Dec 19 13:23:21.991 INFO checking luki/csvll against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:23:21.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/luki/csvll:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:23:22.391 INFO [stdout] 36c8651e4d9b7fecc3b513f3df93543b07081168c8b9a16b775ace55cd4d0035
Dec 19 13:23:22.393 INFO running `"docker" "start" "-a" "36c8651e4d9b7fecc3b513f3df93543b07081168c8b9a16b775ace55cd4d0035"`
Dec 19 13:23:23.749 INFO [stderr]     Checking csvll v0.1.6 (/opt/crater/workdir)
Dec 19 13:23:24.119 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:23:24.119 INFO [stderr]   --> src/lib.rs:35:13
Dec 19 13:23:24.119 INFO [stderr]    |
Dec 19 13:23:24.119 INFO [stderr] 35 |         let mut content = file_help::read(&mut self.file);
Dec 19 13:23:24.119 INFO [stderr]    |             ----^^^^^^^
Dec 19 13:23:24.119 INFO [stderr]    |             |
Dec 19 13:23:24.119 INFO [stderr]    |             help: remove this `mut`
Dec 19 13:23:24.119 INFO [stderr]    |
Dec 19 13:23:24.119 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:23:24.119 INFO [stderr] 
Dec 19 13:23:24.119 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:23:24.119 INFO [stderr]   --> src/lib.rs:35:13
Dec 19 13:23:24.119 INFO [stderr]    |
Dec 19 13:23:24.120 INFO [stderr] 35 |         let mut content = file_help::read(&mut self.file);
Dec 19 13:23:24.120 INFO [stderr]    |             ----^^^^^^^
Dec 19 13:23:24.120 INFO [stderr]    |             |
Dec 19 13:23:24.120 INFO [stderr]    |             help: remove this `mut`
Dec 19 13:23:24.120 INFO [stderr]    |
Dec 19 13:23:24.120 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:23:24.120 INFO [stderr] 
Dec 19 13:23:24.120 INFO [stderr] warning: function is never used: `create`
Dec 19 13:23:24.120 INFO [stderr]   --> src/file_help.rs:20:1
Dec 19 13:23:24.120 INFO [stderr]    |
Dec 19 13:23:24.120 INFO [stderr] 20 | pub fn create(dir: String, name: String, extension: String) -> File {
Dec 19 13:23:24.120 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.120 INFO [stderr]    |
Dec 19 13:23:24.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:23:24.120 INFO [stderr] 
Dec 19 13:23:24.120 INFO [stderr] warning: function is never used: `write`
Dec 19 13:23:24.120 INFO [stderr]   --> src/file_help.rs:34:1
Dec 19 13:23:24.120 INFO [stderr]    |
Dec 19 13:23:24.120 INFO [stderr] 34 | pub fn write(file: &mut File, content: &String) {
Dec 19 13:23:24.120 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.120 INFO [stderr] 
Dec 19 13:23:24.120 INFO [stderr] warning: function is never used: `delete`
Dec 19 13:23:24.120 INFO [stderr]   --> src/file_help.rs:47:1
Dec 19 13:23:24.120 INFO [stderr]    |
Dec 19 13:23:24.120 INFO [stderr] 47 | pub fn delete(dir: String, name: String, extension: String) {
Dec 19 13:23:24.120 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.120 INFO [stderr] 
Dec 19 13:23:24.124 INFO [stderr] warning: function is never used: `create`
Dec 19 13:23:24.124 INFO [stderr]   --> src/file_help.rs:20:1
Dec 19 13:23:24.124 INFO [stderr]    |
Dec 19 13:23:24.124 INFO [stderr] 20 | pub fn create(dir: String, name: String, extension: String) -> File {
Dec 19 13:23:24.124 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.124 INFO [stderr]    |
Dec 19 13:23:24.124 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:23:24.124 INFO [stderr] 
Dec 19 13:23:24.124 INFO [stderr] warning: function is never used: `write`
Dec 19 13:23:24.124 INFO [stderr]   --> src/file_help.rs:34:1
Dec 19 13:23:24.124 INFO [stderr]    |
Dec 19 13:23:24.124 INFO [stderr] 34 | pub fn write(file: &mut File, content: &String) {
Dec 19 13:23:24.124 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.124 INFO [stderr] 
Dec 19 13:23:24.124 INFO [stderr] warning: function is never used: `delete`
Dec 19 13:23:24.124 INFO [stderr]   --> src/file_help.rs:47:1
Dec 19 13:23:24.124 INFO [stderr]    |
Dec 19 13:23:24.124 INFO [stderr] 47 | pub fn delete(dir: String, name: String, extension: String) {
Dec 19 13:23:24.124 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.124 INFO [stderr] 
Dec 19 13:23:24.128 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:23:24.128 INFO [stderr]   --> src/file_help.rs:35:5
Dec 19 13:23:24.128 INFO [stderr]    |
Dec 19 13:23:24.128 INFO [stderr] 35 |     file.write_all(content.as_bytes());
Dec 19 13:23:24.128 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.128 INFO [stderr]    |
Dec 19 13:23:24.128 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:23:24.128 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:23:24.128 INFO [stderr] 
Dec 19 13:23:24.128 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:23:24.128 INFO [stderr]   --> src/file_help.rs:48:5
Dec 19 13:23:24.128 INFO [stderr]    |
Dec 19 13:23:24.128 INFO [stderr] 48 |     fs::remove_file(format!("{}/{}.{}", dir, name, extension));
Dec 19 13:23:24.128 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.128 INFO [stderr]    |
Dec 19 13:23:24.128 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:23:24.128 INFO [stderr] 
Dec 19 13:23:24.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:23:24.132 INFO [stderr]   --> src/file_help.rs:35:5
Dec 19 13:23:24.132 INFO [stderr]    |
Dec 19 13:23:24.132 INFO [stderr] 35 |     file.write_all(content.as_bytes());
Dec 19 13:23:24.132 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.132 INFO [stderr]    |
Dec 19 13:23:24.132 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:23:24.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:23:24.132 INFO [stderr] 
Dec 19 13:23:24.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:23:24.132 INFO [stderr]   --> src/file_help.rs:48:5
Dec 19 13:23:24.132 INFO [stderr]    |
Dec 19 13:23:24.132 INFO [stderr] 48 |     fs::remove_file(format!("{}/{}.{}", dir, name, extension));
Dec 19 13:23:24.132 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:23:24.132 INFO [stderr]    |
Dec 19 13:23:24.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:23:24.132 INFO [stderr] 
Dec 19 13:23:24.144 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 19 13:23:24.562 INFO running `"docker" "inspect" "36c8651e4d9b7fecc3b513f3df93543b07081168c8b9a16b775ace55cd4d0035"`
Dec 19 13:23:24.752 INFO running `"docker" "rm" "-f" "36c8651e4d9b7fecc3b513f3df93543b07081168c8b9a16b775ace55cd4d0035"`
Dec 19 13:23:24.992 INFO [stdout] 36c8651e4d9b7fecc3b513f3df93543b07081168c8b9a16b775ace55cd4d0035