[INFO] cloning repository https://github.com/grezxune/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grezxune/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrezxune%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrezxune%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25985416f06f18c83b704dbfb9ba979fb86379c4
[INFO] testing grezxune/rust-sandbox against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrezxune%2Frust-sandbox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grezxune/rust-sandbox on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grezxune/rust-sandbox
[INFO] finished tweaking git repo https://github.com/grezxune/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/grezxune/rust-sandbox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/grezxune/rust-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87e9a581894f4ca696182469b5d90e172dce5293ec11b43391714b43f0f49d7d
[INFO] running `Command { std: "docker" "start" "-a" "87e9a581894f4ca696182469b5d90e172dce5293ec11b43391714b43f0f49d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87e9a581894f4ca696182469b5d90e172dce5293ec11b43391714b43f0f49d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e9a581894f4ca696182469b5d90e172dce5293ec11b43391714b43f0f49d7d", kill_on_drop: false }`
[INFO] [stdout] 87e9a581894f4ca696182469b5d90e172dce5293ec11b43391714b43f0f49d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d850611adf6e00b8e9bab14849dc3dfd0bb9be5bb04dc87cf781aed21e23a2f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d850611adf6e00b8e9bab14849dc3dfd0bb9be5bb04dc87cf781aed21e23a2f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/strings.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let test = "Test";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]  --> src/loops.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut count = 0;
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr2`
[INFO] [stdout]  --> src/pointer_ref.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let arr2 = arr1;
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_arr2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/loops.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut count = 0;
[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: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/strings.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run () {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/tuples.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/arrays.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vectors.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/conditionals.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/loops.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/functions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting`
[INFO] [stdout]   --> src/functions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn greeting(greet: &str, name: &str) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/functions.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add(n1: i32, n2: i32) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/pointer_ref.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/structs.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/structs.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn new(first: &str, last: &str) -> Person {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `full_name`
[INFO] [stdout]   --> src/structs.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn full_name(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_name`
[INFO] [stdout]   --> src/structs.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn set_last_name(&mut self, last: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_tuple`
[INFO] [stdout]   --> src/structs.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn to_tuple(self) -> (String, String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/structs.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Movement`
[INFO] [stdout]  --> src/enums.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Movement {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `move_avatar`
[INFO] [stdout]   --> src/enums.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn move_avatar(m: Movement) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/enums.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "d850611adf6e00b8e9bab14849dc3dfd0bb9be5bb04dc87cf781aed21e23a2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d850611adf6e00b8e9bab14849dc3dfd0bb9be5bb04dc87cf781aed21e23a2f1", kill_on_drop: false }`
[INFO] [stdout] d850611adf6e00b8e9bab14849dc3dfd0bb9be5bb04dc87cf781aed21e23a2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d7cebf9e141372a531320f0b37ae93b25729f305718d66cf9c4a07185e8b92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4d7cebf9e141372a531320f0b37ae93b25729f305718d66cf9c4a07185e8b92", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/strings.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let test = "Test";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]  --> src/loops.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut count = 0;
[INFO] [stdout]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr2`
[INFO] [stdout]  --> src/pointer_ref.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let arr2 = arr1;
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_arr2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/loops.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut count = 0;
[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: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/strings.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run () {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/tuples.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/arrays.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vectors.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/conditionals.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/loops.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/functions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting`
[INFO] [stdout]   --> src/functions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn greeting(greet: &str, name: &str) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/functions.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add(n1: i32, n2: i32) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/pointer_ref.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/structs.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/structs.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn new(first: &str, last: &str) -> Person {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `full_name`
[INFO] [stdout]   --> src/structs.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn full_name(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_name`
[INFO] [stdout]   --> src/structs.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn set_last_name(&mut self, last: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_tuple`
[INFO] [stdout]   --> src/structs.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn to_tuple(self) -> (String, String) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/structs.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Movement`
[INFO] [stdout]  --> src/enums.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Movement {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `move_avatar`
[INFO] [stdout]   --> src/enums.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn move_avatar(m: Movement) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/enums.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "a4d7cebf9e141372a531320f0b37ae93b25729f305718d66cf9c4a07185e8b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d7cebf9e141372a531320f0b37ae93b25729f305718d66cf9c4a07185e8b92", kill_on_drop: false }`
[INFO] [stdout] a4d7cebf9e141372a531320f0b37ae93b25729f305718d66cf9c4a07185e8b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a9154cee9e1255ba461ba8a1d365a391675a4edd496ecab83466caff20bf45d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a9154cee9e1255ba461ba8a1d365a391675a4edd496ecab83466caff20bf45d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/strings.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let test = "Test";
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]  --> src/loops.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut count = 0;
[INFO] [stderr]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr2`
[INFO] [stderr]  --> src/pointer_ref.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let arr2 = arr1;
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_arr2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/loops.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut count = 0;
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/print.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/vars.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/types.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/strings.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run () {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/tuples.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/arrays.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/vectors.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/conditionals.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/loops.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/functions.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `greeting`
[INFO] [stderr]   --> src/functions.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn greeting(greet: &str, name: &str) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/functions.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn add(n1: i32, n2: i32) -> i32 {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/pointer_ref.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]   --> src/structs.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Person {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/structs.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn new(first: &str, last: &str) -> Person {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `full_name`
[INFO] [stderr]   --> src/structs.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn full_name(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_last_name`
[INFO] [stderr]   --> src/structs.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn set_last_name(&mut self, last: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_tuple`
[INFO] [stderr]   --> src/structs.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn to_tuple(self) -> (String, String) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/structs.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Movement`
[INFO] [stderr]  --> src/enums.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Movement {
[INFO] [stderr]   |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `move_avatar`
[INFO] [stderr]   --> src/enums.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn move_avatar(m: Movement) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/enums.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_test-081b5c5fe1007417
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a9154cee9e1255ba461ba8a1d365a391675a4edd496ecab83466caff20bf45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9154cee9e1255ba461ba8a1d365a391675a4edd496ecab83466caff20bf45d", kill_on_drop: false }`
[INFO] [stdout] 7a9154cee9e1255ba461ba8a1d365a391675a4edd496ecab83466caff20bf45d