[INFO] fetching crate ein-ffi 0.6.0... [INFO] testing ein-ffi-0.6.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate ein-ffi 0.6.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate ein-ffi 0.6.0 [INFO] finished tweaking crates.io crate ein-ffi 0.6.0 [INFO] tweaked toml for crates.io crate ein-ffi 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ein-ffi 0.6.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e4111f89c3ff4f1bd58bfa798dcb1b4a2af8b06f7597a240378783cf8ceb7f1 [INFO] running `Command { std: "docker" "start" "-a" "4e4111f89c3ff4f1bd58bfa798dcb1b4a2af8b06f7597a240378783cf8ceb7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e4111f89c3ff4f1bd58bfa798dcb1b4a2af8b06f7597a240378783cf8ceb7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e4111f89c3ff4f1bd58bfa798dcb1b4a2af8b06f7597a240378783cf8ceb7f1", kill_on_drop: false }` [INFO] [stdout] 4e4111f89c3ff4f1bd58bfa798dcb1b4a2af8b06f7597a240378783cf8ceb7f1 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 462cce16dc5bbf6c09bde2dcc1031101ff840a5e6e06e249911f4dd3560cf11c [INFO] running `Command { std: "docker" "start" "-a" "462cce16dc5bbf6c09bde2dcc1031101ff840a5e6e06e249911f4dd3560cf11c", kill_on_drop: false }` [INFO] [stderr] Compiling ein-ffi v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] error: calling this function with a null pointer is undefined behavior, even if the result of the function is unused [INFO] [stdout] --> src/arc/arc_buffer.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | std::slice::from_raw_parts(null(), 0) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^------^^^^ [INFO] [stdout] | | [INFO] [stdout] | null pointer originates from here [INFO] [stdout] | [INFO] [stdout] = help: for more information, visit and [INFO] [stdout] = note: `#[deny(invalid_null_arguments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: calling this function with a null pointer is undefined behavior, even if the result of the function is unused [INFO] [stdout] --> src/arc/arc_buffer.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | std::slice::from_raw_parts_mut(null_mut(), 0) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------^^^^ [INFO] [stdout] | | [INFO] [stdout] | null pointer originates from here [INFO] [stdout] | [INFO] [stdout] = help: for more information, visit and [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ein-ffi` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "462cce16dc5bbf6c09bde2dcc1031101ff840a5e6e06e249911f4dd3560cf11c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "462cce16dc5bbf6c09bde2dcc1031101ff840a5e6e06e249911f4dd3560cf11c", kill_on_drop: false }` [INFO] [stdout] 462cce16dc5bbf6c09bde2dcc1031101ff840a5e6e06e249911f4dd3560cf11c