[INFO] updating cached repository https://github.com/JameeKim/floating-in-space
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] f7501348028a0ef5341fcc08d46512f6749a46a4
[INFO] checking JameeKim/floating-in-space against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJameeKim%2Ffloating-in-space" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  65% (13/20)   
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Checking out files: 100% (20/20), done.
[INFO] validating manifest of git repo https://github.com/JameeKim/floating-in-space on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JameeKim/floating-in-space
[INFO] finished tweaking git repo https://github.com/JameeKim/floating-in-space
[INFO] tweaked toml for git repo https://github.com/JameeKim/floating-in-space written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/JameeKim/floating-in-space already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 94f707e8455476bb43596ba090b530f00578e8f20634ca54b291d1f90684ce76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "94f707e8455476bb43596ba090b530f00578e8f20634ca54b291d1f90684ce76"`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking hetseq v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking seahash v3.0.5
[INFO] [stderr]     Checking claxon v0.3.2
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling mikktspace v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling bincode v1.1.1
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking annotate-snippets v0.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[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]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking intl_pluralrules v1.0.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking fluent-syntax v0.1.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking png v0.12.0
[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-4c45ef29055bb5b4/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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5588fbf54b64 - backtrace::backtrace::libunwind::trace::hda902e3a4eb9d449
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5588fbf54b64 - backtrace::backtrace::trace_unsynchronized::h06df0062bb63b7e2
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5588fbf54b64 - std::sys_common::backtrace::_print_fmt::ha5249daf78f399e8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5588fbf54b64 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h68243ef2eafa8843
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5588fbf77a8c - core::fmt::write::h8b50d07b82ae3922
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x5588fbf526b3 - std::io::Write::write_fmt::h9a5b9a212b705549
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x5588fbf57105 - std::sys_common::backtrace::_print::hcd11fe8eb9e7335d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5588fbf57105 - std::sys_common::backtrace::print::h475286256f91474c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5588fbf57105 - std::panicking::default_hook::{{closure}}::h2a45e9d6ef27161b
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x5588fbf56e42 - std::panicking::default_hook::h76adec688b27abdd
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x5588fbf57712 - std::panicking::rust_panic_with_hook::h121f4f2c52efbcbf
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x5588fbf572fb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x5588fbf76e71 - core::panicking::panic_fmt::hee64f597d93665b6
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x5588fbf76c93 - core::option::expect_none_failed::h90fed74f6e49bf90
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x5588fbf29f7b - core::result::Result<T,E>::unwrap::h59018d3b4c54e791
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x5588fbf27055 - build_script_build::main::h0797c9ca694085f4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   16:     0x5588fbf28cdb - std::rt::lang_start::{{closure}}::h5d56426e9ef09a35
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x5588fbf57b58 - std::rt::lang_start_internal::{{closure}}::h15b56bd7f81214ad
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x5588fbf57b58 - std::panicking::try::do_call::hbe8467da291bc822
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x5588fbf57b58 - std::panicking::try::hde3b5cbc6989304d
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x5588fbf57b58 - std::panic::catch_unwind::h56844acb323fdd6c
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x5588fbf57b58 - std::rt::lang_start_internal::hae379591a9420b87
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x5588fbf28cb7 - std::rt::lang_start::hbc774a94b7ce3306
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x5588fbf2817a - main
[INFO] [stderr]   24:     0x7f2d45864b97 - __libc_start_main
[INFO] [stderr]   25:     0x5588fbf269aa - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "94f707e8455476bb43596ba090b530f00578e8f20634ca54b291d1f90684ce76"`
[INFO] running `"docker" "rm" "-f" "94f707e8455476bb43596ba090b530f00578e8f20634ca54b291d1f90684ce76"`
[INFO] [stdout] 94f707e8455476bb43596ba090b530f00578e8f20634ca54b291d1f90684ce76