[INFO] fetching crate sdshout 0.1.0...
[INFO] testing sdshout-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate sdshout 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate sdshout 0.1.0
[INFO] finished tweaking crates.io crate sdshout 0.1.0
[INFO] tweaked toml for crates.io crate sdshout 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sdshout 0.1.0 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] crate crates.io crate sdshout 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d93c18f774e86a50d2333bdd714028240a40fc1d921d97fc2bfeddb74eecbf15
[INFO] running `Command { std: "docker" "start" "-a" "d93c18f774e86a50d2333bdd714028240a40fc1d921d97fc2bfeddb74eecbf15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93c18f774e86a50d2333bdd714028240a40fc1d921d97fc2bfeddb74eecbf15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93c18f774e86a50d2333bdd714028240a40fc1d921d97fc2bfeddb74eecbf15", kill_on_drop: false }`
[INFO] [stdout] d93c18f774e86a50d2333bdd714028240a40fc1d921d97fc2bfeddb74eecbf15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 30d86ba03398f5faa5fdd21c8ba9a297fdce964ace0bde04821843f07b7560d4
[INFO] running `Command { std: "docker" "start" "-a" "30d86ba03398f5faa5fdd21c8ba9a297fdce964ace0bde04821843f07b7560d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]    Compiling dbus v0.9.7
[INFO] [stderr]    Compiling sdshout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/watch.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub fn watch_units(notify_cb: fn(&str, &str)) -> Result<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: ReadAll` will fail
[INFO] [stdout]   --> src/watch.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .method_call("org.freedesktop.systemd1.Manager", "Subscribe", ())
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .method_call::<(), _, _, _>("org.freedesktop.systemd1.Manager", "Subscribe", ())
[INFO] [stdout]    |                     +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdshout` (bin "sdshout") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "30d86ba03398f5faa5fdd21c8ba9a297fdce964ace0bde04821843f07b7560d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d86ba03398f5faa5fdd21c8ba9a297fdce964ace0bde04821843f07b7560d4", kill_on_drop: false }`
[INFO] [stdout] 30d86ba03398f5faa5fdd21c8ba9a297fdce964ace0bde04821843f07b7560d4