[INFO] cloning repository zacps/pong
[INFO] running `"git" "clone" "--bare" "git://github.com/zacps/pong.git" "work/cache/sources/gh/zacps/pong"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zacps/pong'...
[INFO] running `"git" "clone" "work/cache/sources/gh/zacps/pong" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zacps/pong"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zacps/pong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zacps/pong" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zacps/pong"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zacps/pong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45d4e7b16aa7b3761a259ede6a20dbb9c27b2611
[INFO] sha for GitHub repo zacps/pong: 45d4e7b16aa7b3761a259ede6a20dbb9c27b2611
[INFO] validating manifest of zacps/pong on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zacps/pong on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zacps/pong
[INFO] finished frobbing zacps/pong
[INFO] frobbed toml for zacps/pong written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zacps/pong/Cargo.toml
[INFO] started frobbing zacps/pong
[INFO] finished frobbing zacps/pong
[INFO] frobbed toml for zacps/pong written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zacps/pong/Cargo.toml
[INFO] crate zacps/pong already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-client v0.21.12
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.5
[INFO] [stderr]   Downloaded amethyst v0.10.0
[INFO] [stderr]   Downloaded vergen v2.1.3
[INFO] [stderr]   Downloaded wayland-sys v0.21.12
[INFO] [stderr]   Downloaded rgb v0.8.13
[INFO] [stderr]   Downloaded specs v0.14.3
[INFO] [stderr]   Downloaded shred-derive v0.5.1
[INFO] [stderr]   Downloaded amethyst_renderer v0.10.4
[INFO] [stderr]   Downloaded genmesh v0.6.2
[INFO] [stderr]   Downloaded hetseq v0.2.0
[INFO] [stderr]   Downloaded glsl-layout v0.1.1
[INFO] [stderr]   Downloaded glyph_brush v0.4.3
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.5
[INFO] [stderr]   Downloaded font-kit v0.1.0
[INFO] [stderr]   Downloaded alga v0.7.2
[INFO] [stderr]   Downloaded amethyst_assets v0.6.0
[INFO] [stderr]   Downloaded cmake v0.1.40
[INFO] [stderr]   Downloaded dwrote v0.5.1
[INFO] [stderr]   Downloaded minimp3-sys v0.3.1
[INFO] [stderr]   Downloaded ogg v0.7.0
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.7
[INFO] [stderr]   Downloaded fluent v0.4.3
[INFO] [stderr]   Downloaded xcb v0.8.2
[INFO] [stderr]   Downloaded minterpolate v0.4.0
[INFO] [stderr]   Downloaded wayland-commons v0.21.12
[INFO] [stderr]   Downloaded shrev v1.1.1
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded image v0.20.1
[INFO] [stderr]   Downloaded wavefront_obj v5.1.0
[INFO] [stderr]   Downloaded amethyst_derive v0.3.0
[INFO] [stderr]   Downloaded servo-fontconfig v0.4.0
[INFO] [stderr]   Downloaded expat-sys v2.1.6
[INFO] [stderr]   Downloaded amethyst_config v0.9.0
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[INFO] [stderr]   Downloaded nalgebra v0.16.13
[INFO] [stderr]   Downloaded gfx_glyph v0.13.3
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[INFO] [stderr]   Downloaded wayland-protocols v0.21.12
[INFO] [stderr]   Downloaded rustc_version_runtime v0.1.5
[INFO] [stderr]   Downloaded gleam v0.6.17
[INFO] [stderr]   Downloaded gfx_core v0.8.3
[INFO] [stderr]   Downloaded shred v0.7.2
[INFO] [stderr]   Downloaded amethyst_utils v0.5.0
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[INFO] [stderr]   Downloaded x11-clipboard v0.3.2
[INFO] [stderr]   Downloaded gfx_macros v0.2.1
[INFO] [stderr]   Downloaded amethyst_input v0.6.0
[INFO] [stderr]   Downloaded fluent-syntax v0.1.1
[INFO] [stderr]   Downloaded amethyst_audio v0.5.0
[INFO] [stderr]   Downloaded fern v0.5.8
[INFO] [stderr]   Downloaded mint v0.5.1
[INFO] [stderr]   Downloaded amethyst_locale v0.4.0
[INFO] [stderr]   Downloaded crossbeam v0.4.1
[INFO] [stderr]   Downloaded libm v0.1.3
[INFO] [stderr]   Downloaded servo-freetype-sys v4.0.5
[INFO] [stderr]   Downloaded clipboard v0.5.0
[INFO] [stderr]   Downloaded rodio v0.8.1
[INFO] [stderr]   Downloaded fluent-locale v0.4.1
[INFO] [stderr]   Downloaded annotate-snippets v0.1.0
[INFO] [stderr]   Downloaded getset v0.0.7
[INFO] [stderr]   Downloaded specs-hierarchy v0.3.1
[INFO] [stderr]   Downloaded twox-hash v1.3.0
[INFO] [stderr]   Downloaded lewton v0.9.4
[INFO] [stderr]   Downloaded amethyst_controls v0.4.0
[INFO] [stderr]   Downloaded rusttype v0.7.6
[INFO] [stderr]   Downloaded clipboard-win v2.1.2
[INFO] [stderr]   Downloaded ron v0.4.2
[INFO] [stderr]   Downloaded hibitset v0.5.4
[INFO] [stderr]   Downloaded minimp3 v0.3.3
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded amethyst_animation v0.5.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.5.2
[INFO] [stderr]   Downloaded euclid v0.19.8
[INFO] [stderr]   Downloaded lyon_path v0.12.0
[INFO] [stderr]   Downloaded laminar v0.1.0
[INFO] [stderr]   Downloaded hashbrown v0.3.0
[INFO] [stderr]   Downloaded gfx_window_glutin v0.27.0
[INFO] [stderr]   Downloaded wayland-scanner v0.21.12
[INFO] [stderr]   Downloaded amethyst_ui v0.5.0
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded glyph_brush_layout v0.1.6
[INFO] [stderr]   Downloaded amethyst_network v0.3.0
[INFO] [stderr]   Downloaded nonzero_signed v1.0.3
[INFO] [stderr]   Downloaded glsl-layout-derive v0.1.1
[INFO] [stderr]   Downloaded freetype v0.4.1
[INFO] [stderr]   Downloaded intl_pluralrules v1.0.3
[INFO] [stderr]   Downloaded amethyst_core v0.5.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking zacps/pong against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zacps/pong:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c4754c3e1549bfc40cc07e44a79d4ea382bdf524d41579aebc2b06da2a53f56
[INFO] running `"docker" "start" "-a" "1c4754c3e1549bfc40cc07e44a79d4ea382bdf524d41579aebc2b06da2a53f56"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling winapi v0.3.7
[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 hashbrown v0.3.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.3.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking rgb v0.8.13
[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]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking gif v0.10.1
[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_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking fluent-syntax v0.1.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking intl_pluralrules v1.0.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking generic-array v0.11.1
[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/crater/target/debug/build/rustc_version_runtime-fd99e716716624e8/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:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560c53270a0b - backtrace::backtrace::libunwind::trace::h3eb7dec79b0cb248
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x560c53270a0b - backtrace::backtrace::trace_unsynchronized::h828522acfd8fecfd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x560c53270a0b - std::sys_common::backtrace::_print::ha50329dede3e270e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x560c53270a0b - std::sys_common::backtrace::print::ha6d7f96740481555
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x560c53270a0b - std::panicking::default_hook::{{closure}}::h48c4812e51e499b0
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x560c532706e7 - std::panicking::default_hook::h5d25d0fa83093442
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x560c532710d0 - std::panicking::rust_panic_with_hook::h1babb2b4ac73106c
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x560c53270c52 - std::panicking::continue_panic_fmt::hb318720956a96dd4
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x560c53270b36 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x560c5328a0bd - core::panicking::panic_fmt::h78250769f89ff6a0
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x560c5323fd33 - core::result::unwrap_failed::h2a5e6db7f70a2e1f
[INFO] [stderr]                                at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x560c53240278 - core::result::Result<T,E>::unwrap::h6bab18a4f551626e
[INFO] [stderr]                                at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x560c5323db3b - build_script_build::main::h03e881679e19f294
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   13:     0x560c5323f300 - std::rt::lang_start::{{closure}}::haf96f28738b95441
[INFO] [stderr]                                at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x560c53270b23 - std::rt::lang_start_internal::{{closure}}::h8302806cea4153ed
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x560c53270b23 - std::panicking::try::do_call::hc811096721c4b953
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x560c5327708a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x560c532715dd - std::panicking::try::h132c927956f6dad4
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x560c532715dd - std::panic::catch_unwind::h2f6ea137782ab73f
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x560c532715dd - std::rt::lang_start_internal::h0f27bcf63030d183
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x560c5323f2d9 - std::rt::lang_start::h0271bf1a076d82e5
[INFO] [stderr]                                at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x560c5323eb3a - main
[INFO] [stderr]   22:     0x7ff8b1c5e2e1 - __libc_start_main
[INFO] [stderr]   23:     0x560c5323d4ba - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1c4754c3e1549bfc40cc07e44a79d4ea382bdf524d41579aebc2b06da2a53f56"`
[INFO] running `"docker" "rm" "-f" "1c4754c3e1549bfc40cc07e44a79d4ea382bdf524d41579aebc2b06da2a53f56"`
[INFO] [stdout] 1c4754c3e1549bfc40cc07e44a79d4ea382bdf524d41579aebc2b06da2a53f56