Dec 12 03:11:59.509 INFO checking DenialAdams/steganography against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:11:59.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 03:11:59.986 INFO [stdout] 3dc11d6371da2d4bf9a11fcfad8b41443fe18c21c7aaaa75c3cb274134781d32
Dec 12 03:11:59.994 INFO running `"docker" "start" "-a" "3dc11d6371da2d4bf9a11fcfad8b41443fe18c21c7aaaa75c3cb274134781d32"`
Dec 12 03:12:01.498 INFO [stderr] usermod: no changes
Dec 12 03:12:01.596 INFO [stderr]     Checking num-rational v0.1.41
Dec 12 03:12:02.493 INFO [stderr]     Checking image v0.18.0
Dec 12 03:12:07.026 INFO [stderr]     Checking steganography v0.1.0 (/source)
Dec 12 03:12:09.113 INFO [stderr] warning: function is never used: `vigenere_encrypt`
Dec 12 03:12:09.113 INFO [stderr]  --> src/crypto.rs:5:1
Dec 12 03:12:09.113 INFO [stderr]   |
Dec 12 03:12:09.113 INFO [stderr] 5 | pub fn vigenere_encrypt(input: &[u8], key: &[u8]) -> Result<Vec<u8>, &'static str> {
Dec 12 03:12:09.113 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.113 INFO [stderr]   |
Dec 12 03:12:09.113 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 03:12:09.113 INFO [stderr] 
Dec 12 03:12:09.113 INFO [stderr] warning: function is never used: `vigenere_decrypt`
Dec 12 03:12:09.113 INFO [stderr]   --> src/crypto.rs:17:1
Dec 12 03:12:09.113 INFO [stderr]    |
Dec 12 03:12:09.114 INFO [stderr] 17 | pub fn vigenere_decrypt(input: &[u8], key: &[u8]) -> Result<Vec<u8>, &'static str> {
Dec 12 03:12:09.114 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `caesar_encrypt`
Dec 12 03:12:09.114 INFO [stderr]   --> src/crypto.rs:29:1
Dec 12 03:12:09.114 INFO [stderr]    |
Dec 12 03:12:09.114 INFO [stderr] 29 | pub fn caesar_encrypt(input: &[u8], offset: u8) -> Result<Vec<u8>, &'static str> {
Dec 12 03:12:09.114 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `caesar_decrypt`
Dec 12 03:12:09.114 INFO [stderr]   --> src/crypto.rs:40:1
Dec 12 03:12:09.114 INFO [stderr]    |
Dec 12 03:12:09.114 INFO [stderr] 40 | pub fn caesar_decrypt(input: &[u8], offset: u8) -> Result<Vec<u8>, &'static str> {
Dec 12 03:12:09.114 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `modulo`
Dec 12 03:12:09.114 INFO [stderr]   --> src/crypto.rs:52:1
Dec 12 03:12:09.114 INFO [stderr]    |
Dec 12 03:12:09.114 INFO [stderr] 52 | fn modulo(base: i8, other: u8) -> u8 {
Dec 12 03:12:09.114 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `alpha_to_twosix`
Dec 12 03:12:09.114 INFO [stderr]  --> src/util.rs:1:1
Dec 12 03:12:09.114 INFO [stderr]   |
Dec 12 03:12:09.114 INFO [stderr] 1 | pub fn alpha_to_twosix(input: u8) -> Result<u8, &'static str> {
Dec 12 03:12:09.114 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `twosix_to_alpha`
Dec 12 03:12:09.114 INFO [stderr]   --> src/util.rs:33:1
Dec 12 03:12:09.114 INFO [stderr]    |
Dec 12 03:12:09.114 INFO [stderr] 33 | pub fn twosix_to_alpha(input: u8) -> Result<u8, &'static str> {
Dec 12 03:12:09.114 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `create_parity_chart`
Dec 12 03:12:09.114 INFO [stderr]   --> src/main.rs:95:1
Dec 12 03:12:09.114 INFO [stderr]    |
Dec 12 03:12:09.114 INFO [stderr] 95 | fn create_parity_chart(filename_in: &str, filename_out: &str) {
Dec 12 03:12:09.114 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `is_odd_parity`
Dec 12 03:12:09.114 INFO [stderr]    --> src/main.rs:115:1
Dec 12 03:12:09.114 INFO [stderr]     |
Dec 12 03:12:09.114 INFO [stderr] 115 | fn is_odd_parity(mut v: u32) -> bool {
Dec 12 03:12:09.114 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `read_parity_message`
Dec 12 03:12:09.114 INFO [stderr]    --> src/main.rs:126:1
Dec 12 03:12:09.114 INFO [stderr]     |
Dec 12 03:12:09.114 INFO [stderr] 126 | fn read_parity_message(filename: &str) -> Result<Vec<u8>, &'static str> {
Dec 12 03:12:09.114 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `write_parity_message`
Dec 12 03:12:09.114 INFO [stderr]    --> src/main.rs:148:1
Dec 12 03:12:09.114 INFO [stderr]     |
Dec 12 03:12:09.114 INFO [stderr] 148 | fn write_parity_message(message: &[u8]) -> Result<(), &'static str> {
Dec 12 03:12:09.114 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.114 INFO [stderr] warning: function is never used: `write_end_of_image_comment`
Dec 12 03:12:09.114 INFO [stderr]    --> src/main.rs:208:1
Dec 12 03:12:09.114 INFO [stderr]     |
Dec 12 03:12:09.114 INFO [stderr] 208 | fn write_end_of_image_comment(message: &[u8]) {
Dec 12 03:12:09.114 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.114 INFO [stderr] 
Dec 12 03:12:09.225 INFO [stderr] warning: function is never used: `create_parity_chart`
Dec 12 03:12:09.225 INFO [stderr]   --> src/main.rs:95:1
Dec 12 03:12:09.225 INFO [stderr]    |
Dec 12 03:12:09.225 INFO [stderr] 95 | fn create_parity_chart(filename_in: &str, filename_out: &str) {
Dec 12 03:12:09.225 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.225 INFO [stderr]    |
Dec 12 03:12:09.225 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:12:09.225 INFO [stderr] 
Dec 12 03:12:09.225 INFO [stderr] warning: function is never used: `is_odd_parity`
Dec 12 03:12:09.225 INFO [stderr]    --> src/main.rs:115:1
Dec 12 03:12:09.225 INFO [stderr]     |
Dec 12 03:12:09.225 INFO [stderr] 115 | fn is_odd_parity(mut v: u32) -> bool {
Dec 12 03:12:09.226 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.226 INFO [stderr] 
Dec 12 03:12:09.226 INFO [stderr] warning: function is never used: `read_parity_message`
Dec 12 03:12:09.226 INFO [stderr]    --> src/main.rs:126:1
Dec 12 03:12:09.226 INFO [stderr]     |
Dec 12 03:12:09.226 INFO [stderr] 126 | fn read_parity_message(filename: &str) -> Result<Vec<u8>, &'static str> {
Dec 12 03:12:09.226 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.226 INFO [stderr] 
Dec 12 03:12:09.226 INFO [stderr] warning: function is never used: `write_parity_message`
Dec 12 03:12:09.226 INFO [stderr]    --> src/main.rs:148:1
Dec 12 03:12:09.226 INFO [stderr]     |
Dec 12 03:12:09.226 INFO [stderr] 148 | fn write_parity_message(message: &[u8]) -> Result<(), &'static str> {
Dec 12 03:12:09.226 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.226 INFO [stderr] 
Dec 12 03:12:09.226 INFO [stderr] warning: function is never used: `write_end_of_image_comment`
Dec 12 03:12:09.226 INFO [stderr]    --> src/main.rs:208:1
Dec 12 03:12:09.226 INFO [stderr]     |
Dec 12 03:12:09.226 INFO [stderr] 208 | fn write_end_of_image_comment(message: &[u8]) {
Dec 12 03:12:09.226 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:12:09.226 INFO [stderr] 
Dec 12 03:12:09.245 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
Dec 12 03:12:09.250 INFO [stderr] su: No module specific data is present
Dec 12 03:12:09.557 INFO running `"docker" "inspect" "3dc11d6371da2d4bf9a11fcfad8b41443fe18c21c7aaaa75c3cb274134781d32"`
Dec 12 03:12:09.650 INFO running `"docker" "rm" "-f" "3dc11d6371da2d4bf9a11fcfad8b41443fe18c21c7aaaa75c3cb274134781d32"`
Dec 12 03:12:09.832 INFO [stdout] 3dc11d6371da2d4bf9a11fcfad8b41443fe18c21c7aaaa75c3cb274134781d32