[INFO] fetching crate boa_engine 0.21.0...
[INFO] checking boa_engine-0.21.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate boa_engine 0.21.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate boa_engine 0.21.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate boa_engine 0.21.0
[INFO] tweaked toml for crates.io crate boa_engine 0.21.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate boa_engine 0.21.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate boa_engine 0.21.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c68ec7ca6e61e223e3642454dd70c4d391eb2b608466db597dd82b7db0d7ebe
[INFO] running `Command { std: "docker" "start" "-a" "4c68ec7ca6e61e223e3642454dd70c4d391eb2b608466db597dd82b7db0d7ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c68ec7ca6e61e223e3642454dd70c4d391eb2b608466db597dd82b7db0d7ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c68ec7ca6e61e223e3642454dd70c4d391eb2b608466db597dd82b7db0d7ebe", kill_on_drop: false }`
[INFO] [stdout] 4c68ec7ca6e61e223e3642454dd70c4d391eb2b608466db597dd82b7db0d7ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1398a49413fa0dd6ae555e2cb2faf0cdc0085cf2be03968b83bcd8e8cfe877
[INFO] running `Command { std: "docker" "start" "-a" "ee1398a49413fa0dd6ae555e2cb2faf0cdc0085cf2be03968b83bcd8e8cfe877", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling phf_shared v0.13.1
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[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking rustc-hash v2.1.1
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[INFO] [stderr]     Checking ryu-js v1.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.0
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[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking cordyceps v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking spin v0.10.0
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[INFO] [stderr]    Compiling cc v1.2.35
[INFO] [stderr]     Checking boa_string v0.21.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling time-macros v0.2.24
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[INFO] [stderr]     Checking clap v4.5.48
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[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling test-case-core v3.3.1
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling boa_macros v0.21.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
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[INFO] [stderr]     Checking boa_gc v0.21.0
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[INFO] [stderr]     Checking tinytemplate v1.2.1
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[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking boa_ast v0.21.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking boa_parser v0.21.0
[INFO] [stderr]     Checking boa_engine v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/value/conversions/mod.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     i32::try_from(value)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | impl_from_integer!(u8, i8, u16, i16, u32, i32, u64, i64, usize, isize);
[INFO] [stdout]    | ---------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `impl_from_integer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/value/conversions/try_from_js.rs:196:25
[INFO] [stdout]     |
[INFO] [stdout] 196 |                         i.try_into().map_err(|e| {
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 | impl_try_from_js_integer!(i8, u8, i16, u16, i32, u32, i64, u64, usize, i128, u128);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_try_from_js_integer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/value/conversions/try_from_js.rs:196:25
[INFO] [stdout]     |
[INFO] [stdout] 196 |                         i.try_into().map_err(|e| {
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 | impl_try_from_js_integer!(i8, u8, i16, u16, i32, u32, i64, u64, usize, i128, u128);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_try_from_js_integer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/value/conversions/try_from_js.rs:196:25
[INFO] [stdout]     |
[INFO] [stdout] 196 |                         i.try_into().map_err(|e| {
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 | impl_try_from_js_integer!(i8, u8, i16, u16, i32, u32, i64, u64, usize, i128, u128);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_try_from_js_integer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/value/conversions/convert.rs:110:80
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     value.to_numeric_number(context).and_then(|num| Ok(Convert(<$ty>::try_from(num).map_err(|_| {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 | decl_convert_to_float!(f64);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `decl_convert_to_float` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boa_engine` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ee1398a49413fa0dd6ae555e2cb2faf0cdc0085cf2be03968b83bcd8e8cfe877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1398a49413fa0dd6ae555e2cb2faf0cdc0085cf2be03968b83bcd8e8cfe877", kill_on_drop: false }`
[INFO] [stdout] ee1398a49413fa0dd6ae555e2cb2faf0cdc0085cf2be03968b83bcd8e8cfe877