[INFO] fetching crate nutorch 0.1.4...
[INFO] testing nutorch-0.1.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nutorch 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate nutorch 0.1.4
[INFO] finished tweaking crates.io crate nutorch 0.1.4
[INFO] tweaked toml for crates.io crate nutorch 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nutorch 0.1.4 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nutorch 0.1.4 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24e7166f6afa10ac4eaee50c9e04856df48de7dc9d5f22c9535249838cd71d68
[INFO] running `Command { std: "docker" "start" "-a" "24e7166f6afa10ac4eaee50c9e04856df48de7dc9d5f22c9535249838cd71d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24e7166f6afa10ac4eaee50c9e04856df48de7dc9d5f22c9535249838cd71d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e7166f6afa10ac4eaee50c9e04856df48de7dc9d5f22c9535249838cd71d68", kill_on_drop: false }`
[INFO] [stdout] 24e7166f6afa10ac4eaee50c9e04856df48de7dc9d5f22c9535249838cd71d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfb9c7d21c37ba331013880c1272cececbfe3a7adf7d8fc0a30687c5c052b9a4
[INFO] running `Command { std: "docker" "start" "-a" "dfb9c7d21c37ba331013880c1272cececbfe3a7adf7d8fc0a30687c5c052b9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling password-hash v0.4.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling buf-trait v0.4.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling vte v0.14.1
[INFO] [stderr]    Compiling lscolors v0.20.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling byteyarn v0.5.1
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.1
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling sysinfo v0.36.1
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling nu-glob v0.108.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling interprocess v2.2.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling tch v0.20.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling fancy-regex v0.16.2
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling typetag-impl v0.2.20
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling nu-derive-value v0.108.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pwd v1.4.0
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling nu-path v0.108.0
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling nu-experimental v0.108.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling torch-sys v0.20.0
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.20.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-c82d31c0b0a9af46/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBTORCH_USE_PYTORCH
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBTORCH
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: 
[INFO] [stderr]   Cannot find a libtorch install, you can either:
[INFO] [stderr]   - Install libtorch manually and set the LIBTORCH environment variable to appropriate path.
[INFO] [stderr]   - Use a system wide install in /usr/lib/libtorch.so.
[INFO] [stderr]   - Use a Python environment with PyTorch installed by setting LIBTORCH_USE_PYTORCH=1
[INFO] [stderr] 
[INFO] [stderr]   See the readme for more details:
[INFO] [stderr]   https://github.com/LaurentMazare/tch-rs/blob/main/README.md
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: anyhow::kind::Adhoc::new
[INFO] [stderr]      1: build_script_build::SystemInfo::prepare_libtorch_dir
[INFO] [stderr]      2: build_script_build::SystemInfo::new
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]      4: core::ops::function::FnOnce::call_once
[INFO] [stderr]      5: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]      6: std::rt::lang_start::{{closure}}
[INFO] [stderr]      7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stderr]      8: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]      9: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]     10: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]     11: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stderr]     12: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]     13: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]     14: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]     15: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stderr]     16: std::rt::lang_start
[INFO] [stderr]     17: main
[INFO] [stderr]     18: <unknown>
[INFO] [stderr]     19: __libc_start_main
[INFO] [stderr]     20: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dfb9c7d21c37ba331013880c1272cececbfe3a7adf7d8fc0a30687c5c052b9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb9c7d21c37ba331013880c1272cececbfe3a7adf7d8fc0a30687c5c052b9a4", kill_on_drop: false }`
[INFO] [stdout] dfb9c7d21c37ba331013880c1272cececbfe3a7adf7d8fc0a30687c5c052b9a4