[INFO] fetching crate mica-language 0.5.0...
[INFO] testing mica-language-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate mica-language 0.5.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mica-language 0.5.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70d26052b8b4d05749aa3f052cd5d8fd7061c3c8b3e29afe52f948bc7c0f11d4
[INFO] running `Command { std: "docker" "start" "-a" "70d26052b8b4d05749aa3f052cd5d8fd7061c3c8b3e29afe52f948bc7c0f11d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d26052b8b4d05749aa3f052cd5d8fd7061c3c8b3e29afe52f948bc7c0f11d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d26052b8b4d05749aa3f052cd5d8fd7061c3c8b3e29afe52f948bc7c0f11d4", kill_on_drop: false }`
[INFO] [stdout] 70d26052b8b4d05749aa3f052cd5d8fd7061c3c8b3e29afe52f948bc7c0f11d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd0ba2ec89d3dc4ee7989e1c34fb101b26e80e2b1f38f4ec1077a74f05e35d0
[INFO] running `Command { std: "docker" "start" "-a" "2dd0ba2ec89d3dc4ee7989e1c34fb101b26e80e2b1f38f4ec1077a74f05e35d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mica-language v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ahash v0.7.8
[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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<RawValue>`
[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/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/slice/mod.rs:637:4
[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<RawValue>`
[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/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/slice/mod.rs:682:4
[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" "2dd0ba2ec89d3dc4ee7989e1c34fb101b26e80e2b1f38f4ec1077a74f05e35d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd0ba2ec89d3dc4ee7989e1c34fb101b26e80e2b1f38f4ec1077a74f05e35d0", kill_on_drop: false }`
[INFO] [stdout] 2dd0ba2ec89d3dc4ee7989e1c34fb101b26e80e2b1f38f4ec1077a74f05e35d0
