[INFO] fetching crate rtos 0.0.1...
[INFO] testing rtos-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rtos 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rtos 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtos 0.0.1
[INFO] finished tweaking crates.io crate rtos 0.0.1
[INFO] tweaked toml for crates.io crate rtos 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8747cfbbb32a77907c36290a57a93366280b0c0a793886b1fe9e46f4a5e2143e
[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" "8747cfbbb32a77907c36290a57a93366280b0c0a793886b1fe9e46f4a5e2143e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8747cfbbb32a77907c36290a57a93366280b0c0a793886b1fe9e46f4a5e2143e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8747cfbbb32a77907c36290a57a93366280b0c0a793886b1fe9e46f4a5e2143e", kill_on_drop: false }`
[INFO] [stdout] 8747cfbbb32a77907c36290a57a93366280b0c0a793886b1fe9e46f4a5e2143e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd7b3642144d5839369ba95d392f59bdda06ac827a7078d9ddee08e9b64ea591
[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" "dd7b3642144d5839369ba95d392f59bdda06ac827a7078d9ddee08e9b64ea591", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtos v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idle_hook`
[INFO] [stdout]  --> src/lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn start(idle_hook: impl FnMut()) {}
[INFO] [stdout]   |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idle_hook`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entrypoint`
[INFO] [stdout]   --> src/task.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entrypoint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Low`
[INFO] [stdout]  --> src/task.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Low,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BelowNormal`
[INFO] [stdout]  --> src/task.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     BelowNormal,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AboveNormal`
[INFO] [stdout]  --> src/task.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     AboveNormal,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `High`
[INFO] [stdout]  --> src/task.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     High,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Realtime`
[INFO] [stdout]  --> src/task.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Realtime,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TaskHandle`
[INFO] [stdout]   --> src/task.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TaskHandle {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack_size`
[INFO] [stdout]   --> src/task.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     stack_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `priority`
[INFO] [stdout]   --> src/task.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     priority: Priority,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/task.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]   --> src/task.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spawn`
[INFO] [stdout]   --> src/task.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn spawn(entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "dd7b3642144d5839369ba95d392f59bdda06ac827a7078d9ddee08e9b64ea591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7b3642144d5839369ba95d392f59bdda06ac827a7078d9ddee08e9b64ea591", kill_on_drop: false }`
[INFO] [stdout] dd7b3642144d5839369ba95d392f59bdda06ac827a7078d9ddee08e9b64ea591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e25a5e8ece6647494f2c2472da27957e0b03b9afcb02fc82194dbc612c5f9fe
[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" "0e25a5e8ece6647494f2c2472da27957e0b03b9afcb02fc82194dbc612c5f9fe", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `idle_hook`
[INFO] [stdout]  --> src/lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn start(idle_hook: impl FnMut()) {}
[INFO] [stdout]   |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idle_hook`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rtos v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `entrypoint`
[INFO] [stdout]   --> src/task.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entrypoint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Low`
[INFO] [stdout]  --> src/task.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Low,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BelowNormal`
[INFO] [stdout]  --> src/task.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     BelowNormal,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AboveNormal`
[INFO] [stdout]  --> src/task.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     AboveNormal,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `High`
[INFO] [stdout]  --> src/task.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     High,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Realtime`
[INFO] [stdout]  --> src/task.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Realtime,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TaskHandle`
[INFO] [stdout]   --> src/task.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TaskHandle {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack_size`
[INFO] [stdout]   --> src/task.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     stack_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `priority`
[INFO] [stdout]   --> src/task.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     priority: Priority,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/task.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]   --> src/task.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spawn`
[INFO] [stdout]   --> src/task.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn spawn(entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idle_hook`
[INFO] [stdout]  --> src/lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn start(idle_hook: impl FnMut()) {}
[INFO] [stdout]   |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idle_hook`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entrypoint`
[INFO] [stdout]   --> src/task.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entrypoint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Low`
[INFO] [stdout]  --> src/task.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Low,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BelowNormal`
[INFO] [stdout]  --> src/task.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     BelowNormal,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AboveNormal`
[INFO] [stdout]  --> src/task.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     AboveNormal,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `High`
[INFO] [stdout]  --> src/task.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     High,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Realtime`
[INFO] [stdout]  --> src/task.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Realtime,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TaskHandle`
[INFO] [stdout]   --> src/task.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TaskHandle {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack_size`
[INFO] [stdout]   --> src/task.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     stack_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `priority`
[INFO] [stdout]   --> src/task.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     priority: Priority,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/task.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]   --> src/task.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spawn`
[INFO] [stdout]   --> src/task.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn spawn(entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "0e25a5e8ece6647494f2c2472da27957e0b03b9afcb02fc82194dbc612c5f9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e25a5e8ece6647494f2c2472da27957e0b03b9afcb02fc82194dbc612c5f9fe", kill_on_drop: false }`
[INFO] [stdout] 0e25a5e8ece6647494f2c2472da27957e0b03b9afcb02fc82194dbc612c5f9fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b736d6c95d5b7e56d52356010c79edd7e44c3bbd9ea084d009dc850f90283ac
[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" "9b736d6c95d5b7e56d52356010c79edd7e44c3bbd9ea084d009dc850f90283ac", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `idle_hook`
[INFO] [stderr]  --> src/lib.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn start(idle_hook: impl FnMut()) {}
[INFO] [stderr]   |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idle_hook`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entrypoint`
[INFO] [stderr]   --> src/task.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stderr]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entrypoint`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Low`
[INFO] [stderr]  --> src/task.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Low,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BelowNormal`
[INFO] [stderr]  --> src/task.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     BelowNormal,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AboveNormal`
[INFO] [stderr]  --> src/task.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     AboveNormal,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `High`
[INFO] [stderr]  --> src/task.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     High,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Realtime`
[INFO] [stderr]  --> src/task.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Realtime,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TaskHandle`
[INFO] [stderr]   --> src/task.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct TaskHandle {}
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack_size`
[INFO] [stderr]   --> src/task.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     stack_size: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `priority`
[INFO] [stderr]   --> src/task.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     priority: Priority,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/task.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `spawn`
[INFO] [stderr]   --> src/task.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spawn`
[INFO] [stderr]   --> src/task.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn spawn(entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idle_hook`
[INFO] [stderr]  --> src/lib.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn start(idle_hook: impl FnMut()) {}
[INFO] [stderr]   |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idle_hook`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entrypoint`
[INFO] [stderr]   --> src/task.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stderr]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entrypoint`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Low`
[INFO] [stderr]  --> src/task.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Low,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BelowNormal`
[INFO] [stderr]  --> src/task.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     BelowNormal,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AboveNormal`
[INFO] [stderr]  --> src/task.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     AboveNormal,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `High`
[INFO] [stderr]  --> src/task.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     High,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Realtime`
[INFO] [stderr]  --> src/task.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Realtime,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TaskHandle`
[INFO] [stderr]   --> src/task.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct TaskHandle {}
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack_size`
[INFO] [stderr]   --> src/task.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     stack_size: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `priority`
[INFO] [stderr]   --> src/task.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     priority: Priority,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/task.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `spawn`
[INFO] [stderr]   --> src/task.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn spawn(&self, entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spawn`
[INFO] [stderr]   --> src/task.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn spawn(entrypoint: impl FnOnce() -> ()) -> TaskHandle {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtos-eb8db82273e2a052)
[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] [stderr]    Doc-tests rtos
[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" "9b736d6c95d5b7e56d52356010c79edd7e44c3bbd9ea084d009dc850f90283ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b736d6c95d5b7e56d52356010c79edd7e44c3bbd9ea084d009dc850f90283ac", kill_on_drop: false }`
[INFO] [stdout] 9b736d6c95d5b7e56d52356010c79edd7e44c3bbd9ea084d009dc850f90283ac
