[INFO] cloning repository https://github.com/kamenkremen/impulse-rust-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamenkremen/impulse-rust-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamenkremen%2Fimpulse-rust-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamenkremen%2Fimpulse-rust-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eb70f8084e04619193d883f768a0168fed9d2375 [INFO] testing kamenkremen/impulse-rust-test against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamenkremen%2Fimpulse-rust-test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device [INFO] testing kamenkremen/impulse-rust-test against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamenkremen%2Fimpulse-rust-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] validating manifest of git repo https://github.com/kamenkremen/impulse-rust-test on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kamenkremen/impulse-rust-test [INFO] finished tweaking git repo https://github.com/kamenkremen/impulse-rust-test [INFO] tweaked toml for git repo https://github.com/kamenkremen/impulse-rust-test written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kamenkremen/impulse-rust-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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b70d2fb7982a130081748d153a69c6874585ad038cc3e4b1138552a5bc8576d6 [INFO] running `Command { std: "docker" "start" "-a" "b70d2fb7982a130081748d153a69c6874585ad038cc3e4b1138552a5bc8576d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b70d2fb7982a130081748d153a69c6874585ad038cc3e4b1138552a5bc8576d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b70d2fb7982a130081748d153a69c6874585ad038cc3e4b1138552a5bc8576d6", kill_on_drop: false }` [INFO] [stdout] b70d2fb7982a130081748d153a69c6874585ad038cc3e4b1138552a5bc8576d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a6ee0360971f258e811e659b432fe46d1b75bae9434140176cec23603eb84da [INFO] running `Command { std: "docker" "start" "-a" "4a6ee0360971f258e811e659b432fe46d1b75bae9434140176cec23603eb84da", 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] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling mio v1.0.2 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling tokio v1.40.0 [INFO] [stderr] Compiling tokioexamples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `value` is assigned to, but never used [INFO] [stdout] --> src/main.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | let mut value = *tokio_protected_value.clone().lock().await; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_value` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/main.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | value = 4; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `value` is assigned to, but never used [INFO] [stdout] --> src/main.rs:174:17 [INFO] [stdout] | [INFO] [stdout] 174 | 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:175:9 [INFO] [stdout] | [INFO] [stdout] 175 | value = 4; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `elem` is assigned to, but never used [INFO] [stdout] --> src/main.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | for mut elem in my_vec3 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_elem` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `elem` is never read [INFO] [stdout] --> src/main.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | elem = 7u64; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_vec4` [INFO] [stdout] --> src/main.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | 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 does not need to be mutable [INFO] [stdout] --> src/main.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | 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: 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] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example2` is never used [INFO] [stdout] --> src/main.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn example2() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example3` is never used [INFO] [stdout] --> src/main.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn example3() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4_async_mutex` is never used [INFO] [stdout] --> src/main.rs:165:10 [INFO] [stdout] | [INFO] [stdout] 165 | 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:172:10 [INFO] [stdout] | [INFO] [stdout] 172 | 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:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn example4() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Triangle` is never constructed [INFO] [stdout] --> src/main.rs:242:16 [INFO] [stdout] | [INFO] [stdout] 242 | pub struct Triangle { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `area`, `dist`, `perimeter`, and `new` are never used [INFO] [stdout] --> src/main.rs:252:16 [INFO] [stdout] | [INFO] [stdout] 250 | impl Triangle { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 251 | //calculate area which is a positive number [INFO] [stdout] 252 | pub fn area(&mut self) -> f32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 264 | fn dist(a: (f32, f32), b: (f32, f32)) -> f32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 269 | pub fn perimeter(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 283 | pub fn new() -> Triangle { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.70s [INFO] running `Command { std: "docker" "inspect" "4a6ee0360971f258e811e659b432fe46d1b75bae9434140176cec23603eb84da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a6ee0360971f258e811e659b432fe46d1b75bae9434140176cec23603eb84da", kill_on_drop: false }` [INFO] [stdout] 4a6ee0360971f258e811e659b432fe46d1b75bae9434140176cec23603eb84da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16bfc2a9c53d33bfd9686be1e74efd8bfd94e725d203115a137e475b60afc367 [INFO] running `Command { std: "docker" "start" "-a" "16bfc2a9c53d33bfd9686be1e74efd8bfd94e725d203115a137e475b60afc367", kill_on_drop: false }` [INFO] [stderr] Compiling tokioexamples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `value` is assigned to, but never used [INFO] [stdout] --> src/main.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | let mut value = *tokio_protected_value.clone().lock().await; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_value` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/main.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | value = 4; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `value` is assigned to, but never used [INFO] [stdout] --> src/main.rs:174:17 [INFO] [stdout] | [INFO] [stdout] 174 | 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:175:9 [INFO] [stdout] | [INFO] [stdout] 175 | value = 4; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `elem` is assigned to, but never used [INFO] [stdout] --> src/main.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | for mut elem in my_vec3 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_elem` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `elem` is never read [INFO] [stdout] --> src/main.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | elem = 7u64; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_vec4` [INFO] [stdout] --> src/main.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | 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 does not need to be mutable [INFO] [stdout] --> src/main.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | 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: 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] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example2` is never used [INFO] [stdout] --> src/main.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn example2() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example3` is never used [INFO] [stdout] --> src/main.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn example3() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example4_async_mutex` is never used [INFO] [stdout] --> src/main.rs:165:10 [INFO] [stdout] | [INFO] [stdout] 165 | 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:172:10 [INFO] [stdout] | [INFO] [stdout] 172 | 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:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn example4() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "16bfc2a9c53d33bfd9686be1e74efd8bfd94e725d203115a137e475b60afc367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16bfc2a9c53d33bfd9686be1e74efd8bfd94e725d203115a137e475b60afc367", kill_on_drop: false }` [INFO] [stdout] 16bfc2a9c53d33bfd9686be1e74efd8bfd94e725d203115a137e475b60afc367 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a46a82b88bc51a8abf750f3b7b60f376e17c59d7604053ecbbba37f3afe96381 [INFO] running `Command { std: "docker" "start" "-a" "a46a82b88bc51a8abf750f3b7b60f376e17c59d7604053ecbbba37f3afe96381", kill_on_drop: false }` [INFO] [stderr] warning: variable `value` is assigned to, but never used [INFO] [stderr] --> src/main.rs:167:17 [INFO] [stderr] | [INFO] [stderr] 167 | let mut value = *tokio_protected_value.clone().lock().await; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_value` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `value` is never read [INFO] [stderr] --> src/main.rs:168:9 [INFO] [stderr] | [INFO] [stderr] 168 | value = 4; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `value` is assigned to, but never used [INFO] [stderr] --> src/main.rs:174:17 [INFO] [stderr] | [INFO] [stderr] 174 | let mut value = *protected_value.clone().lock().unwrap(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_value` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `value` is never read [INFO] [stderr] --> src/main.rs:175:9 [INFO] [stderr] | [INFO] [stderr] 175 | value = 4; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `elem` is assigned to, but never used [INFO] [stderr] --> src/main.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | for mut elem in my_vec3 { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_elem` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `elem` is never read [INFO] [stderr] --> src/main.rs:131:9 [INFO] [stderr] | [INFO] [stderr] 131 | elem = 7u64; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_vec4` [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | let my_vec4 = vec![0u64; capacity as usize]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec4` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | let mut my_vec3 = vec![6u64; capacity as usize]; [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | let mut tokio_protected_value = std::sync::Arc::new(tokio::sync::Mutex::new(0u64)); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct `Example2Struct` is never constructed [INFO] [stderr] --> src/main.rs:40:8 [INFO] [stderr] | [INFO] [stderr] 40 | struct Example2Struct { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `example2` is never used [INFO] [stderr] --> src/main.rs:52:4 [INFO] [stderr] | [INFO] [stderr] 52 | fn example2() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `example3` is never used [INFO] [stderr] --> src/main.rs:99:4 [INFO] [stderr] | [INFO] [stderr] 99 | fn example3() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `example4_async_mutex` is never used [INFO] [stderr] --> src/main.rs:165:10 [INFO] [stderr] | [INFO] [stderr] 165 | async fn example4_async_mutex(tokio_protected_value: std::sync::Arc>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `example4_std_mutex` is never used [INFO] [stderr] --> src/main.rs:172:10 [INFO] [stderr] | [INFO] [stderr] 172 | async fn example4_std_mutex(protected_value: std::sync::Arc>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `example4` is never used [INFO] [stderr] --> src/main.rs:179:4 [INFO] [stderr] | [INFO] [stderr] 179 | fn example4() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `tokioexamples` (bin "tokioexamples" test) generated 15 warnings (run `cargo fix --bin "tokioexamples" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tokioexamples-f11ed18d567c6ba2) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test example5_tests::test_area ... ok [INFO] [stdout] test example5_tests::test_perimeter ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a46a82b88bc51a8abf750f3b7b60f376e17c59d7604053ecbbba37f3afe96381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a46a82b88bc51a8abf750f3b7b60f376e17c59d7604053ecbbba37f3afe96381", kill_on_drop: false }` [INFO] [stdout] a46a82b88bc51a8abf750f3b7b60f376e17c59d7604053ecbbba37f3afe96381