Dec 04 18:18:48.012 INFO checking gavynriebau/xor against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:18:48.012 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 18:18:48.622 INFO [stdout] 46b897231a014fe961f2c9c84b122d977a3e63571fe0370e645942da83da8a77
Dec 04 18:18:48.624 INFO running `"docker" "start" "-a" "46b897231a014fe961f2c9c84b122d977a3e63571fe0370e645942da83da8a77"`
Dec 04 18:18:50.279 INFO [stderr] usermod: no changes
Dec 04 18:18:50.471 INFO [stderr]     Checking rand v0.3.18
Dec 04 18:18:50.471 INFO [stderr]     Checking term_size v0.3.0
Dec 04 18:18:50.471 INFO [stderr]     Checking rand v0.4.2
Dec 04 18:18:50.487 INFO [stderr]     Checking xor-utils v0.6.0
Dec 04 18:18:50.488 INFO [stderr]     Checking number_prefix v0.2.7
Dec 04 18:18:50.495 INFO [stderr]     Checking regex v0.2.2
Dec 04 18:18:52.235 INFO [stderr]     Checking textwrap v0.6.0
Dec 04 18:18:53.801 INFO [stderr]     Checking clap v2.25.0
Dec 04 18:18:56.309 INFO [stderr]     Checking tempdir v0.3.5
Dec 04 18:18:57.715 INFO [stderr]     Checking filesystem v0.4.2
Dec 04 18:18:58.816 INFO [stderr]     Checking env_logger v0.4.3
Dec 04 18:19:03.733 INFO [stderr]     Checking xor v1.4.5 (/source)
Dec 04 18:19:05.587 INFO [stderr] warning: unused import: `std::fs`
Dec 04 18:19:05.587 INFO [stderr]   --> src/main.rs:16:5
Dec 04 18:19:05.587 INFO [stderr]    |
Dec 04 18:19:05.587 INFO [stderr] 16 | use std::fs;
Dec 04 18:19:05.587 INFO [stderr]    |     ^^^^^^^
Dec 04 18:19:05.587 INFO [stderr]    |
Dec 04 18:19:05.587 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 18:19:05.587 INFO [stderr] 
Dec 04 18:19:05.587 INFO [stderr] warning: unused import: `Cursor`
Dec 04 18:19:05.587 INFO [stderr]   --> src/main.rs:18:28
Dec 04 18:19:05.587 INFO [stderr]    |
Dec 04 18:19:05.587 INFO [stderr] 18 | use std::io::{Write, Read, Cursor};
Dec 04 18:19:05.587 INFO [stderr]    |                            ^^^^^^
Dec 04 18:19:05.587 INFO [stderr] 
Dec 04 18:19:05.724 INFO [stderr] warning: unused variable: `mode`
Dec 04 18:19:05.724 INFO [stderr]   --> src/main.rs:89:9
Dec 04 18:19:05.724 INFO [stderr]    |
Dec 04 18:19:05.724 INFO [stderr] 89 |     let mode = if matches.is_present("decrypt") {
Dec 04 18:19:05.724 INFO [stderr]    |         ^^^^ help: consider using `_mode` instead
Dec 04 18:19:05.724 INFO [stderr]    |
Dec 04 18:19:05.724 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 18:19:05.725 INFO [stderr] 
Dec 04 18:19:05.725 INFO [stderr] warning: unused variable: `key_bytes`
Dec 04 18:19:05.725 INFO [stderr]   --> src/main.rs:96:9
Dec 04 18:19:05.725 INFO [stderr]    |
Dec 04 18:19:05.725 INFO [stderr] 96 |     let key_bytes = get_key_bytes(&matches);
Dec 04 18:19:05.725 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_key_bytes` instead
Dec 04 18:19:05.725 INFO [stderr] 
Dec 04 18:19:05.725 INFO [stderr] warning: unused variable: `matches`
Dec 04 18:19:05.726 INFO [stderr]    --> src/main.rs:310:22
Dec 04 18:19:05.726 INFO [stderr]     |
Dec 04 18:19:05.726 INFO [stderr] 310 | fn get_key_bytes<'a>(matches: &'a ArgMatches<'a>) -> Vec<u8> {
Dec 04 18:19:05.726 INFO [stderr]     |                      ^^^^^^^ help: consider using `_matches` instead
Dec 04 18:19:05.726 INFO [stderr] 
Dec 04 18:19:05.754 INFO [stderr] warning: unused import: `std::fs`
Dec 04 18:19:05.754 INFO [stderr]   --> src/main.rs:16:5
Dec 04 18:19:05.754 INFO [stderr]    |
Dec 04 18:19:05.754 INFO [stderr] 16 | use std::fs;
Dec 04 18:19:05.754 INFO [stderr]    |     ^^^^^^^
Dec 04 18:19:05.754 INFO [stderr]    |
Dec 04 18:19:05.755 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 18:19:05.755 INFO [stderr] 
Dec 04 18:19:05.775 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:19:05.776 INFO [stderr]    --> src/main.rs:311:9
Dec 04 18:19:05.776 INFO [stderr]     |
Dec 04 18:19:05.776 INFO [stderr] 311 |     let mut key_bytes : Vec<u8> = Vec::new();
Dec 04 18:19:05.776 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 18:19:05.776 INFO [stderr]     |         |
Dec 04 18:19:05.777 INFO [stderr]     |         help: remove this `mut`
Dec 04 18:19:05.777 INFO [stderr]     |
Dec 04 18:19:05.777 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 18:19:05.777 INFO [stderr] 
Dec 04 18:19:05.795 INFO [stderr] warning: struct is never constructed: `StdoutWriter`
Dec 04 18:19:05.795 INFO [stderr]   --> src/stdout_writer.rs:11:1
Dec 04 18:19:05.795 INFO [stderr]    |
Dec 04 18:19:05.796 INFO [stderr] 11 | pub struct StdoutWriter;
Dec 04 18:19:05.796 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.796 INFO [stderr]    |
Dec 04 18:19:05.796 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 18:19:05.797 INFO [stderr] 
Dec 04 18:19:05.797 INFO [stderr] warning: function is never used: `encrypt_reader`
Dec 04 18:19:05.797 INFO [stderr]    --> src/main.rs:139:1
Dec 04 18:19:05.797 INFO [stderr]     |
Dec 04 18:19:05.798 INFO [stderr] 139 | fn encrypt_reader(input : &mut Read, key : &Vec<u8>, output : &mut Write) {
Dec 04 18:19:05.798 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.798 INFO [stderr] 
Dec 04 18:19:05.798 INFO [stderr] warning: function is never used: `xor_file`
Dec 04 18:19:05.798 INFO [stderr]    --> src/main.rs:185:1
Dec 04 18:19:05.799 INFO [stderr]     |
Dec 04 18:19:05.799 INFO [stderr] 185 | fn xor_file<T : FileSystem>(fs : &T, file_path : &Path, key : &Vec<u8>, mode : &Mode) {
Dec 04 18:19:05.799 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.799 INFO [stderr] 
Dec 04 18:19:05.799 INFO [stderr] warning: function is never used: `xor_dir`
Dec 04 18:19:05.799 INFO [stderr]    --> src/main.rs:203:1
Dec 04 18:19:05.799 INFO [stderr]     |
Dec 04 18:19:05.799 INFO [stderr] 203 | fn xor_dir<T : FileSystem>(fs : &T, dir_path : &Path, key : &Vec<u8>, mode : &Mode) {
Dec 04 18:19:05.799 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.799 INFO [stderr] 
Dec 04 18:19:05.799 INFO [stderr] warning: function is never used: `rename_entry`
Dec 04 18:19:05.799 INFO [stderr]    --> src/main.rs:237:1
Dec 04 18:19:05.799 INFO [stderr]     |
Dec 04 18:19:05.799 INFO [stderr] 237 | fn rename_entry<T : FileSystem>(fs : &T, entry : &Path, key : &Vec<u8>, mode : &Mode) {
Dec 04 18:19:05.799 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.799 INFO [stderr] 
Dec 04 18:19:05.799 INFO [stderr] warning: function is never used: `repeat_key`
Dec 04 18:19:05.799 INFO [stderr]    --> src/main.rs:281:1
Dec 04 18:19:05.799 INFO [stderr]     |
Dec 04 18:19:05.799 INFO [stderr] 281 | fn repeat_key(key : &Vec<u8>, required_len : usize) -> Vec<u8> {
Dec 04 18:19:05.799 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.799 INFO [stderr] 
Dec 04 18:19:05.799 INFO [stderr] warning: function is never used: `to_hex_string`
Dec 04 18:19:05.799 INFO [stderr]    --> src/main.rs:297:1
Dec 04 18:19:05.799 INFO [stderr]     |
Dec 04 18:19:05.799 INFO [stderr] 297 | fn to_hex_string(bytes: Vec<u8>) -> String {
Dec 04 18:19:05.799 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.799 INFO [stderr] 
Dec 04 18:19:05.799 INFO [stderr] warning: function is never used: `from_hex_string`
Dec 04 18:19:05.799 INFO [stderr]    --> src/main.rs:306:1
Dec 04 18:19:05.799 INFO [stderr]     |
Dec 04 18:19:05.799 INFO [stderr] 306 | fn from_hex_string(hex : &String) -> Vec<u8> {
Dec 04 18:19:05.799 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.799 INFO [stderr] 
Dec 04 18:19:05.799 INFO [stderr] warning: function is never used: `show_prompt`
Dec 04 18:19:05.799 INFO [stderr]    --> src/main.rs:406:1
Dec 04 18:19:05.799 INFO [stderr]     |
Dec 04 18:19:05.799 INFO [stderr] 406 | fn show_prompt() -> char {
Dec 04 18:19:05.799 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.799 INFO [stderr] 
Dec 04 18:19:05.799 INFO [stderr] warning: function is never used: `print_keysize_warning`
Dec 04 18:19:05.799 INFO [stderr]    --> src/main.rs:425:1
Dec 04 18:19:05.800 INFO [stderr]     |
Dec 04 18:19:05.800 INFO [stderr] 425 | fn print_keysize_warning(key_size : usize, largest_file_size : u64, longest_name : usize) {
Dec 04 18:19:05.800 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:05.800 INFO [stderr] 
Dec 04 18:19:06.031 INFO [stderr] warning: unused variable: `mode`
Dec 04 18:19:06.031 INFO [stderr]   --> src/main.rs:89:9
Dec 04 18:19:06.031 INFO [stderr]    |
Dec 04 18:19:06.031 INFO [stderr] 89 |     let mode = if matches.is_present("decrypt") {
Dec 04 18:19:06.031 INFO [stderr]    |         ^^^^ help: consider using `_mode` instead
Dec 04 18:19:06.031 INFO [stderr]    |
Dec 04 18:19:06.031 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 18:19:06.031 INFO [stderr] 
Dec 04 18:19:06.031 INFO [stderr] warning: unused variable: `key_bytes`
Dec 04 18:19:06.031 INFO [stderr]   --> src/main.rs:96:9
Dec 04 18:19:06.031 INFO [stderr]    |
Dec 04 18:19:06.031 INFO [stderr] 96 |     let key_bytes = get_key_bytes(&matches);
Dec 04 18:19:06.031 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_key_bytes` instead
Dec 04 18:19:06.031 INFO [stderr] 
Dec 04 18:19:06.031 INFO [stderr] warning: unused variable: `matches`
Dec 04 18:19:06.031 INFO [stderr]    --> src/main.rs:310:22
Dec 04 18:19:06.031 INFO [stderr]     |
Dec 04 18:19:06.031 INFO [stderr] 310 | fn get_key_bytes<'a>(matches: &'a ArgMatches<'a>) -> Vec<u8> {
Dec 04 18:19:06.031 INFO [stderr]     |                      ^^^^^^^ help: consider using `_matches` instead
Dec 04 18:19:06.039 INFO [stderr] 
Dec 04 18:19:06.071 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:19:06.071 INFO [stderr]    --> src/main.rs:311:9
Dec 04 18:19:06.071 INFO [stderr]     |
Dec 04 18:19:06.071 INFO [stderr] 311 |     let mut key_bytes : Vec<u8> = Vec::new();
Dec 04 18:19:06.071 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 18:19:06.071 INFO [stderr]     |         |
Dec 04 18:19:06.071 INFO [stderr]     |         help: remove this `mut`
Dec 04 18:19:06.071 INFO [stderr]     |
Dec 04 18:19:06.071 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 18:19:06.071 INFO [stderr] 
Dec 04 18:19:06.088 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:19:06.088 INFO [stderr]    --> src/main.rs:529:13
Dec 04 18:19:06.088 INFO [stderr]     |
Dec 04 18:19:06.088 INFO [stderr] 529 |         let mut filenames = get_root_files(&fs);
Dec 04 18:19:06.088 INFO [stderr]     |             ----^^^^^^^^^
Dec 04 18:19:06.088 INFO [stderr]     |             |
Dec 04 18:19:06.088 INFO [stderr]     |             help: remove this `mut`
Dec 04 18:19:06.088 INFO [stderr] 
Dec 04 18:19:06.089 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:19:06.089 INFO [stderr]    --> src/main.rs:556:13
Dec 04 18:19:06.089 INFO [stderr]     |
Dec 04 18:19:06.089 INFO [stderr] 556 |         let mut filenames = get_root_files(&fs);
Dec 04 18:19:06.089 INFO [stderr]     |             ----^^^^^^^^^
Dec 04 18:19:06.089 INFO [stderr]     |             |
Dec 04 18:19:06.089 INFO [stderr]     |             help: remove this `mut`
Dec 04 18:19:06.089 INFO [stderr] 
Dec 04 18:19:06.099 INFO [stderr] warning: struct is never constructed: `StdoutWriter`
Dec 04 18:19:06.099 INFO [stderr]   --> src/stdout_writer.rs:11:1
Dec 04 18:19:06.099 INFO [stderr]    |
Dec 04 18:19:06.099 INFO [stderr] 11 | pub struct StdoutWriter;
Dec 04 18:19:06.099 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:06.099 INFO [stderr]    |
Dec 04 18:19:06.099 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 18:19:06.099 INFO [stderr] 
Dec 04 18:19:06.099 INFO [stderr] warning: function is never used: `show_prompt`
Dec 04 18:19:06.099 INFO [stderr]    --> src/main.rs:406:1
Dec 04 18:19:06.099 INFO [stderr]     |
Dec 04 18:19:06.099 INFO [stderr] 406 | fn show_prompt() -> char {
Dec 04 18:19:06.099 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:06.099 INFO [stderr] 
Dec 04 18:19:06.099 INFO [stderr] warning: function is never used: `print_keysize_warning`
Dec 04 18:19:06.099 INFO [stderr]    --> src/main.rs:425:1
Dec 04 18:19:06.099 INFO [stderr]     |
Dec 04 18:19:06.099 INFO [stderr] 425 | fn print_keysize_warning(key_size : usize, largest_file_size : u64, longest_name : usize) {
Dec 04 18:19:06.099 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:19:06.099 INFO [stderr] 
Dec 04 18:19:06.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.80s
Dec 04 18:19:06.126 INFO [stderr] su: No module specific data is present
Dec 04 18:19:06.976 INFO running `"docker" "inspect" "46b897231a014fe961f2c9c84b122d977a3e63571fe0370e645942da83da8a77"`
Dec 04 18:19:07.212 INFO running `"docker" "rm" "-f" "46b897231a014fe961f2c9c84b122d977a3e63571fe0370e645942da83da8a77"`
Dec 04 18:19:07.470 INFO [stdout] 46b897231a014fe961f2c9c84b122d977a3e63571fe0370e645942da83da8a77