[INFO] fetching crate burn-train 0.21.0-pre.4...
[INFO] checking burn-train-0.21.0-pre.4 against 1.95.0 for pr-155915
[INFO] extracting crate burn-train 0.21.0-pre.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate burn-train 0.21.0-pre.4
[INFO] finished tweaking crates.io crate burn-train 0.21.0-pre.4
[INFO] tweaked toml for crates.io crate burn-train 0.21.0-pre.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn-train 0.21.0-pre.4 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn-train 0.21.0-pre.4 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kasuari v0.4.12
[INFO] [stderr]   Downloaded zopfli v0.8.3
[INFO] [stderr]   Downloaded ppmd-rust v1.4.0
[INFO] [stderr]   Downloaded systemstat v0.2.6
[INFO] [stderr]   Downloaded line-clipping v0.3.7
[INFO] [stderr]   Downloaded wrapcenum-derive v0.4.1
[INFO] [stderr]   Downloaded nvml-wrapper-sys v0.9.1
[INFO] [stderr]   Downloaded burn-communication v0.21.0-pre.4
[INFO] [stderr]   Downloaded bzip2 v0.6.1
[INFO] [stderr]   Downloaded burn-remote v0.21.0-pre.4
[INFO] [stderr]   Downloaded burn-collective v0.21.0-pre.4
[INFO] [stderr]   Downloaded burn-rl v0.21.0-pre.4
[INFO] [stderr]   Downloaded nvml-wrapper v0.12.1
[INFO] [stderr]   Downloaded zip v8.5.1
[INFO] [stderr]   Downloaded burn-dataset v0.21.0-pre.4
[INFO] [stderr]   Downloaded indicatif v0.18.4
[INFO] [stderr]   Downloaded deflate64 v0.1.12
[INFO] [stderr]   Downloaded libbz2-rs-sys v0.2.3
[INFO] [stderr]   Downloaded lzma-rust2 v0.16.2
[INFO] [stderr]   Downloaded rustls v0.23.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e011e10df613640f9683478de7c965722966ac0259b7cff646cb0292c3058a1
[INFO] running `Command { std: "docker" "start" "-a" "8e011e10df613640f9683478de7c965722966ac0259b7cff646cb0292c3058a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e011e10df613640f9683478de7c965722966ac0259b7cff646cb0292c3058a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e011e10df613640f9683478de7c965722966ac0259b7cff646cb0292c3058a1", kill_on_drop: false }`
[INFO] [stdout] 8e011e10df613640f9683478de7c965722966ac0259b7cff646cb0292c3058a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6111a46c56ea5483643e64fa6716d3b5740daaf8e57b97a22987899c0ae8b83a
[INFO] running `Command { std: "docker" "start" "-a" "6111a46c56ea5483643e64fa6716d3b5740daaf8e57b97a22987899c0ae8b83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking winnow v1.0.2
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling cubecl-common v0.10.0-pre.4
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]     Checking zerocopy v0.8.48
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking embassy-futures v0.1.2
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name serde_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=de1f836f23215be4 -C extra-filename=-2c8fbf06105ecf7a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9943b607506202c5.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e30bf06732a359a8.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-f7a5150f59a71cd9.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6111a46c56ea5483643e64fa6716d3b5740daaf8e57b97a22987899c0ae8b83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6111a46c56ea5483643e64fa6716d3b5740daaf8e57b97a22987899c0ae8b83a", kill_on_drop: false }`
[INFO] [stdout] 6111a46c56ea5483643e64fa6716d3b5740daaf8e57b97a22987899c0ae8b83a
