[INFO] cloning repository https://github.com/drewcrawford/semaphore-repro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drewcrawford/semaphore-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewcrawford%2Fsemaphore-repro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewcrawford%2Fsemaphore-repro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] edcf430a28ac130a4ce3bb155d2915d24ed73a96 [INFO] checking drewcrawford/semaphore-repro/edcf430a28ac130a4ce3bb155d2915d24ed73a96 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewcrawford%2Fsemaphore-repro" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/drewcrawford/semaphore-repro on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/drewcrawford/semaphore-repro [INFO] finished tweaking git repo https://github.com/drewcrawford/semaphore-repro [INFO] tweaked toml for git repo https://github.com/drewcrawford/semaphore-repro written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/drewcrawford/semaphore-repro 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: version requirement `0.22.0+204` for dependency `erupt` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded raw-window-metal v0.2.0 [INFO] [stderr] Downloaded erupt v0.22.0+204 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 370783a62d2d1541af4b6f3e4558d7c3ac58f1fc9193f4862f0201fe6c50bfdb [INFO] running `Command { std: "docker" "start" "-a" "370783a62d2d1541af4b6f3e4558d7c3ac58f1fc9193f4862f0201fe6c50bfdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "370783a62d2d1541af4b6f3e4558d7c3ac58f1fc9193f4862f0201fe6c50bfdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "370783a62d2d1541af4b6f3e4558d7c3ac58f1fc9193f4862f0201fe6c50bfdb", kill_on_drop: false }` [INFO] [stdout] 370783a62d2d1541af4b6f3e4558d7c3ac58f1fc9193f4862f0201fe6c50bfdb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba5c2c238b1fbeb867da1477825dfe8d19c5a0553da50f02fc1afffca6ad7316 [INFO] running `Command { std: "docker" "start" "-a" "ba5c2c238b1fbeb867da1477825dfe8d19c5a0553da50f02fc1afffca6ad7316", kill_on_drop: false }` [INFO] [stderr] warning: version requirement `0.22.0+204` for dependency `erupt` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cty v0.2.2 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking libloading v0.7.3 [INFO] [stderr] Checking raw-window-handle v0.4.3 [INFO] [stderr] Checking erupt v0.22.0+204 [INFO] [stderr] Checking semaphore_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::BitXor` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::BitXor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvTimeoutError::Timeout` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::RecvTimeoutError::Timeout; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::BitXor` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::BitXor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvTimeoutError::Timeout` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::RecvTimeoutError::Timeout; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ApplicationInfo`, `BufferCopyBuilder`, `BufferCreateFlags`, `BufferCreateInfoBuilder`, `BufferUsageFlags`, `DependencyFlags`, `DeviceCreateInfo`, `Fence`, `KHR_SYNCHRONIZATION_2_EXTENSION_NAME`, `MemoryAllocateInfoBuilder`, `PhysicalDeviceFeaturesBuilder`, `PhysicalDeviceFeatures`, `PipelineStageFlags`, `RenderPass`, and `SemaphoreCreateFlags` [INFO] [stdout] --> src/main.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | ...::{ApplicationInfo, ApplicationInfoBuilder, BufferCopyBuilder, BufferCreateFlags, BufferCreateInfoBuilder, BufferUsageFlags, CommandBufferAllocateInfoBuilder, CommandBufferBeginInfoBuilder, CommandBufferUsageFlags, CommandPoolCreateInfoBuilder, DependencyFlags, DeviceCreateInfo, DeviceCreateInfoBuilder, DeviceQueueCreateInfoBuilder, EXT_DEBUG_UTILS_EXTENSION_NAME, Fence, FenceCreateInfoBuilder, InstanceCreateInfoBuilder, KHR_SYNCHRONIZATION_2_EXTENSION_NAME, MemoryAllocateInfoBuilder, PhysicalDeviceFeatures, PhysicalDeviceFeatures2Builder, PhysicalDeviceFeaturesBuilder, PhysicalDeviceTimelineSemaphoreFeaturesBuilder, PipelineStageFlags, QueueFlags, RenderPass, Semaphore, SemaphoreCreateFlags, S... [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ApplicationInfo`, `BufferCopyBuilder`, `BufferCreateFlags`, `BufferCreateInfoBuilder`, `BufferUsageFlags`, `DependencyFlags`, `DeviceCreateInfo`, `Fence`, `KHR_SYNCHRONIZATION_2_EXTENSION_NAME`, `MemoryAllocateInfoBuilder`, `PhysicalDeviceFeaturesBuilder`, `PhysicalDeviceFeatures`, `PipelineStageFlags`, `RenderPass`, and `SemaphoreCreateFlags` [INFO] [stdout] --> src/main.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | ...::{ApplicationInfo, ApplicationInfoBuilder, BufferCopyBuilder, BufferCreateFlags, BufferCreateInfoBuilder, BufferUsageFlags, CommandBufferAllocateInfoBuilder, CommandBufferBeginInfoBuilder, CommandBufferUsageFlags, CommandPoolCreateInfoBuilder, DependencyFlags, DeviceCreateInfo, DeviceCreateInfoBuilder, DeviceQueueCreateInfoBuilder, EXT_DEBUG_UTILS_EXTENSION_NAME, Fence, FenceCreateInfoBuilder, InstanceCreateInfoBuilder, KHR_SYNCHRONIZATION_2_EXTENSION_NAME, MemoryAllocateInfoBuilder, PhysicalDeviceFeatures, PhysicalDeviceFeatures2Builder, PhysicalDeviceFeaturesBuilder, PhysicalDeviceTimelineSemaphoreFeaturesBuilder, PipelineStageFlags, QueueFlags, RenderPass, Semaphore, SemaphoreCreateFlags, S... [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | for i in 0..4 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `binary_info` [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | let binary_info = SemaphoreCreateInfoBuilder::new(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | for i in 0..4 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `binary_info` [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | let binary_info = SemaphoreCreateInfoBuilder::new(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.65s [INFO] running `Command { std: "docker" "inspect" "ba5c2c238b1fbeb867da1477825dfe8d19c5a0553da50f02fc1afffca6ad7316", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba5c2c238b1fbeb867da1477825dfe8d19c5a0553da50f02fc1afffca6ad7316", kill_on_drop: false }` [INFO] [stdout] ba5c2c238b1fbeb867da1477825dfe8d19c5a0553da50f02fc1afffca6ad7316