[INFO] cloning repository https://github.com/itsyaasir/crypt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsyaasir/crypt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsyaasir%2Fcrypt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsyaasir%2Fcrypt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34e52563ddbbfcca872fd9d3502b5d646cc5f206 [INFO] checking itsyaasir/crypt against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsyaasir%2Fcrypt" "/workspace/builds/worker-97/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/itsyaasir/crypt on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/itsyaasir/crypt [INFO] finished tweaking git repo https://github.com/itsyaasir/crypt [INFO] tweaked toml for git repo https://github.com/itsyaasir/crypt written to /workspace/builds/worker-97/source/Cargo.toml [INFO] crate git repo https://github.com/itsyaasir/crypt already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18b10d8b79c447a5e81ef69653a2976545b65e5cd92f90fe69d9f0ca72308270 [INFO] running `Command { std: "docker" "start" "-a" "18b10d8b79c447a5e81ef69653a2976545b65e5cd92f90fe69d9f0ca72308270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18b10d8b79c447a5e81ef69653a2976545b65e5cd92f90fe69d9f0ca72308270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18b10d8b79c447a5e81ef69653a2976545b65e5cd92f90fe69d9f0ca72308270", kill_on_drop: false }` [INFO] [stdout] 18b10d8b79c447a5e81ef69653a2976545b65e5cd92f90fe69d9f0ca72308270 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29fcc1fb228eea9343df0ee00aa73abf0c4e3f268c95621c5dfa6b579b1ba04f [INFO] running `Command { std: "docker" "start" "-a" "29fcc1fb228eea9343df0ee00aa73abf0c4e3f268c95621c5dfa6b579b1ba04f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking crypt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key_index` [INFO] [stdout] --> src/vigenere.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let key_index = key_index + 1; // increment key_index [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_index` [INFO] [stdout] --> src/vigenere.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let key_index = key_index + 1; // increment key_index [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vigenere.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut key_index = 0; // key_index [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vigenere.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut key_index = 0; // key_index [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `monoalphabetic_encrypt` [INFO] [stdout] --> src/monoalphabetic.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn monoalphabetic_encrypt(plaintext: &str, key: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `monoalphabetic_decrypt` [INFO] [stdout] --> src/monoalphabetic.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn monoalphabetic_decrypt(ciphertext: &str, key: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Caesar` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Caesar(u8), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_index` [INFO] [stdout] --> src/vigenere.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let key_index = key_index + 1; // increment key_index [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_index` [INFO] [stdout] --> src/vigenere.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let key_index = key_index + 1; // increment key_index [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vigenere.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut key_index = 0; // key_index [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vigenere.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut key_index = 0; // key_index [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `monoalphabetic_encrypt` [INFO] [stdout] --> src/monoalphabetic.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn monoalphabetic_encrypt(plaintext: &str, key: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `monoalphabetic_decrypt` [INFO] [stdout] --> src/monoalphabetic.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn monoalphabetic_decrypt(ciphertext: &str, key: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Caesar` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Caesar(u8), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "29fcc1fb228eea9343df0ee00aa73abf0c4e3f268c95621c5dfa6b579b1ba04f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29fcc1fb228eea9343df0ee00aa73abf0c4e3f268c95621c5dfa6b579b1ba04f", kill_on_drop: false }` [INFO] [stdout] 29fcc1fb228eea9343df0ee00aa73abf0c4e3f268c95621c5dfa6b579b1ba04f