Dec 15 17:38:49.899 INFO testing csv_reader-0.1.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 17:38:49.900 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 17:38:50.300 INFO [stdout] 41190118d2596eac76d5a2f7ad009a2bfddebbb228dc7352aa2ac17202d47075
Dec 15 17:38:50.303 INFO running `"docker" "start" "-a" "41190118d2596eac76d5a2f7ad009a2bfddebbb228dc7352aa2ac17202d47075"`
Dec 15 17:38:51.764 INFO [stderr] usermod: no changes
Dec 15 17:38:51.823 INFO [stderr]    Compiling csv_reader v0.1.1 (/source)
Dec 15 17:38:52.543 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:38:52.543 INFO [stderr]   --> src/main.rs:26:13
Dec 15 17:38:52.543 INFO [stderr]    |
Dec 15 17:38:52.543 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 15 17:38:52.543 INFO [stderr]    |             ----^^^^^^^
Dec 15 17:38:52.543 INFO [stderr]    |             |
Dec 15 17:38:52.543 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:38:52.543 INFO [stderr]    |
Dec 15 17:38:52.549 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:38:52.549 INFO [stderr] 
Dec 15 17:38:52.549 INFO [stderr] warning: function is never used: `create`
Dec 15 17:38:52.549 INFO [stderr]   --> src/file_help.rs:16:1
Dec 15 17:38:52.549 INFO [stderr]    |
Dec 15 17:38:52.549 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 15 17:38:52.549 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:52.549 INFO [stderr]    |
Dec 15 17:38:52.549 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 17:38:52.549 INFO [stderr] 
Dec 15 17:38:52.549 INFO [stderr] warning: function is never used: `write`
Dec 15 17:38:52.549 INFO [stderr]   --> src/file_help.rs:30:1
Dec 15 17:38:52.549 INFO [stderr]    |
Dec 15 17:38:52.549 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 15 17:38:52.549 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:52.549 INFO [stderr] 
Dec 15 17:38:52.549 INFO [stderr] warning: function is never used: `delete`
Dec 15 17:38:52.549 INFO [stderr]   --> src/file_help.rs:43:1
Dec 15 17:38:52.549 INFO [stderr]    |
Dec 15 17:38:52.549 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 15 17:38:52.549 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:52.549 INFO [stderr] 
Dec 15 17:38:52.559 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:52.559 INFO [stderr]   --> src/file_help.rs:31:5
Dec 15 17:38:52.559 INFO [stderr]    |
Dec 15 17:38:52.559 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 15 17:38:52.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:52.559 INFO [stderr]    |
Dec 15 17:38:52.559 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 17:38:52.559 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:52.559 INFO [stderr] 
Dec 15 17:38:52.559 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:52.559 INFO [stderr]   --> src/file_help.rs:44:5
Dec 15 17:38:52.559 INFO [stderr]    |
Dec 15 17:38:52.559 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 15 17:38:52.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:52.559 INFO [stderr]    |
Dec 15 17:38:52.559 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:52.559 INFO [stderr] 
Dec 15 17:38:53.096 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 15 17:38:53.096 INFO [stderr] su: No module specific data is present
Dec 15 17:38:53.695 INFO running `"docker" "inspect" "41190118d2596eac76d5a2f7ad009a2bfddebbb228dc7352aa2ac17202d47075"`
Dec 15 17:38:53.845 INFO running `"docker" "rm" "-f" "41190118d2596eac76d5a2f7ad009a2bfddebbb228dc7352aa2ac17202d47075"`
Dec 15 17:38:53.986 INFO [stdout] 41190118d2596eac76d5a2f7ad009a2bfddebbb228dc7352aa2ac17202d47075
Dec 15 17:38:53.988 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 17:38:54.188 INFO [stdout] 032cc3227cc5b354ac31198098dc1566d55cbfbaa8b948cc42d2dc7bdc4e566d
Dec 15 17:38:54.192 INFO running `"docker" "start" "-a" "032cc3227cc5b354ac31198098dc1566d55cbfbaa8b948cc42d2dc7bdc4e566d"`
Dec 15 17:38:54.763 INFO [stderr] usermod: no changes
Dec 15 17:38:54.795 INFO [stderr]    Compiling csv_reader v0.1.1 (/source)
Dec 15 17:38:55.511 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:38:55.511 INFO [stderr]   --> src/main.rs:26:13
Dec 15 17:38:55.511 INFO [stderr]    |
Dec 15 17:38:55.511 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 15 17:38:55.511 INFO [stderr]    |             ----^^^^^^^
Dec 15 17:38:55.511 INFO [stderr]    |             |
Dec 15 17:38:55.511 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:38:55.511 INFO [stderr]    |
Dec 15 17:38:55.519 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:38:55.519 INFO [stderr] 
Dec 15 17:38:55.519 INFO [stderr] warning: function is never used: `create`
Dec 15 17:38:55.520 INFO [stderr]   --> src/file_help.rs:16:1
Dec 15 17:38:55.520 INFO [stderr]    |
Dec 15 17:38:55.520 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 15 17:38:55.520 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.520 INFO [stderr]    |
Dec 15 17:38:55.520 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 17:38:55.520 INFO [stderr] 
Dec 15 17:38:55.520 INFO [stderr] warning: function is never used: `write`
Dec 15 17:38:55.520 INFO [stderr]   --> src/file_help.rs:30:1
Dec 15 17:38:55.520 INFO [stderr]    |
Dec 15 17:38:55.520 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 15 17:38:55.520 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.520 INFO [stderr] 
Dec 15 17:38:55.520 INFO [stderr] warning: function is never used: `delete`
Dec 15 17:38:55.520 INFO [stderr]   --> src/file_help.rs:43:1
Dec 15 17:38:55.520 INFO [stderr]    |
Dec 15 17:38:55.520 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 15 17:38:55.520 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.520 INFO [stderr] 
Dec 15 17:38:55.538 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:55.539 INFO [stderr]   --> src/file_help.rs:31:5
Dec 15 17:38:55.539 INFO [stderr]    |
Dec 15 17:38:55.539 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 15 17:38:55.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.539 INFO [stderr]    |
Dec 15 17:38:55.539 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 17:38:55.539 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:55.539 INFO [stderr] 
Dec 15 17:38:55.539 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:55.539 INFO [stderr]   --> src/file_help.rs:44:5
Dec 15 17:38:55.539 INFO [stderr]    |
Dec 15 17:38:55.539 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 15 17:38:55.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.539 INFO [stderr]    |
Dec 15 17:38:55.539 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:55.539 INFO [stderr] 
Dec 15 17:38:55.763 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 15 17:38:55.764 INFO [stderr] su: No module specific data is present
Dec 15 17:38:56.108 INFO running `"docker" "inspect" "032cc3227cc5b354ac31198098dc1566d55cbfbaa8b948cc42d2dc7bdc4e566d"`
Dec 15 17:38:56.309 INFO running `"docker" "rm" "-f" "032cc3227cc5b354ac31198098dc1566d55cbfbaa8b948cc42d2dc7bdc4e566d"`
Dec 15 17:38:56.536 INFO [stdout] 032cc3227cc5b354ac31198098dc1566d55cbfbaa8b948cc42d2dc7bdc4e566d
Dec 15 17:38:56.541 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 17:38:56.752 INFO [stdout] 207e1a7596fd6dda126aedb734e597e338679fd4e7dd64a459f8ac3daba96ad0
Dec 15 17:38:56.754 INFO running `"docker" "start" "-a" "207e1a7596fd6dda126aedb734e597e338679fd4e7dd64a459f8ac3daba96ad0"`
Dec 15 17:38:57.103 INFO [stderr] usermod: no changes
Dec 15 17:38:57.121 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Dec 15 17:38:57.121 INFO [stderr]      Running /target/debug/deps/csv_reader-fb471725d6a9a946
Dec 15 17:38:57.122 INFO [stdout] 
Dec 15 17:38:57.122 INFO [stdout] running 0 tests
Dec 15 17:38:57.122 INFO [stdout] 
Dec 15 17:38:57.122 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 17:38:57.122 INFO [stdout] 
Dec 15 17:38:57.124 INFO [stderr] su: No module specific data is present
Dec 15 17:38:57.483 INFO running `"docker" "inspect" "207e1a7596fd6dda126aedb734e597e338679fd4e7dd64a459f8ac3daba96ad0"`
Dec 15 17:38:57.569 INFO running `"docker" "rm" "-f" "207e1a7596fd6dda126aedb734e597e338679fd4e7dd64a459f8ac3daba96ad0"`
Dec 15 17:38:57.687 INFO [stdout] 207e1a7596fd6dda126aedb734e597e338679fd4e7dd64a459f8ac3daba96ad0