src/file_help.rs:31:5
Dec 05 14:52:05.438 INFO [stderr]    |
Dec 05 14:52:05.438 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 05 14:52:05.438 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.438 INFO [stderr]    |
Dec 05 14:52:05.438 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:52:05.438 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.438 INFO [stderr] 
Dec 05 14:52:05.438 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:52:05.438 INFO [stderr]   --> src/file_help.rs:44:5
Dec 05 14:52:05.438 INFO [stderr]    |
Dec 05 14:52:05.438 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 05 14:52:05.438 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:52:05.438 INFO [stderr]    |
Dec 05 14:52:05.438 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:52:05.438 INFO [stderr] 
Dec 05 14:52:05.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 05 14:52:05.453 INFO [stderr] su: No module specific data is present
Dec 05 14:52:05.724 INFO running `"docker" "inspect" "573ddca3bc0cb0b0811784be755b6b69d6ed04cd84ff347ed4ed56a784724889"`
Dec 05 14:52:05.786 INFO running `"docker" "rm" "-f" "573ddca3bc0cb0b0811784be755b6b69d6ed04cd84ff347ed4ed56a784724889"`
Dec 05 14:52:05.864 INFO [stdout] 573ddca3bc0cb0b0811784be755b6b69d6ed04cd84ff347ed4ed56a784724889