[INFO] fetching crate boa_engine 0.20.0...
[INFO] checking boa_engine-0.20.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate boa_engine 0.20.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate boa_engine 0.20.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate boa_engine 0.20.0
[INFO] tweaked toml for crates.io crate boa_engine 0.20.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate boa_engine 0.20.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 240 packages to latest compatible versions
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[INFO] [stderr]       Adding yoke v0.7.5 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db04e00d3803bf42d0b17e57142b0856182f3303b120027a01d9a67979c87d7a
[INFO] running `Command { std: "docker" "start" "-a" "db04e00d3803bf42d0b17e57142b0856182f3303b120027a01d9a67979c87d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db04e00d3803bf42d0b17e57142b0856182f3303b120027a01d9a67979c87d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db04e00d3803bf42d0b17e57142b0856182f3303b120027a01d9a67979c87d7a", kill_on_drop: false }`
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[INFO] [stdout] 2dfe3bd6e9ac464367fe022c45d7ce734395493f1de3bf1a266aa87720119762
[INFO] running `Command { std: "docker" "start" "-a" "2dfe3bd6e9ac464367fe022c45d7ce734395493f1de3bf1a266aa87720119762", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]   --> src/builtins/array_buffer/shared.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sptr::Strict;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]    = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]   --> src/builtins/array_buffer/utils.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         use sptr::Strict;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]    --> src/builtins/array_buffer/utils.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |         use sptr::Strict;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]  --> src/tagged.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sptr::Strict;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]    --> src/builtins/atomics/futex.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | use sptr::Strict;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrderedHashMap` is never constructed
[INFO] [stdout]   --> src/object/property_map.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct OrderedHashMap<K: Trace>(IndexMap<K, PropertyDescriptor, BuildHasherDefault<FxHasher>>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-W dead-code` implied by `-W unused`
[INFO] [stdout]    = help: to override `-W unused` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/object/jsobject.rs:752:9
[INFO] [stdout]     |
[INFO] [stdout] 752 |         self.inner.vtable.__call__ != ORDINARY_INTERNAL_METHODS.__call__
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 752 -         self.inner.vtable.__call__ != ORDINARY_INTERNAL_METHODS.__call__
[INFO] [stdout] 752 +         !std::ptr::fn_addr_eq(self.inner.vtable.__call__, ORDINARY_INTERNAL_METHODS.__call__)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/object/jsobject.rs:764:9
[INFO] [stdout]     |
[INFO] [stdout] 764 |         self.inner.vtable.__construct__ != ORDINARY_INTERNAL_METHODS.__construct__
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 764 -         self.inner.vtable.__construct__ != ORDINARY_INTERNAL_METHODS.__construct__
[INFO] [stdout] 764 +         !std::ptr::fn_addr_eq(self.inner.vtable.__construct__, ORDINARY_INTERNAL_METHODS.__construct__)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/optimizer/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         self.visit_statement_list_mut(statement_list);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-must-use` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_must_use)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = self.visit_statement_list_mut(statement_list);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/optimizer/walker.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         self.visit_expression_mut(expr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = self.visit_expression_mut(expr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/optimizer/walker.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         expr.visit_with_mut(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = expr.visit_with_mut(self);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking jemallocator v0.5.4
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]  --> src/tagged.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sptr::Strict;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]   = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]   --> src/builtins/array_buffer/shared.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sptr::Strict;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]   --> src/builtins/array_buffer/utils.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         use sptr::Strict;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]    --> src/builtins/array_buffer/utils.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |         use sptr::Strict;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]    --> src/builtins/atomics/futex.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | use sptr::Strict;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrderedHashMap` is never constructed
[INFO] [stdout]   --> src/object/property_map.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct OrderedHashMap<K: Trace>(IndexMap<K, PropertyDescriptor, BuildHasherDefault<FxHasher>>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-W dead-code` implied by `-W unused`
[INFO] [stdout]    = help: to override `-W unused` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/object/jsobject.rs:752:9
[INFO] [stdout]     |
[INFO] [stdout] 752 |         self.inner.vtable.__call__ != ORDINARY_INTERNAL_METHODS.__call__
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 752 -         self.inner.vtable.__call__ != ORDINARY_INTERNAL_METHODS.__call__
[INFO] [stdout] 752 +         !std::ptr::fn_addr_eq(self.inner.vtable.__call__, ORDINARY_INTERNAL_METHODS.__call__)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/object/jsobject.rs:764:9
[INFO] [stdout]     |
[INFO] [stdout] 764 |         self.inner.vtable.__construct__ != ORDINARY_INTERNAL_METHODS.__construct__
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 764 -         self.inner.vtable.__construct__ != ORDINARY_INTERNAL_METHODS.__construct__
[INFO] [stdout] 764 +         !std::ptr::fn_addr_eq(self.inner.vtable.__construct__, ORDINARY_INTERNAL_METHODS.__construct__)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/optimizer/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         self.visit_statement_list_mut(statement_list);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-must-use` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_must_use)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = self.visit_statement_list_mut(statement_list);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/optimizer/walker.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         self.visit_expression_mut(expr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = self.visit_expression_mut(expr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/optimizer/walker.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         expr.visit_with_mut(self);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = expr.visit_with_mut(self);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "2dfe3bd6e9ac464367fe022c45d7ce734395493f1de3bf1a266aa87720119762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfe3bd6e9ac464367fe022c45d7ce734395493f1de3bf1a266aa87720119762", kill_on_drop: false }`
[INFO] [stdout] 2dfe3bd6e9ac464367fe022c45d7ce734395493f1de3bf1a266aa87720119762
