[INFO] cloning repository https://github.com/rizama/rust-101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rizama/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frizama%2Frust-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frizama%2Frust-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ddc271aa2a0f4cf0f0535f0ca202ffb5e4069e4
[INFO] testing rizama/rust-101 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frizama%2Frust-101" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rizama/rust-101
[INFO] finished tweaking git repo https://github.com/rizama/rust-101
[INFO] tweaked toml for git repo https://github.com/rizama/rust-101 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rizama/rust-101 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rizama/rust-101 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 536354ede796dd43201d98d2773eae645ec6e033596f57f7c9bb4cb9a4614861
[INFO] running `Command { std: "docker" "start" "-a" "536354ede796dd43201d98d2773eae645ec6e033596f57f7c9bb4cb9a4614861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536354ede796dd43201d98d2773eae645ec6e033596f57f7c9bb4cb9a4614861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536354ede796dd43201d98d2773eae645ec6e033596f57f7c9bb4cb9a4614861", kill_on_drop: false }`
[INFO] [stdout] 536354ede796dd43201d98d2773eae645ec6e033596f57f7c9bb4cb9a4614861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2421cadfdf108ec03ef17916faa05307a0179a4dca515bced9571635d0512c01
[INFO] running `Command { std: "docker" "start" "-a" "2421cadfdf108ec03ef17916faa05307a0179a4dca515bced9571635d0512c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `module_a::User`
[INFO] [stdout]     --> src/main.rs:1115:5
[INFO] [stdout]      |
[INFO] [stdout] 1115 | use module_a::User;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first::say_hello`
[INFO] [stdout]     --> src/main.rs:1140:5
[INFO] [stdout]      |
[INFO] [stdout] 1140 | use first::say_hello;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second::say_hello as second_say_hello`
[INFO] [stdout]     --> src/main.rs:1141:5
[INFO] [stdout]      |
[INFO] [stdout] 1141 | use second::say_hello as second_say_hello;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fourth::say_hello as fourth_say_hello`
[INFO] [stdout]     --> src/main.rs:1162:5
[INFO] [stdout]      |
[INFO] [stdout] 1162 | use fourth::say_hello as fourth_say_hello;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `say_hello as third_say_hello` and `seconds::thirds::say_hello as third_say_hello2`
[INFO] [stdout]     --> src/main.rs:1163:13
[INFO] [stdout]      |
[INFO] [stdout] 1163 | use third::{say_hello as third_say_hello, seconds::thirds::say_hello as third_say_hello2};
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashMap`, `HashSet`, `LinkedList`, and `VecDeque`
[INFO] [stdout]     --> src/main.rs:1590:24
[INFO] [stdout]      |
[INFO] [stdout] 1590 | use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]      |                        ^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `result`, `string`, and `vec`
[INFO] [stdout]     --> src/main.rs:1592:11
[INFO] [stdout]      |
[INFO] [stdout] 1592 | use std::{result, string, vec};
[INFO] [stdout]      |           ^^^^^^  ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]     --> src/main.rs:1747:16
[INFO] [stdout]      |
[INFO] [stdout] 1747 | use std::fmt::{Display, Formatter};
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]     --> src/main.rs:2550:26
[INFO] [stdout]      |
[INFO] [stdout] 2550 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]      |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]     --> src/main.rs:2604:14
[INFO] [stdout]      |
[INFO] [stdout] 2604 | macro_rules! hi {
[INFO] [stdout]      |              ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iterate`
[INFO] [stdout]     --> src/main.rs:2630:14
[INFO] [stdout]      |
[INFO] [stdout] 2630 | macro_rules! iterate {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_` is never used
[INFO] [stdout]    --> src/main.rs:516:4
[INFO] [stdout]     |
[INFO] [stdout] 516 | fn say_hello_() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_to` is never used
[INFO] [stdout]    --> src/main.rs:520:4
[INFO] [stdout]     |
[INFO] [stdout] 520 | fn say_hello_to(name: &str, age: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]    --> src/main.rs:524:4
[INFO] [stdout]     |
[INFO] [stdout] 524 | fn sum(a: i32, b: i32) -> i32 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:529:4
[INFO] [stdout]     |
[INFO] [stdout] 529 | fn factorial_loop(n: i64) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]    --> src/main.rs:545:4
[INFO] [stdout]     |
[INFO] [stdout] 545 | fn print_text(value: String, times: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recursive_factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:555:4
[INFO] [stdout]     |
[INFO] [stdout] 555 | fn recursive_factorial_loop(n: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:573:4
[INFO] [stdout]     |
[INFO] [stdout] 573 | fn print_number(n: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]    --> src/main.rs:577:4
[INFO] [stdout]     |
[INFO] [stdout] 577 | fn hi(name: String) {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name` is never used
[INFO] [stdout]    --> src/main.rs:581:4
[INFO] [stdout]     |
[INFO] [stdout] 581 | fn full_name(first_name: String, last_name: String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name_bring_back_ownership` is never used
[INFO] [stdout]    --> src/main.rs:589:4
[INFO] [stdout]     |
[INFO] [stdout] 589 | fn full_name_bring_back_ownership(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name_with_reference` is never used
[INFO] [stdout]    --> src/main.rs:632:4
[INFO] [stdout]     |
[INFO] [stdout] 632 | fn full_name_with_reference(first_name: &mut String, last_name: &String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dangle` is never used
[INFO] [stdout]    --> src/main.rs:694:4
[INFO] [stdout]     |
[INFO] [stdout] 694 | fn dangle() -> String {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:730:8
[INFO] [stdout]     |
[INFO] [stdout] 730 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_person` is never used
[INFO] [stdout]    --> src/main.rs:737:4
[INFO] [stdout]     |
[INFO] [stdout] 737 | fn print_person(person: &Person) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]    --> src/main.rs:840:8
[INFO] [stdout]     |
[INFO] [stdout] 840 | struct Rectangle {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `area` and `print_name_shape` are never used
[INFO] [stdout]    --> src/main.rs:851:8
[INFO] [stdout]     |
[INFO] [stdout] 845 | impl Rectangle {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 851 |     fn area(&self) -> u32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 855 |     fn print_name_shape(&self, name: &String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GeoPoint` is never constructed
[INFO] [stdout]    --> src/main.rs:882:8
[INFO] [stdout]     |
[INFO] [stdout] 882 | struct GeoPoint(f64, f64);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `baru` is never used
[INFO] [stdout]    --> src/main.rs:885:8
[INFO] [stdout]     |
[INFO] [stdout] 884 | impl GeoPoint {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 885 |     fn baru(lat: f64, long: f64) -> GeoPoint {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:900:6
[INFO] [stdout]     |
[INFO] [stdout] 900 | enum Level {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:916:6
[INFO] [stdout]     |
[INFO] [stdout] 916 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:945:8
[INFO] [stdout]     |
[INFO] [stdout] 944 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 945 |     fn pay(&self, amount: u32) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `paying` is never used
[INFO] [stdout]    --> src/main.rs:975:8
[INFO] [stdout]     |
[INFO] [stdout] 974 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 975 |     fn paying(&self, number: u32) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Age` is never used
[INFO] [stdout]     --> src/main.rs:1090:6
[INFO] [stdout]      |
[INFO] [stdout] 1090 | type Age = u8;
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayHello` is never used
[INFO] [stdout]     --> src/main.rs:1176:7
[INFO] [stdout]      |
[INFO] [stdout] 1176 | trait CanSayHello {
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_trait` is never used
[INFO] [stdout]     --> src/main.rs:1201:4
[INFO] [stdout]      |
[INFO] [stdout] 1201 | fn say_hello_trait(value: &impl CanSayHello) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayGoodbye` is never used
[INFO] [stdout]     --> src/main.rs:1222:7
[INFO] [stdout]      |
[INFO] [stdout] 1222 | trait CanSayGoodbye {
[INFO] [stdout]      |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_and_goodbye` is never used
[INFO] [stdout]     --> src/main.rs:1240:4
[INFO] [stdout]      |
[INFO] [stdout] 1240 | fn hello_and_goodbye(value: &(impl CanSayHello + CanSayGoodbye)) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimplePerson` is never constructed
[INFO] [stdout]     --> src/main.rs:1260:8
[INFO] [stdout]      |
[INFO] [stdout] 1260 | struct SimplePerson {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_person` is never used
[INFO] [stdout]     --> src/main.rs:1290:4
[INFO] [stdout]      |
[INFO] [stdout] 1290 | fn create_person(name: String) -> impl CanSayGoodbye + CanSayHello {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person2` is never constructed
[INFO] [stdout]     --> src/main.rs:1302:8
[INFO] [stdout]      |
[INFO] [stdout] 1302 | struct Person2 {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]     --> src/main.rs:1311:8
[INFO] [stdout]      |
[INFO] [stdout] 1310 | impl Person2 {
[INFO] [stdout]      | ------------ method in this implementation
[INFO] [stdout] 1311 |     fn say_hello(&self, name: &str) {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SuperTrait` is never used
[INFO] [stdout]     --> src/main.rs:1353:7
[INFO] [stdout]      |
[INFO] [stdout] 1353 | trait SuperTrait: CanSayHello + CanSayGoodbye {
[INFO] [stdout]      |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SuperPerson` is never constructed
[INFO] [stdout]     --> src/main.rs:1364:8
[INFO] [stdout]      |
[INFO] [stdout] 1364 | struct SuperPerson {
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]     --> src/main.rs:1418:8
[INFO] [stdout]      |
[INFO] [stdout] 1418 | struct Point<T> {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hi` is never constructed
[INFO] [stdout]     --> src/main.rs:1462:8
[INFO] [stdout]      |
[INFO] [stdout] 1462 | struct Hi<T: CanSayGoodbye> {
[INFO] [stdout]      |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]     --> src/main.rs:1479:4
[INFO] [stdout]      |
[INFO] [stdout] 1479 | fn min<T: PartialOrd>(a: T, b: T) -> T {
[INFO] [stdout]      |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewPoint` is never constructed
[INFO] [stdout]     --> src/main.rs:1497:8
[INFO] [stdout]      |
[INFO] [stdout] 1497 | struct NewPoint<T> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_x` and `get_y` are never used
[INFO] [stdout]     --> src/main.rs:1503:8
[INFO] [stdout]      |
[INFO] [stdout] 1502 | impl<T> NewPoint<T> {
[INFO] [stdout]      | ------------------- methods in this implementation
[INFO] [stdout] 1503 |     fn get_x(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1507 |     fn get_y(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetValue` is never used
[INFO] [stdout]     --> src/main.rs:1525:7
[INFO] [stdout]      |
[INFO] [stdout] 1525 | trait GetValue<T> {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NewGetValue` is never used
[INFO] [stdout]     --> src/main.rs:1544:7
[INFO] [stdout]      |
[INFO] [stdout] 1544 | trait NewGetValue<T>
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HiWithWhere` is never constructed
[INFO] [stdout]     --> src/main.rs:1561:8
[INFO] [stdout]      |
[INFO] [stdout] 1561 | struct HiWithWhere<T>
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DefaultGenericType` is never constructed
[INFO] [stdout]     --> src/main.rs:1572:8
[INFO] [stdout]      |
[INFO] [stdout] 1572 | struct DefaultGenericType<T = i32> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]     --> src/main.rs:1622:4
[INFO] [stdout]      |
[INFO] [stdout] 1622 | fn double(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]      |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Category` is never constructed
[INFO] [stdout]     --> src/main.rs:1742:8
[INFO] [stdout]      |
[INFO] [stdout] 1742 | struct Category {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_with_filter` is never used
[INFO] [stdout]     --> src/main.rs:1771:4
[INFO] [stdout]      |
[INFO] [stdout] 1771 | fn print_with_filter(value: String, f: fn(String) -> String) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_uppercase` is never used
[INFO] [stdout]     --> src/main.rs:1785:4
[INFO] [stdout]      |
[INFO] [stdout] 1785 | fn my_uppercase(value: String) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]     --> src/main.rs:1817:8
[INFO] [stdout]      |
[INFO] [stdout] 1817 | struct Counter {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `increment` is never used
[INFO] [stdout]     --> src/main.rs:1822:8
[INFO] [stdout]      |
[INFO] [stdout] 1821 | impl Counter {
[INFO] [stdout]      | ------------ method in this implementation
[INFO] [stdout] 1822 |     fn increment(&mut self) {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_database` is never used
[INFO] [stdout]     --> src/main.rs:2090:4
[INFO] [stdout]      |
[INFO] [stdout] 2090 | fn connect_database(host: Option<String>) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_cache` is never used
[INFO] [stdout]     --> src/main.rs:2113:4
[INFO] [stdout]      |
[INFO] [stdout] 2113 | fn connect_cache(host: Option<String>) -> Result<String, String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_email` is never used
[INFO] [stdout]     --> src/main.rs:2137:4
[INFO] [stdout]      |
[INFO] [stdout] 2137 | fn connect_email(host: Option<String>) -> Result<String, String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_application` is never used
[INFO] [stdout]     --> src/main.rs:2144:4
[INFO] [stdout]      |
[INFO] [stdout] 2144 | fn connect_application(host: Option<String>) -> Result<String, String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]     --> src/main.rs:2214:4
[INFO] [stdout]      |
[INFO] [stdout] 2214 | fn longest<'a>(value1: &'a str, value2: &'a str) -> &'a str {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]     --> src/main.rs:2265:8
[INFO] [stdout]      |
[INFO] [stdout] 2265 | struct Student<'a, 'b, 'c> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_student_name` is never used
[INFO] [stdout]     --> src/main.rs:2271:4
[INFO] [stdout]      |
[INFO] [stdout] 2271 | fn longest_student_name<'a, 'b, 'c>(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `full_name` and `longest_name` are never used
[INFO] [stdout]     --> src/main.rs:2284:8
[INFO] [stdout]      |
[INFO] [stdout] 2283 | impl<'a, 'b, 'c> Student<'a, 'b, 'c> {
[INFO] [stdout]      | ------------------------------------ methods in this implementation
[INFO] [stdout] 2284 |     fn full_name(&'a self) -> String {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2291 |     fn longest_name(&self, student: &Student<'a, 'b, 'c>) -> &'a str {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Teacher` is never constructed
[INFO] [stdout]     --> src/main.rs:2320:8
[INFO] [stdout]      |
[INFO] [stdout] 2320 | struct Teacher<'a, T>
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]     --> src/main.rs:2349:8
[INFO] [stdout]      |
[INFO] [stdout] 2349 | struct Company {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_box` is never used
[INFO] [stdout]     --> src/main.rs:2402:4
[INFO] [stdout]      |
[INFO] [stdout] 2402 | fn display_box(value: i32) {
[INFO] [stdout]      |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_box_reference` is never used
[INFO] [stdout]     --> src/main.rs:2406:4
[INFO] [stdout]      |
[INFO] [stdout] 2406 | fn display_box_reference(value: &i32) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProductCategory` is never used
[INFO] [stdout]     --> src/main.rs:2411:6
[INFO] [stdout]      |
[INFO] [stdout] 2411 | enum ProductCategory {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyValue` is never constructed
[INFO] [stdout]     --> src/main.rs:2448:8
[INFO] [stdout]      |
[INFO] [stdout] 2448 | struct MyValue<T> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_reference` is never used
[INFO] [stdout]     --> src/main.rs:2471:4
[INFO] [stdout]      |
[INFO] [stdout] 2471 | fn say_hello_reference(name: &String) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]     --> src/main.rs:2489:8
[INFO] [stdout]      |
[INFO] [stdout] 2489 | struct Book {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brand` is never used
[INFO] [stdout]     --> src/main.rs:2517:6
[INFO] [stdout]      |
[INFO] [stdout] 2517 | enum Brand {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seller` is never constructed
[INFO] [stdout]     --> src/main.rs:2553:8
[INFO] [stdout]      |
[INFO] [stdout] 2553 | struct Seller {
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MAX_POINTS` is never used
[INFO] [stdout]     --> src/main.rs:2580:8
[INFO] [stdout]      |
[INFO] [stdout] 2580 | static MAX_POINTS: u32 = 1000;
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COUNTER` is never used
[INFO] [stdout]     --> src/main.rs:2587:12
[INFO] [stdout]      |
[INFO] [stdout] 2587 | static mut COUNTER: u32 = 0;
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]     --> src/main.rs:2589:11
[INFO] [stdout]      |
[INFO] [stdout] 2589 | unsafe fn increment() {
[INFO] [stdout]      |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_unit` is never used
[INFO] [stdout]  --> src/compound_types.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn test_unit() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAXIMUM_NUMBER` is never used
[INFO] [stdout]   --> src/compound_types.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | const MAXIMUM_NUMBER: i32 = 1000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/function.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn add(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_test` is never used
[INFO] [stdout]  --> src/function.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn hello_test() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAXIMUM_NUMBER` is never used
[INFO] [stdout]  --> src/scope_block.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const MAXIMUM_NUMBER: i32 = 1000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_stack_and_heap_a` is never used
[INFO] [stdout]  --> src/stack_heap.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn function_stack_and_heap_a() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_stack_and_heap_b` is never used
[INFO] [stdout]   --> src/stack_heap.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn function_stack_and_heap_b() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_variable` is never used
[INFO] [stdout]  --> src/variable.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn test_variable() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]     --> src/main.rs:1103:16
[INFO] [stdout]      |
[INFO] [stdout] 1103 |     pub struct User {
[INFO] [stdout]      |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]     --> src/main.rs:1109:16
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     impl User {
[INFO] [stdout]      |     --------- method in this implementation
[INFO] [stdout] 1109 |         pub fn say_hello(&self, name: &str) {
[INFO] [stdout]      |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]     --> src/main.rs:1129:12
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     pub fn say_hello() {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]     --> src/main.rs:1135:12
[INFO] [stdout]      |
[INFO] [stdout] 1135 |     pub fn say_hello() {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/fourth.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn say_hello() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/third.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/third.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |         pub fn say_hello() {
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2421cadfdf108ec03ef17916faa05307a0179a4dca515bced9571635d0512c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2421cadfdf108ec03ef17916faa05307a0179a4dca515bced9571635d0512c01", kill_on_drop: false }`
[INFO] [stdout] 2421cadfdf108ec03ef17916faa05307a0179a4dca515bced9571635d0512c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90e687fda5fa5063ad5853e54b102bd9886587910aeb1a96287d40a7b2045336
[INFO] running `Command { std: "docker" "start" "-a" "90e687fda5fa5063ad5853e54b102bd9886587910aeb1a96287d40a7b2045336", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/90e687fda5fa5063ad5853e54b102bd9886587910aeb1a96287d40a7b2045336/.tmp-resolv.conf.hash1663917737: no space left on device
[INFO] running `Command { std: "docker" "inspect" "90e687fda5fa5063ad5853e54b102bd9886587910aeb1a96287d40a7b2045336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e687fda5fa5063ad5853e54b102bd9886587910aeb1a96287d40a7b2045336", kill_on_drop: false }`
[INFO] [stdout] 90e687fda5fa5063ad5853e54b102bd9886587910aeb1a96287d40a7b2045336