[INFO] fetching crate burn-train 0.20.0-pre.6...
[INFO] testing burn-train-0.20.0-pre.6 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate burn-train 0.20.0-pre.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate burn-train 0.20.0-pre.6
[INFO] finished tweaking crates.io crate burn-train 0.20.0-pre.6
[INFO] tweaked toml for crates.io crate burn-train 0.20.0-pre.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn-train 0.20.0-pre.6 on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn-train 0.20.0-pre.6 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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded burn-std v0.20.0-pre.6
[INFO] [stderr]   Downloaded toml_datetime v0.7.4+spec-1.0.0
[INFO] [stderr]   Downloaded float8 v0.4.2
[INFO] [stderr]   Downloaded float4 v0.1.0
[INFO] [stderr]   Downloaded moddef v0.3.0
[INFO] [stderr]   Downloaded embassy-futures v0.1.2
[INFO] [stderr]   Downloaded macerator-macros v0.1.3
[INFO] [stderr]   Downloaded cubecl-macros-internal v0.9.0-pre.6
[INFO] [stderr]   Downloaded toml_parser v1.0.5+spec-1.0.0
[INFO] [stderr]   Downloaded burn-communication v0.20.0-pre.6
[INFO] [stderr]   Downloaded burn-ir v0.20.0-pre.6
[INFO] [stderr]   Downloaded cubecl-cuda v0.9.0-pre.6
[INFO] [stderr]   Downloaded burn-autodiff v0.20.0-pre.6
[INFO] [stderr]   Downloaded cubecl-wgpu v0.9.0-pre.6
[INFO] [stderr]   Downloaded burn-ndarray v0.20.0-pre.6
[INFO] [stderr]   Downloaded cubecl-core v0.9.0-pre.6
[INFO] [stderr]   Downloaded cubecl-cpp v0.9.0-pre.6
[INFO] [stderr]   Downloaded cubecl-runtime v0.9.0-pre.6
[INFO] [stderr]   Downloaded burn-backend v0.20.0-pre.6
[INFO] [stderr]   Downloaded burn-core v0.20.0-pre.6
[INFO] [stderr]   Downloaded burn-collective v0.20.0-pre.6
[INFO] [stderr]   Downloaded burn-dataset v0.20.0-pre.6
[INFO] [stderr]   Downloaded cubecl-opt v0.9.0-pre.6
[INFO] [stderr]   Downloaded cubecl-macros v0.9.0-pre.6
[INFO] [stderr]   Downloaded cubecl-ir v0.9.0-pre.6
[INFO] [stderr]   Downloaded toml v0.9.9+spec-1.0.0
[INFO] [stderr]   Downloaded cubecl v0.9.0-pre.6
[INFO] [stderr]   Downloaded cubecl-common v0.9.0-pre.6
[INFO] [stderr]   Downloaded burn-tensor v0.20.0-pre.6
[INFO] [stderr]   Downloaded macerator v0.2.9
[INFO] [stderr]   Downloaded enumset v1.1.10
[INFO] [stderr]   Downloaded toml_writer v1.0.5+spec-1.0.0
[INFO] [stderr]   Downloaded burn-optim v0.20.0-pre.6
[INFO] [stderr]   Downloaded burn-derive v0.20.0-pre.6
[INFO] [stderr]   Downloaded enumset_derive v0.14.0
[INFO] [stderr]   Downloaded embassy-time-driver v0.2.1
[INFO] [stderr]   Downloaded cudarc v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3780d41c4d6872232e45dfbd2dbb813aa141e45c5397f0efddc415bed26f0ac
[INFO] running `Command { std: "docker" "start" "-a" "d3780d41c4d6872232e45dfbd2dbb813aa141e45c5397f0efddc415bed26f0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3780d41c4d6872232e45dfbd2dbb813aa141e45c5397f0efddc415bed26f0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3780d41c4d6872232e45dfbd2dbb813aa141e45c5397f0efddc415bed26f0ac", kill_on_drop: false }`
[INFO] [stdout] d3780d41c4d6872232e45dfbd2dbb813aa141e45c5397f0efddc415bed26f0ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9d4fd38a9532ee8286614ce6c07cb7e752b36be31d65295f5dbaa5111ea70b5
[INFO] running `Command { std: "docker" "start" "-a" "e9d4fd38a9532ee8286614ce6c07cb7e752b36be31d65295f5dbaa5111ea70b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling cubecl-common v0.9.0-pre.6
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling toml_datetime v0.7.4+spec-1.0.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling thread-tree v0.3.3
[INFO] [stderr]    Compiling macerator v0.2.9
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling instability v0.3.10
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling toml_parser v1.0.5+spec-1.0.0
[INFO] [stderr] error: could not compile `object` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/bin/rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.37.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 '--allow=clippy::uninlined_format_args' '--allow=clippy::type_complexity' '--allow=clippy::single_match' '--allow=clippy::should_implement_trait' '--allow=clippy::result_unit_err' '--allow=clippy::needless_lifetimes' '--allow=clippy::match_like_matches_macro' '--allow=clippy::manual_flatten' '--allow=clippy::field_reassign_with_default' '--allow=clippy::comparison_chain' '--allow=clippy::collapsible_match' '--allow=clippy::collapsible_if' '--allow=clippy::collapsible_else_if' --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "build", "build_core", "cargo-all", "coff", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=7f1bae4bd072c9de -C extra-filename=-70eb57cde0515102 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-f9c66c7ba21bf873.rmeta --cap-lints allow --cap-lints=forbid --cfg core_error --check-cfg 'cfg(core_error)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e9d4fd38a9532ee8286614ce6c07cb7e752b36be31d65295f5dbaa5111ea70b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d4fd38a9532ee8286614ce6c07cb7e752b36be31d65295f5dbaa5111ea70b5", kill_on_drop: false }`
[INFO] [stdout] e9d4fd38a9532ee8286614ce6c07cb7e752b36be31d65295f5dbaa5111ea70b5