[INFO] fetching crate burn_dragon_checkpoint 0.21.0...
[INFO] testing burn_dragon_checkpoint-0.21.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate burn_dragon_checkpoint 0.21.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate burn_dragon_checkpoint 0.21.0
[INFO] finished tweaking crates.io crate burn_dragon_checkpoint 0.21.0
[INFO] tweaked toml for crates.io crate burn_dragon_checkpoint 0.21.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn_dragon_checkpoint 0.21.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn_dragon_checkpoint 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d86442e21eda21414087bd9a7180f1da7adb5fea406323bfe7569e1252afb8c
[INFO] running `Command { std: "docker" "start" "-a" "4d86442e21eda21414087bd9a7180f1da7adb5fea406323bfe7569e1252afb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d86442e21eda21414087bd9a7180f1da7adb5fea406323bfe7569e1252afb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d86442e21eda21414087bd9a7180f1da7adb5fea406323bfe7569e1252afb8c", kill_on_drop: false }`
[INFO] [stdout] 4d86442e21eda21414087bd9a7180f1da7adb5fea406323bfe7569e1252afb8c
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad892b47a6a7398545ad7ee478d35cab22bbe70fe0c9988977ea461e3285dab
[INFO] running `Command { std: "docker" "start" "-a" "8ad892b47a6a7398545ad7ee478d35cab22bbe70fe0c9988977ea461e3285dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling cubecl-common v0.10.0
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling oneshot v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling colored v3.1.1
[INFO] [stderr]    Compiling data-encoding v2.11.0
[INFO] [stderr]    Compiling uuid v1.23.1
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling textdistance v1.1.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling burn_dragon_time v0.21.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rand_distr v0.6.0
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling tynm v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling burn-derive v0.21.0
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling rustls-webpki v0.103.13
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.15.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rmp-serde v1.3.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling safetensors v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling cubecl-zspace v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling enumset v1.1.12
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling burn-std v0.21.0
[INFO] [stderr]    Compiling ureq v2.12.1
[INFO] [stderr]    Compiling burn-backend v0.21.0
[INFO] [stderr]    Compiling burn-tensor v0.21.0
[INFO] [stderr]    Compiling burn-core v0.21.0
[INFO] [stderr]    Compiling burn-optim v0.21.0
[INFO] [stderr]    Compiling burn-nn v0.21.0
[INFO] [stderr]    Compiling burn-store v0.21.0
[INFO] [stderr]    Compiling burn v0.21.0
[INFO] [stderr]    Compiling burn_dragon_checkpoint v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "8ad892b47a6a7398545ad7ee478d35cab22bbe70fe0c9988977ea461e3285dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad892b47a6a7398545ad7ee478d35cab22bbe70fe0c9988977ea461e3285dab", kill_on_drop: false }`
[INFO] [stdout] 8ad892b47a6a7398545ad7ee478d35cab22bbe70fe0c9988977ea461e3285dab
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41fde4e856b3d94b3aa210c162b6cb40df06ee4a11e641e3ebef6d25683ebfc
[INFO] running `Command { std: "docker" "start" "-a" "f41fde4e856b3d94b3aa210c162b6cb40df06ee4a11e641e3ebef6d25683ebfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling moddef v0.3.0
[INFO] [stderr]    Compiling burn-ndarray v0.21.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling atomic_float v1.1.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling macerator v0.3.2
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling rand_distr v0.6.0
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling cubecl-common v0.10.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rmp-serde v1.3.1
[INFO] [stderr]    Compiling ndarray v0.17.2
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling macerator-macros v0.1.5
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling burn-std v0.21.0
[INFO] [stderr]    Compiling burn-backend v0.21.0
[INFO] [stderr]    Compiling burn-tensor v0.21.0
[INFO] [stderr]    Compiling burn-ir v0.21.0
[INFO] [stderr]    Compiling burn-autodiff v0.21.0
[INFO] [stderr]    Compiling burn-core v0.21.0
[INFO] [stderr]    Compiling burn-nn v0.21.0
[INFO] [stderr]    Compiling burn-optim v0.21.0
[INFO] [stderr]    Compiling burn-store v0.21.0
[INFO] [stderr]    Compiling burn v0.21.0
[INFO] [stderr]    Compiling burn_dragon_checkpoint v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 38.69s
[INFO] running `Command { std: "docker" "inspect" "f41fde4e856b3d94b3aa210c162b6cb40df06ee4a11e641e3ebef6d25683ebfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41fde4e856b3d94b3aa210c162b6cb40df06ee4a11e641e3ebef6d25683ebfc", kill_on_drop: false }`
[INFO] [stdout] f41fde4e856b3d94b3aa210c162b6cb40df06ee4a11e641e3ebef6d25683ebfc
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcc718ca1f4fa8dfe480d7ab724b72d2409fceb138d85a75612e3e1b4c5ca45f
[INFO] running `Command { std: "docker" "start" "-a" "fcc718ca1f4fa8dfe480d7ab724b72d2409fceb138d85a75612e3e1b4c5ca45f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/burn_dragon_checkpoint-dcc31512c73d833e)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test policy::tests::default_policy_prefers_f32 ... ok
[INFO] [stdout] test bootstrap::tests::candidate_urls_follow_precision_preference ... ok
[INFO] [stdout] test bootstrap::tests::resolve_bootstrap_prefers_complete_cached_parts ... ok
[INFO] [stdout] test bootstrap::tests::default_cache_root_uses_explicit_env_override ... ok
[INFO] [stdout] test parts::tests::load_model_from_candidates_falls_back_to_monolithic_burnpack ... ok
[INFO] [stdout] test bundle::tests::exports_f16_bundle_with_parts_and_removes_intermediate ... ok
[INFO] [stdout] test run::tests::resolve_checkpoint_helpers_handle_directory_layouts ... ok
[INFO] [stdout] test parts::tests::load_model_from_part_bytes_matches_sequential_apply ... ok
[INFO] [stdout] test policy::tests::path_candidates_follow_precision_preference ... ok
[INFO] [stdout] test parts::tests::manifest_complete_requires_all_parts ... ok
[INFO] [stdout] test run::tests::json_snapshot_roundtrip_works ... ok
[INFO] [stdout] test run::tests::resolve_checkpoint_base_handles_parts_manifest_paths ... ok
[INFO] [stdout] test precision::tests::converts_burnpack_to_f16_metadata ... ok
[INFO] [stdout] test parts::tests::loads_model_from_parts_manifest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests burn_dragon_checkpoint
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcc718ca1f4fa8dfe480d7ab724b72d2409fceb138d85a75612e3e1b4c5ca45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc718ca1f4fa8dfe480d7ab724b72d2409fceb138d85a75612e3e1b4c5ca45f", kill_on_drop: false }`
[INFO] [stdout] fcc718ca1f4fa8dfe480d7ab724b72d2409fceb138d85a75612e3e1b4c5ca45f
