[INFO] updating cached repository stallmanifold/rust-matasano-crypto-challenges
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stallmanifold/rust-matasano-crypto-challenges
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stallmanifold/rust-matasano-crypto-challenges" "work/ex/beta-1.37-6/sources/1.36.0/gh/stallmanifold/rust-matasano-crypto-challenges"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/stallmanifold/rust-matasano-crypto-challenges'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stallmanifold/rust-matasano-crypto-challenges" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stallmanifold/rust-matasano-crypto-challenges"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stallmanifold/rust-matasano-crypto-challenges'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 354e6a55d47c0162ff8cd273eba4dc95d81ee5cb
[INFO] sha for GitHub repo stallmanifold/rust-matasano-crypto-challenges: 354e6a55d47c0162ff8cd273eba4dc95d81ee5cb
[INFO] validating manifest of stallmanifold/rust-matasano-crypto-challenges 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 stallmanifold/rust-matasano-crypto-challenges 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 stallmanifold/rust-matasano-crypto-challenges
[INFO] finished frobbing stallmanifold/rust-matasano-crypto-challenges
[INFO] frobbed toml for stallmanifold/rust-matasano-crypto-challenges written to work/ex/beta-1.37-6/sources/1.36.0/gh/stallmanifold/rust-matasano-crypto-challenges/Cargo.toml
[INFO] started frobbing stallmanifold/rust-matasano-crypto-challenges
[INFO] finished frobbing stallmanifold/rust-matasano-crypto-challenges
[INFO] frobbed toml for stallmanifold/rust-matasano-crypto-challenges written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stallmanifold/rust-matasano-crypto-challenges/Cargo.toml
[INFO] crate stallmanifold/rust-matasano-crypto-challenges 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stallmanifold/rust-matasano-crypto-challenges/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 stallmanifold/rust-matasano-crypto-challenges 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stallmanifold/rust-matasano-crypto-challenges:/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] 7dcf4665027c7006187701066ab3f09cfe656c540d9741884341d57f39d62b55
[INFO] running `"docker" "start" "-a" "7dcf4665027c7006187701066ab3f09cfe656c540d9741884341d57f39d62b55"`
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling matasano-crypto-challenges v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/crypto/xor_cipher.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(key: Vec<u8>) -> XorCipher {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `"docker" "inspect" "7dcf4665027c7006187701066ab3f09cfe656c540d9741884341d57f39d62b55"`
[INFO] running `"docker" "rm" "-f" "7dcf4665027c7006187701066ab3f09cfe656c540d9741884341d57f39d62b55"`
[INFO] [stdout] 7dcf4665027c7006187701066ab3f09cfe656c540d9741884341d57f39d62b55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stallmanifold/rust-matasano-crypto-challenges:/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] 034d1aa7742128468b08aab236b728c925d29947a699a44b01b842229d98dcc0
[INFO] running `"docker" "start" "-a" "034d1aa7742128468b08aab236b728c925d29947a699a44b01b842229d98dcc0"`
[INFO] [stderr]    Compiling matasano-crypto-challenges v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/crypto/tests.rs:27:74
[INFO] [stderr]    |
[INFO] [stderr] 27 |     assert_eq!(String::from_utf8(ciphertext).unwrap(), String::from_utf8((expected_ct)).unwrap());
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/crypto/xor_cipher.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(key: Vec<u8>) -> XorCipher {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "034d1aa7742128468b08aab236b728c925d29947a699a44b01b842229d98dcc0"`
[INFO] running `"docker" "rm" "-f" "034d1aa7742128468b08aab236b728c925d29947a699a44b01b842229d98dcc0"`
[INFO] [stdout] 034d1aa7742128468b08aab236b728c925d29947a699a44b01b842229d98dcc0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stallmanifold/rust-matasano-crypto-challenges:/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] c409129db1ae0783ab092b012053bf10fb2747b505e31f0daaa11db7ecd06d2c
[INFO] running `"docker" "start" "-a" "c409129db1ae0783ab092b012053bf10fb2747b505e31f0daaa11db7ecd06d2c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/matasano_crypto_challenges-90157cd2a3c811c5
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test bitwise::tests::test_edit_dist_should_reject_mismatched_length_strings ... ok
[INFO] [stdout] test bitwise::tests::test_to_hex ... ok
[INFO] [stdout] test bitwise::tests::test_edit_dist ... ok
[INFO] [stdout] test bitwise::tests::test_to_base64 ... ok
[INFO] [stdout] test set1::tests::test_challenge1 ... ok
[INFO] [stdout] test set1::tests::test_challenge2 ... ok
[INFO] [stdout] test crypto::tests::test_xor_cipher_should_reproduce_plaintext ... ok
[INFO] [stdout] test cryptanalysis::tests::test_score_with ... ok
[INFO] [stdout] test crypto::tests::test_xor_cipher ... ok
[INFO] [stdout] test set1::tests::test_challenge5 ... ok
[INFO] [stdout] test set1::tests::test_challenge6 ... ok
[INFO] [stdout] test set1::tests::test_challenge4_file_exists ... ok
[INFO] [stdout] test set1::tests::test_challenge6_file_exists ... ok
[INFO] [stdout] test set1::tests::test_challenge3 ... ok
[INFO] [stdout] test cryptanalysis::tests::test_most_likely_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-66596e2067151b52
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test set1::tests::test_challenge5 ... ok
[INFO] [stdout] test set1::tests::test_challenge2 ... ok
[INFO] [stdout] test set1::tests::test_challenge1 ... ok
[INFO] [stdout] test set1::tests::test_challenge3 ... ok
[INFO] [stdout] test set1::tests::test_challenge6 ... ok
[INFO] [stdout] test set1::tests::test_challenge4 ... ok
[INFO] [stderr]    Doc-tests matasano-crypto-challenges
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "c409129db1ae0783ab092b012053bf10fb2747b505e31f0daaa11db7ecd06d2c"`
[INFO] running `"docker" "rm" "-f" "c409129db1ae0783ab092b012053bf10fb2747b505e31f0daaa11db7ecd06d2c"`
[INFO] [stdout] c409129db1ae0783ab092b012053bf10fb2747b505e31f0daaa11db7ecd06d2c