[INFO] updating cached repository hfaulds/pong-extended
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hfaulds/pong-extended
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hfaulds/pong-extended" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/hfaulds/pong-extended"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/hfaulds/pong-extended'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hfaulds/pong-extended" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/hfaulds/pong-extended"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/hfaulds/pong-extended'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffef74fa2b6c00b0711baf52510e10ccb2d74d31
[INFO] sha for GitHub repo hfaulds/pong-extended: ffef74fa2b6c00b0711baf52510e10ccb2d74d31
[INFO] validating manifest of hfaulds/pong-extended on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hfaulds/pong-extended on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hfaulds/pong-extended
[INFO] removed path dependency amethyst from hfaulds/pong-extended
[INFO] finished frobbing hfaulds/pong-extended
[INFO] frobbed toml for hfaulds/pong-extended written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/hfaulds/pong-extended/Cargo.toml
[INFO] started frobbing hfaulds/pong-extended
[INFO] removed path dependency amethyst from hfaulds/pong-extended
[INFO] finished frobbing hfaulds/pong-extended
[INFO] frobbed toml for hfaulds/pong-extended written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/hfaulds/pong-extended/Cargo.toml
[INFO] crate hfaulds/pong-extended already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/hfaulds/pong-extended/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hfaulds/pong-extended against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/hfaulds/pong-extended:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cbe11031c64a8f4134ce7c04df4d5a7d615e012153c216d25205af5c5a70e8fc
[INFO] running `"docker" "start" "-a" "cbe11031c64a8f4134ce7c04df4d5a7d615e012153c216d25205af5c5a70e8fc"`
[INFO] [stderr] warning: dependency (amethyst) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking hetseq v0.2.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking annotate-snippets v0.1.0
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[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 xcb v0.8.2
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]    Compiling gfx_macros v0.2.1
[INFO] [stderr]     Checking intl_pluralrules v1.0.2
[INFO] [stderr]     Checking fluent-syntax v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-692a1b5280732370/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:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55dc4163b5a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h62b0d85f9c8a0c1e
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55dc416376db - std::sys_common::backtrace::_print::h7a1acbdfd9a46dca
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55dc4163a436 - std::panicking::default_hook::{{closure}}::h145cf58405d7b62e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55dc4163a1c9 - std::panicking::default_hook::h2c72f204748779fc
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55dc4163aa8f - std::panicking::rust_panic_with_hook::h0d1908ec672b6122
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55dc4163a611 - std::panicking::continue_panic_fmt::h1b054ec5d85f42bd
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55dc4163a4f5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55dc4164fa4c - core::panicking::panic_fmt::h82d1666e474cde7a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55dc4160adb2 - core::result::unwrap_failed::hceb70d313d2f1b48
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x55dc4160b066 - core::result::Result<T,E>::unwrap::he07ed6fc5e5523d8
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x55dc4160893a - build_script_build::main::h5415e11e8f65939f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   11:     0x55dc4160a0ff - std::rt::lang_start::{{closure}}::h7c8f592c53645ebd
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55dc4163a4e2 - std::panicking::try::do_call::ha5fe25206b7efe63
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55dc41640f49 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x55dc4163af9c - std::rt::lang_start_internal::he0b4f394f16cd6fc
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55dc4160a0d8 - std::rt::lang_start::he3fada73d54c4666
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55dc41609939 - main
[INFO] [stderr]   17:     0x7f9485e782e0 - __libc_start_main
[INFO] [stderr]   18:     0x55dc416082b9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cbe11031c64a8f4134ce7c04df4d5a7d615e012153c216d25205af5c5a70e8fc"`
[INFO] running `"docker" "rm" "-f" "cbe11031c64a8f4134ce7c04df4d5a7d615e012153c216d25205af5c5a70e8fc"`
[INFO] [stdout] cbe11031c64a8f4134ce7c04df4d5a7d615e012153c216d25205af5c5a70e8fc