Nov 29 02:43:57.625 INFO checking csv_reader-0.1.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 02:43:57.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 29 02:43:57.858 INFO [stdout] 6c766a910594322a27a0af4675b81529cd662cc2bfe9c3c68f1f5c2111bf949f
Nov 29 02:43:57.861 INFO running `"docker" "start" "-a" "6c766a910594322a27a0af4675b81529cd662cc2bfe9c3c68f1f5c2111bf949f"`
Nov 29 02:43:58.575 INFO [stderr] usermod: no changes
Nov 29 02:43:58.648 INFO [stderr]     Checking csv_reader v0.1.1 (/source)
Nov 29 02:43:59.564 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:43:59.564 INFO [stderr]   --> src/main.rs:26:13
Nov 29 02:43:59.564 INFO [stderr]    |
Nov 29 02:43:59.564 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Nov 29 02:43:59.564 INFO [stderr]    |             ----^^^^^^^
Nov 29 02:43:59.564 INFO [stderr]    |             |
Nov 29 02:43:59.564 INFO [stderr]    |             help: remove this `mut`
Nov 29 02:43:59.564 INFO [stderr]    |
Nov 29 02:43:59.564 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 02:43:59.564 INFO [stderr] 
Nov 29 02:43:59.600 INFO [stderr] warning: function is never used: `create`
Nov 29 02:43:59.601 INFO [stderr]   --> src/file_help.rs:16:1
Nov 29 02:43:59.601 INFO [stderr]    |
Nov 29 02:43:59.601 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Nov 29 02:43:59.602 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.602 INFO [stderr]    |
Nov 29 02:43:59.602 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 02:43:59.603 INFO [stderr] 
Nov 29 02:43:59.603 INFO [stderr] warning: function is never used: `write`
Nov 29 02:43:59.603 INFO [stderr]   --> src/file_help.rs:30:1
Nov 29 02:43:59.604 INFO [stderr]    |
Nov 29 02:43:59.604 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Nov 29 02:43:59.604 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.605 INFO [stderr] 
Nov 29 02:43:59.605 INFO [stderr] warning: function is never used: `delete`
Nov 29 02:43:59.605 INFO [stderr]   --> src/file_help.rs:43:1
Nov 29 02:43:59.606 INFO [stderr]    |
Nov 29 02:43:59.606 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Nov 29 02:43:59.606 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.607 INFO [stderr] 
Nov 29 02:43:59.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:43:59.607 INFO [stderr]   --> src/file_help.rs:31:5
Nov 29 02:43:59.608 INFO [stderr]    |
Nov 29 02:43:59.608 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Nov 29 02:43:59.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.609 INFO [stderr]    |
Nov 29 02:43:59.609 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 02:43:59.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:43:59.610 INFO [stderr] 
Nov 29 02:43:59.610 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:43:59.610 INFO [stderr]   --> src/file_help.rs:44:5
Nov 29 02:43:59.611 INFO [stderr]    |
Nov 29 02:43:59.611 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Nov 29 02:43:59.611 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.612 INFO [stderr]    |
Nov 29 02:43:59.612 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:43:59.612 INFO [stderr] 
Nov 29 02:43:59.875 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:43:59.875 INFO [stderr]   --> src/main.rs:26:13
Nov 29 02:43:59.875 INFO [stderr]    |
Nov 29 02:43:59.875 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Nov 29 02:43:59.875 INFO [stderr]    |             ----^^^^^^^
Nov 29 02:43:59.875 INFO [stderr]    |             |
Nov 29 02:43:59.875 INFO [stderr]    |             help: remove this `mut`
Nov 29 02:43:59.875 INFO [stderr]    |
Nov 29 02:43:59.875 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 02:43:59.875 INFO [stderr] 
Nov 29 02:43:59.885 INFO [stderr] warning: function is never used: `create`
Nov 29 02:43:59.885 INFO [stderr]   --> src/file_help.rs:16:1
Nov 29 02:43:59.885 INFO [stderr]    |
Nov 29 02:43:59.885 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Nov 29 02:43:59.885 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.885 INFO [stderr]    |
Nov 29 02:43:59.885 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 02:43:59.885 INFO [stderr] 
Nov 29 02:43:59.885 INFO [stderr] warning: function is never used: `write`
Nov 29 02:43:59.885 INFO [stderr]   --> src/file_help.rs:30:1
Nov 29 02:43:59.885 INFO [stderr]    |
Nov 29 02:43:59.885 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Nov 29 02:43:59.885 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.885 INFO [stderr] 
Nov 29 02:43:59.885 INFO [stderr] warning: function is never used: `delete`
Nov 29 02:43:59.885 INFO [stderr]   --> src/file_help.rs:43:1
Nov 29 02:43:59.885 INFO [stderr]    |
Nov 29 02:43:59.885 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Nov 29 02:43:59.885 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.885 INFO [stderr] 
Nov 29 02:43:59.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:43:59.894 INFO [stderr]   --> src/file_help.rs:31:5
Nov 29 02:43:59.894 INFO [stderr]    |
Nov 29 02:43:59.894 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Nov 29 02:43:59.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.894 INFO [stderr]    |
Nov 29 02:43:59.894 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 02:43:59.894 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:43:59.894 INFO [stderr] 
Nov 29 02:43:59.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 02:43:59.894 INFO [stderr]   --> src/file_help.rs:44:5
Nov 29 02:43:59.894 INFO [stderr]    |
Nov 29 02:43:59.894 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Nov 29 02:43:59.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 02:43:59.894 INFO [stderr]    |
Nov 29 02:43:59.894 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 02:43:59.894 INFO [stderr] 
Nov 29 02:43:59.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Nov 29 02:43:59.908 INFO [stderr] su: No module specific data is present
Nov 29 02:44:00.113 INFO running `"docker" "inspect" "6c766a910594322a27a0af4675b81529cd662cc2bfe9c3c68f1f5c2111bf949f"`
Nov 29 02:44:00.195 INFO running `"docker" "rm" "-f" "6c766a910594322a27a0af4675b81529cd662cc2bfe9c3c68f1f5c2111bf949f"`
Nov 29 02:44:00.280 INFO [stdout] 6c766a910594322a27a0af4675b81529cd662cc2bfe9c3c68f1f5c2111bf949f