Dec 01 00:06:39.406 INFO checking csv_reader-0.1.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 00:06:39.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 01 00:06:39.615 INFO [stdout] ae237e5b772ee4169c11454c9916ed1399b322cbbf5977a50eeea7585112db93
Dec 01 00:06:39.622 INFO running `"docker" "start" "-a" "ae237e5b772ee4169c11454c9916ed1399b322cbbf5977a50eeea7585112db93"`
Dec 01 00:06:40.344 INFO [stderr] usermod: no changes
Dec 01 00:06:40.392 INFO [stderr]     Checking csv_reader v0.1.1 (/source)
Dec 01 00:06:41.008 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:06:41.008 INFO [stderr]   --> src/main.rs:26:13
Dec 01 00:06:41.008 INFO [stderr]    |
Dec 01 00:06:41.008 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 01 00:06:41.008 INFO [stderr]    |             ----^^^^^^^
Dec 01 00:06:41.008 INFO [stderr]    |             |
Dec 01 00:06:41.008 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:06:41.008 INFO [stderr]    |
Dec 01 00:06:41.008 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:06:41.008 INFO [stderr] 
Dec 01 00:06:41.020 INFO [stderr] warning: function is never used: `create`
Dec 01 00:06:41.020 INFO [stderr]   --> src/file_help.rs:16:1
Dec 01 00:06:41.020 INFO [stderr]    |
Dec 01 00:06:41.020 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 01 00:06:41.020 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.020 INFO [stderr]    |
Dec 01 00:06:41.020 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 00:06:41.020 INFO [stderr] 
Dec 01 00:06:41.020 INFO [stderr] warning: function is never used: `write`
Dec 01 00:06:41.020 INFO [stderr]   --> src/file_help.rs:30:1
Dec 01 00:06:41.020 INFO [stderr]    |
Dec 01 00:06:41.020 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 01 00:06:41.020 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.020 INFO [stderr] 
Dec 01 00:06:41.020 INFO [stderr] warning: function is never used: `delete`
Dec 01 00:06:41.020 INFO [stderr]   --> src/file_help.rs:43:1
Dec 01 00:06:41.020 INFO [stderr]    |
Dec 01 00:06:41.020 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 01 00:06:41.020 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.020 INFO [stderr] 
Dec 01 00:06:41.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 00:06:41.024 INFO [stderr]   --> src/file_help.rs:31:5
Dec 01 00:06:41.024 INFO [stderr]    |
Dec 01 00:06:41.024 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 01 00:06:41.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.024 INFO [stderr]    |
Dec 01 00:06:41.024 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 00:06:41.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 00:06:41.024 INFO [stderr] 
Dec 01 00:06:41.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 00:06:41.024 INFO [stderr]   --> src/file_help.rs:44:5
Dec 01 00:06:41.024 INFO [stderr]    |
Dec 01 00:06:41.024 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 01 00:06:41.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.024 INFO [stderr]    |
Dec 01 00:06:41.024 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 00:06:41.024 INFO [stderr] 
Dec 01 00:06:41.390 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:06:41.390 INFO [stderr]   --> src/main.rs:26:13
Dec 01 00:06:41.390 INFO [stderr]    |
Dec 01 00:06:41.390 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 01 00:06:41.390 INFO [stderr]    |             ----^^^^^^^
Dec 01 00:06:41.390 INFO [stderr]    |             |
Dec 01 00:06:41.390 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:06:41.390 INFO [stderr]    |
Dec 01 00:06:41.390 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:06:41.390 INFO [stderr] 
Dec 01 00:06:41.404 INFO [stderr] warning: function is never used: `create`
Dec 01 00:06:41.404 INFO [stderr]   --> src/file_help.rs:16:1
Dec 01 00:06:41.404 INFO [stderr]    |
Dec 01 00:06:41.404 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 01 00:06:41.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.404 INFO [stderr]    |
Dec 01 00:06:41.404 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 00:06:41.404 INFO [stderr] 
Dec 01 00:06:41.404 INFO [stderr] warning: function is never used: `write`
Dec 01 00:06:41.404 INFO [stderr]   --> src/file_help.rs:30:1
Dec 01 00:06:41.404 INFO [stderr]    |
Dec 01 00:06:41.404 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 01 00:06:41.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.404 INFO [stderr] 
Dec 01 00:06:41.404 INFO [stderr] warning: function is never used: `delete`
Dec 01 00:06:41.404 INFO [stderr]   --> src/file_help.rs:43:1
Dec 01 00:06:41.404 INFO [stderr]    |
Dec 01 00:06:41.404 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 01 00:06:41.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.404 INFO [stderr] 
Dec 01 00:06:41.410 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 00:06:41.410 INFO [stderr]   --> src/file_help.rs:31:5
Dec 01 00:06:41.410 INFO [stderr]    |
Dec 01 00:06:41.410 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 01 00:06:41.410 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.410 INFO [stderr]    |
Dec 01 00:06:41.410 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 00:06:41.410 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 00:06:41.410 INFO [stderr] 
Dec 01 00:06:41.410 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 00:06:41.410 INFO [stderr]   --> src/file_help.rs:44:5
Dec 01 00:06:41.410 INFO [stderr]    |
Dec 01 00:06:41.410 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 01 00:06:41.410 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 00:06:41.410 INFO [stderr]    |
Dec 01 00:06:41.410 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 00:06:41.410 INFO [stderr] 
Dec 01 00:06:41.425 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 01 00:06:41.426 INFO [stderr] su: No module specific data is present
Dec 01 00:06:41.682 INFO running `"docker" "inspect" "ae237e5b772ee4169c11454c9916ed1399b322cbbf5977a50eeea7585112db93"`
Dec 01 00:06:41.786 INFO running `"docker" "rm" "-f" "ae237e5b772ee4169c11454c9916ed1399b322cbbf5977a50eeea7585112db93"`
Dec 01 00:06:41.930 INFO [stdout] ae237e5b772ee4169c11454c9916ed1399b322cbbf5977a50eeea7585112db93