[INFO] fetching crate mica-std 0.5.0...
[INFO] checking mica-std-0.5.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mica-std 0.5.0 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mica-std 0.5.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0300ef5e5056d2cbdd897f070de2ee09b2acb08420c584749ddc2d1282293d0b
[INFO] running `Command { std: "docker" "start" "-a" "0300ef5e5056d2cbdd897f070de2ee09b2acb08420c584749ddc2d1282293d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0300ef5e5056d2cbdd897f070de2ee09b2acb08420c584749ddc2d1282293d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0300ef5e5056d2cbdd897f070de2ee09b2acb08420c584749ddc2d1282293d0b", kill_on_drop: false }`
[INFO] [stdout] 0300ef5e5056d2cbdd897f070de2ee09b2acb08420c584749ddc2d1282293d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2c152c7a030c2c3f01c170d00921fbdb9c762fe3991f8e02ba3e1390ab12fe
[INFO] running `Command { std: "docker" "start" "-a" "6d2c152c7a030c2c3f01c170d00921fbdb9c762fe3991f8e02ba3e1390ab12fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking cfg-if v1.0.3
[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 4.78s
[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" "6d2c152c7a030c2c3f01c170d00921fbdb9c762fe3991f8e02ba3e1390ab12fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2c152c7a030c2c3f01c170d00921fbdb9c762fe3991f8e02ba3e1390ab12fe", kill_on_drop: false }`
[INFO] [stdout] 6d2c152c7a030c2c3f01c170d00921fbdb9c762fe3991f8e02ba3e1390ab12fe