[INFO] updating cached repository tripped/matasano-crypto [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tripped/matasano-crypto [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tripped/matasano-crypto" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/tripped/matasano-crypto"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/tripped/matasano-crypto'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tripped/matasano-crypto" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/tripped/matasano-crypto"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/tripped/matasano-crypto'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 642511e252f33d93595b2608494fe57efd1b68e4 [INFO] sha for GitHub repo tripped/matasano-crypto: 642511e252f33d93595b2608494fe57efd1b68e4 [INFO] validating manifest of tripped/matasano-crypto on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tripped/matasano-crypto on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tripped/matasano-crypto [INFO] finished frobbing tripped/matasano-crypto [INFO] frobbed toml for tripped/matasano-crypto written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/tripped/matasano-crypto/Cargo.toml [INFO] started frobbing tripped/matasano-crypto [INFO] finished frobbing tripped/matasano-crypto [INFO] frobbed toml for tripped/matasano-crypto written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/tripped/matasano-crypto/Cargo.toml [INFO] crate tripped/matasano-crypto already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/tripped/matasano-crypto/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tripped/matasano-crypto against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/tripped/matasano-crypto:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 243ff1411293953d8b77946877a94fa0c85ec67f5ecf37f7443813e67a26c9e6 [INFO] running `"docker" "start" "-a" "243ff1411293953d8b77946877a94fa0c85ec67f5ecf37f7443813e67a26c9e6"` [INFO] [stderr] Checking itertools v0.4.19 [INFO] [stderr] Checking matasano-crypto v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `b64encode` [INFO] [stderr] --> src/base64.rs:70:1 [INFO] [stderr] | [INFO] [stderr] 70 | fn b64encode(data: &[u8]) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hex_to_base64` [INFO] [stderr] --> src/main.rs:51:1 [INFO] [stderr] | [INFO] [stderr] 51 | fn hex_to_base64(s: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `xor` [INFO] [stderr] --> src/main.rs:67:1 [INFO] [stderr] | [INFO] [stderr] 67 | fn xor(a: &str, b: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `score` [INFO] [stderr] --> src/main.rs:90:1 [INFO] [stderr] | [INFO] [stderr] 90 | fn score(plaintext: &str) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decrypt_single_xor` [INFO] [stderr] --> src/main.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | fn decrypt_single_xor(ciphertext: &str) -> (i32, String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_single_char_xor` [INFO] [stderr] --> src/main.rs:145:1 [INFO] [stderr] | [INFO] [stderr] 145 | / fn find_single_char_xor(input_filename: &str) [INFO] [stderr] 146 | | -> std::io::Result<(i32, String)> { [INFO] [stderr] 147 | | let f = try!(File::open(input_filename)); [INFO] [stderr] 148 | | let file = BufReader::new(&f); [INFO] [stderr] ... | [INFO] [stderr] 160 | | Ok((best_score, best)) [INFO] [stderr] 161 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bytes_to_hex` [INFO] [stderr] --> src/main.rs:176:1 [INFO] [stderr] | [INFO] [stderr] 176 | fn bytes_to_hex>(iter: I) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `repeating_key_xor` [INFO] [stderr] --> src/main.rs:203:1 [INFO] [stderr] | [INFO] [stderr] 203 | fn repeating_key_xor(text: &str, key: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hamming_distance` [INFO] [stderr] --> src/main.rs:227:1 [INFO] [stderr] | [INFO] [stderr] 227 | / fn hamming_distance(a: A, b: B) -> usize [INFO] [stderr] 228 | | where A: Iterator, [INFO] [stderr] 229 | | B: Iterator { [INFO] [stderr] 230 | | /// Hamming distance between two u8s [INFO] [stderr] ... | [INFO] [stderr] 241 | | a.zip(b).map(dist).sum() [INFO] [stderr] 242 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hamming_distance_str` [INFO] [stderr] --> src/main.rs:245:1 [INFO] [stderr] | [INFO] [stderr] 245 | fn hamming_distance_str(a: &str, b: &str) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_key_lengths` [INFO] [stderr] --> src/main.rs:257:1 [INFO] [stderr] | [INFO] [stderr] 257 | fn find_key_lengths(data: &[u8]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_key_lengths_for_file` [INFO] [stderr] --> src/main.rs:274:1 [INFO] [stderr] | [INFO] [stderr] 274 | fn find_key_lengths_for_file(filename: &str) -> std::io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `iter_arith` has been stable since 1.11.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(iter_arith)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `iter_arith` has been stable since 1.11.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(iter_arith)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `"docker" "inspect" "243ff1411293953d8b77946877a94fa0c85ec67f5ecf37f7443813e67a26c9e6"` [INFO] running `"docker" "rm" "-f" "243ff1411293953d8b77946877a94fa0c85ec67f5ecf37f7443813e67a26c9e6"` [INFO] [stdout] 243ff1411293953d8b77946877a94fa0c85ec67f5ecf37f7443813e67a26c9e6