[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] building iadityanath8/Rust_Intern_questions against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiadityanath8%2FRust_Intern_questions" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iadityanath8/Rust_Intern_questions on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5-tc2/source/Cargo.toml [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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88bbc93653bac314487e3d3f7695ce950a0777fb35700a233204a81e80fe9018 [INFO] running `Command { std: "docker" "start" "-a" "88bbc93653bac314487e3d3f7695ce950a0777fb35700a233204a81e80fe9018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88bbc93653bac314487e3d3f7695ce950a0777fb35700a233204a81e80fe9018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88bbc93653bac314487e3d3f7695ce950a0777fb35700a233204a81e80fe9018", kill_on_drop: false }` [INFO] [stdout] 88bbc93653bac314487e3d3f7695ce950a0777fb35700a233204a81e80fe9018 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c388c8256f8a029c307751985549023b48d159a754be2ab54626d941c995c17 [INFO] running `Command { std: "docker" "start" "-a" "2c388c8256f8a029c307751985549023b48d159a754be2ab54626d941c995c17", 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] | ^^^^^^^^ help: a local variable with a similar name exists: `min_size` [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{ [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/main.rs:198:25 [INFO] [stdout] | [INFO] [stdout] 198 | fn merge_sorted_vectors(mut arr1: Vec, mut arr2: Vec) -> Vec { [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, mut arr2: Vec) -> Vec { [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" "2c388c8256f8a029c307751985549023b48d159a754be2ab54626d941c995c17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c388c8256f8a029c307751985549023b48d159a754be2ab54626d941c995c17", kill_on_drop: false }` [INFO] [stdout] 2c388c8256f8a029c307751985549023b48d159a754be2ab54626d941c995c17