[INFO] fetching crate mica-language 0.5.0... [INFO] testing mica-language-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate mica-language 0.5.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate mica-language 0.5.0 [INFO] finished tweaking crates.io crate mica-language 0.5.0 [INFO] tweaked toml for crates.io crate mica-language 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mica-language 0.5.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.15.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c0cde195d415bcb1adafab0a58ce2b305497b87cd5217266ebe03b3198117c4f [INFO] running `Command { std: "docker" "start" "-a" "c0cde195d415bcb1adafab0a58ce2b305497b87cd5217266ebe03b3198117c4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0cde195d415bcb1adafab0a58ce2b305497b87cd5217266ebe03b3198117c4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0cde195d415bcb1adafab0a58ce2b305497b87cd5217266ebe03b3198117c4f", kill_on_drop: false }` [INFO] [stdout] c0cde195d415bcb1adafab0a58ce2b305497b87cd5217266ebe03b3198117c4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 7a1a95e6a481f9db554de48c28602f50ae2ff7bc0ffe1f457b435a0cd61ca48e [INFO] running `Command { std: "docker" "start" "-a" "7a1a95e6a481f9db554de48c28602f50ae2ff7bc0ffe1f457b435a0cd61ca48e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling mica-language v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stdout] warning: unexpected `cfg` condition name: `mica_enable_nan_boxing` [INFO] [stdout] --> src/value/impls/mod.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(mica_enable_nan_boxing)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mica_enable_nan_boxing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mica_enable_nan_boxing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mica_enable_nan_boxing` [INFO] [stdout] --> src/value/impls/mod.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | #[cfg(mica_enable_nan_boxing)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mica_enable_nan_boxing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mica_enable_nan_boxing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mica_enable_nan_boxing` [INFO] [stdout] --> src/value/impls/mod.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(not(mica_enable_nan_boxing))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mica_enable_nan_boxing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mica_enable_nan_boxing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ValueImpl` is never used [INFO] [stdout] --> src/value/impls/portable.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum ValueImpl { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ValueImpl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/value/impls/nanbox.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | Self(unsafe { std::mem::transmute(f) }) [INFO] [stdout] | -------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/value/structs.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | *(*self.fields.get()).get_unchecked(index) [INFO] [stdout] | ^^-----------------^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Vec` [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: `&[RawValue]` [INFO] [stdout] --> src/value/structs.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | *(*self.fields.get()).get_unchecked(index) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked` require a reference [INFO] [stdout] --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/slice/mod.rs:636:5 [INFO] [stdout] = note: `#[deny(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] 69 | *(&(*self.fields.get())).get_unchecked(index) [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/value/structs.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | *(*self.fields.get()).get_unchecked_mut(index) = value; [INFO] [stdout] | ^^-----------------^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Vec` [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: `&mut [RawValue]` [INFO] [stdout] --> src/value/structs.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | *(*self.fields.get()).get_unchecked_mut(index) = value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference [INFO] [stdout] --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/slice/mod.rs:680:5 [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 77 | *(&mut (*self.fields.get())).get_unchecked_mut(index) = value; [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mica-language` (lib) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7a1a95e6a481f9db554de48c28602f50ae2ff7bc0ffe1f457b435a0cd61ca48e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a1a95e6a481f9db554de48c28602f50ae2ff7bc0ffe1f457b435a0cd61ca48e", kill_on_drop: false }` [INFO] [stdout] 7a1a95e6a481f9db554de48c28602f50ae2ff7bc0ffe1f457b435a0cd61ca48e