[INFO] fetching crate mica-std 0.5.0...
[INFO] checking mica-std-0.5.0 against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] extracting crate mica-std 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mica-std 0.5.0
[INFO] finished tweaking crates.io crate mica-std 0.5.0
[INFO] tweaked toml for crates.io crate mica-std 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mica-std 0.5.0 on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mica-hl v0.5.0
[INFO] [stderr]   Downloaded mica-language v0.5.0
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a13883b1c106e46302a2346306390bb7d99b9681af9c3e0990f6fe6b961a2f32
[INFO] running `Command { std: "docker" "start" "-a" "a13883b1c106e46302a2346306390bb7d99b9681af9c3e0990f6fe6b961a2f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13883b1c106e46302a2346306390bb7d99b9681af9c3e0990f6fe6b961a2f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13883b1c106e46302a2346306390bb7d99b9681af9c3e0990f6fe6b961a2f32", kill_on_drop: false }`
[INFO] [stdout] a13883b1c106e46302a2346306390bb7d99b9681af9c3e0990f6fe6b961a2f32
[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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb14627e8ad4418a5085c1c6ef8b527bf902413346312cfe1a0521c3d759f5f
[INFO] running `Command { std: "docker" "start" "-a" "9fb14627e8ad4418a5085c1c6ef8b527bf902413346312cfe1a0521c3d759f5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling mica-language v0.5.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking mica-hl v0.5.0
[INFO] [stderr]     Checking mica-std v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/iterators/counters.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub(crate) fn load_counters(engine: &mut Engine) -> Result<(), mica_hl::Error> {
[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 `!: TryFromValue` will fail
[INFO] [stdout]   --> src/iterators/counters.rs:95:67
[INFO] [stdout]    |
[INFO] [stdout] 95 |    engine.start("mstd-counters.mi", include_str!("counters.mi"))?.trampoline()?;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 95 |    engine.start("mstd-counters.mi", include_str!("counters.mi"))?.trampoline::<()>()?;
[INFO] [stdout]    |                                                                             ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/iterators/counters.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub(crate) fn load_counters(engine: &mut Engine) -> Result<(), mica_hl::Error> {
[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 `!: TryFromValue` will fail
[INFO] [stdout]   --> src/iterators/counters.rs:95:67
[INFO] [stdout]    |
[INFO] [stdout] 95 |    engine.start("mstd-counters.mi", include_str!("counters.mi"))?.trampoline()?;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 95 |    engine.start("mstd-counters.mi", include_str!("counters.mi"))?.trampoline::<()>()?;
[INFO] [stdout]    |                                                                             ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.88s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mica-std v0.5.0 (/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" "9fb14627e8ad4418a5085c1c6ef8b527bf902413346312cfe1a0521c3d759f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb14627e8ad4418a5085c1c6ef8b527bf902413346312cfe1a0521c3d759f5f", kill_on_drop: false }`
[INFO] [stdout] 9fb14627e8ad4418a5085c1c6ef8b527bf902413346312cfe1a0521c3d759f5f