[INFO] cloning repository https://github.com/Maximilianych/tokioexamples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Maximilianych/tokioexamples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaximilianych%2Ftokioexamples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaximilianych%2Ftokioexamples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff4fe733e71e436de00e648ed6d92560f0e2a6dd
[INFO] checking Maximilianych/tokioexamples against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaximilianych%2Ftokioexamples" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/Maximilianych/tokioexamples
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[INFO] tweaked toml for git repo https://github.com/Maximilianych/tokioexamples written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Maximilianych/tokioexamples on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Maximilianych/tokioexamples 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Maximilianych/tokioexamples against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaximilianych%2Ftokioexamples" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Maximilianych/tokioexamples
[INFO] finished tweaking git repo https://github.com/Maximilianych/tokioexamples
[INFO] tweaked toml for git repo https://github.com/Maximilianych/tokioexamples written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Maximilianych/tokioexamples on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Maximilianych/tokioexamples 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] b42bb46ba3a7d8e2fba9a0d1da0cc74c904ab1620c5474710ea3d5e0d8f14db5
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[INFO] running `Command { std: "docker" "rm" "-f" "b42bb46ba3a7d8e2fba9a0d1da0cc74c904ab1620c5474710ea3d5e0d8f14db5", kill_on_drop: false }`
[INFO] [stdout] b42bb46ba3a7d8e2fba9a0d1da0cc74c904ab1620c5474710ea3d5e0d8f14db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03f21a47d56785637cbe5ae105f78ee733ec5b3457340f15f578adde384b42d2
[INFO] running `Command { std: "docker" "start" "-a" "03f21a47d56785637cbe5ae105f78ee733ec5b3457340f15f578adde384b42d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tokioexamples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut my_vec3 = vec![6u64; capacity as usize];
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elem`
[INFO] [stdout]    --> src/main.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for mut elem in my_vec3 {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_vec4`
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let my_vec4 = vec![0u64; capacity as usize];
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut value = *tokio_protected_value.clone().lock().await;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/main.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         value = 4;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let mut value = *protected_value.clone().lock().unwrap();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/main.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         value = 4;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut my_vec3 = vec![6u64; capacity as usize];
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elem`
[INFO] [stdout]    --> src/main.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     for mut elem in my_vec3 {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_vec4`
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let my_vec4 = vec![0u64; capacity as usize];
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut value = *tokio_protected_value.clone().lock().await;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/main.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         value = 4;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut tokio_protected_value = std::sync::Arc::new(tokio::sync::Mutex::new(0u64));
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example1` is never used
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn example1() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Example2Struct` is never constructed
[INFO] [stdout]   --> src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Example2Struct {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example2` is never used
[INFO] [stdout]   --> src/main.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn example2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let mut value = *protected_value.clone().lock().unwrap();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example4_async_mutex` is never used
[INFO] [stdout]    --> src/main.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | async fn example4_async_mutex(tokio_protected_value: std::sync::Arc<tokio::sync::Mutex<u64>>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/main.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         value = 4;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example4_std_mutex` is never used
[INFO] [stdout]    --> src/main.rs:163:10
[INFO] [stdout]     |
[INFO] [stdout] 163 | async fn example4_std_mutex(protected_value: std::sync::Arc<std::sync::Mutex<u64>>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example4` is never used
[INFO] [stdout]    --> src/main.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn example4() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Triangle` is never constructed
[INFO] [stdout]    --> src/main.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub struct Triangle {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/main.rs:228:16
[INFO] [stdout]     |
[INFO] [stdout] 226 |     impl Triangle {
[INFO] [stdout]     |     ------------- associated items in this implementation
[INFO] [stdout] 227 |         // Изменение координат точек с установкой None в поля area и perimeter
[INFO] [stdout] 228 |         pub fn set_a(&mut self, a: (f32, f32)) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |         pub fn set_b(&mut self, b: (f32, f32)) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |         pub fn set_c(&mut self, c: (f32, f32)) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |         pub fn area(&mut self) -> f32 {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |         fn dist(a: (f32, f32), b: (f32, f32)) -> f32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |         pub fn perimeter(&mut self) -> f32 {
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |         pub fn new() -> Triangle {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut tokio_protected_value = std::sync::Arc::new(tokio::sync::Mutex::new(0u64));
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example1` is never used
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn example1() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Example2Struct` is never constructed
[INFO] [stdout]   --> src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Example2Struct {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example2` is never used
[INFO] [stdout]   --> src/main.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn example2() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example4_async_mutex` is never used
[INFO] [stdout]    --> src/main.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | async fn example4_async_mutex(tokio_protected_value: std::sync::Arc<tokio::sync::Mutex<u64>>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example4_std_mutex` is never used
[INFO] [stdout]    --> src/main.rs:163:10
[INFO] [stdout]     |
[INFO] [stdout] 163 | async fn example4_std_mutex(protected_value: std::sync::Arc<std::sync::Mutex<u64>>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example4` is never used
[INFO] [stdout]    --> src/main.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn example4() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "03f21a47d56785637cbe5ae105f78ee733ec5b3457340f15f578adde384b42d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f21a47d56785637cbe5ae105f78ee733ec5b3457340f15f578adde384b42d2", kill_on_drop: false }`
[INFO] [stdout] 03f21a47d56785637cbe5ae105f78ee733ec5b3457340f15f578adde384b42d2
