[INFO] cloning repository https://github.com/vishal-sys/Rust_Exam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vishal-sys/Rust_Exam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishal-sys%2FRust_Exam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishal-sys%2FRust_Exam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d5717ea2f11dcfed64164e43c1d005c35f2f290
[INFO] checking vishal-sys/Rust_Exam against try#51000a35bc99aeffdc092bf2226ab562eedb9eff for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishal-sys%2FRust_Exam" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vishal-sys/Rust_Exam on toolchain 51000a35bc99aeffdc092bf2226ab562eedb9eff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vishal-sys/Rust_Exam
[INFO] finished tweaking git repo https://github.com/vishal-sys/Rust_Exam
[INFO] tweaked toml for git repo https://github.com/vishal-sys/Rust_Exam written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vishal-sys/Rust_Exam 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" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37741066a37af0d25927ddcb84d6f70b95af09f57a2b35de366df6f8cca5b834
[INFO] running `Command { std: "docker" "start" "-a" "37741066a37af0d25927ddcb84d6f70b95af09f57a2b35de366df6f8cca5b834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37741066a37af0d25927ddcb84d6f70b95af09f57a2b35de366df6f8cca5b834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37741066a37af0d25927ddcb84d6f70b95af09f57a2b35de366df6f8cca5b834", kill_on_drop: false }`
[INFO] [stdout] 37741066a37af0d25927ddcb84d6f70b95af09f57a2b35de366df6f8cca5b834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c75b2610bae39467f2c3b879ab2110828b8de74befc1ab9f1551f7becc802182
[INFO] running `Command { std: "docker" "start" "-a" "c75b2610bae39467f2c3b879ab2110828b8de74befc1ab9f1551f7becc802182", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_assignment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 65 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:90:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 90 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 125 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 150 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 182 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:206:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 206 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:252:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 252 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:281:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 281 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 65 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `is_prime` is defined multiple times
[INFO] [stdout]    --> src/main.rs:290:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn is_prime(n: u64) -> bool {
[INFO] [stdout]     | --------------------------- previous definition of the value `is_prime` here
[INFO] [stdout] ...
[INFO] [stdout] 290 | fn is_prime(n: u32) -> bool {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `is_prime` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `is_prime` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:310:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 310 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:341:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 341 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `merge_sorted_arrays` is defined multiple times
[INFO] [stdout]    --> src/main.rs:353:1
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn merge_sorted_arrays(arr1: &[i32], arr2: &[i32]) -> Vec<i32> {
[INFO] [stdout]     | -------------------------------------------------------------- previous definition of the value `merge_sorted_arrays` here
[INFO] [stdout] ...
[INFO] [stdout] 353 | fn merge_sorted_arrays(arr1: &[i32], arr2: &[i32]) -> Vec<i32> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `merge_sorted_arrays` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `merge_sorted_arrays` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:373:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 373 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:90:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 90 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 125 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 150 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 182 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:206:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 206 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:252:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 252 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:281:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 281 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `is_prime` is defined multiple times
[INFO] [stdout]    --> src/main.rs:290:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn is_prime(n: u64) -> bool {
[INFO] [stdout]     | --------------------------- previous definition of the value `is_prime` here
[INFO] [stdout] ...
[INFO] [stdout] 290 | fn is_prime(n: u32) -> bool {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `is_prime` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `is_prime` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:310:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 310 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:341:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 341 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `merge_sorted_arrays` is defined multiple times
[INFO] [stdout]    --> src/main.rs:353:1
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn merge_sorted_arrays(arr1: &[i32], arr2: &[i32]) -> Vec<i32> {
[INFO] [stdout]     | -------------------------------------------------------------- previous definition of the value `merge_sorted_arrays` here
[INFO] [stdout] ...
[INFO] [stdout] 353 | fn merge_sorted_arrays(arr1: &[i32], arr2: &[i32]) -> Vec<i32> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `merge_sorted_arrays` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `merge_sorted_arrays` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:373:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 373 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_assignment` (bin "rust_assignment" test) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust_assignment` (bin "rust_assignment") due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "c75b2610bae39467f2c3b879ab2110828b8de74befc1ab9f1551f7becc802182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c75b2610bae39467f2c3b879ab2110828b8de74befc1ab9f1551f7becc802182", kill_on_drop: false }`
[INFO] [stdout] c75b2610bae39467f2c3b879ab2110828b8de74befc1ab9f1551f7becc802182