[INFO] cloning repository https://github.com/vegapit/tchtut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vegapit/tchtut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvegapit%2Ftchtut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvegapit%2Ftchtut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0d6e880f1729a2d4a5a8bb80005d007dbf27982
[INFO] checking vegapit/tchtut against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvegapit%2Ftchtut" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vegapit/tchtut
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/vegapit/tchtut
[INFO] tweaked toml for git repo https://github.com/vegapit/tchtut written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vegapit/tchtut on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/LaurentMazare/tch-rs`
[INFO] [stderr]      Locking 192 packages to latest compatible versions
[INFO] [stderr]       Adding indicatif v0.11.0 (available: v0.18.0)
[INFO] [stderr]       Adding plotters v0.2.15 (available: v0.3.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 587c5a1cbb1cdd125bb4e2ae73fd278dcd873b13b80c877efad976ccb2439526
[INFO] running `Command { std: "docker" "start" "-a" "587c5a1cbb1cdd125bb4e2ae73fd278dcd873b13b80c877efad976ccb2439526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "587c5a1cbb1cdd125bb4e2ae73fd278dcd873b13b80c877efad976ccb2439526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587c5a1cbb1cdd125bb4e2ae73fd278dcd873b13b80c877efad976ccb2439526", kill_on_drop: false }`
[INFO] [stdout] 587c5a1cbb1cdd125bb4e2ae73fd278dcd873b13b80c877efad976ccb2439526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a05eb4d69aa8ec847933516d1b35c56453b5d9faa641e5f1da24a19ec49fd6d2
[INFO] running `Command { std: "docker" "start" "-a" "a05eb4d69aa8ec847933516d1b35c56453b5d9faa641e5f1da24a19ec49fd6d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling time v0.3.43
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling pathfinder_simd v0.5.5
[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 num-rational v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling password-hash v0.4.2
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling tch v0.21.0 (https://github.com/LaurentMazare/tch-rs#fde04c49)
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking console v0.16.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling torch-sys v0.21.0 (https://github.com/LaurentMazare/tch-rs#fde04c49)
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.21.0 (https://github.com/LaurentMazare/tch-rs#fde04c49)`
[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-72608518d6dfacf9/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/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/ops/function.rs:290:21
[INFO] [stderr]      8: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:590:40
[INFO] [stderr]      9: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     10: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     11: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/rt.rs:175:24
[INFO] [stderr]     12: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     13: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     14: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     15: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/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" "a05eb4d69aa8ec847933516d1b35c56453b5d9faa641e5f1da24a19ec49fd6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05eb4d69aa8ec847933516d1b35c56453b5d9faa641e5f1da24a19ec49fd6d2", kill_on_drop: false }`
[INFO] [stdout] a05eb4d69aa8ec847933516d1b35c56453b5d9faa641e5f1da24a19ec49fd6d2