[INFO] fetching crate rusvm 0.2.3...
[INFO] testing rusvm-0.2.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rusvm 0.2.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rusvm 0.2.3
[INFO] finished tweaking crates.io crate rusvm 0.2.3
[INFO] tweaked toml for crates.io crate rusvm 0.2.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusvm 0.2.3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 210 packages to latest compatible versions
[INFO] [stderr]       Adding caches v0.2.8 (available: v0.3.0)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.1)
[INFO] [stderr]       Adding ndarray-linalg v0.16.0 (available: v0.17.0)
[INFO] [stderr]       Adding once_cell v1.19.0 (available: v1.21.3)
[INFO] [stderr]       Adding regex v1.10.6 (available: v1.12.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76abfc1d21e4e58d6bee86ccd9c8c1b7e1d07b4d7807b183849aaf023349943
[INFO] running `Command { std: "docker" "start" "-a" "a76abfc1d21e4e58d6bee86ccd9c8c1b7e1d07b4d7807b183849aaf023349943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76abfc1d21e4e58d6bee86ccd9c8c1b7e1d07b4d7807b183849aaf023349943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76abfc1d21e4e58d6bee86ccd9c8c1b7e1d07b4d7807b183849aaf023349943", kill_on_drop: false }`
[INFO] [stdout] a76abfc1d21e4e58d6bee86ccd9c8c1b7e1d07b4d7807b183849aaf023349943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e193a935210582514eb3b2f3b53ca42a82b4d9b0e87dd61fd97d3d7c712da1e2
[INFO] running `Command { std: "docker" "start" "-a" "e193a935210582514eb3b2f3b53ca42a82b4d9b0e87dd61fd97d3d7c712da1e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling webpki-roots v1.0.4
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling intel-mkl-tool v0.8.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling katexit v0.1.5
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling cauchy v0.4.0
[INFO] [stderr]    Compiling lapack-sys v0.14.0
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling oci-spec v0.6.8
[INFO] [stderr]    Compiling rustls-webpki v0.103.8
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling caches v0.2.8
[INFO] [stderr]    Compiling ureq v2.12.1
[INFO] [stderr]    Compiling ocipkg v0.2.9
[INFO] [stderr]    Compiling intel-mkl-src v0.8.1
[INFO] [stderr]    Compiling lax v0.16.0
[INFO] [stderr]    Compiling ndarray-linalg v0.16.0
[INFO] [stderr]    Compiling rusvm v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_upcasting)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `trait_upcasting` has been stable since `1.86.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `trait_upcasting` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_upcasting)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusvm` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e193a935210582514eb3b2f3b53ca42a82b4d9b0e87dd61fd97d3d7c712da1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e193a935210582514eb3b2f3b53ca42a82b4d9b0e87dd61fd97d3d7c712da1e2", kill_on_drop: false }`
[INFO] [stdout] e193a935210582514eb3b2f3b53ca42a82b4d9b0e87dd61fd97d3d7c712da1e2