[INFO] cloning repository https://github.com/iadityanath8/Rust_Intern_questions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iadityanath8/Rust_Intern_questions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRust_Intern_questions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRust_Intern_questions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a84b6fdb3b81394bbb864ef8619f4245aa0d3783
[INFO] testing iadityanath8/Rust_Intern_questions against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRust_Intern_questions" "/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/iadityanath8/Rust_Intern_questions
[INFO] finished tweaking git repo https://github.com/iadityanath8/Rust_Intern_questions
[INFO] tweaked toml for git repo https://github.com/iadityanath8/Rust_Intern_questions written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iadityanath8/Rust_Intern_questions on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iadityanath8/Rust_Intern_questions 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3
[INFO] running `Command { std: "docker" "start" "60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_assignment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `max_size` in this scope
[INFO] [stdout]   --> src/main.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |         if i.len() < max_size{
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 74 -         if i.len() < max_size{
[INFO] [stdout] 74 +         if i.len() < min_size{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut min_size = i32::MAX;
[INFO] [stdout]    |                        -------- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 75 |             min_size = i.len();
[INFO] [stdout]    |                        ^^^^^^^ expected `i32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn shortest_word(a:String) -> usize{
[INFO] [stdout]    |                               ----- expected `usize` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 79 |     min_size
[INFO] [stdout]    |     ^^^^^^^^ expected `usize`, found `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert an `i32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]    |
[INFO] [stdout] 79 |     min_size.try_into().unwrap()
[INFO] [stdout]    |             ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:121:26
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn longest_common_prefix(mut a:Vec<String>) -> String{
[INFO] [stdout]     |                          ----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:198:25
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn merge_sorted_vectors(mut arr1: Vec<i32>, mut arr2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:198:45
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn merge_sorted_vectors(mut arr1: Vec<i32>, mut arr2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]     |                                             ----^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_assignment` (bin "rust_assignment") due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3", kill_on_drop: false }`
[INFO] [stdout] 60469c72e65e208ca6e3b20a50c4ad31256c2aeed4066fec315e0e4f18fc0cc3
