[INFO] cloning repository https://github.com/anontyro/rust-exercises-57
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anontyro/rust-exercises-57" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanontyro%2Frust-exercises-57", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanontyro%2Frust-exercises-57'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80f81f75167e8613e1f01086a6c471b5be471d7d
[INFO] checking anontyro/rust-exercises-57 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanontyro%2Frust-exercises-57" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anontyro/rust-exercises-57 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anontyro/rust-exercises-57
[INFO] finished tweaking git repo https://github.com/anontyro/rust-exercises-57
[INFO] tweaked toml for git repo https://github.com/anontyro/rust-exercises-57 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/anontyro/rust-exercises-57 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] d9503f32d88db53a055ad15b62e2b4cdb55da0e4c096e0c759981f07950a1f51
[INFO] running `Command { std: "docker" "start" "-a" "d9503f32d88db53a055ad15b62e2b4cdb55da0e4c096e0c759981f07950a1f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9503f32d88db53a055ad15b62e2b4cdb55da0e4c096e0c759981f07950a1f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9503f32d88db53a055ad15b62e2b4cdb55da0e4c096e0c759981f07950a1f51", kill_on_drop: false }`
[INFO] [stdout] d9503f32d88db53a055ad15b62e2b4cdb55da0e4c096e0c759981f07950a1f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c64f138693e1ce8c010d5270f833de39f71a3705044f6c99259d9df40713a03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c64f138693e1ce8c010d5270f833de39f71a3705044f6c99259d9df40713a03", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `decrypt_string_base64`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     decrypt_string_base64, encrypt_string_base64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decrypt_string_base64`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     decrypt_string_base64, encrypt_string_base64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_values`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let user_values = get_user_data();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_values`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_values`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let user_values = get_user_data();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_values`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `username`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     password: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `username`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/exercises/./fifteen/password_validation.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     password: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "9c64f138693e1ce8c010d5270f833de39f71a3705044f6c99259d9df40713a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c64f138693e1ce8c010d5270f833de39f71a3705044f6c99259d9df40713a03", kill_on_drop: false }`
[INFO] [stdout] 9c64f138693e1ce8c010d5270f833de39f71a3705044f6c99259d9df40713a03