[INFO] fetching crate tracel 0.8.1...
[INFO] testing tracel-0.8.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate tracel 0.8.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tracel 0.8.1
[INFO] finished tweaking crates.io crate tracel 0.8.1
[INFO] tweaked toml for crates.io crate tracel 0.8.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracel 0.8.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracel 0.8.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592
[INFO] running `Command { std: "docker" "start" "e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]    Compiling syn v3.0.3
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[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling chacha20 v0.10.1
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[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling pulp v0.22.3
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling portable-atomic v1.14.0
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[INFO] [stderr]    Compiling clap_builder v4.6.2
[INFO] [stderr]    Compiling serde_with v3.21.0
[INFO] [stderr]    Compiling directories v6.0.0
[INFO] [stderr]    Compiling jsonptr v0.7.1
[INFO] [stderr]    Compiling clap_derive v4.6.4
[INFO] [stderr]    Compiling lockfree-object-pool v0.1.6
[INFO] [stderr]    Compiling metrics-tracing-context v0.18.1
[INFO] [stderr]    Compiling json-patch v4.2.0
[INFO] [stderr]    Compiling rstest v0.26.1
[INFO] [stderr]    Compiling clap v4.6.4
[INFO] [stderr]    Compiling aws-lc-rs v1.17.3
[INFO] [stderr]    Compiling rustls-webpki v0.103.13
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling rustls-platform-verifier v0.7.0
[INFO] [stderr]    Compiling tungstenite v0.28.0
[INFO] [stderr]    Compiling hyper-rustls v0.27.9
[INFO] [stderr]    Compiling reqwest v0.13.4
[INFO] [stderr]    Compiling tracel-artifact v0.8.1
[INFO] [stderr]    Compiling tracel-client v0.12.0
[INFO] [stderr]    Compiling tracel-fleet v0.8.1
[INFO] [stderr]    Compiling burn-tensor v0.22.0-pre.1
[INFO] [stderr]    Compiling burn-core v0.22.0-pre.1
[INFO] [stderr] error: could not compile `burn-dispatch` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name burn_dispatch --edition=2024 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/burn-dispatch-0.22.0-pre.1/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 --cfg 'feature="autodiff"' --cfg 'feature="burn-autodiff"' --cfg 'feature="flex"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("autodiff", "autotune", "autotune-checks", "burn-autodiff", "burn-cpu", "burn-cuda", "burn-ndarray", "burn-remote", "burn-rocm", "burn-tch", "burn-wgpu", "cpu", "cubecl", "cuda", "default", "doc", "flex", "fusion", "metal", "ndarray", "remote", "remote-server", "remote-websocket", "rocm", "std", "tch", "tracing", "vulkan", "webgpu", "wgpu"))' -C metadata=6f8b27a163e0e3e0 -C extra-filename=-fedce64f9f6e15e7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern burn_autodiff=/opt/rustwide/target/debug/deps/libburn_autodiff-db4dafaaadfd4238.rmeta --extern burn_backend=/opt/rustwide/target/debug/deps/libburn_backend-3dc35d166a7dbf5d.rmeta --extern burn_flex=/opt/rustwide/target/debug/deps/libburn_flex-d33a13387156c933.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-93bf70849a6c6f92.so --cap-lints allow --cap-lints=warn --check-cfg 'cfg(default_backend)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `burn-flex` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name burn_flex --edition=2024 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/burn-flex-0.22.0-pre.1/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 --cfg 'feature="default"' --cfg 'feature="rayon"' --cfg 'feature="simd"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("apple-amx", "critical-section", "default", "doc", "rayon", "simd", "std", "tracing", "x86-v4"))' -C metadata=e9dc3dd38af87e43 -C extra-filename=-d33a13387156c933 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aligned_vec=/opt/rustwide/target/debug/deps/libaligned_vec-0b22d5f2ad0ecf17.rmeta --extern burn_backend=/opt/rustwide/target/debug/deps/libburn_backend-3dc35d166a7dbf5d.rmeta --extern burn_ir=/opt/rustwide/target/debug/deps/libburn_ir-333b750042b07f17.rmeta --extern burn_std=/opt/rustwide/target/debug/deps/libburn_std-1faec00eb45c9b9d.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-140064263d08afbb.rmeta --extern gemm=/opt/rustwide/target/debug/deps/libgemm-075e1c156c3b300c.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-910b2dc2853cd634.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-24398d5f7d3c709c.rmeta --extern macerator=/opt/rustwide/target/debug/deps/libmacerator-5858959378f05531.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-68e0d171d32a4dd9.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-0e5974938d0b0a61.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592", kill_on_drop: false }`
[INFO] [stdout] e6d642b9d23c94ca52b581aaccfe8dc73911adf1b978e7bfa67e5de8790b3592
