Dec 17 20:24:57.547 INFO checking luki/csvll against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:24:57.548 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:24:57.728 INFO [stdout] 1e391739b3af2a5e9631893c42ed1b2cec9e717e4967ab451bc23e25b8bd6a10
Dec 17 20:24:57.733 INFO running `"docker" "start" "-a" "1e391739b3af2a5e9631893c42ed1b2cec9e717e4967ab451bc23e25b8bd6a10"`
Dec 17 20:24:58.436 INFO [stderr]     Checking csvll v0.1.6 (/opt/crater/workdir)
Dec 17 20:24:58.651 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:24:58.651 INFO [stderr]   --> src/lib.rs:35:13
Dec 17 20:24:58.651 INFO [stderr]    |
Dec 17 20:24:58.651 INFO [stderr] 35 |         let mut content = file_help::read(&mut self.file);
Dec 17 20:24:58.651 INFO [stderr]    |             ----^^^^^^^
Dec 17 20:24:58.651 INFO [stderr]    |             |
Dec 17 20:24:58.651 INFO [stderr]    |             help: remove this `mut`
Dec 17 20:24:58.651 INFO [stderr]    |
Dec 17 20:24:58.651 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:24:58.651 INFO [stderr] 
Dec 17 20:24:58.662 INFO [stderr] warning: function is never used: `create`
Dec 17 20:24:58.662 INFO [stderr]   --> src/file_help.rs:20:1
Dec 17 20:24:58.662 INFO [stderr]    |
Dec 17 20:24:58.662 INFO [stderr] 20 | pub fn create(dir: String, name: String, extension: String) -> File {
Dec 17 20:24:58.662 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.662 INFO [stderr]    |
Dec 17 20:24:58.662 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:24:58.662 INFO [stderr] 
Dec 17 20:24:58.662 INFO [stderr] warning: function is never used: `write`
Dec 17 20:24:58.662 INFO [stderr]   --> src/file_help.rs:34:1
Dec 17 20:24:58.662 INFO [stderr]    |
Dec 17 20:24:58.662 INFO [stderr] 34 | pub fn write(file: &mut File, content: &String) {
Dec 17 20:24:58.662 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.662 INFO [stderr] 
Dec 17 20:24:58.662 INFO [stderr] warning: function is never used: `delete`
Dec 17 20:24:58.662 INFO [stderr]   --> src/file_help.rs:47:1
Dec 17 20:24:58.662 INFO [stderr]    |
Dec 17 20:24:58.662 INFO [stderr] 47 | pub fn delete(dir: String, name: String, extension: String) {
Dec 17 20:24:58.662 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.662 INFO [stderr] 
Dec 17 20:24:58.670 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:24:58.670 INFO [stderr]   --> src/file_help.rs:35:5
Dec 17 20:24:58.670 INFO [stderr]    |
Dec 17 20:24:58.670 INFO [stderr] 35 |     file.write_all(content.as_bytes());
Dec 17 20:24:58.670 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.670 INFO [stderr]    |
Dec 17 20:24:58.670 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:24:58.670 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:24:58.670 INFO [stderr] 
Dec 17 20:24:58.670 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:24:58.670 INFO [stderr]   --> src/file_help.rs:48:5
Dec 17 20:24:58.670 INFO [stderr]    |
Dec 17 20:24:58.670 INFO [stderr] 48 |     fs::remove_file(format!("{}/{}.{}", dir, name, extension));
Dec 17 20:24:58.670 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.670 INFO [stderr]    |
Dec 17 20:24:58.670 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:24:58.670 INFO [stderr] 
Dec 17 20:24:58.722 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:24:58.722 INFO [stderr]   --> src/lib.rs:35:13
Dec 17 20:24:58.722 INFO [stderr]    |
Dec 17 20:24:58.722 INFO [stderr] 35 |         let mut content = file_help::read(&mut self.file);
Dec 17 20:24:58.722 INFO [stderr]    |             ----^^^^^^^
Dec 17 20:24:58.722 INFO [stderr]    |             |
Dec 17 20:24:58.722 INFO [stderr]    |             help: remove this `mut`
Dec 17 20:24:58.722 INFO [stderr]    |
Dec 17 20:24:58.722 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:24:58.722 INFO [stderr] 
Dec 17 20:24:58.732 INFO [stderr] warning: function is never used: `create`
Dec 17 20:24:58.732 INFO [stderr]   --> src/file_help.rs:20:1
Dec 17 20:24:58.732 INFO [stderr]    |
Dec 17 20:24:58.732 INFO [stderr] 20 | pub fn create(dir: String, name: String, extension: String) -> File {
Dec 17 20:24:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.732 INFO [stderr]    |
Dec 17 20:24:58.732 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:24:58.732 INFO [stderr] 
Dec 17 20:24:58.732 INFO [stderr] warning: function is never used: `write`
Dec 17 20:24:58.732 INFO [stderr]   --> src/file_help.rs:34:1
Dec 17 20:24:58.732 INFO [stderr]    |
Dec 17 20:24:58.732 INFO [stderr] 34 | pub fn write(file: &mut File, content: &String) {
Dec 17 20:24:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.732 INFO [stderr] 
Dec 17 20:24:58.732 INFO [stderr] warning: function is never used: `delete`
Dec 17 20:24:58.732 INFO [stderr]   --> src/file_help.rs:47:1
Dec 17 20:24:58.732 INFO [stderr]    |
Dec 17 20:24:58.732 INFO [stderr] 47 | pub fn delete(dir: String, name: String, extension: String) {
Dec 17 20:24:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.732 INFO [stderr] 
Dec 17 20:24:58.741 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:24:58.741 INFO [stderr]   --> src/file_help.rs:35:5
Dec 17 20:24:58.742 INFO [stderr]    |
Dec 17 20:24:58.742 INFO [stderr] 35 |     file.write_all(content.as_bytes());
Dec 17 20:24:58.742 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.742 INFO [stderr]    |
Dec 17 20:24:58.742 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:24:58.742 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:24:58.742 INFO [stderr] 
Dec 17 20:24:58.742 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:24:58.742 INFO [stderr]   --> src/file_help.rs:48:5
Dec 17 20:24:58.742 INFO [stderr]    |
Dec 17 20:24:58.742 INFO [stderr] 48 |     fs::remove_file(format!("{}/{}.{}", dir, name, extension));
Dec 17 20:24:58.742 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:24:58.742 INFO [stderr]    |
Dec 17 20:24:58.742 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:24:58.742 INFO [stderr] 
Dec 17 20:24:58.757 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 17 20:24:59.013 INFO running `"docker" "inspect" "1e391739b3af2a5e9631893c42ed1b2cec9e717e4967ab451bc23e25b8bd6a10"`
Dec 17 20:24:59.102 INFO running `"docker" "rm" "-f" "1e391739b3af2a5e9631893c42ed1b2cec9e717e4967ab451bc23e25b8bd6a10"`
Dec 17 20:24:59.198 INFO [stdout] 1e391739b3af2a5e9631893c42ed1b2cec9e717e4967ab451bc23e25b8bd6a10