[INFO] fetching crate async-ffi 0.5.0... [INFO] checking async-ffi-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate async-ffi 0.5.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate async-ffi 0.5.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-ffi 0.5.0 [INFO] finished tweaking crates.io crate async-ffi 0.5.0 [INFO] tweaked toml for crates.io crate async-ffi 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 60 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding libloading v0.7.4 (latest: v0.8.3) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tokio v1.29.1 (latest: v1.37.0) [INFO] [stderr] Adding tokio-macros v2.1.0 (latest: v2.2.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-ffi-macros v0.5.0 [INFO] [stderr] Downloaded tstr_proc_macros v0.2.2 [INFO] [stderr] Downloaded generational-arena v0.2.9 [INFO] [stderr] Downloaded abi_stable_shared v0.11.0 [INFO] [stderr] Downloaded core_extensions_proc_macros v1.5.3 [INFO] [stderr] Downloaded repr_offset v0.2.2 [INFO] [stderr] Downloaded as_derive_utils v0.11.0 [INFO] [stderr] Downloaded abi_stable_derive v0.11.3 [INFO] [stderr] Downloaded const_panic v0.2.8 [INFO] [stderr] Downloaded tstr v0.2.4 [INFO] [stderr] Downloaded abi_stable v0.11.3 [INFO] [stderr] Downloaded tokio v1.29.1 [INFO] [stderr] Downloaded core_extensions v1.5.3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e8ee62eff9cf649da147dca7f372f3fabcd2d99f00fc2e1e1aad41bdaa3989c [INFO] running `Command { std: "docker" "start" "-a" "3e8ee62eff9cf649da147dca7f372f3fabcd2d99f00fc2e1e1aad41bdaa3989c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e8ee62eff9cf649da147dca7f372f3fabcd2d99f00fc2e1e1aad41bdaa3989c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e8ee62eff9cf649da147dca7f372f3fabcd2d99f00fc2e1e1aad41bdaa3989c", kill_on_drop: false }` [INFO] [stdout] 3e8ee62eff9cf649da147dca7f372f3fabcd2d99f00fc2e1e1aad41bdaa3989c [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01b5545fdbb43472ea667937a3718adb7dcd99e6dd28c359cc0ade6be6d616d2 [INFO] running `Command { std: "docker" "start" "-a" "01b5545fdbb43472ea667937a3718adb7dcd99e6dd28c359cc0ade6be6d616d2", kill_on_drop: false }` [INFO] [stderr] Checking async-ffi v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/basic.rs:49:20 [INFO] [stdout] | [INFO] [stdout] 49 | struct Dropper(Arc<()>); [INFO] [stdout] | ------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 | struct Dropper(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "01b5545fdbb43472ea667937a3718adb7dcd99e6dd28c359cc0ade6be6d616d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b5545fdbb43472ea667937a3718adb7dcd99e6dd28c359cc0ade6be6d616d2", kill_on_drop: false }` [INFO] [stdout] 01b5545fdbb43472ea667937a3718adb7dcd99e6dd28c359cc0ade6be6d616d2