[INFO] cloning repository https://github.com/rodydavis/flutter_wasm_example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodydavis/flutter_wasm_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodydavis%2Fflutter_wasm_example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodydavis%2Fflutter_wasm_example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 483315b2d6b84ce90f12a9d88f7349cfc3cd23da [INFO] checking rodydavis/flutter_wasm_example against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodydavis%2Fflutter_wasm_example" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/rodydavis/flutter_wasm_example on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rodydavis/flutter_wasm_example [INFO] finished tweaking git repo https://github.com/rodydavis/flutter_wasm_example [INFO] tweaked toml for git repo https://github.com/rodydavis/flutter_wasm_example written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/rodydavis/flutter_wasm_example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f23f3a3c878a9040b1435409562cecb9976db475b9d402fd67ab613284578069 [INFO] running `Command { std: "docker" "start" "-a" "f23f3a3c878a9040b1435409562cecb9976db475b9d402fd67ab613284578069", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f23f3a3c878a9040b1435409562cecb9976db475b9d402fd67ab613284578069", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f23f3a3c878a9040b1435409562cecb9976db475b9d402fd67ab613284578069", kill_on_drop: false }` [INFO] [stdout] f23f3a3c878a9040b1435409562cecb9976db475b9d402fd67ab613284578069 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4ea8c740aa146bebf8eb33841bc5d11fcd5e13067e7d6e10aa3ec856990b403 [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" "b4ea8c740aa146bebf8eb33841bc5d11fcd5e13067e7d6e10aa3ec856990b403", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.52.0 [INFO] [stderr] Compiling cranelift-entity v0.52.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling target-lexicon v0.9.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling arrayref v0.3.6 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking wasmparser v0.45.2 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.52.0 [INFO] [stderr] Checking cranelift-bforest v0.52.0 [INFO] [stderr] Compiling blake2b_simd v0.5.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling raw-cpuid v7.0.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling wasmer-runtime-core v0.13.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking nix v0.15.0 [INFO] [stderr] Checking errno v0.2.4 [INFO] [stderr] Checking page_size v0.4.2 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking serde_bytes v0.11.3 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking serde-bench v0.0.7 [INFO] [stderr] Compiling thiserror-impl v1.0.11 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking thiserror v1.0.11 [INFO] [stderr] Compiling cranelift-codegen v0.52.0 [INFO] [stderr] Checking wasmer-clif-fork-frontend v0.52.0 [INFO] [stderr] Checking cranelift-native v0.52.0 [INFO] [stderr] Checking wasmer-clif-fork-wasm v0.52.0 [INFO] [stderr] Checking wasmer-clif-backend v0.13.1 [INFO] [stderr] Checking wasmer-runtime v0.13.1 [INFO] [stderr] Checking dart_wasmer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `extern` fn uses type `std::result::Result<(), wasmer_runtime::error::Error>`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:4:34 [INFO] [stdout] | [INFO] [stdout] 4 | pub extern "C" fn load_wasm() -> error::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `std::result::Result<(), wasmer_runtime::error::Error>`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:4:34 [INFO] [stdout] | [INFO] [stdout] 4 | pub extern "C" fn load_wasm() -> error::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.81s [INFO] running `Command { std: "docker" "inspect" "b4ea8c740aa146bebf8eb33841bc5d11fcd5e13067e7d6e10aa3ec856990b403", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4ea8c740aa146bebf8eb33841bc5d11fcd5e13067e7d6e10aa3ec856990b403", kill_on_drop: false }` [INFO] [stdout] b4ea8c740aa146bebf8eb33841bc5d11fcd5e13067e7d6e10aa3ec856990b403