[INFO] updating cached repository https://github.com/osoco/osoco-xmas2018-wasm
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8f53369d06999e5a0a59efe4805ff25e351b1d9
[INFO] checking osoco/osoco-xmas2018-wasm against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosoco%2Fosoco-xmas2018-wasm" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osoco/osoco-xmas2018-wasm on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/osoco/osoco-xmas2018-wasm
[INFO] finished tweaking git repo https://github.com/osoco/osoco-xmas2018-wasm
[INFO] tweaked toml for git repo https://github.com/osoco/osoco-xmas2018-wasm written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/osoco/osoco-xmas2018-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 533a67259910275996a6d51ae33d414b6e8519d66565f2e0702f4d6eb5589a3b
[INFO] running `Command { std: "docker" "start" "-a" "533a67259910275996a6d51ae33d414b6e8519d66565f2e0702f4d6eb5589a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533a67259910275996a6d51ae33d414b6e8519d66565f2e0702f4d6eb5589a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533a67259910275996a6d51ae33d414b6e8519d66565f2e0702f4d6eb5589a3b", kill_on_drop: false }`
[INFO] [stdout] 533a67259910275996a6d51ae33d414b6e8519d66565f2e0702f4d6eb5589a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9270014cfe8a8d8fc1cfbbbcb47d121ba99f46fab4e0afde9182b783f53b67e
[INFO] running `Command { std: "docker" "start" "-a" "c9270014cfe8a8d8fc1cfbbbcb47d121ba99f46fab4e0afde9182b783f53b67e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking collider v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.29.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.15.0
[INFO] [stderr]    Compiling gate_build v0.6.2
[INFO] [stderr]     Checking gate v0.6.2
[INFO] [stderr]    Compiling osoco_xmas2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `osoco_xmas2018 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/osoco_xmas2018-ad83a0d82e6993c7/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'failed to create assets directory: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gate_build-0.6.2/src/asset_packer.rs:49:40
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d3dfdc982f - std::backtrace_rs::backtrace::libunwind::trace::h8864605b5c3dbe2c
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55d3dfdc982f - std::backtrace_rs::backtrace::trace_unsynchronized::h1f622efed412f077
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d3dfdc982f - std::sys_common::backtrace::_print_fmt::h8e17da323f21cc2b
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x55d3dfdc982f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4a7293426badf40
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55d3dfde6d2c - core::fmt::write::hfbd2baad61ed21a8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55d3dfdc64a2 - std::io::Write::write_fmt::h54828fb1bd41a052
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/io/mod.rs:1508
[INFO] [stderr]      6:     0x55d3dfdcbf60 - std::sys_common::backtrace::_print::h6ba0300926b9fb58
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55d3dfdcbf60 - std::sys_common::backtrace::print::hd11f0188385cb859
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55d3dfdcbf60 - std::panicking::default_hook::{{closure}}::h57b45fcdc30fe8e4
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55d3dfdcbcac - std::panicking::default_hook::h067cd795bad37ff3
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55d3dfdcc5a3 - std::panicking::rust_panic_with_hook::hd1b93581b69959be
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55d3dfdcc19b - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55d3dfde6131 - core::panicking::panic_fmt::h9cc57011b345cfad
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55d3dfde5f53 - core::option::expect_none_failed::h10abb5a6aef32df8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/option.rs:1273
[INFO] [stderr]     14:     0x55d3dfd2a89f - core::result::Result<T,E>::expect::ha4ad1780e81b4c4a
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x55d3df9c69ad - gate_build::asset_packer::AssetPacker::new::h4f593526b9c0c1a5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gate_build-0.6.2/src/asset_packer.rs:49
[INFO] [stderr]     16:     0x55d3df9b1307 - build_script_build::main::hbfcc1f53ac0608b2
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:32
[INFO] [stderr]     17:     0x55d3df9b1afb - std::rt::lang_start::{{closure}}::hc5fdb64cc6f235ea
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     18:     0x55d3dfdcca43 - std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:52
[INFO] [stderr]     19:     0x55d3dfdcca43 - std::panicking::try::do_call::h31d9073533c95062
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:348
[INFO] [stderr]     20:     0x55d3dfdcca43 - std::panicking::try::h9be90170880ba1d0
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:325
[INFO] [stderr]     21:     0x55d3dfdcca43 - std::panic::catch_unwind::hba3ee29aa4d47586
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panic.rs:394
[INFO] [stderr]     22:     0x55d3dfdcca43 - std::rt::lang_start_internal::h90880417661a7eb6
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:51
[INFO] [stderr]     23:     0x55d3df9b1ad7 - std::rt::lang_start::haaaf4fd71643dd19
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     24:     0x55d3df9b164a - main
[INFO] [stderr]     25:     0x7ff27a5c50b3 - __libc_start_main
[INFO] [stderr]     26:     0x55d3df9b10be - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c9270014cfe8a8d8fc1cfbbbcb47d121ba99f46fab4e0afde9182b783f53b67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9270014cfe8a8d8fc1cfbbbcb47d121ba99f46fab4e0afde9182b783f53b67e", kill_on_drop: false }`
[INFO] [stdout] c9270014cfe8a8d8fc1cfbbbcb47d121ba99f46fab4e0afde9182b783f53b67e