[INFO] cloning repository https://github.com/lachlansneff/wjs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lachlansneff/wjs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e86b6e950ea87348c5463cab6a182b86bf71338 [INFO] checking lachlansneff/wjs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lachlansneff/wjs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lachlansneff/wjs [INFO] finished tweaking git repo https://github.com/lachlansneff/wjs [INFO] tweaked toml for git repo https://github.com/lachlansneff/wjs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lachlansneff/wjs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded swc_visit_macros v0.2.3 [INFO] [stderr] Downloaded swc_common v0.10.20 [INFO] [stderr] Downloaded ouroboros_macro v0.9.3 [INFO] [stderr] Downloaded ast_node v0.7.3 [INFO] [stderr] Downloaded swc_ecma_ast v0.45.0 [INFO] [stderr] Downloaded swc_ecma_visit v0.31.0 [INFO] [stderr] Downloaded ouroboros v0.9.3 [INFO] [stderr] Downloaded swc_ecma_parser v0.57.3 [INFO] [stderr] Downloaded swc_ecma_utils v0.36.0 [INFO] [stderr] Downloaded is-macro v0.1.9 [INFO] [stderr] Downloaded swc_atoms v0.2.6 [INFO] [stderr] Downloaded from_variant v0.1.3 [INFO] [stderr] Downloaded swc_eq_ignore_macros v0.1.0 [INFO] [stderr] Downloaded swc_macros_common v0.3.3 [INFO] [stderr] Downloaded swc_visit v0.2.4 [INFO] [stderr] Downloaded swc_ecmascript v0.36.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f358db8c78e0328424224676ec1c7ca521d734f71ab68b4d17f5458f0b863a00 [INFO] running `Command { std: "docker" "start" "-a" "f358db8c78e0328424224676ec1c7ca521d734f71ab68b4d17f5458f0b863a00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f358db8c78e0328424224676ec1c7ca521d734f71ab68b4d17f5458f0b863a00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f358db8c78e0328424224676ec1c7ca521d734f71ab68b4d17f5458f0b863a00", kill_on_drop: false }` [INFO] [stdout] f358db8c78e0328424224676ec1c7ca521d734f71ab68b4d17f5458f0b863a00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3dec7edea2846772c7d408f544e74dae816e137f4f3861b8d5f2d0449e66963a [INFO] running `Command { std: "docker" "start" "-a" "3dec7edea2846772c7d408f544e74dae816e137f4f3861b8d5f2d0449e66963a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.65 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling swc_atoms v0.2.6 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking wjs-derive v0.1.0 (/opt/rustwide/workdir/derive) [INFO] [stderr] Compiling pmutil v0.5.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling swc_macros_common v0.3.3 [INFO] [stderr] Compiling swc_visit_macros v0.2.3 [INFO] [stderr] Compiling from_variant v0.1.3 [INFO] [stderr] Compiling swc_eq_ignore_macros v0.1.0 [INFO] [stderr] Compiling string_enum v0.3.1 [INFO] [stderr] Compiling is-macro v0.1.9 [INFO] [stderr] Compiling enum_kind v0.2.1 [INFO] [stderr] Compiling ouroboros_macro v0.9.3 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking ouroboros v0.9.3 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Checking swc_visit v0.2.4 [INFO] [stderr] Compiling ast_node v0.7.3 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking swc_common v0.10.20 [INFO] [stderr] Checking swc_ecma_ast v0.45.0 [INFO] [stderr] Checking swc_ecma_visit v0.31.0 [INFO] [stderr] Checking swc_ecma_utils v0.36.0 [INFO] [stderr] Checking swc_ecma_parser v0.57.3 [INFO] [stderr] Checking swc_ecmascript v0.36.0 [INFO] [stderr] Checking wjs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `FnDecl`, `Ident`, `Node`, `Script`, `VisitWith`, `Visit`, and `self` [INFO] [stdout] --> src/compiler.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | ... Function, Ident, Script, Stmt, FnDecl}, parser::{self, Parser, StringInput, Syntax}, visit::{self, Node, Visit, VisitWith}}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^^ ^^^^ ^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/gc.rs:6:88 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{cell::Cell, marker::PhantomData, mem::{self, MaybeUninit}, ops::Range, ptr::{self, NonNull, addr_of_mut}}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CheckTypeId` [INFO] [stdout] --> src/gc.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | pub use type_id::{CompactTypeId, CheckTypeId}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FnDecl`, `Ident`, `Node`, `Script`, `VisitWith`, `Visit`, and `self` [INFO] [stdout] --> src/compiler.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | ... Function, Ident, Script, Stmt, FnDecl}, parser::{self, Parser, StringInput, Syntax}, visit::{self, Node, Visit, VisitWith}}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^^ ^^^^ ^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/gc.rs:6:88 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{cell::Cell, marker::PhantomData, mem::{self, MaybeUninit}, ops::Range, ptr::{self, NonNull, addr_of_mut}}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `func` [INFO] [stdout] --> src/compiler.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_func` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gc.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut new_page = Box::leak(new_page()); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `func` [INFO] [stdout] --> src/compiler.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_func` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/compiler.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Error(String); [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, 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: method `function` is never used [INFO] [stdout] --> src/compiler.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Compiler { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GcFlags` is never constructed [INFO] [stdout] --> src/gc/gc_ptr.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct GcFlags { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `try_type` is never used [INFO] [stdout] --> src/gc/gc_ptr.rs:96:12 [INFO] [stdout] | [INFO] [stdout] 88 | impl<'gc> GcPtr<'gc, ()> { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 96 | pub fn try_type(self) -> Result, IncorrectGcType> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CheckTypeId` is never used [INFO] [stdout] --> src/gc/type_id.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait CheckTypeId {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_smi`, `is_pointer`, `expect_smi`, and `expect_gc_ptr` are never used [INFO] [stdout] --> src/value.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl<'gc> JsValue<'gc> { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] 38 | #[inline] [INFO] [stdout] 39 | pub fn is_smi(self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn is_pointer(self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn expect_smi(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn expect_gc_ptr(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/vm.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct VM { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 14 | inner: VMInner, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `test` is never read [INFO] [stdout] --> src/vm.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Roots<'gc> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 18 | test: GcPtr<'gc, f64>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gc.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut new_page = Box::leak(new_page()); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/compiler.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Error(String); [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, 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: method `function` is never used [INFO] [stdout] --> src/compiler.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Compiler { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GcFlags` is never constructed [INFO] [stdout] --> src/gc/gc_ptr.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct GcFlags { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gc/gc_ptr.rs:204:25 [INFO] [stdout] | [INFO] [stdout] 204 | struct Foo<'gc>(Option>); [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CheckTypeId` is never used [INFO] [stdout] --> src/gc/type_id.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait CheckTypeId {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/vm.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct VM { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 14 | inner: VMInner, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `test` is never read [INFO] [stdout] --> src/vm.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Roots<'gc> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 18 | test: GcPtr<'gc, f64>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/gc/gc_ptr.rs:210:9 [INFO] [stdout] | [INFO] [stdout] 210 | drop(b); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `GcPtr<'_, gc_ptr::tests::test_nested_gc_ptr::Foo<'_>>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 210 - drop(b); [INFO] [stdout] 210 + let _ = b; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.72s [INFO] running `Command { std: "docker" "inspect" "3dec7edea2846772c7d408f544e74dae816e137f4f3861b8d5f2d0449e66963a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dec7edea2846772c7d408f544e74dae816e137f4f3861b8d5f2d0449e66963a", kill_on_drop: false }` [INFO] [stdout] 3dec7edea2846772c7d408f544e74dae816e137f4f3861b8d5f2d0449e66963a [INFO] checking lachlansneff/wjs against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lachlansneff/wjs on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lachlansneff/wjs [INFO] finished tweaking git repo https://github.com/lachlansneff/wjs [INFO] tweaked toml for git repo https://github.com/lachlansneff/wjs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lachlansneff/wjs 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11194a6d3310d38033be1890781c3cc28645a40b3d5dde4dc194090d15d493ec [INFO] running `Command { std: "docker" "start" "-a" "11194a6d3310d38033be1890781c3cc28645a40b3d5dde4dc194090d15d493ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11194a6d3310d38033be1890781c3cc28645a40b3d5dde4dc194090d15d493ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11194a6d3310d38033be1890781c3cc28645a40b3d5dde4dc194090d15d493ec", kill_on_drop: false }` [INFO] [stdout] 11194a6d3310d38033be1890781c3cc28645a40b3d5dde4dc194090d15d493ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 383416b6daa226b35dae29229612530f770dc4b1387ed8d776db939d3d9d5982 [INFO] running `Command { std: "docker" "start" "-a" "383416b6daa226b35dae29229612530f770dc4b1387ed8d776db939d3d9d5982", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.65 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling swc_atoms v0.2.6 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking wjs-derive v0.1.0 (/opt/rustwide/workdir/derive) [INFO] [stderr] Compiling pmutil v0.5.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling swc_macros_common v0.3.3 [INFO] [stderr] Compiling swc_visit_macros v0.2.3 [INFO] [stderr] Compiling swc_eq_ignore_macros v0.1.0 [INFO] [stderr] Compiling from_variant v0.1.3 [INFO] [stderr] Compiling is-macro v0.1.9 [INFO] [stderr] Compiling string_enum v0.3.1 [INFO] [stderr] Compiling enum_kind v0.2.1 [INFO] [stderr] Compiling ouroboros_macro v0.9.3 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking ouroboros v0.9.3 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling ast_node v0.7.3 [INFO] [stderr] Checking swc_visit v0.2.4 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking swc_common v0.10.20 [INFO] [stderr] Checking swc_ecma_ast v0.45.0 [INFO] [stderr] Checking swc_ecma_visit v0.31.0 [INFO] [stderr] Checking swc_ecma_parser v0.57.3 [INFO] [stderr] Checking swc_ecma_utils v0.36.0 [INFO] [stderr] Checking swc_ecmascript v0.36.0 [INFO] [stderr] Checking wjs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `FnDecl`, `Ident`, `Node`, `Script`, `VisitWith`, `Visit`, and `self` [INFO] [stdout] --> src/compiler.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | ... Function, Ident, Script, Stmt, FnDecl}, parser::{self, Parser, StringInput, Syntax}, visit::{self, Node, Visit, VisitWith}}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^^ ^^^^ ^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/gc.rs:6:88 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{cell::Cell, marker::PhantomData, mem::{self, MaybeUninit}, ops::Range, ptr::{self, NonNull, addr_of_mut}}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FnDecl`, `Ident`, `Node`, `Script`, `VisitWith`, `Visit`, and `self` [INFO] [stdout] --> src/compiler.rs:4:44 [INFO] [stdout] | [INFO] [stdout] 4 | ... Function, Ident, Script, Stmt, FnDecl}, parser::{self, Parser, StringInput, Syntax}, visit::{self, Node, Visit, VisitWith}}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^^ ^^^^ ^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/gc.rs:6:88 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{cell::Cell, marker::PhantomData, mem::{self, MaybeUninit}, ops::Range, ptr::{self, NonNull, addr_of_mut}}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CheckTypeId` [INFO] [stdout] --> src/gc.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | pub use type_id::{CompactTypeId, CheckTypeId}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `func` [INFO] [stdout] --> src/compiler.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_func` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gc.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut new_page = Box::leak(new_page()); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `func` [INFO] [stdout] --> src/compiler.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_func` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/compiler.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Error(String); [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, 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: method `function` is never used [INFO] [stdout] --> src/compiler.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Compiler { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GcFlags` is never constructed [INFO] [stdout] --> src/gc/gc_ptr.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct GcFlags { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `try_type` is never used [INFO] [stdout] --> src/gc/gc_ptr.rs:96:12 [INFO] [stdout] | [INFO] [stdout] 88 | impl<'gc> GcPtr<'gc, ()> { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 96 | pub fn try_type(self) -> Result, IncorrectGcType> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CheckTypeId` is never used [INFO] [stdout] --> src/gc/type_id.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait CheckTypeId {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_smi`, `is_pointer`, `expect_smi`, and `expect_gc_ptr` are never used [INFO] [stdout] --> src/value.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl<'gc> JsValue<'gc> { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] 38 | #[inline] [INFO] [stdout] 39 | pub fn is_smi(self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn is_pointer(self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn expect_smi(self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn expect_gc_ptr(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/vm.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct VM { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 14 | inner: VMInner, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `test` is never read [INFO] [stdout] --> src/vm.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Roots<'gc> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 18 | test: GcPtr<'gc, f64>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/compiler.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 10 | fn from(e: parser::error::Error) -> Self { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | Error(e.into_kind().msg().into_owned()) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gc.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut new_page = Box::leak(new_page()); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/compiler.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Error(String); [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, 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: method `function` is never used [INFO] [stdout] --> src/compiler.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Compiler { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn function(&mut self, func: &Function) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GcFlags` is never constructed [INFO] [stdout] --> src/gc/gc_ptr.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct GcFlags { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gc/gc_ptr.rs:204:25 [INFO] [stdout] | [INFO] [stdout] 204 | struct Foo<'gc>(Option>); [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CheckTypeId` is never used [INFO] [stdout] --> src/gc/type_id.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait CheckTypeId {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/vm.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct VM { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 14 | inner: VMInner, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `test` is never read [INFO] [stdout] --> src/vm.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Roots<'gc> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 18 | test: GcPtr<'gc, f64>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wjs` (bin "wjs") due to 2 previous errors; 13 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/compiler.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 10 | fn from(e: parser::error::Error) -> Self { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | Error(e.into_kind().msg().into_owned()) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/gc/gc_ptr.rs:210:9 [INFO] [stdout] | [INFO] [stdout] 210 | drop(b); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `GcPtr<'_, gc_ptr::tests::test_nested_gc_ptr::Foo<'_>>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 210 - drop(b); [INFO] [stdout] 210 + let _ = b; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wjs` (bin "wjs" test) due to 2 previous errors; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "383416b6daa226b35dae29229612530f770dc4b1387ed8d776db939d3d9d5982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "383416b6daa226b35dae29229612530f770dc4b1387ed8d776db939d3d9d5982", kill_on_drop: false }` [INFO] [stdout] 383416b6daa226b35dae29229612530f770dc4b1387ed8d776db939d3d9d5982