[INFO] updating cached repository cavejay/cryptopal-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cavejay/cryptopal-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cavejay/cryptopal-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cavejay/cryptopal-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cavejay/cryptopal-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cavejay/cryptopal-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cavejay/cryptopal-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cavejay/cryptopal-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf956a1ad1da4f05e7cb9a52afebe60df9b688d4
[INFO] sha for GitHub repo cavejay/cryptopal-rust: cf956a1ad1da4f05e7cb9a52afebe60df9b688d4
[INFO] validating manifest of cavejay/cryptopal-rust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cavejay/cryptopal-rust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cavejay/cryptopal-rust
[INFO] finished frobbing cavejay/cryptopal-rust
[INFO] frobbed toml for cavejay/cryptopal-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cavejay/cryptopal-rust/Cargo.toml
[INFO] started frobbing cavejay/cryptopal-rust
[INFO] finished frobbing cavejay/cryptopal-rust
[INFO] frobbed toml for cavejay/cryptopal-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cavejay/cryptopal-rust/Cargo.toml
[INFO] crate cavejay/cryptopal-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cavejay/cryptopal-rust against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cavejay/cryptopal-rust:/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=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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1bfa53beda1215731636955f0a11fc8ae074431c22df3cc2b5e42ef24147722a
[INFO] running `"docker" "start" "-a" "1bfa53beda1215731636955f0a11fc8ae074431c22df3cc2b5e42ef24147722a"`
[INFO] [stderr]     Checking cryptopal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `base64_chars`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_base64_chars`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bh64.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut s = s.clone();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `base64_char_to_val`
[INFO] [stderr]   --> src/bh64.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn base64_char_to_val(c: char) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `value_to_b64`
[INFO] [stderr]   --> src/bh64.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn value_to_b64(v: &Vec<usize>) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mapC` should have a snake case name
[INFO] [stderr]  --> src/crypt.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut mapC = vec![0; 1];
[INFO] [stderr]   |             ^^^^ help: convert the identifier to snake case: `map_c`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mapN` should have a snake case name
[INFO] [stderr]  --> src/crypt.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut mapN = vec![0; 1];
[INFO] [stderr]   |             ^^^^ help: convert the identifier to snake case: `map_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base64_chars`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_base64_chars`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bh64.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut s = s.clone();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `base64_char_to_val`
[INFO] [stderr]   --> src/bh64.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn base64_char_to_val(c: char) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `value_to_b64`
[INFO] [stderr]   --> src/bh64.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn value_to_b64(v: &Vec<usize>) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mapC` should have a snake case name
[INFO] [stderr]  --> src/crypt.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut mapC = vec![0; 1];
[INFO] [stderr]   |             ^^^^ help: convert the identifier to snake case: `map_c`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mapN` should have a snake case name
[INFO] [stderr]  --> src/crypt.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut mapN = vec![0; 1];
[INFO] [stderr]   |             ^^^^ help: convert the identifier to snake case: `map_n`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "1bfa53beda1215731636955f0a11fc8ae074431c22df3cc2b5e42ef24147722a"`
[INFO] running `"docker" "rm" "-f" "1bfa53beda1215731636955f0a11fc8ae074431c22df3cc2b5e42ef24147722a"`
[INFO] [stdout] 1bfa53beda1215731636955f0a11fc8ae074431c22df3cc2b5e42ef24147722a