[INFO] cloning repository https://github.com/tibor-reiss/codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tibor-reiss/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibor-reiss%2Fcodewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibor-reiss%2Fcodewars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8207d16a172ebbf85173397763c50b91ab100ab
[INFO] checking tibor-reiss/codewars against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibor-reiss%2Fcodewars" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tibor-reiss/codewars
[INFO] finished tweaking git repo https://github.com/tibor-reiss/codewars
[INFO] tweaked toml for git repo https://github.com/tibor-reiss/codewars written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tibor-reiss/codewars on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tibor-reiss/codewars 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e63f775586581d8b298194bf65b30687eeb31414fd786adfd252c910f84c401
[INFO] running `Command { std: "docker" "start" "-a" "6e63f775586581d8b298194bf65b30687eeb31414fd786adfd252c910f84c401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e63f775586581d8b298194bf65b30687eeb31414fd786adfd252c910f84c401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e63f775586581d8b298194bf65b30687eeb31414fd786adfd252c910f84c401", kill_on_drop: false }`
[INFO] [stdout] 6e63f775586581d8b298194bf65b30687eeb31414fd786adfd252c910f84c401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b952650770b179cb63c795bd198ed890e65ec55306bc2688e26eac7f5c39e11
[INFO] running `Command { std: "docker" "start" "-a" "1b952650770b179cb63c795bd198ed890e65ec55306bc2688e26eac7f5c39e11", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking float_eq v1.0.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::salesman_travel::travel`
[INFO] [stdout]  --> src/kyu6/salesman_travel/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::salesman_travel::travel;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::salesman_travel::travel`
[INFO] [stdout]  --> src/kyu6/salesman_travel/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::salesman_travel::travel;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Address` is never constructed
[INFO] [stdout]  --> src/kyu6/salesman_travel/salesman_travel.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Address {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `travel` is never used
[INFO] [stdout]  --> src/kyu6/salesman_travel/salesman_travel.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn travel(r: &str, zipcode:&str) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NoHistory` is never constructed
[INFO] [stdout]  --> src/kyu6/versions_manager/versions_manager.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum VMError {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] 3 |     InvalidVersion, // for the `from_version` function
[INFO] [stdout] 4 |     NoHistory,      // for the `rollback` method
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VMError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `minor`, `patch`, and `rollback` are never used
[INFO] [stdout]   --> src/kyu6/versions_manager/versions_manager.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl VersionManager {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn minor(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn patch(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn rollback(&mut self) -> Result<&mut Self, VMError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AnnJohn` is never constructed
[INFO] [stdout]  --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct AnnJohn {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl AnnJohn {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 9 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `john` is never used
[INFO] [stdout]   --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn john(n: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ann` is never used
[INFO] [stdout]   --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn ann(n: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_john` is never used
[INFO] [stdout]   --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn sum_john(n: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_ann` is never used
[INFO] [stdout]   --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn sum_ann(n: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all` is never used
[INFO] [stdout]   --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn all(n: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proper_fractions` is never used
[INFO] [stdout]  --> src/kyu4/number_of_total_fractions_with_denomitor_d/number_of_total_fractions_with_denomitor_d.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn proper_fractions(n: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorized` is never used
[INFO] [stdout]   --> src/kyu4/number_of_total_fractions_with_denomitor_d/number_of_total_fractions_with_denomitor_d.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn factorized(n: u64) -> Vec<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sq_cub_rev_prime` is never used
[INFO] [stdout]  --> src/kyu4/square_and_cube_of_a_number_become_prime_when_reversed/square_and_cube_of_a_number_become_prime_when_reversed.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sq_cub_rev_prime(n: u32) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> src/kyu4/square_and_cube_of_a_number_become_prime_when_reversed/square_and_cube_of_a_number_become_prime_when_reversed.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn is_prime(n: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing` is never used
[INFO] [stdout]   --> src/kyu4/square_into_square_protect_trees/square_into_square_protect_trees.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn testing(n: i64, exp: Option<Vec<i64>>) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rect` is never constructed
[INFO] [stdout]  --> src/kyu3/total_area_covered_by_rectangles/total_area_covered_by_rectangles.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Rect {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]   --> src/kyu3/total_area_covered_by_rectangles/total_area_covered_by_rectangles.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn calculate(rectangles: &[[i32; 4]]) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_total_area` is never used
[INFO] [stdout]   --> src/kyu3/total_area_covered_by_rectangles/total_area_covered_by_rectangles.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn get_total_area(x0: i64, x1: i64, rectangles: &HashSet<Rect>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all` is never used
[INFO] [stdout]   --> src/kyu5/john_and_ann_signup_for_codewars/john_and_ann_signup_for_codewars.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn all(n: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "1b952650770b179cb63c795bd198ed890e65ec55306bc2688e26eac7f5c39e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b952650770b179cb63c795bd198ed890e65ec55306bc2688e26eac7f5c39e11", kill_on_drop: false }`
[INFO] [stdout] 1b952650770b179cb63c795bd198ed890e65ec55306bc2688e26eac7f5c39e11