[INFO] updating cached repository commiebstrd/cryptopals_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/commiebstrd/cryptopals_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/commiebstrd/cryptopals_rs" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/commiebstrd/cryptopals_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/commiebstrd/cryptopals_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/commiebstrd/cryptopals_rs" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/commiebstrd/cryptopals_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/commiebstrd/cryptopals_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b87f02762b08fe81b358c7d827164362ceebc2c
[INFO] sha for GitHub repo commiebstrd/cryptopals_rs: 4b87f02762b08fe81b358c7d827164362ceebc2c
[INFO] validating manifest of commiebstrd/cryptopals_rs on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of commiebstrd/cryptopals_rs on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing commiebstrd/cryptopals_rs
[INFO] finished frobbing commiebstrd/cryptopals_rs
[INFO] frobbed toml for commiebstrd/cryptopals_rs written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/commiebstrd/cryptopals_rs/Cargo.toml
[INFO] started frobbing commiebstrd/cryptopals_rs
[INFO] finished frobbing commiebstrd/cryptopals_rs
[INFO] frobbed toml for commiebstrd/cryptopals_rs written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/commiebstrd/cryptopals_rs/Cargo.toml
[INFO] crate commiebstrd/cryptopals_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking commiebstrd/cryptopals_rs against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-5/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/commiebstrd/cryptopals_rs:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79e3296f7e01ae4bd704fe0ee73aeb15447cd7f88cb0614b086c20fc5dcb4fa8
[INFO] running `"docker" "start" "-a" "79e3296f7e01ae4bd704fe0ee73aeb15447cd7f88cb0614b086c20fc5dcb4fa8"`
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `hex_d_hex::dhex`
[INFO] [stderr]  --> src/challenges/chal4.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hex_d_hex::dhex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `challenges::chal4::challenge4`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use challenges::chal4::challenge4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex_d_hex::dhex`
[INFO] [stderr]  --> src/challenges/chal4.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hex_d_hex::dhex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `challenges::chal4::challenge4`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use challenges::chal4::challenge4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 |             3 => challenge3(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 |             3 => challenge3(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DECODED`
[INFO] [stderr]  --> src/challenges/chal4.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static DECODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `KEY`
[INFO] [stderr]  --> src/challenges/chal4.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | static KEY: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: static item is never used: `DECODED`
[INFO] [stderr] 
[INFO] [stderr]  --> src/challenges/chal4.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static DECODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ENCODED`
[INFO] [stderr]  --> src/challenges/chal4.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | static ENCODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: static item is never used: `KEY`
[INFO] [stderr]  --> src/challenges/chal4.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | static KEY: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ENCODED`
[INFO] [stderr]  --> src/challenges/chal4.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | static ENCODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge4`
[INFO] [stderr]  --> src/challenges/chal4.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn challenge4() -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "79e3296f7e01ae4bd704fe0ee73aeb15447cd7f88cb0614b086c20fc5dcb4fa8"`
[INFO] running `"docker" "rm" "-f" "79e3296f7e01ae4bd704fe0ee73aeb15447cd7f88cb0614b086c20fc5dcb4fa8"`
[INFO] [stdout] 79e3296f7e01ae4bd704fe0ee73aeb15447cd7f88cb0614b086c20fc5dcb4fa8