[INFO] updating cached repository neogeek23/rust_pong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neogeek23/rust_pong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neogeek23/rust_pong" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/neogeek23/rust_pong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/neogeek23/rust_pong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neogeek23/rust_pong" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/neogeek23/rust_pong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/neogeek23/rust_pong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5cbd63e67d47c9c376c5b0165105927670948469
[INFO] sha for GitHub repo neogeek23/rust_pong: 5cbd63e67d47c9c376c5b0165105927670948469
[INFO] validating manifest of neogeek23/rust_pong on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of neogeek23/rust_pong on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing neogeek23/rust_pong
[INFO] finished frobbing neogeek23/rust_pong
[INFO] frobbed toml for neogeek23/rust_pong written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/neogeek23/rust_pong/Cargo.toml
[INFO] started frobbing neogeek23/rust_pong
[INFO] finished frobbing neogeek23/rust_pong
[INFO] frobbed toml for neogeek23/rust_pong written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/neogeek23/rust_pong/Cargo.toml
[INFO] crate neogeek23/rust_pong already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking neogeek23/rust_pong against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/neogeek23/rust_pong:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49c38c0d8695268a6b6b2ca465b1998d869806472d94167b52f478d0db4cc1c0
[INFO] running `"docker" "start" "-a" "49c38c0d8695268a6b6b2ca465b1998d869806472d94167b52f478d0db4cc1c0"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking hashbrown v0.2.2
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking minimp3-sys v0.3.1
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[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-d5ef9bed4ae912a8/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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5559e2cf6edb - backtrace::backtrace::libunwind::trace::h2577eef7cb82271e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5559e2cf6edb - backtrace::backtrace::trace_unsynchronized::ha9b72a77aa6c4ce9
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5559e2cf6edb - std::sys_common::backtrace::_print::h8e2c1c5cda6e4e6e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5559e2cf6edb - std::sys_common::backtrace::print::h7e0f8aad0d8a6f3b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5559e2cf6edb - std::panicking::default_hook::{{closure}}::haae4327ede06a559
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5559e2cf6bb6 - std::panicking::default_hook::hbf5f36093f15fccc
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5559e2cf759d - std::panicking::rust_panic_with_hook::hf385e0a05e771036
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5559e2cf7122 - std::panicking::continue_panic_fmt::h95ba204f85050b4c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5559e2cf7006 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5559e2d105ad - core::panicking::panic_fmt::h581f7a1e5499d350
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5559e2d106a7 - core::result::unwrap_failed::h863b7818e32f0320
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x5559e2cc7f80 - core::result::Result<T,E>::unwrap::hd19c5cd13530c37c
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x5559e2cc45db - build_script_build::main::h5b5e5b8d842cfa16
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   13:     0x5559e2cc5d70 - std::rt::lang_start::{{closure}}::hd79817a67a8e6d61
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5559e2cf6ff3 - std::rt::lang_start_internal::{{closure}}::heabbf1748dc855a1
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5559e2cf6ff3 - std::panicking::try::do_call::hf890723f0a5de9f8
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x5559e2cfd5da - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x5559e2cf7aad - std::panicking::try::hf36ba5410913b146
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x5559e2cf7aad - std::panic::catch_unwind::hdfbba43a8f6b3f51
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x5559e2cf7aad - std::rt::lang_start_internal::h85d3c6f2844a1656
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5559e2cc5d49 - std::rt::lang_start::h70f34d8d53c85e88
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5559e2cc55ba - main
[INFO] [stderr]   22:     0x7f56ac52e2e1 - __libc_start_main
[INFO] [stderr]   23:     0x5559e2cc3f8a - _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" "49c38c0d8695268a6b6b2ca465b1998d869806472d94167b52f478d0db4cc1c0"`
[INFO] running `"docker" "rm" "-f" "49c38c0d8695268a6b6b2ca465b1998d869806472d94167b52f478d0db4cc1c0"`
[INFO] [stdout] 49c38c0d8695268a6b6b2ca465b1998d869806472d94167b52f478d0db4cc1c0