[INFO] updating cached repository https://github.com/Skarsh/rust-pong
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c03ad846ed9a3c51994395236ec1367414c6938
[INFO] checking Skarsh/rust-pong against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkarsh%2Frust-pong" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skarsh/rust-pong on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Skarsh/rust-pong
[INFO] finished tweaking git repo https://github.com/Skarsh/rust-pong
[INFO] tweaked toml for git repo https://github.com/Skarsh/rust-pong written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Skarsh/rust-pong already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] faf042e3fd167ef840452c8e774d2fe23d29402a2e290a7f1ecbac6247a67953
[INFO] running `"docker" "start" "-a" "faf042e3fd167ef840452c8e774d2fe23d29402a2e290a7f1ecbac6247a67953"`
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking hetseq v0.2.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.3.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking annotate-snippets v0.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking fluent-syntax v0.1.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling gfx_macros v0.2.1
[INFO] [stderr]    Compiling syn v0.15.28
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking intl_pluralrules v1.0.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-1434098f0716b19e/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5633631a2fb4 - backtrace::backtrace::libunwind::trace::h07e9553c1ad1ecad
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5633631a2fb4 - backtrace::backtrace::trace_unsynchronized::h9e0e5a535fa6ae0f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5633631a2fb4 - std::sys_common::backtrace::_print_fmt::h4b577ea24f321ffb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x5633631a2fb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha28161264835f4f4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x5633631c0ecc - core::fmt::write::h4b048b90b965d771
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x5633631a0aa7 - std::io::Write::write_fmt::h3a6d100d8a1e388f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x5633631a5335 - std::sys_common::backtrace::_print::ha2961e5db1a6da43
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x5633631a5335 - std::sys_common::backtrace::print::h3a868732f7f89b17
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x5633631a5335 - std::panicking::default_hook::{{closure}}::hb25db4ba1ba588ba
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x5633631a5026 - std::panicking::default_hook::hf1df3f45e1769771
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x5633631a5985 - std::panicking::rust_panic_with_hook::ha0342d3096b3c9ed
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x5633631a5522 - std::panicking::continue_panic_fmt::hb2f88a6099baa66b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]   12:     0x5633631a5416 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]   13:     0x5633631be5ea - core::panicking::panic_fmt::ha4a113bebd34439f
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x5633631be6e7 - core::result::unwrap_failed::hefab55c2e35154b2
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x5633631761c0 - core::result::Result<T,E>::unwrap::hcf439a0ad296073e
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x56336317281b - build_script_build::main::h8da99a6f9dd99aa1
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   17:     0x563363173fb0 - std::rt::lang_start::{{closure}}::h9ff8a1eb2e7ce5e3
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x5633631a5403 - std::rt::lang_start_internal::{{closure}}::he2a0afb5b578106e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x5633631a5403 - std::panicking::try::do_call::h30da202735d45c24
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   20:     0x5633631ab7ba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x5633631a5e7d - std::panicking::try::h974d473864a5ddd4
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   22:     0x5633631a5e7d - std::panic::catch_unwind::h3bd08da23b55a60b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x5633631a5e7d - std::rt::lang_start_internal::hf97f79993a3eaf6a
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x563363173f89 - std::rt::lang_start::h9a1a2d78ae1f96ff
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x5633631737fa - main
[INFO] [stderr]   26:     0x7f9d3fc3d2e1 - __libc_start_main
[INFO] [stderr]   27:     0x5633631721ca - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "faf042e3fd167ef840452c8e774d2fe23d29402a2e290a7f1ecbac6247a67953"`
[INFO] running `"docker" "rm" "-f" "faf042e3fd167ef840452c8e774d2fe23d29402a2e290a7f1ecbac6247a67953"`
[INFO] [stdout] faf042e3fd167ef840452c8e774d2fe23d29402a2e290a7f1ecbac6247a67953