[INFO] fetching crate nvml-binding 0.1.0...
[INFO] testing nvml-binding-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate nvml-binding 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate nvml-binding 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nvml-binding 0.1.0
[INFO] finished tweaking crates.io crate nvml-binding 0.1.0
[INFO] tweaked toml for crates.io crate nvml-binding 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4520203b38de4469759c09f13db806f38fde1c423ad411dd10fa4de412b81198
[INFO] running `Command { std: "docker" "start" "-a" "4520203b38de4469759c09f13db806f38fde1c423ad411dd10fa4de412b81198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4520203b38de4469759c09f13db806f38fde1c423ad411dd10fa4de412b81198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4520203b38de4469759c09f13db806f38fde1c423ad411dd10fa4de412b81198", kill_on_drop: false }`
[INFO] [stdout] 4520203b38de4469759c09f13db806f38fde1c423ad411dd10fa4de412b81198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d2b7e2e6011e5a777b40e1ebd5ddd3cfc8513d1ca91390fb4975abebd524e5a
[INFO] running `Command { std: "docker" "start" "-a" "7d2b7e2e6011e5a777b40e1ebd5ddd3cfc8513d1ca91390fb4975abebd524e5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling nvml-binding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nvml-binding v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nvml-binding-26caa2cd31e61247/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-cdylib-link-arg=-Wl,--unresolved-symbols=ignore-in-object-files
[INFO] [stderr]   cargo:include=nvml-binding/include
[INFO] [stderr]   cargo:rustc-link-lib=dylib=nvidia-ml
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Couldn't write bindings!: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:34:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557c3bc7953c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x557c3bc7953c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557c3bc7953c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x557c3bc7953c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x557c3bc9e3cc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x557c3bc75955 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x557c3bc7ae50 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x557c3bc7ae50 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x557c3bc7ae50 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x557c3bc7a9fb - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x557c3bc7b504 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x557c3bc7afe0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x557c3bc799f4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x557c3bc7af49 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x557c3b78e731 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x557c3b78e823 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x557c3b849488 - core::result::Result<T,E>::expect::h0f126815014400f7
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x557c3b7914bd - build_script_build::main::hd1a133f152dc5815
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:32:5
[INFO] [stderr]     18:     0x557c3b78fbab - core::ops::function::FnOnce::call_once::h506928d7bc41b859
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x557c3b78fb1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb31468942c3a4d18
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     20:     0x557c3b78fa31 - std::rt::lang_start::{{closure}}::h18440fc142a83512
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x557c3bc78d81 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x557c3bc78d81 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     23:     0x557c3bc78d81 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     24:     0x557c3bc78d81 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     25:     0x557c3bc78d81 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x557c3bc78d81 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     27:     0x557c3bc78d81 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     28:     0x557c3bc78d81 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     29:     0x557c3bc78d81 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x557c3b78fa00 - std::rt::lang_start::h2c7b6a7f60e91aaf
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x557c3b79150c - main
[INFO] [stderr]     32:     0x7f1c6b1ec0b3 - __libc_start_main
[INFO] [stderr]     33:     0x557c3b78eeee - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7d2b7e2e6011e5a777b40e1ebd5ddd3cfc8513d1ca91390fb4975abebd524e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2b7e2e6011e5a777b40e1ebd5ddd3cfc8513d1ca91390fb4975abebd524e5a", kill_on_drop: false }`
[INFO] [stdout] 7d2b7e2e6011e5a777b40e1ebd5ddd3cfc8513d1ca91390fb4975abebd524e5a