[INFO] fetching crate pr47 0.1.3... [INFO] checking pr47-0.1.3 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate pr47 0.1.3 into /workspace/builds/worker-97/source [INFO] validating manifest of crates.io crate pr47 0.1.3 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pr47 0.1.3 [INFO] finished tweaking crates.io crate pr47 0.1.3 [INFO] tweaked toml for crates.io crate pr47 0.1.3 written to /workspace/builds/worker-97/source/Cargo.toml [INFO] crate crates.io crate pr47 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded phf_macros v0.10.0 [INFO] [stderr] Downloaded pollster v0.2.4 [INFO] [stderr] Downloaded variant_count v1.1.0 [INFO] [stderr] Downloaded unchecked_unwrap v3.0.0 [INFO] [stderr] Downloaded pr47-codegen v0.0.2 [INFO] [stderr] Downloaded xjbutil v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1075c0bef6fc235aba1dd2865cc5314b6ddb12a51eedad715781703f9c013f7e [INFO] running `Command { std: "docker" "start" "-a" "1075c0bef6fc235aba1dd2865cc5314b6ddb12a51eedad715781703f9c013f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1075c0bef6fc235aba1dd2865cc5314b6ddb12a51eedad715781703f9c013f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1075c0bef6fc235aba1dd2865cc5314b6ddb12a51eedad715781703f9c013f7e", kill_on_drop: false }` [INFO] [stdout] 1075c0bef6fc235aba1dd2865cc5314b6ddb12a51eedad715781703f9c013f7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9e5d18939f7f878684c045b83b9572749da5b5fe5e72462e00f07c1c64f4cb6 [INFO] running `Command { std: "docker" "start" "-a" "e9e5d18939f7f878684c045b83b9572749da5b5fe5e72462e00f07c1c64f4cb6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling siphasher v0.3.7 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking unchecked_unwrap v3.0.0 [INFO] [stderr] Checking pollster v0.2.4 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling phf_macros v0.10.0 [INFO] [stderr] Compiling pr47-codegen v0.0.2 [INFO] [stderr] Compiling variant_count v1.1.0 [INFO] [stderr] Checking phf v0.10.0 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking xjbutil v0.4.4 [INFO] [stderr] Checking pr47 v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within [INFO] [stdout] --> src/vm/al31f/executor/async_executor.rs:70:1 [INFO] [stdout] | [INFO] [stdout] 70 | #[must_use = "VM thread are effective iff a function gets run on it"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 71 | #[cfg(feature = "async")] [INFO] [stdout] 72 | / pub async fn create_vm_main_thread( [INFO] [stdout] 73 | | alloc: A, [INFO] [stdout] 74 | | program: &CompiledProgram [INFO] [stdout] 75 | | ) -> Box> { [INFO] [stdout] ... | [INFO] [stdout] 82 | | ret [INFO] [stdout] 83 | | } [INFO] [stdout] | |_- this attribute does nothing, the `Future`s returned by async functions are already `must_use` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within [INFO] [stdout] --> src/vm/al31f/executor/async_executor.rs:70:1 [INFO] [stdout] | [INFO] [stdout] 70 | #[must_use = "VM thread are effective iff a function gets run on it"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 71 | #[cfg(feature = "async")] [INFO] [stdout] 72 | / pub async fn create_vm_main_thread( [INFO] [stdout] 73 | | alloc: A, [INFO] [stdout] 74 | | program: &CompiledProgram [INFO] [stdout] 75 | | ) -> Box> { [INFO] [stdout] ... | [INFO] [stdout] 82 | | ret [INFO] [stdout] 83 | | } [INFO] [stdout] | |_- this attribute does nothing, the `Future`s returned by async functions are already `must_use` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.34s [INFO] running `Command { std: "docker" "inspect" "e9e5d18939f7f878684c045b83b9572749da5b5fe5e72462e00f07c1c64f4cb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9e5d18939f7f878684c045b83b9572749da5b5fe5e72462e00f07c1c64f4cb6", kill_on_drop: false }` [INFO] [stdout] e9e5d18939f7f878684c045b83b9572749da5b5fe5e72462e00f07c1c64f4cb6