Oct 12 21:16:37.571 INFO checking gavynriebau/xor against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:16:37.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 21:16:38.014 INFO blam! 63cbacd87baf4c43b9734b2e7ba443da98c066db3e7894d99a3c4b7d1ad8ff50
Oct 12 21:16:38.016 INFO running `"docker" "start" "-a" "63cbacd87baf4c43b9734b2e7ba443da98c066db3e7894d99a3c4b7d1ad8ff50"`
Oct 12 21:16:39.976 INFO kablam! usermod: no changes
Oct 12 21:16:40.120 INFO kablam!     Checking rand v0.3.18
Oct 12 21:16:40.120 INFO kablam!     Checking rand v0.4.2
Oct 12 21:16:40.136 INFO kablam!     Checking base64 v0.6.0
Oct 12 21:16:40.136 INFO kablam!     Checking xor-utils v0.6.0
Oct 12 21:16:40.136 INFO kablam!     Checking textwrap v0.6.0
Oct 12 21:16:40.136 INFO kablam!     Checking regex v0.2.2
Oct 12 21:16:43.244 INFO kablam!     Checking clap v2.25.0
Oct 12 21:16:46.436 INFO kablam!     Checking tempdir v0.3.5
Oct 12 21:16:47.745 INFO kablam!     Checking filesystem v0.4.2
Oct 12 21:16:47.921 INFO kablam!     Checking env_logger v0.4.3
Oct 12 21:16:54.500 INFO kablam!     Checking xor v1.4.5 (/source)
Oct 12 21:16:56.476 INFO kablam! warning: unused import: `std::fs`
Oct 12 21:16:56.476 INFO kablam!   --> src/main.rs:16:5
Oct 12 21:16:56.476 INFO kablam!    |
Oct 12 21:16:56.476 INFO kablam! 16 | use std::fs;
Oct 12 21:16:56.476 INFO kablam!    |     ^^^^^^^
Oct 12 21:16:56.476 INFO kablam!    |
Oct 12 21:16:56.476 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 21:16:56.476 INFO kablam! 
Oct 12 21:16:56.636 INFO kablam! warning: unused import: `std::fs`
Oct 12 21:16:56.636 INFO kablam!   --> src/main.rs:16:5
Oct 12 21:16:56.636 INFO kablam!    |
Oct 12 21:16:56.636 INFO kablam! 16 | use std::fs;
Oct 12 21:16:56.636 INFO kablam!    |     ^^^^^^^
Oct 12 21:16:56.636 INFO kablam!    |
Oct 12 21:16:56.636 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 21:16:56.636 INFO kablam! 
Oct 12 21:16:56.636 INFO kablam! warning: unused import: `Cursor`
Oct 12 21:16:56.636 INFO kablam!   --> src/main.rs:18:28
Oct 12 21:16:56.636 INFO kablam!    |
Oct 12 21:16:56.636 INFO kablam! 18 | use std::io::{Write, Read, Cursor};
Oct 12 21:16:56.636 INFO kablam!    |                            ^^^^^^
Oct 12 21:16:56.636 INFO kablam! 
Oct 12 21:16:56.997 INFO kablam! warning: unused variable: `mode`
Oct 12 21:16:56.997 INFO kablam!   --> src/main.rs:89:9
Oct 12 21:16:56.997 INFO kablam!    |
Oct 12 21:16:56.997 INFO kablam! 89 |     let mode = if matches.is_present("decrypt") {
Oct 12 21:16:56.997 INFO kablam!    |         ^^^^ help: consider using `_mode` instead
Oct 12 21:16:56.997 INFO kablam!    |
Oct 12 21:16:56.997 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:16:56.997 INFO kablam! 
Oct 12 21:16:56.997 INFO kablam! warning: unused variable: `key_bytes`
Oct 12 21:16:56.997 INFO kablam!   --> src/main.rs:96:9
Oct 12 21:16:56.997 INFO kablam!    |
Oct 12 21:16:56.997 INFO kablam! 96 |     let key_bytes = get_key_bytes(&matches);
Oct 12 21:16:56.997 INFO kablam!    |         ^^^^^^^^^ help: consider using `_key_bytes` instead
Oct 12 21:16:56.997 INFO kablam! 
Oct 12 21:16:56.997 INFO kablam! warning: unused variable: `matches`
Oct 12 21:16:56.997 INFO kablam!    --> src/main.rs:310:22
Oct 12 21:16:56.997 INFO kablam!     |
Oct 12 21:16:56.997 INFO kablam! 310 | fn get_key_bytes<'a>(matches: &'a ArgMatches<'a>) -> Vec<u8> {
Oct 12 21:16:56.997 INFO kablam!     |                      ^^^^^^^ help: consider using `_matches` instead
Oct 12 21:16:56.997 INFO kablam! 
Oct 12 21:16:57.072 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:16:57.072 INFO kablam!    --> src/main.rs:311:9
Oct 12 21:16:57.072 INFO kablam!     |
Oct 12 21:16:57.072 INFO kablam! 311 |     let mut key_bytes : Vec<u8> = Vec::new();
Oct 12 21:16:57.072 INFO kablam!     |         ----^^^^^^^^^
Oct 12 21:16:57.072 INFO kablam!     |         |
Oct 12 21:16:57.072 INFO kablam!     |         help: remove this `mut`
Oct 12 21:16:57.072 INFO kablam!     |
Oct 12 21:16:57.072 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:16:57.072 INFO kablam! 
Oct 12 21:16:57.080 INFO kablam! warning: unused variable: `mode`
Oct 12 21:16:57.080 INFO kablam!   --> src/main.rs:89:9
Oct 12 21:16:57.080 INFO kablam!    |
Oct 12 21:16:57.080 INFO kablam! 89 |     let mode = if matches.is_present("decrypt") {
Oct 12 21:16:57.080 INFO kablam!    |         ^^^^ help: consider using `_mode` instead
Oct 12 21:16:57.080 INFO kablam!    |
Oct 12 21:16:57.080 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:16:57.080 INFO kablam! 
Oct 12 21:16:57.080 INFO kablam! warning: unused variable: `key_bytes`
Oct 12 21:16:57.080 INFO kablam!   --> src/main.rs:96:9
Oct 12 21:16:57.080 INFO kablam!    |
Oct 12 21:16:57.080 INFO kablam! 96 |     let key_bytes = get_key_bytes(&matches);
Oct 12 21:16:57.080 INFO kablam!    |         ^^^^^^^^^ help: consider using `_key_bytes` instead
Oct 12 21:16:57.080 INFO kablam! 
Oct 12 21:16:57.080 INFO kablam! warning: unused variable: `matches`
Oct 12 21:16:57.080 INFO kablam!    --> src/main.rs:310:22
Oct 12 21:16:57.080 INFO kablam!     |
Oct 12 21:16:57.080 INFO kablam! 310 | fn get_key_bytes<'a>(matches: &'a ArgMatches<'a>) -> Vec<u8> {
Oct 12 21:16:57.080 INFO kablam!     |                      ^^^^^^^ help: consider using `_matches` instead
Oct 12 21:16:57.080 INFO kablam! 
Oct 12 21:16:57.092 INFO kablam! warning: struct is never constructed: `StdoutWriter`
Oct 12 21:16:57.092 INFO kablam!   --> src/stdout_writer.rs:11:1
Oct 12 21:16:57.092 INFO kablam!    |
Oct 12 21:16:57.092 INFO kablam! 11 | pub struct StdoutWriter;
Oct 12 21:16:57.092 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.092 INFO kablam!    |
Oct 12 21:16:57.092 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:16:57.092 INFO kablam! 
Oct 12 21:16:57.092 INFO kablam! warning: function is never used: `encrypt_reader`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:139:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 139 | fn encrypt_reader(input : &mut Read, key : &Vec<u8>, output : &mut Write) {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `xor_file`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:185:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 185 | fn xor_file<T : FileSystem>(fs : &T, file_path : &Path, key : &Vec<u8>, mode : &Mode) {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `xor_dir`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:203:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 203 | fn xor_dir<T : FileSystem>(fs : &T, dir_path : &Path, key : &Vec<u8>, mode : &Mode) {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `rename_entry`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:237:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 237 | fn rename_entry<T : FileSystem>(fs : &T, entry : &Path, key : &Vec<u8>, mode : &Mode) {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `repeat_key`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:281:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 281 | fn repeat_key(key : &Vec<u8>, required_len : usize) -> Vec<u8> {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `to_hex_string`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:297:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 297 | fn to_hex_string(bytes: Vec<u8>) -> String {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `from_hex_string`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:306:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 306 | fn from_hex_string(hex : &String) -> Vec<u8> {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `show_prompt`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:406:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 406 | fn show_prompt() -> char {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.093 INFO kablam! warning: function is never used: `print_keysize_warning`
Oct 12 21:16:57.093 INFO kablam!    --> src/main.rs:425:1
Oct 12 21:16:57.093 INFO kablam!     |
Oct 12 21:16:57.093 INFO kablam! 425 | fn print_keysize_warning(key_size : usize, largest_file_size : u64, longest_name : usize) {
Oct 12 21:16:57.093 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.093 INFO kablam! 
Oct 12 21:16:57.166 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:16:57.166 INFO kablam!    --> src/main.rs:311:9
Oct 12 21:16:57.166 INFO kablam!     |
Oct 12 21:16:57.166 INFO kablam! 311 |     let mut key_bytes : Vec<u8> = Vec::new();
Oct 12 21:16:57.166 INFO kablam!     |         ----^^^^^^^^^
Oct 12 21:16:57.166 INFO kablam!     |         |
Oct 12 21:16:57.166 INFO kablam!     |         help: remove this `mut`
Oct 12 21:16:57.166 INFO kablam!     |
Oct 12 21:16:57.166 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:16:57.166 INFO kablam! 
Oct 12 21:16:57.213 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:16:57.213 INFO kablam!    --> src/main.rs:529:13
Oct 12 21:16:57.214 INFO kablam!     |
Oct 12 21:16:57.214 INFO kablam! 529 |         let mut filenames = get_root_files(&fs);
Oct 12 21:16:57.214 INFO kablam!     |             ----^^^^^^^^^
Oct 12 21:16:57.214 INFO kablam!     |             |
Oct 12 21:16:57.215 INFO kablam!     |             help: remove this `mut`
Oct 12 21:16:57.215 INFO kablam! 
Oct 12 21:16:57.215 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:16:57.215 INFO kablam!    --> src/main.rs:556:13
Oct 12 21:16:57.216 INFO kablam!     |
Oct 12 21:16:57.216 INFO kablam! 556 |         let mut filenames = get_root_files(&fs);
Oct 12 21:16:57.216 INFO kablam!     |             ----^^^^^^^^^
Oct 12 21:16:57.216 INFO kablam!     |             |
Oct 12 21:16:57.217 INFO kablam!     |             help: remove this `mut`
Oct 12 21:16:57.217 INFO kablam! 
Oct 12 21:16:57.237 INFO kablam! warning: struct is never constructed: `StdoutWriter`
Oct 12 21:16:57.237 INFO kablam!   --> src/stdout_writer.rs:11:1
Oct 12 21:16:57.237 INFO kablam!    |
Oct 12 21:16:57.238 INFO kablam! 11 | pub struct StdoutWriter;
Oct 12 21:16:57.238 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.238 INFO kablam!    |
Oct 12 21:16:57.239 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:16:57.239 INFO kablam! 
Oct 12 21:16:57.239 INFO kablam! warning: function is never used: `show_prompt`
Oct 12 21:16:57.240 INFO kablam!    --> src/main.rs:406:1
Oct 12 21:16:57.240 INFO kablam!     |
Oct 12 21:16:57.240 INFO kablam! 406 | fn show_prompt() -> char {
Oct 12 21:16:57.241 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.241 INFO kablam! 
Oct 12 21:16:57.244 INFO kablam! warning: function is never used: `print_keysize_warning`
Oct 12 21:16:57.244 INFO kablam!    --> src/main.rs:425:1
Oct 12 21:16:57.244 INFO kablam!     |
Oct 12 21:16:57.244 INFO kablam! 425 | fn print_keysize_warning(key_size : usize, largest_file_size : u64, longest_name : usize) {
Oct 12 21:16:57.264 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:57.264 INFO kablam! 
Oct 12 21:16:57.329 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.33s
Oct 12 21:16:57.337 INFO kablam! su: No module specific data is present
Oct 12 21:16:58.072 INFO running `"docker" "rm" "-f" "63cbacd87baf4c43b9734b2e7ba443da98c066db3e7894d99a3c4b7d1ad8ff50"`
Oct 12 21:16:58.432 INFO blam! 63cbacd87baf4c43b9734b2e7ba443da98c066db3e7894d99a3c4b7d1ad8ff50