[INFO] cloning repository https://github.com/hn275/vigenere-cryptanalysis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hn275/vigenere-cryptanalysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhn275%2Fvigenere-cryptanalysis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhn275%2Fvigenere-cryptanalysis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b33e0f8277979db958c2ac15f0f222bce6e7a8d
[INFO] checking hn275/vigenere-cryptanalysis against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhn275%2Fvigenere-cryptanalysis" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hn275/vigenere-cryptanalysis
[INFO] finished tweaking git repo https://github.com/hn275/vigenere-cryptanalysis
[INFO] tweaked toml for git repo https://github.com/hn275/vigenere-cryptanalysis written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hn275/vigenere-cryptanalysis on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hn275/vigenere-cryptanalysis 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0630740addbc03f764d966abeec2e75a34ae221f6f25a820ad059cce187b42a8
[INFO] running `Command { std: "docker" "start" "-a" "0630740addbc03f764d966abeec2e75a34ae221f6f25a820ad059cce187b42a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0630740addbc03f764d966abeec2e75a34ae221f6f25a820ad059cce187b42a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0630740addbc03f764d966abeec2e75a34ae221f6f25a820ad059cce187b42a8", kill_on_drop: false }`
[INFO] [stdout] 0630740addbc03f764d966abeec2e75a34ae221f6f25a820ad059cce187b42a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864a4621afc441bca6834912947714d2652e9544f4faed16726d3dd79cc03d6c
[INFO] running `Command { std: "docker" "start" "-a" "864a4621afc441bca6834912947714d2652e9544f4faed16726d3dd79cc03d6c", kill_on_drop: false }`
[INFO] [stderr]     Checking vigenere-cryptanalysis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/main.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn decrypt_ioc(key: &Vec<usize>) -> f64 {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn encrypt(plaintext: char, key: usize, block_index: usize) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/main.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn decrypt_ioc(key: &Vec<usize>) -> f64 {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn encrypt(plaintext: char, key: usize, block_index: usize) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "864a4621afc441bca6834912947714d2652e9544f4faed16726d3dd79cc03d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864a4621afc441bca6834912947714d2652e9544f4faed16726d3dd79cc03d6c", kill_on_drop: false }`
[INFO] [stdout] 864a4621afc441bca6834912947714d2652e9544f4faed16726d3dd79cc03d6c