[INFO] updating cached repository nicofff/rustopals
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nicofff/rustopals
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nicofff/rustopals" "work/ex/beta-1.37-6/sources/1.36.0/gh/nicofff/rustopals"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nicofff/rustopals'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nicofff/rustopals" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicofff/rustopals"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicofff/rustopals'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9753226cc55245c6df428bebcf6870b9871d09c5
[INFO] sha for GitHub repo nicofff/rustopals: 9753226cc55245c6df428bebcf6870b9871d09c5
[INFO] validating manifest of nicofff/rustopals on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nicofff/rustopals on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nicofff/rustopals
[INFO] finished frobbing nicofff/rustopals
[INFO] frobbed toml for nicofff/rustopals written to work/ex/beta-1.37-6/sources/1.36.0/gh/nicofff/rustopals/Cargo.toml
[INFO] started frobbing nicofff/rustopals
[INFO] finished frobbing nicofff/rustopals
[INFO] frobbed toml for nicofff/rustopals written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicofff/rustopals/Cargo.toml
[INFO] crate nicofff/rustopals already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nicofff/rustopals against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nicofff/rustopals:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a2d50d4bc0f71a2ac2ddcd8f1b5e04ad218bd7b4c9ff1b17aa1644c00e4b60ed
[INFO] running `"docker" "start" "-a" "a2d50d4bc0f71a2ac2ddcd8f1b5e04ad218bd7b4c9ff1b17aa1644c00e4b60ed"`
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `bytes_to_hex`, `hex_to_bytes`
[INFO] [stderr]  --> src/main.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use formatters::{hex_to_bytes,bytes_to_hex,b64_to_bytes};
[INFO] [stderr]   |                  ^^^^^^^^^^^^ ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_bytes`
[INFO] [stderr]  --> src/formatters.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn hex_to_bytes(buffer: &str) -> Vec<u8> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_hex`
[INFO] [stderr]   --> src/formatters.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn bytes_to_hex(buffer: &[u8]) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_b64`
[INFO] [stderr]   --> src/formatters.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn bytes_to_b64(buffer: &[u8]) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_b64`
[INFO] [stderr]   --> src/formatters.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn hex_to_b64(buffer: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b64_to_hex`
[INFO] [stderr]   --> src/formatters.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn b64_to_hex(buffer: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixed_xor`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn fixed_xor(buffer1: &[u8], buffer2:&[u8]) -> Vec<u8>{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "a2d50d4bc0f71a2ac2ddcd8f1b5e04ad218bd7b4c9ff1b17aa1644c00e4b60ed"`
[INFO] running `"docker" "rm" "-f" "a2d50d4bc0f71a2ac2ddcd8f1b5e04ad218bd7b4c9ff1b17aa1644c00e4b60ed"`
[INFO] [stdout] a2d50d4bc0f71a2ac2ddcd8f1b5e04ad218bd7b4c9ff1b17aa1644c00e4b60ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nicofff/rustopals:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b2a6535b790cb457a595a8f5bf9cd9c4b35c842ce189140c9682f46036186c1c
[INFO] running `"docker" "start" "-a" "b2a6535b790cb457a595a8f5bf9cd9c4b35c842ce189140c9682f46036186c1c"`
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `bytes_to_hex`, `hex_to_bytes`
[INFO] [stderr]  --> src/main.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use formatters::{hex_to_bytes,bytes_to_hex,b64_to_bytes};
[INFO] [stderr]   |                  ^^^^^^^^^^^^ ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_bytes`
[INFO] [stderr]  --> src/formatters.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn hex_to_bytes(buffer: &str) -> Vec<u8> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_hex`
[INFO] [stderr]   --> src/formatters.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn bytes_to_hex(buffer: &[u8]) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_b64`
[INFO] [stderr]   --> src/formatters.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn bytes_to_b64(buffer: &[u8]) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_b64`
[INFO] [stderr]   --> src/formatters.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn hex_to_b64(buffer: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b64_to_hex`
[INFO] [stderr]   --> src/formatters.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn b64_to_hex(buffer: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixed_xor`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn fixed_xor(buffer1: &[u8], buffer2:&[u8]) -> Vec<u8>{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "b2a6535b790cb457a595a8f5bf9cd9c4b35c842ce189140c9682f46036186c1c"`
[INFO] running `"docker" "rm" "-f" "b2a6535b790cb457a595a8f5bf9cd9c4b35c842ce189140c9682f46036186c1c"`
[INFO] [stdout] b2a6535b790cb457a595a8f5bf9cd9c4b35c842ce189140c9682f46036186c1c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nicofff/rustopals:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4d9f75949979a705dbe3a1584bab005132d6249e0c00f261831df6fb3174322d
[INFO] running `"docker" "start" "-a" "4d9f75949979a705dbe3a1584bab005132d6249e0c00f261831df6fb3174322d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cryptopals-007702140eb7122a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cryptopals-6051ff5b8e7bd62e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cryptopals
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4d9f75949979a705dbe3a1584bab005132d6249e0c00f261831df6fb3174322d"`
[INFO] running `"docker" "rm" "-f" "4d9f75949979a705dbe3a1584bab005132d6249e0c00f261831df6fb3174322d"`
[INFO] [stdout] 4d9f75949979a705dbe3a1584bab005132d6249e0c00f261831df6fb3174322d