[INFO] crate cryptopals 0.1.0 is already in cache
[INFO] extracting crate cryptopals 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cryptopals/0.1.0
[INFO] extracting crate cryptopals 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cryptopals/0.1.0
[INFO] validating manifest of cryptopals-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cryptopals-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cryptopals-0.1.0
[INFO] finished frobbing cryptopals-0.1.0
[INFO] frobbed toml for cryptopals-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cryptopals/0.1.0/Cargo.toml
[INFO] started frobbing cryptopals-0.1.0
[INFO] finished frobbing cryptopals-0.1.0
[INFO] frobbed toml for cryptopals-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cryptopals/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cryptopals-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cryptopals/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a4dedc3df616c59e10e56180ff82a9a883dd91bb621d6baf456ed7ba34ca2771
[INFO] running `"docker" "start" "-a" "a4dedc3df616c59e10e56180ff82a9a883dd91bb621d6baf456ed7ba34ca2771"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `to_bytes`
[INFO] [stderr]  --> src/basics.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn to_bytes(hex: &String) -> Vec<u8> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_hex`
[INFO] [stderr]   --> src/basics.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn to_hex(bytes: Vec<u8>) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_base64`
[INFO] [stderr]   --> src/basics.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn hex_to_base64(hex: &String) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xor`
[INFO] [stderr]   --> src/basics.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn xor(a: &Vec<u8>, b: &Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "a4dedc3df616c59e10e56180ff82a9a883dd91bb621d6baf456ed7ba34ca2771"`
[INFO] running `"docker" "rm" "-f" "a4dedc3df616c59e10e56180ff82a9a883dd91bb621d6baf456ed7ba34ca2771"`
[INFO] [stdout] a4dedc3df616c59e10e56180ff82a9a883dd91bb621d6baf456ed7ba34ca2771
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cryptopals/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b52dd4eda2d005042d370f1d9b94c4b248792573a83d4c63b50d8feeb6dfb07
[INFO] running `"docker" "start" "-a" "2b52dd4eda2d005042d370f1d9b94c4b248792573a83d4c63b50d8feeb6dfb07"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "2b52dd4eda2d005042d370f1d9b94c4b248792573a83d4c63b50d8feeb6dfb07"`
[INFO] running `"docker" "rm" "-f" "2b52dd4eda2d005042d370f1d9b94c4b248792573a83d4c63b50d8feeb6dfb07"`
[INFO] [stdout] 2b52dd4eda2d005042d370f1d9b94c4b248792573a83d4c63b50d8feeb6dfb07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cryptopals/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 19bfff02a1033bce923ac2c9adebea417251a72734896e2ec7ece2952e99391b
[INFO] running `"docker" "start" "-a" "19bfff02a1033bce923ac2c9adebea417251a72734896e2ec7ece2952e99391b"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cryptopals-a346f9afecac455b
[INFO] [stderr]    Doc-tests cryptopals
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test basics::basics_tests::xor_test ... ok
[INFO] [stdout] test basics::basics_tests::hex_to_base64_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "19bfff02a1033bce923ac2c9adebea417251a72734896e2ec7ece2952e99391b"`
[INFO] running `"docker" "rm" "-f" "19bfff02a1033bce923ac2c9adebea417251a72734896e2ec7ece2952e99391b"`
[INFO] [stdout] 19bfff02a1033bce923ac2c9adebea417251a72734896e2ec7ece2952e99391b