[INFO] fetching crate burn-train 0.19.1...
[INFO] testing burn-train-0.19.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate burn-train 0.19.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate burn-train 0.19.1
[INFO] finished tweaking crates.io crate burn-train 0.19.1
[INFO] tweaked toml for crates.io crate burn-train 0.19.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn-train 0.19.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn-train 0.19.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9da4d7fb95985bef2da19319a72bd391b376e076d23642304a06484c5369cc56
[INFO] running `Command { std: "docker" "start" "-a" "9da4d7fb95985bef2da19319a72bd391b376e076d23642304a06484c5369cc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da4d7fb95985bef2da19319a72bd391b376e076d23642304a06484c5369cc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da4d7fb95985bef2da19319a72bd391b376e076d23642304a06484c5369cc56", kill_on_drop: false }`
[INFO] [stdout] 9da4d7fb95985bef2da19319a72bd391b376e076d23642304a06484c5369cc56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09a9ec7ac07e38c91c4f2f04906f7f2dc16c072f902e8ce2cec3f2d8f9030490
[INFO] running `Command { std: "docker" "start" "-a" "09a9ec7ac07e38c91c4f2f04906f7f2dc16c072f902e8ce2cec3f2d8f9030490", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling cubecl-common v0.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling thread-tree v0.3.3
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling macerator v0.2.9
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling instability v0.3.9
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling burn-ndarray v0.19.1
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling moddef v0.3.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling nvml-wrapper-sys v0.9.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling bytesize v1.3.3
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling atomic_float v1.1.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling sysinfo v0.37.2
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling sanitize-filename v0.6.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=5e3c3673e3cd3e85 -C extra-filename=-4e90cfd95bb3da69 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0b2550f51bc2b342.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-52ff47f777d31080.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-21aeb60f8cf32518.rmeta --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" "09a9ec7ac07e38c91c4f2f04906f7f2dc16c072f902e8ce2cec3f2d8f9030490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a9ec7ac07e38c91c4f2f04906f7f2dc16c072f902e8ce2cec3f2d8f9030490", kill_on_drop: false }`
[INFO] [stdout] 09a9ec7ac07e38c91c4f2f04906f7f2dc16c072f902e8ce2cec3f2d8f9030490
