[INFO] cloning repository https://github.com/VanyaGlazunov/Tatlin.Backup_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VanyaGlazunov/Tatlin.Backup_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanyaGlazunov%2FTatlin.Backup_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanyaGlazunov%2FTatlin.Backup_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc32e626491bbadbb4e828194dab352502793c11 [INFO] checking VanyaGlazunov/Tatlin.Backup_test against c0dfa9ae292642b7683cf7162ffb6880170df098 for pr-160902 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanyaGlazunov%2FTatlin.Backup_test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/VanyaGlazunov/Tatlin.Backup_test [INFO] finished tweaking git repo https://github.com/VanyaGlazunov/Tatlin.Backup_test [INFO] tweaked toml for git repo https://github.com/VanyaGlazunov/Tatlin.Backup_test written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/VanyaGlazunov/Tatlin.Backup_test on toolchain c0dfa9ae292642b7683cf7162ffb6880170df098 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0dfa9ae292642b7683cf7162ffb6880170df098" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/VanyaGlazunov/Tatlin.Backup_test 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" "+c0dfa9ae292642b7683cf7162ffb6880170df098" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc [INFO] running `Command { std: "docker" "start" "6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc" "/opt/rustwide/cargo-home/bin/cargo" "+c0dfa9ae292642b7683cf7162ffb6880170df098" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc" "/opt/rustwide/cargo-home/bin/cargo" "+c0dfa9ae292642b7683cf7162ffb6880170df098" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [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:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | 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:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | 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:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | 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:147:13 [INFO] [stdout] | [INFO] [stdout] 147 | 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:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | 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:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | 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:155:9 [INFO] [stdout] | [INFO] [stdout] 155 | 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:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | 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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | 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: function `example1` is never used [INFO] [stdout] --> src/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | 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:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | struct Example2Struct { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/main.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | 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: function `example2` is never used [INFO] [stdout] --> src/main.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn example2() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4_async_mutex` is never used [INFO] [stdout] --> src/main.rs:145:10 [INFO] [stdout] | [INFO] [stdout] 145 | async fn example4_async_mutex(tokio_protected_value: std::sync::Arc>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4_std_mutex` is never used [INFO] [stdout] --> src/main.rs:152:10 [INFO] [stdout] | [INFO] [stdout] 152 | async fn example4_std_mutex(protected_value: std::sync::Arc>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4` is never used [INFO] [stdout] --> src/main.rs:159:4 [INFO] [stdout] | [INFO] [stdout] 159 | fn example4() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_vec4` [INFO] [stdout] --> src/main.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | 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: struct `Triangle` is never constructed [INFO] [stdout] --> src/main.rs:215:16 [INFO] [stdout] | [INFO] [stdout] 215 | pub struct Triangle { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `value` is assigned to, but never used [INFO] [stdout] --> src/main.rs:147:13 [INFO] [stdout] | [INFO] [stdout] 147 | 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:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | 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: associated items `area`, `dist`, `perimeter`, and `new` are never used [INFO] [stdout] --> src/main.rs:225:16 [INFO] [stdout] | [INFO] [stdout] 223 | impl Triangle { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 224 | //calculate area which is a positive number [INFO] [stdout] 225 | pub fn area(&mut self) -> f32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn dist(a: (f32, f32), b: (f32, f32)) -> f32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 242 | pub fn perimeter(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 256 | pub fn new() -> Triangle { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `value` is assigned to, but never used [INFO] [stdout] --> src/main.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | 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:155:9 [INFO] [stdout] | [INFO] [stdout] 155 | 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:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | 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:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | 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:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | struct Example2Struct { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example2` is never used [INFO] [stdout] --> src/main.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn example2() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4_async_mutex` is never used [INFO] [stdout] --> src/main.rs:145:10 [INFO] [stdout] | [INFO] [stdout] 145 | async fn example4_async_mutex(tokio_protected_value: std::sync::Arc>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4_std_mutex` is never used [INFO] [stdout] --> src/main.rs:152:10 [INFO] [stdout] | [INFO] [stdout] 152 | async fn example4_std_mutex(protected_value: std::sync::Arc>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4` is never used [INFO] [stdout] --> src/main.rs:159:4 [INFO] [stdout] | [INFO] [stdout] 159 | fn example4() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s [INFO] running `Command { std: "docker" "inspect" "6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc", kill_on_drop: false }` [INFO] [stdout] 6df8ee4ac97020079c06d0d227bc58c898156b1dbd59832fd2b13d156bdd75bc