[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 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasZumsteg%2Fcryptopals" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThomasZumsteg/cryptopals on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ThomasZumsteg/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-7/source/src/main.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 524373882a4c3e9a403665771e54d17519d01ef92184b89d8ca989cb41e9ec4a
[INFO] running `Command { std: "docker" "start" "-a" "524373882a4c3e9a403665771e54d17519d01ef92184b89d8ca989cb41e9ec4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "524373882a4c3e9a403665771e54d17519d01ef92184b89d8ca989cb41e9ec4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524373882a4c3e9a403665771e54d17519d01ef92184b89d8ca989cb41e9ec4a", kill_on_drop: false }`
[INFO] [stdout] 524373882a4c3e9a403665771e54d17519d01ef92184b89d8ca989cb41e9ec4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6498a5c91c162301d3a9e270990b92ba3e811fb78546803bdafdd63e5f662aed
[INFO] running `Command { std: "docker" "start" "-a" "6498a5c91c162301d3a9e270990b92ba3e811fb78546803bdafdd63e5f662aed", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling libc v0.2.61
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
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[INFO] [stderr]     Checking tokio-io v0.1.12
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[INFO] [stderr]     Checking regex v1.2.1
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[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[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
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[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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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)]` 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] warning: associated function is never used: `from_base8`
[INFO] [stdout]  --> src/challenge_1.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_base64`
[INFO] [stdout]   --> src/challenge_1.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn from_base64(base64: &str) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> src/challenge_1.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn from_str(value: &str) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> src/challenge_1.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn decode(&self, Bytes(key): &Bytes) -> Bytes {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_key_of_size`
[INFO] [stdout]   --> src/challenge_1.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn find_key_of_size(&self, key_size: usize) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blocks`
[INFO] [stdout]   --> src/challenge_1.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn blocks(&self, size: usize) -> Vec<Bytes> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> src/challenge_1.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn score(&self) -> isize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_block`
[INFO] [stdout]   --> src/challenge_1.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn decode_block(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hamming_distance`
[INFO] [stdout]    --> src/challenge_1.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn hamming_distance(&self, Bytes(other): &Bytes) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `guess_key_sizes`
[INFO] [stdout]    --> src/challenge_1.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn guess_key_sizes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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)]` 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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)]` 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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)]` 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `cryptopals`
[INFO] [stdout]  --> src/main.rs:1:1
[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] 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_base8`
[INFO] [stdout]  --> src/challenge_1.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_key_of_size`
[INFO] [stdout]   --> src/challenge_1.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn find_key_of_size(&self, key_size: usize) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blocks`
[INFO] [stdout]   --> src/challenge_1.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn blocks(&self, size: usize) -> Vec<Bytes> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> src/challenge_1.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn score(&self) -> isize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_block`
[INFO] [stdout]   --> src/challenge_1.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn decode_block(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hamming_distance`
[INFO] [stdout]    --> src/challenge_1.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn hamming_distance(&self, Bytes(other): &Bytes) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `guess_key_sizes`
[INFO] [stdout]    --> src/challenge_1.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn guess_key_sizes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_base8`
[INFO] [stdout]  --> src/challenge_1.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> src/challenge_1.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn from_str(value: &str) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_base8`
[INFO] [stdout]  --> src/challenge_1.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn from_base8(base8: &str) -> Bytes {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> src/challenge_1.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn decode(&self, Bytes(key): &Bytes) -> Bytes {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_key_of_size`
[INFO] [stdout]   --> src/challenge_1.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn find_key_of_size(&self, key_size: usize) -> Bytes {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blocks`
[INFO] [stdout]   --> src/challenge_1.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn blocks(&self, size: usize) -> Vec<Bytes> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> src/challenge_1.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn score(&self) -> isize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_block`
[INFO] [stdout]   --> src/challenge_1.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn decode_block(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hamming_distance`
[INFO] [stdout]    --> src/challenge_1.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn hamming_distance(&self, Bytes(other): &Bytes) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `guess_key_sizes`
[INFO] [stdout]    --> src/challenge_1.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn guess_key_sizes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6498a5c91c162301d3a9e270990b92ba3e811fb78546803bdafdd63e5f662aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6498a5c91c162301d3a9e270990b92ba3e811fb78546803bdafdd63e5f662aed", kill_on_drop: false }`
[INFO] [stdout] 6498a5c91c162301d3a9e270990b92ba3e811fb78546803bdafdd63e5f662aed