[INFO] cloning repository https://github.com/ThomasZumsteg/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasZumsteg/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasZumsteg%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasZumsteg%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa4c43506b1630c83efe48a99950e9339274644c
[INFO] checking ThomasZumsteg/cryptopals/fa4c43506b1630c83efe48a99950e9339274644c against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasZumsteg%2Fcryptopals" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ThomasZumsteg/cryptopals
[INFO] finished tweaking git repo https://github.com/ThomasZumsteg/cryptopals
[INFO] tweaked toml for git repo https://github.com/ThomasZumsteg/cryptopals written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThomasZumsteg/cryptopals on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ThomasZumsteg/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-2-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `cryptopals`
[INFO] [stderr]   * `bin` target `cryptopals`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.5.1
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded pkg-config v0.3.15
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded getrandom v0.1.9
[INFO] [stderr]   Downloaded wasi v0.5.0
[INFO] [stderr]   Downloaded mime_guess v2.0.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded serde_derive v1.0.98
[INFO] [stderr]   Downloaded openssl-sys v0.9.48
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded backtrace v0.3.34
[INFO] [stderr]   Downloaded miniz_oxide v0.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.11
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded reqwest v0.9.19
[INFO] [stderr]   Downloaded http v0.1.18
[INFO] [stderr]   Downloaded hyper v0.12.33
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded openssl v0.10.24
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded libc v0.2.61
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded openssl-src v111.5.0+1.1.1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69c5af6efbc4829fd0ab63c3ebd3e264004bc6222e03833f9254b2d75065fa64
[INFO] running `Command { std: "docker" "start" "-a" "69c5af6efbc4829fd0ab63c3ebd3e264004bc6222e03833f9254b2d75065fa64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69c5af6efbc4829fd0ab63c3ebd3e264004bc6222e03833f9254b2d75065fa64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c5af6efbc4829fd0ab63c3ebd3e264004bc6222e03833f9254b2d75065fa64", kill_on_drop: false }`
[INFO] [stdout] 69c5af6efbc4829fd0ab63c3ebd3e264004bc6222e03833f9254b2d75065fa64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678b2db1f7ec4f6daa26fa476c471ed56d21b20509deba608b42185c16f39b00
[INFO] running `Command { std: "docker" "start" "-a" "678b2db1f7ec4f6daa26fa476c471ed56d21b20509deba608b42185c16f39b00", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `cryptopals`
[INFO] [stderr]   * `bin` target `cryptopals`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling openssl-src v111.5.0+1.1.1c
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/challenge_1.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bytes` is never constructed
[INFO] [stdout]  --> src/challenge_1.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Bytes(pub Vec<u8>);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/challenge_1.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout]   6 | impl Bytes {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]   7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  25 |     pub fn from_base64(base64: &str) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     pub fn from_str(value: &str) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn decode(&self, Bytes(key): &Bytes) -> Bytes {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     pub fn find_key_of_size(&self, key_size: usize) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     fn blocks(&self, size: usize) -> Vec<Bytes> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn score(&self) -> isize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn decode_block(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn hamming_distance(&self, Bytes(other): &Bytes) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn guess_key_sizes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/challenge_1.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_base8` and `from_str` are never used
[INFO] [stdout]   --> src/challenge_1.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Bytes {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout]  7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn from_str(value: &str) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/challenge_1.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/challenge_1.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/challenge_1.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout]   6 | impl Bytes {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]   7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     pub fn find_key_of_size(&self, key_size: usize) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     fn blocks(&self, size: usize) -> Vec<Bytes> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn score(&self) -> isize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn decode_block(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn hamming_distance(&self, Bytes(other): &Bytes) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn guess_key_sizes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0'...'9' => chr as u8 - '0' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 'a'...'f' => chr as u8 - 'a' as u8 + 10,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'A'...'Z' => chr as u8 - 'A' as u8,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 'a'...'z' => chr as u8 - 'a' as u8 + 26,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 '0'...'9' => chr as u8 - '0' as u8 + 52,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/challenge_1.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 'a'...'z' | 'A'...'Z' | ' ' => 1, 
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/challenge_1.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `cryptopals`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod challenge_1;
[INFO] [stdout]   |                 ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptopals` (bin "cryptopals") due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/challenge_1.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout]   6 | impl Bytes {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]   7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn decode(&self, Bytes(key): &Bytes) -> Bytes {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     pub fn find_key_of_size(&self, key_size: usize) -> Bytes {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     fn blocks(&self, size: usize) -> Vec<Bytes> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn score(&self) -> isize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn decode_block(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn hamming_distance(&self, Bytes(other): &Bytes) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn guess_key_sizes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "678b2db1f7ec4f6daa26fa476c471ed56d21b20509deba608b42185c16f39b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678b2db1f7ec4f6daa26fa476c471ed56d21b20509deba608b42185c16f39b00", kill_on_drop: false }`
[INFO] [stdout] 678b2db1f7ec4f6daa26fa476c471ed56d21b20509deba608b42185c16f39b00
