[INFO] cloning repository https://github.com/pimpale/rust-mnist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pimpale/rust-mnist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpimpale%2Frust-mnist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpimpale%2Frust-mnist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd0455566036f7e68dec6bf6cc9262f4cf89ee80
[INFO] testing pimpale/rust-mnist against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpimpale%2Frust-mnist" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pimpale/rust-mnist
[INFO] finished tweaking git repo https://github.com/pimpale/rust-mnist
[INFO] tweaked toml for git repo https://github.com/pimpale/rust-mnist written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pimpale/rust-mnist 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 git repo https://github.com/pimpale/rust-mnist 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 862af146a345354ea6040152ee4653387cebfe95032ceb8be4ce3408181ba7ed
[INFO] running `Command { std: "docker" "start" "-a" "862af146a345354ea6040152ee4653387cebfe95032ceb8be4ce3408181ba7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "862af146a345354ea6040152ee4653387cebfe95032ceb8be4ce3408181ba7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862af146a345354ea6040152ee4653387cebfe95032ceb8be4ce3408181ba7ed", kill_on_drop: false }`
[INFO] [stdout] 862af146a345354ea6040152ee4653387cebfe95032ceb8be4ce3408181ba7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b75a652dcd3fbd06ad42b4a30e9b7ce8e3f9235ceff374879b144448a01cf1e8
[INFO] running `Command { std: "docker" "start" "-a" "b75a652dcd3fbd06ad42b4a30e9b7ce8e3f9235ceff374879b144448a01cf1e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cudarc v0.9.0
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling mnist v0.5.0
[INFO] [stderr] error: failed to run custom build command for `cudarc v0.9.0`
[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/cudarc-3a452d34b4c19e0a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-env-changed=CUDA_ROOT
[INFO] [stderr]   cargo:rerun-if-env-changed=CUDA_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=CUDA_TOOLKIT_ROOT_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (223) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cudarc-0.9.0/build.rs:16:29:
[INFO] [stderr]   Cuda root not found
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c40c7b0a7f2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c40c7b0a7f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c40c7b0a7f2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c40c7b0a7f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c40c7b194cf - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5c40c7b194cf - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5c40c7ae8983 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5c40c7ae8983 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5c40c7aedcb2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5c40c7aef72c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5c40c7aef586 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5c40c7aefd05 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5c40c7aefb9a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5c40c7aedde9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5c40c7add3ed - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5c40c7b1c5a0 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5c40c7b1bd5b - core::panicking::panic_display::he03706704e11228d
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:264:5
[INFO] [stderr]     17:     0x5c40c7b1bd5b - core::option::expect_failed::h93f7d068e0e46bec
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:2183:5
[INFO] [stderr]     18:     0x5c40c7adc601 - core::option::Option<T>::expect::h7eddc5afb4db1aa9
[INFO] [stderr]     19:     0x5c40c7ada776 - build_script_build::link_cuda::he30d54d84d2cdbfe
[INFO] [stderr]     20:     0x5c40c7ada455 - build_script_build::main::h5d8ae690b104878f
[INFO] [stderr]     21:     0x5c40c7adae33 - core::ops::function::FnOnce::call_once::haaf413031f3592c2
[INFO] [stderr]     22:     0x5c40c7adaaf6 - std::sys::backtrace::__rust_begin_short_backtrace::hefbabaf7445f970e
[INFO] [stderr]     23:     0x5c40c7adaa59 - std::rt::lang_start::{{closure}}::h37118ffe956a4b08
[INFO] [stderr]     24:     0x5c40c7ae9c90 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     25:     0x5c40c7ae9c90 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     26:     0x5c40c7ae9c90 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     27:     0x5c40c7ae9c90 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5c40c7ae9c90 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]     29:     0x5c40c7ae9c90 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     30:     0x5c40c7ae9c90 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     31:     0x5c40c7ae9c90 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     32:     0x5c40c7ae9c90 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]     33:     0x5c40c7adaa41 - std::rt::lang_start::h1dbd6f20408450fa
[INFO] [stderr]     34:     0x5c40c7add105 - main
[INFO] [stderr]     35:     0x7bcaa70951ca - <unknown>
[INFO] [stderr]     36:     0x7bcaa709528b - __libc_start_main
[INFO] [stderr]     37:     0x5c40c7ad9a85 - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b75a652dcd3fbd06ad42b4a30e9b7ce8e3f9235ceff374879b144448a01cf1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75a652dcd3fbd06ad42b4a30e9b7ce8e3f9235ceff374879b144448a01cf1e8", kill_on_drop: false }`
[INFO] [stdout] b75a652dcd3fbd06ad42b4a30e9b7ce8e3f9235ceff374879b144448a01cf1e8
