[INFO] updating cached repository tanis2000/rust-sdl2-wasm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tanis2000/rust-sdl2-wasm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tanis2000/rust-sdl2-wasm" "work/ex/beta-1.37-6/sources/1.36.0/gh/tanis2000/rust-sdl2-wasm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tanis2000/rust-sdl2-wasm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tanis2000/rust-sdl2-wasm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tanis2000/rust-sdl2-wasm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tanis2000/rust-sdl2-wasm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cf64b7367db0a079a01165afb26e638f1cf4beb6 [INFO] sha for GitHub repo tanis2000/rust-sdl2-wasm: cf64b7367db0a079a01165afb26e638f1cf4beb6 [INFO] validating manifest of tanis2000/rust-sdl2-wasm on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tanis2000/rust-sdl2-wasm on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tanis2000/rust-sdl2-wasm [INFO] finished frobbing tanis2000/rust-sdl2-wasm [INFO] frobbed toml for tanis2000/rust-sdl2-wasm written to work/ex/beta-1.37-6/sources/1.36.0/gh/tanis2000/rust-sdl2-wasm/Cargo.toml [INFO] started frobbing tanis2000/rust-sdl2-wasm [INFO] finished frobbing tanis2000/rust-sdl2-wasm [INFO] frobbed toml for tanis2000/rust-sdl2-wasm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tanis2000/rust-sdl2-wasm/Cargo.toml [INFO] crate tanis2000/rust-sdl2-wasm already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tanis2000/rust-sdl2-wasm against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tanis2000/rust-sdl2-wasm:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] b3d70b107ad5d5ade6757118f3bf80144871bf0d1000f1dcee373a4ca218198c [INFO] running `"docker" "start" "-a" "b3d70b107ad5d5ade6757118f3bf80144871bf0d1000f1dcee373a4ca218198c"` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling curl v0.4.22 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.4 [INFO] [stderr] Compiling sdl2 v0.32.2 (https://github.com/Rust-SDL2/rust-sdl2.git#776c72e8) [INFO] [stderr] Compiling base-x v0.2.4 [INFO] [stderr] Compiling discard v1.0.4 [INFO] [stderr] Compiling cmake v0.1.40 [INFO] [stderr] Compiling curl-sys v0.4.18 [INFO] [stderr] Compiling sdl2-sys v0.32.6 (https://github.com/Rust-SDL2/rust-sdl2.git#776c72e8) [INFO] [stderr] Compiling stb_image v0.2.2 [INFO] [stderr] Compiling socket2 v0.3.9 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling gl_generator v0.5.5 [INFO] [stderr] Compiling stdweb v0.4.17 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling rust-sdl2-wasm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> build.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> build.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `target` is assigned to, but never used [INFO] [stderr] --> build.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let target; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] = note: consider using `_target` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target_os` [INFO] [stderr] --> build.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let target_os = env::var("TARGET").unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_target_os` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `target` is never read [INFO] [stderr] --> build.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | target = Path::new(¤t_dir).join("target/release"); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `target` is never read [INFO] [stderr] --> build.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | target = Path::new(¤t_dir).join("target/debug"); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `rust-sdl2-wasm v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rust-sdl2-wasm-bc193dbf6066364e/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Could not open output file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c15f5c8c4b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55c15f5c8c4b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c15f5c8c4b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55c15f5c8c4b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55c15f5c8c4b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55c15f5c8927 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55c15f5c93c0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55c15f5c8f42 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55c15f5c8e26 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55c15f5e283d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55c15f4906c3 - core::result::unwrap_failed::hec3727d5ef02c079 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55c15f491e83 - core::result::Result::expect::h529c7df332afd8c2 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827 [INFO] [stderr] 12: 0x55c15f48fe83 - build_script_build::download_from_url::h282069406c1076b5 [INFO] [stderr] at /opt/crater/workdir/build.rs:47 [INFO] [stderr] 13: 0x55c15f48fc39 - build_script_build::main::h8b5ecd292c65b598 [INFO] [stderr] at /opt/crater/workdir/build.rs:38 [INFO] [stderr] 14: 0x55c15f48e040 - std::rt::lang_start::{{closure}}::he745f11a976b0fcd [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x55c15f5c8dc3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x55c15f5c8dc3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 17: 0x55c15f5cf30a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 18: 0x55c15f5c998d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 19: 0x55c15f5c998d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55c15f5c998d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x55c15f48e019 - std::rt::lang_start::hd730c251348e487d [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x55c15f4901aa - main [INFO] [stderr] 23: 0x7fc0123e42e1 - __libc_start_main [INFO] [stderr] 24: 0x55c15f477b3a - _start [INFO] [stderr] 25: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b3d70b107ad5d5ade6757118f3bf80144871bf0d1000f1dcee373a4ca218198c"` [INFO] running `"docker" "rm" "-f" "b3d70b107ad5d5ade6757118f3bf80144871bf0d1000f1dcee373a4ca218198c"` [INFO] [stdout] b3d70b107ad5d5ade6757118f3bf80144871bf0d1000f1dcee373a4ca218198c