[INFO] fetching crate nncombinator 0.9.0...
[INFO] checking nncombinator-0.9.0 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] extracting crate nncombinator 0.9.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate nncombinator 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nncombinator 0.9.0
[INFO] tweaked toml for crates.io crate nncombinator 0.9.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nncombinator 0.9.0 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.10)
[INFO] [stderr]       Adding mnist v0.5.0 (available: v0.6.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding rand_xorshift v0.3.0 (available: v0.5.0)
[INFO] [stderr]       Adding statrs v0.15.0 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97
[INFO] running `Command { std: "docker" "start" "86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97", 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" "86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling zerocopy-derive v0.8.52
[INFO] [stderr]    Compiling cuda-config v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rcudnn-sys v0.5.0
[INFO] [stderr]    Compiling rcublas-sys v0.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]    Compiling cuda-runtime-sys v0.3.0-alpha.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking weezl v0.1.12
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling nncombinator v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]  --> build.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |             let split_char = if cfg!(target_os = "windows") { ";" } else { ":" };
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use cargo environment variables if possible: `std::env::var("CARGO_CFG_TARGET_OS").unwrap_or_default() == "windows"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(misleading_cfg_in_build_script)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> build.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     if cfg!(target_os = "windows") {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use cargo environment variables if possible: `std::env::var("CARGO_CFG_TARGET_OS").unwrap_or_default() == "windows"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nncombinator` (build script) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97", kill_on_drop: false }`
[INFO] [stdout] 86ee443c9e43bf0578929f2508c41969ae2e4442df556678b53c66a4cb9ccd97
