[INFO] crate rtos 0.0.1 is already in cache
[INFO] checking rtos-0.0.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate rtos 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rtos 0.0.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c25a43a8444160afb4f0d98d099a74697dd6a01ee3ad93f454cb6f203a6f818
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7c25a43a8444160afb4f0d98d099a74697dd6a01ee3ad93f454cb6f203a6f818"`
[INFO] [stderr]     Checking rtos v0.0.1 (/opt/rustwide/workdir)
[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: method is never used: `new`
[INFO] [stderr]   --> src/task.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `spawn`
[INFO] [stderr]   --> src/task.rs:31:5
[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: method is never used: `new`
[INFO] [stderr]   --> src/task.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `spawn`
[INFO] [stderr]   --> src/task.rs:31:5
[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 dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "7c25a43a8444160afb4f0d98d099a74697dd6a01ee3ad93f454cb6f203a6f818"`
[INFO] running `"docker" "rm" "-f" "7c25a43a8444160afb4f0d98d099a74697dd6a01ee3ad93f454cb6f203a6f818"`
[INFO] [stdout] 7c25a43a8444160afb4f0d98d099a74697dd6a01ee3ad93f454cb6f203a6f818