Dec 07 19:22:46.992 INFO testing csv_reader-0.1.1 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 19:22:46.992 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 07 19:22:47.187 INFO [stdout] e60bdb57184d9d0583e30920216951c5b940152e9bf74f00810a8f530e308a27
Dec 07 19:22:47.189 INFO running `"docker" "start" "-a" "e60bdb57184d9d0583e30920216951c5b940152e9bf74f00810a8f530e308a27"`
Dec 07 19:22:47.612 INFO [stderr] usermod: no changes
Dec 07 19:22:47.674 INFO [stderr]    Compiling csv_reader v0.1.1 (/source)
Dec 07 19:22:48.144 INFO [stderr] warning: variable does not need to be mutable
Dec 07 19:22:48.144 INFO [stderr]   --> src/main.rs:26:13
Dec 07 19:22:48.144 INFO [stderr]    |
Dec 07 19:22:48.144 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 07 19:22:48.144 INFO [stderr]    |             ----^^^^^^^
Dec 07 19:22:48.144 INFO [stderr]    |             |
Dec 07 19:22:48.144 INFO [stderr]    |             help: remove this `mut`
Dec 07 19:22:48.144 INFO [stderr]    |
Dec 07 19:22:48.144 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 19:22:48.144 INFO [stderr] 
Dec 07 19:22:48.152 INFO [stderr] warning: function is never used: `create`
Dec 07 19:22:48.152 INFO [stderr]   --> src/file_help.rs:16:1
Dec 07 19:22:48.152 INFO [stderr]    |
Dec 07 19:22:48.152 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 07 19:22:48.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:48.152 INFO [stderr]    |
Dec 07 19:22:48.152 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 19:22:48.152 INFO [stderr] 
Dec 07 19:22:48.152 INFO [stderr] warning: function is never used: `write`
Dec 07 19:22:48.152 INFO [stderr]   --> src/file_help.rs:30:1
Dec 07 19:22:48.152 INFO [stderr]    |
Dec 07 19:22:48.152 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 07 19:22:48.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:48.152 INFO [stderr] 
Dec 07 19:22:48.152 INFO [stderr] warning: function is never used: `delete`
Dec 07 19:22:48.152 INFO [stderr]   --> src/file_help.rs:43:1
Dec 07 19:22:48.152 INFO [stderr]    |
Dec 07 19:22:48.152 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 07 19:22:48.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:48.152 INFO [stderr] 
Dec 07 19:22:48.157 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 19:22:48.157 INFO [stderr]   --> src/file_help.rs:31:5
Dec 07 19:22:48.157 INFO [stderr]    |
Dec 07 19:22:48.157 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 07 19:22:48.158 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:48.158 INFO [stderr]    |
Dec 07 19:22:48.158 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 19:22:48.158 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 19:22:48.158 INFO [stderr] 
Dec 07 19:22:48.158 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 19:22:48.158 INFO [stderr]   --> src/file_help.rs:44:5
Dec 07 19:22:48.158 INFO [stderr]    |
Dec 07 19:22:48.158 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 07 19:22:48.158 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:48.158 INFO [stderr]    |
Dec 07 19:22:48.158 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 19:22:48.158 INFO [stderr] 
Dec 07 19:22:48.563 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 07 19:22:48.565 INFO [stderr] su: No module specific data is present
Dec 07 19:22:48.806 INFO running `"docker" "inspect" "e60bdb57184d9d0583e30920216951c5b940152e9bf74f00810a8f530e308a27"`
Dec 07 19:22:48.904 INFO running `"docker" "rm" "-f" "e60bdb57184d9d0583e30920216951c5b940152e9bf74f00810a8f530e308a27"`
Dec 07 19:22:49.011 INFO [stdout] e60bdb57184d9d0583e30920216951c5b940152e9bf74f00810a8f530e308a27
Dec 07 19:22:49.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 07 19:22:49.201 INFO [stdout] 363a6b6c522663df4933aef651740e6c21d839a78201050867655166a18b1005
Dec 07 19:22:49.204 INFO running `"docker" "start" "-a" "363a6b6c522663df4933aef651740e6c21d839a78201050867655166a18b1005"`
Dec 07 19:22:49.582 INFO [stderr] usermod: no changes
Dec 07 19:22:49.612 INFO [stderr]    Compiling csv_reader v0.1.1 (/source)
Dec 07 19:22:50.190 INFO [stderr] warning: variable does not need to be mutable
Dec 07 19:22:50.190 INFO [stderr]   --> src/main.rs:26:13
Dec 07 19:22:50.190 INFO [stderr]    |
Dec 07 19:22:50.190 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 07 19:22:50.190 INFO [stderr]    |             ----^^^^^^^
Dec 07 19:22:50.190 INFO [stderr]    |             |
Dec 07 19:22:50.190 INFO [stderr]    |             help: remove this `mut`
Dec 07 19:22:50.190 INFO [stderr]    |
Dec 07 19:22:50.190 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 19:22:50.190 INFO [stderr] 
Dec 07 19:22:50.199 INFO [stderr] warning: function is never used: `create`
Dec 07 19:22:50.199 INFO [stderr]   --> src/file_help.rs:16:1
Dec 07 19:22:50.199 INFO [stderr]    |
Dec 07 19:22:50.199 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 07 19:22:50.199 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:50.199 INFO [stderr]    |
Dec 07 19:22:50.199 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 19:22:50.199 INFO [stderr] 
Dec 07 19:22:50.199 INFO [stderr] warning: function is never used: `write`
Dec 07 19:22:50.199 INFO [stderr]   --> src/file_help.rs:30:1
Dec 07 19:22:50.199 INFO [stderr]    |
Dec 07 19:22:50.199 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 07 19:22:50.199 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:50.199 INFO [stderr] 
Dec 07 19:22:50.199 INFO [stderr] warning: function is never used: `delete`
Dec 07 19:22:50.199 INFO [stderr]   --> src/file_help.rs:43:1
Dec 07 19:22:50.199 INFO [stderr]    |
Dec 07 19:22:50.199 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 07 19:22:50.199 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:50.199 INFO [stderr] 
Dec 07 19:22:50.206 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 19:22:50.206 INFO [stderr]   --> src/file_help.rs:31:5
Dec 07 19:22:50.206 INFO [stderr]    |
Dec 07 19:22:50.206 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 07 19:22:50.206 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:50.206 INFO [stderr]    |
Dec 07 19:22:50.206 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 19:22:50.206 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 19:22:50.206 INFO [stderr] 
Dec 07 19:22:50.208 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 19:22:50.208 INFO [stderr]   --> src/file_help.rs:44:5
Dec 07 19:22:50.208 INFO [stderr]    |
Dec 07 19:22:50.208 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 07 19:22:50.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 19:22:50.208 INFO [stderr]    |
Dec 07 19:22:50.208 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 19:22:50.208 INFO [stderr] 
Dec 07 19:22:50.419 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 07 19:22:50.421 INFO [stderr] su: No module specific data is present
Dec 07 19:22:50.753 INFO running `"docker" "inspect" "363a6b6c522663df4933aef651740e6c21d839a78201050867655166a18b1005"`
Dec 07 19:22:50.810 INFO running `"docker" "rm" "-f" "363a6b6c522663df4933aef651740e6c21d839a78201050867655166a18b1005"`
Dec 07 19:22:50.889 INFO [stdout] 363a6b6c522663df4933aef651740e6c21d839a78201050867655166a18b1005
Dec 07 19:22:50.894 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 07 19:22:51.055 INFO [stdout] f486ed26df5de7dea2018fa26ff8ff5d6b3ec5dafcfd2167e2a92d9702d9058a
Dec 07 19:22:51.056 INFO running `"docker" "start" "-a" "f486ed26df5de7dea2018fa26ff8ff5d6b3ec5dafcfd2167e2a92d9702d9058a"`
Dec 07 19:22:51.486 INFO [stderr] usermod: no changes
Dec 07 19:22:51.524 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 07 19:22:51.524 INFO [stdout] 
Dec 07 19:22:51.524 INFO [stderr]      Running /target/debug/deps/csv_reader-b49db940d18bb60f
Dec 07 19:22:51.524 INFO [stdout] running 0 tests
Dec 07 19:22:51.524 INFO [stdout] 
Dec 07 19:22:51.524 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 19:22:51.524 INFO [stdout] 
Dec 07 19:22:51.526 INFO [stderr] su: No module specific data is present
Dec 07 19:22:51.818 INFO running `"docker" "inspect" "f486ed26df5de7dea2018fa26ff8ff5d6b3ec5dafcfd2167e2a92d9702d9058a"`
Dec 07 19:22:51.889 INFO running `"docker" "rm" "-f" "f486ed26df5de7dea2018fa26ff8ff5d6b3ec5dafcfd2167e2a92d9702d9058a"`
Dec 07 19:22:51.985 INFO [stdout] f486ed26df5de7dea2018fa26ff8ff5d6b3ec5dafcfd2167e2a92d9702d9058a