[INFO] fetching crate piccolo 0.3.3... [INFO] testing piccolo-0.3.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate piccolo 0.3.3 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate piccolo 0.3.3 [INFO] finished tweaking crates.io crate piccolo 0.3.3 [INFO] tweaked toml for crates.io crate piccolo 0.3.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate piccolo 0.3.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate piccolo 0.3.3 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 365ed4b16ad5ee7ed2fec51be2f5c5d983868b89d23ed870b773073e53729943 [INFO] running `Command { std: "docker" "start" "-a" "365ed4b16ad5ee7ed2fec51be2f5c5d983868b89d23ed870b773073e53729943", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "365ed4b16ad5ee7ed2fec51be2f5c5d983868b89d23ed870b773073e53729943", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "365ed4b16ad5ee7ed2fec51be2f5c5d983868b89d23ed870b773073e53729943", kill_on_drop: false }` [INFO] [stdout] 365ed4b16ad5ee7ed2fec51be2f5c5d983868b89d23ed870b773073e53729943 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87e332dc3e4b1d4a3e9273e07f9641322a57f890cb01b1ae37f660d10d108aa7 [INFO] running `Command { std: "docker" "start" "-a" "87e332dc3e4b1d4a3e9273e07f9641322a57f890cb01b1ae37f660d10d108aa7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling zerocopy v0.7.34 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling allocator-api2 v0.2.18 [INFO] [stderr] Compiling sptr v0.3.2 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling gc-arena-derive v0.5.3 [INFO] [stderr] Compiling gc-arena v0.5.3 [INFO] [stderr] Compiling piccolo v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/conversion.rs:221:28 [INFO] [stdout] | [INFO] [stdout] 221 | if let Ok(i) = <$i>::try_from(i) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 240 | impl_int_from!(i64, u64, i32, u32, i16, u16, i8, u8); [INFO] [stdout] | ---------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_int_from` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/stack.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | &mut self, [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 79 | range: R, [INFO] [stdout] 80 | ) -> vec::Drain, MetricsAlloc<'gc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | ) -> vec::Drain<'_, Value<'gc>, MetricsAlloc<'gc>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/string.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stdout] | ^^---^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*const [u8]` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]` [INFO] [stdout] --> src/string.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] note: method calls to `len` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:114:5 [INFO] [stdout] = note: `#[warn(dangerous_implicit_autorefs)]` on by default [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((&(*ptr)).len()); [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/thread/thread.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 209 | ) -> Result>, BadThreadMode> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 209 | ) -> Result>, BadThreadMode> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.34s [INFO] running `Command { std: "docker" "inspect" "87e332dc3e4b1d4a3e9273e07f9641322a57f890cb01b1ae37f660d10d108aa7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87e332dc3e4b1d4a3e9273e07f9641322a57f890cb01b1ae37f660d10d108aa7", kill_on_drop: false }` [INFO] [stdout] 87e332dc3e4b1d4a3e9273e07f9641322a57f890cb01b1ae37f660d10d108aa7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bae40f0e03d49cf9dc2a0ac0d696fcafc210fecf59a3484f76c5118fb1eb7057 [INFO] running `Command { std: "docker" "start" "-a" "bae40f0e03d49cf9dc2a0ac0d696fcafc210fecf59a3484f76c5118fb1eb7057", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.0 [INFO] [stderr] Compiling anstyle v1.0.7 [INFO] [stderr] Compiling anstyle-query v1.1.0 [INFO] [stderr] Compiling colorchoice v1.0.1 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling clap_lex v0.7.1 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling anstyle-parse v0.2.4 [INFO] [stderr] Compiling unicode-width v0.1.13 [INFO] [stderr] Compiling nibble_vec v0.1.0 [INFO] [stderr] Compiling anstream v0.6.14 [INFO] [stderr] Compiling radix_trie v0.2.1 [INFO] [stderr] Compiling clap_builder v4.5.7 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling fd-lock v4.0.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling gc-arena v0.5.3 [INFO] [stderr] Compiling clap v4.5.7 [INFO] [stderr] Compiling piccolo v0.3.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rustyline v14.0.0 [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/conversion.rs:221:28 [INFO] [stdout] | [INFO] [stdout] 221 | if let Ok(i) = <$i>::try_from(i) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 240 | impl_int_from!(i64, u64, i32, u32, i16, u16, i8, u8); [INFO] [stdout] | ---------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_int_from` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/stack.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | &mut self, [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 79 | range: R, [INFO] [stdout] 80 | ) -> vec::Drain, MetricsAlloc<'gc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | ) -> vec::Drain<'_, Value<'gc>, MetricsAlloc<'gc>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/string.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stdout] | ^^---^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*const [u8]` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]` [INFO] [stdout] --> src/string.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] note: method calls to `len` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:114:5 [INFO] [stdout] = note: `#[warn(dangerous_implicit_autorefs)]` on by default [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((&(*ptr)).len()); [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/thread/thread.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 209 | ) -> Result>, BadThreadMode> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 209 | ) -> Result>, BadThreadMode> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/conversion.rs:221:28 [INFO] [stdout] | [INFO] [stdout] 221 | if let Ok(i) = <$i>::try_from(i) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 240 | impl_int_from!(i64, u64, i32, u32, i16, u16, i8, u8); [INFO] [stdout] | ---------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_int_from` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/stack.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | &mut self, [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 79 | range: R, [INFO] [stdout] 80 | ) -> vec::Drain, MetricsAlloc<'gc>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | ) -> vec::Drain<'_, Value<'gc>, MetricsAlloc<'gc>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/string.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stdout] | ^^---^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*const [u8]` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]` [INFO] [stdout] --> src/string.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] note: method calls to `len` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:114:5 [INFO] [stdout] = note: `#[warn(dangerous_implicit_autorefs)]` on by default [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 55 | self.metrics.mark_external_deallocation((&(*ptr)).len()); [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/thread/thread.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 209 | ) -> Result>, BadThreadMode> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 209 | ) -> Result>, BadThreadMode> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> examples/interpreter.rs:89:1 [INFO] [stdout] | [INFO] [stdout] 89 | fn main() -> Result<(), Box> { [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 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromValue<'_>` will fail [INFO] [stdout] --> examples/interpreter.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | lua.execute(&executor)?; [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] 117 | lua.execute::<()>(&executor)?; [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 25.15s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: piccolo v0.3.3 (/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 2` [INFO] running `Command { std: "docker" "inspect" "bae40f0e03d49cf9dc2a0ac0d696fcafc210fecf59a3484f76c5118fb1eb7057", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bae40f0e03d49cf9dc2a0ac0d696fcafc210fecf59a3484f76c5118fb1eb7057", kill_on_drop: false }` [INFO] [stdout] bae40f0e03d49cf9dc2a0ac0d696fcafc210fecf59a3484f76c5118fb1eb7057 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 674206a6ff36c8fc6682767a59e7ed8cad25c8b67b934d2f958cc4277edffff4 [INFO] running `Command { std: "docker" "start" "-a" "674206a6ff36c8fc6682767a59e7ed8cad25c8b67b934d2f958cc4277edffff4", kill_on_drop: false }` [INFO] [stderr] warning: irrefutable `if let` pattern [INFO] [stderr] --> src/conversion.rs:221:28 [INFO] [stderr] | [INFO] [stderr] 221 | if let Ok(i) = <$i>::try_from(i) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 240 | impl_int_from!(i64, u64, i32, u32, i16, u16, i8, u8); [INFO] [stderr] | ---------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this pattern will always match, so the `if let` is useless [INFO] [stderr] = help: consider replacing the `if let` with a `let` [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] = note: this warning originates in the macro `impl_int_from` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/stack.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | &mut self, [INFO] [stderr] | ^^^^^^^^^ the lifetime is elided here [INFO] [stderr] 79 | range: R, [INFO] [stderr] 80 | ) -> vec::Drain, MetricsAlloc<'gc>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 80 | ) -> vec::Drain<'_, Value<'gc>, MetricsAlloc<'gc>> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stderr] --> src/string.rs:55:65 [INFO] [stderr] | [INFO] [stderr] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stderr] | ^^---^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this raw pointer has type `*const [u8]` [INFO] [stderr] | [INFO] [stderr] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&[u8]` [INFO] [stderr] --> src/string.rs:55:65 [INFO] [stderr] | [INFO] [stderr] 55 | self.metrics.mark_external_deallocation((*ptr).len()); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] note: method calls to `len` require a reference [INFO] [stderr] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:114:5 [INFO] [stderr] = note: `#[warn(dangerous_implicit_autorefs)]` on by default [INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stderr] | [INFO] [stderr] 55 | self.metrics.mark_external_deallocation((&(*ptr)).len()); [INFO] [stderr] | ++ + [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/thread/thread.rs:206:9 [INFO] [stderr] | [INFO] [stderr] 206 | &self, [INFO] [stderr] | ^^^^^ the lifetime is elided here [INFO] [stderr] ... [INFO] [stderr] 209 | ) -> Result>, BadThreadMode> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 209 | ) -> Result>, BadThreadMode> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `piccolo` (lib) generated 4 warnings (run `cargo fix --lib -p piccolo` to apply 2 suggestions) [INFO] [stderr] warning: this function depends on never type fallback being `()` [INFO] [stderr] --> examples/interpreter.rs:89:1 [INFO] [stderr] | [INFO] [stderr] 89 | fn main() -> Result<(), Box> { [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 [INFO] [stderr] = help: specify the types explicitly [INFO] [stderr] note: in edition 2024, the requirement `!: FromValue<'_>` will fail [INFO] [stderr] --> examples/interpreter.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | lua.execute(&executor)?; [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] 117 | lua.execute::<()>(&executor)?; [INFO] [stderr] | ++++++ [INFO] [stderr] [INFO] [stderr] warning: `piccolo` (example "interpreter") generated 1 warning (run `cargo fix --example "interpreter"` to apply 1 suggestion) [INFO] [stderr] warning: `piccolo` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: piccolo v0.3.3 (/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 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/piccolo-71b7329db4c8f4fd) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test any::tests::test_any_value ... ok [INFO] [stdout] test compiler::lexer::tests::long_string ... ok [INFO] [stdout] test compiler::lexer::tests::numerals ... ok [INFO] [stdout] test compiler::lexer::tests::ops ... ok [INFO] [stdout] test compiler::lexer::tests::short_string ... ok [INFO] [stdout] test compiler::lexer::tests::comments ... ok [INFO] [stdout] test io::tests::test_skip_prefix ... ok [INFO] [stderr] Running tests/callback.rs (/opt/rustwide/target/debug/deps/callback-e875bf4582fc2e53) [INFO] [stdout] test compiler::lexer::tests::words ... ok [INFO] [stdout] test string::tests::test_string_header ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test resume_with_err ... ok [INFO] [stdout] test tail_call_trivial_callback ... ok [INFO] [stdout] test callback ... ok [INFO] [stdout] test loopy_callback ... ok [INFO] [stdout] test yield_sequence ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/conversion.rs (/opt/rustwide/target/debug/deps/conversion-ebd678b8454c26b2) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_conversions ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/error.rs (/opt/rustwide/target/debug/deps/error-bca6674443b4cfd6) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test sizes::test_sizes ... ok [INFO] [stdout] test error_unwind ... ok [INFO] [stdout] test error_tostring ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/fuel.rs (/opt/rustwide/target/debug/deps/fuel-56ce485e5efdba14) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_interrupt ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/function.rs (/opt/rustwide/target/debug/deps/function-6f1845edba018d84) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test function_compose_bind ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/scripts.rs (/opt/rustwide/target/debug/deps/scripts-7a6b6903599f8e7a) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] running all test scripts in "./tests/scripts" [INFO] [stdout] running "./tests/scripts/tailcall.lua" [INFO] [stdout] test table::test_table_iter ... ok [INFO] [stdout] running "./tests/scripts/scope.lua" [INFO] [stdout] running "./tests/scripts/jumps_close_upvalues.lua" [INFO] [stdout] running "./tests/scripts/bit.lua" [INFO] [stdout] running "./tests/scripts/upvalues.lua" [INFO] [stdout] running "./tests/scripts/goto.lua" [INFO] [stdout] running "./tests/scripts/table.lua" [INFO] [stdout] running "./tests/scripts/coroutine.lua" [INFO] [stdout] running "./tests/scripts/basic.lua" [INFO] [stdout] running "./tests/scripts/pcall.lua" [INFO] [stdout] running "./tests/scripts/if.lua" [INFO] [stdout] running "./tests/scripts/math.lua" [INFO] [stdout] running "./tests/scripts/metaeq.lua" [INFO] [stdout] running "./tests/scripts/select.lua" [INFO] [stdout] running "./tests/scripts/function.lua" [INFO] [stdout] running "./tests/scripts/function_assign.lua" [INFO] [stdout] running "./tests/scripts/methods.lua" [INFO] [stdout] running "./tests/scripts/pairs.lua" [INFO] [stdout] running "./tests/scripts/next.lua" [INFO] [stdout] running "./tests/scripts/expression_order.lua" [INFO] [stdout] running "./tests/scripts/string.lua" [INFO] [stdout] running "./tests/scripts/for.lua" [INFO] [stdout] running "./tests/scripts/metaindex.lua" [INFO] [stdout] running "./tests/scripts/while.lua" [INFO] [stdout] running "./tests/scripts/type.lua" [INFO] [stdout] running "./tests/scripts/environment.lua" [INFO] [stdout] running "./tests/scripts/recursion.lua" [INFO] [stdout] running "./tests/scripts/varargs.lua" [INFO] [stdout] running "./tests/scripts/multi.lua" [INFO] [stdout] running "./tests/scripts/metacall.lua" [INFO] [stdout] running "./tests/scripts/operators.lua" [INFO] [stdout] running "./tests/scripts/repeat.lua" [INFO] [stdout] test test_scripts ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s [INFO] [stdout] [INFO] [stderr] Running tests/sizes.rs (/opt/rustwide/target/debug/deps/sizes-910aa5a0b9f30389) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_sizes ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/table.rs (/opt/rustwide/target/debug/deps/table-42c18dae2237786f) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_table_iter ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/tail_call_stack_panic.rs (/opt/rustwide/target/debug/deps/tail_call_stack_panic-e8722a7e40c434b7) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tail_call_stack_panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/userdata.rs (/opt/rustwide/target/debug/deps/userdata-c4026f9115a17f7c) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test userdata ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/weak_threads.rs (/opt/rustwide/target/debug/deps/weak_threads-449fe70e713aba10) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test weak_threads_close ... ok [INFO] [stdout] test live_upvalues_not_dead ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests piccolo [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" "674206a6ff36c8fc6682767a59e7ed8cad25c8b67b934d2f958cc4277edffff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "674206a6ff36c8fc6682767a59e7ed8cad25c8b67b934d2f958cc4277edffff4", kill_on_drop: false }` [INFO] [stdout] 674206a6ff36c8fc6682767a59e7ed8cad25c8b67b934d2f958cc4277edffff4