[INFO] cloning 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" "clone" "--bare" "https://github.com/osoco/osoco-xmas2018-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosoco%2Fosoco-xmas2018-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosoco%2Fosoco-xmas2018-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8f53369d06999e5a0a59efe4805ff25e351b1d9
[INFO] testing osoco/osoco-xmas2018-wasm against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosoco%2Fosoco-xmas2018-wasm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osoco/osoco-xmas2018-wasm on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 14b2285d28b574971fc56a870dc2141965197d527bf813bc9126d285bab54106
[INFO] running `Command { std: "docker" "start" "-a" "14b2285d28b574971fc56a870dc2141965197d527bf813bc9126d285bab54106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b2285d28b574971fc56a870dc2141965197d527bf813bc9126d285bab54106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b2285d28b574971fc56a870dc2141965197d527bf813bc9126d285bab54106", kill_on_drop: false }`
[INFO] [stdout] 14b2285d28b574971fc56a870dc2141965197d527bf813bc9126d285bab54106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc11c048cbbd859b111aeee416bc8e47e936f04508f30489037aa7185eb0f659
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc11c048cbbd859b111aeee416bc8e47e936f04508f30489037aa7185eb0f659", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[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 either v1.5.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling collider v0.3.1
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling memchr v2.1.1
[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]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling sdl2 v0.29.1
[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]    Compiling 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_xmas2018-90138426e763cdbb/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'failed to create assets directory: Os { code: 30, kind: ReadOnlyFilesystem, 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:     0x55ea2573db2c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55ea2573db2c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ea2573db2c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ea2573db2c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ea2575b19c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55ea2573a095 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x55ea2573f490 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ea2573f490 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ea2573f490 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55ea2573f03b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55ea2573fb44 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55ea2573f620 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x55ea2573dfe4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55ea2573f589 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x55ea25356501 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x55ea25356593 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x55ea256aa198 - core::result::Result<T,E>::expect::hcc1af73bc1ff1a68
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x55ea25358414 - gate_build::asset_packer::AssetPacker::new::h589a4b87b3d20080
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gate_build-0.6.2/src/asset_packer.rs:49:9
[INFO] [stderr]     18:     0x55ea25356ee4 - build_script_build::main::h75b7126fc66fd473
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:32:22
[INFO] [stderr]     19:     0x55ea2535767b - core::ops::function::FnOnce::call_once::h1ccfc7b91ebd0814
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55ea253572be - std::sys_common::backtrace::__rust_begin_short_backtrace::h6500b4c75f1e628e
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     21:     0x55ea25357291 - std::rt::lang_start::{{closure}}::h1866fb954f5ad693
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x55ea2573d371 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55ea2573d371 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     24:     0x55ea2573d371 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     25:     0x55ea2573d371 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x55ea2573d371 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x55ea2573d371 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     28:     0x55ea2573d371 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     29:     0x55ea2573d371 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     30:     0x55ea2573d371 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x55ea25357260 - std::rt::lang_start::h9607486ef529c233
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x55ea2535722c - main
[INFO] [stderr]     33:     0x7f54fda870b3 - __libc_start_main
[INFO] [stderr]     34:     0x55ea25356c5e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "dc11c048cbbd859b111aeee416bc8e47e936f04508f30489037aa7185eb0f659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc11c048cbbd859b111aeee416bc8e47e936f04508f30489037aa7185eb0f659", kill_on_drop: false }`
[INFO] [stdout] dc11c048cbbd859b111aeee416bc8e47e936f04508f30489037aa7185eb0f659