[INFO] crate ext4 0.6.0 is already in cache [INFO] testing ext4-0.6.0 against 1.38.0 for beta-1.39-1 [INFO] extracting crate ext4 0.6.0 into work/builds/worker-4/source [INFO] validating manifest of crates.io crate ext4 0.6.0 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ext4 0.6.0 [INFO] finished tweaking crates.io crate ext4 0.6.0 [INFO] tweaked toml for crates.io crate ext4 0.6.0 written to work/builds/worker-4/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 346ae09ae04dcff2c957c42799cf001eea7026aef5df938a9343681aa107329f [INFO] running `"docker" "start" "-a" "346ae09ae04dcff2c957c42799cf001eea7026aef5df938a9343681aa107329f"` [INFO] [stderr] Compiling ext4 v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `ext4 v0.6.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ext4-d267ac8983e25e9e/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] tar: all-types.img: Cannot open: Read-only file system [INFO] [stderr] tar: all-types-32.img: Cannot open: Read-only file system [INFO] [stderr] tar: all-types-tiny.img: Cannot open: Read-only file system [INFO] [stderr] tar: all-types-big.img: Cannot open: Read-only file system [INFO] [stderr] tar: all-types-big-32.img: Cannot open: Read-only file system [INFO] [stderr] tar: Exiting with failure status due to previous errors [INFO] [stderr] thread 'main' panicked at 'assertion failed: process::Command::new("tar").args(&["-C", DEST, "-xf", [INFO] [stderr] "scripts/generate-images/images.tgz"]).spawn()?.wait()?.success()', build.rs:12:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5630d462f5ab - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5630d462f5ab - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5630d462f5ab - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5630d462f5ab - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5630d462f5ab - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5630d462f286 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5630d462fc6d - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5630d4625bf1 - std::panicking::begin_panic::h3194eb7513835832 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x5630d461f375 - build_script_build::extract_test_images::hc96691d3aea4c6bc [INFO] [stderr] at /opt/rustwide/workdir/build.rs:12 [INFO] [stderr] 9: 0x5630d461f54e - build_script_build::main::hd9ce2c4f4bf296fe [INFO] [stderr] at /opt/rustwide/workdir/build.rs:24 [INFO] [stderr] 10: 0x5630d4625b30 - std::rt::lang_start::{{closure}}::he5cdbbba4db0a7ea [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 11: 0x5630d462f6c3 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 12: 0x5630d462f6c3 - std::panicking::try::do_call::h9440ccd4dc467eaa [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 13: 0x5630d4635a8a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 14: 0x5630d463017d - std::panicking::try::hc046e7ee42ee744f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 15: 0x5630d463017d - std::panic::catch_unwind::h27dfc457c200aee0 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 16: 0x5630d463017d - std::rt::lang_start_internal::hea1b49a567afe309 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 17: 0x5630d4625b09 - std::rt::lang_start::hf75266781bcd71c8 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x5630d461f58a - main [INFO] [stderr] 19: 0x7f3dc4217b97 - __libc_start_main [INFO] [stderr] 20: 0x5630d461bd5a - _start [INFO] [stderr] 21: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "346ae09ae04dcff2c957c42799cf001eea7026aef5df938a9343681aa107329f"` [INFO] running `"docker" "rm" "-f" "346ae09ae04dcff2c957c42799cf001eea7026aef5df938a9343681aa107329f"` [INFO] [stdout] 346ae09ae04dcff2c957c42799cf001eea7026aef5df938a9343681aa107329f