[INFO] fetching crate sdshout 0.1.0...
[INFO] testing sdshout-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate sdshout 0.1.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sdshout 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5271353831b478b5fb7413c88e484d32926568577058c4ed5cc14f85756ce449
[INFO] running `Command { std: "docker" "start" "-a" "5271353831b478b5fb7413c88e484d32926568577058c4ed5cc14f85756ce449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5271353831b478b5fb7413c88e484d32926568577058c4ed5cc14f85756ce449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5271353831b478b5fb7413c88e484d32926568577058c4ed5cc14f85756ce449", kill_on_drop: false }`
[INFO] [stdout] 5271353831b478b5fb7413c88e484d32926568577058c4ed5cc14f85756ce449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13fe51412e13e55a6d63c608437abdef010806c270c9abc24981c94f2340b2f9
[INFO] running `Command { std: "docker" "start" "-a" "13fe51412e13e55a6d63c608437abdef010806c270c9abc24981c94f2340b2f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.30
[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] warning: 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]    = 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]    = 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]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sdshout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "13fe51412e13e55a6d63c608437abdef010806c270c9abc24981c94f2340b2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fe51412e13e55a6d63c608437abdef010806c270c9abc24981c94f2340b2f9", kill_on_drop: false }`
[INFO] [stdout] 13fe51412e13e55a6d63c608437abdef010806c270c9abc24981c94f2340b2f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a31fcc66e9db1a0990e71242847ad4f21a2f8852b961043ab086a9e97a491a
[INFO] running `Command { std: "docker" "start" "-a" "d7a31fcc66e9db1a0990e71242847ad4f21a2f8852b961043ab086a9e97a491a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdshout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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]    = 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]    = 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]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sdshout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d7a31fcc66e9db1a0990e71242847ad4f21a2f8852b961043ab086a9e97a491a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a31fcc66e9db1a0990e71242847ad4f21a2f8852b961043ab086a9e97a491a", kill_on_drop: false }`
[INFO] [stdout] d7a31fcc66e9db1a0990e71242847ad4f21a2f8852b961043ab086a9e97a491a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 047d36540b592e2cc8576ba565a6adba1813bb2917d6c5c837b0ef0ea1edc954
[INFO] running `Command { std: "docker" "start" "-a" "047d36540b592e2cc8576ba565a6adba1813bb2917d6c5c837b0ef0ea1edc954", kill_on_drop: false }`
[INFO] [stderr] warning: this function depends on never type fallback being `()`
[INFO] [stderr]   --> src/watch.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub fn watch_units(notify_cb: fn(&str, &str)) -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = 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] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stderr]    = help: specify the types explicitly
[INFO] [stderr] note: in edition 2024, the requirement `!: ReadAll` will fail
[INFO] [stderr]   --> src/watch.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .method_call("org.freedesktop.systemd1.Manager", "Subscribe", ())
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] help: use `()` annotations to avoid fallback changes
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .method_call::<(), _, _, _>("org.freedesktop.systemd1.Manager", "Subscribe", ())
[INFO] [stderr]    |                     +++++++++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `sdshout` (bin "sdshout" test) generated 1 warning (run `cargo fix --bin "sdshout" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sdshout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sdshout-892c4e3e8a76f2ca)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "047d36540b592e2cc8576ba565a6adba1813bb2917d6c5c837b0ef0ea1edc954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047d36540b592e2cc8576ba565a6adba1813bb2917d6c5c837b0ef0ea1edc954", kill_on_drop: false }`
[INFO] [stdout] 047d36540b592e2cc8576ba565a6adba1813bb2917d6c5c837b0ef0ea1edc954