[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#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lachlansneff/wjs on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-7-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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a80a05fef03189a2ad51f01adf76665ece16310ee81dd2ce8e848d4f9a5a1e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80a05fef03189a2ad51f01adf76665ece16310ee81dd2ce8e848d4f9a5a1e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80a05fef03189a2ad51f01adf76665ece16310ee81dd2ce8e848d4f9a5a1e46", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de445dfad7446d6f17e9dbc59f6eebcf1547d77c862b810665b440754be80d96
[INFO] running `Command { std: "docker" "start" "-a" "de445dfad7446d6f17e9dbc59f6eebcf1547d77c862b810665b440754be80d96", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling libc v0.2.95
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[INFO] [stderr]    Compiling serde v1.0.126
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[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
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[INFO] [stderr]     Checking smallvec v1.6.1
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[INFO] [stderr]     Checking quote v1.0.9
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[INFO] [stderr]     Checking wjs-derive v0.1.0 (/opt/rustwide/workdir/derive)
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[INFO] [stderr]    Compiling ast_node v0.7.3
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[INFO] [stderr]     Checking string_cache v0.8.1
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[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`, `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`, `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: 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: 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]   = 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Error(());
[INFO] [stdout]   |                  ~~
[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<GcPtr<'gc, Self>>);
[INFO] [stdout]     |                ---      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 204 |         struct Foo<'gc>(());
[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: 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]   = 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Error(());
[INFO] [stdout]   |                  ~~
[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<T: CompactTypeId>(self) -> Result<GcPtr<'gc, T>, IncorrectGcType> {
[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<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn expect_gc_ptr(self) -> Option<GcPtr<'gc, ()>> {
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.63s
[INFO] running `Command { std: "docker" "inspect" "de445dfad7446d6f17e9dbc59f6eebcf1547d77c862b810665b440754be80d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de445dfad7446d6f17e9dbc59f6eebcf1547d77c862b810665b440754be80d96", kill_on_drop: false }`
[INFO] [stdout] de445dfad7446d6f17e9dbc59f6eebcf1547d77c862b810665b440754be80d96
