[INFO] fetching crate ext4 0.7.0... [INFO] documenting ext4-0.7.0 against 1.46.0 for beta-1.47-rustdoc-1 [INFO] extracting crate ext4 0.7.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ext4 0.7.0 on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ext4 0.7.0 [INFO] finished tweaking crates.io crate ext4 0.7.0 [INFO] tweaked toml for crates.io crate ext4 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5953bc644f434dceeafde87e1c4a5a85f337d539f1e5ff6150c3b8c5ae60154c [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" "5953bc644f434dceeafde87e1c4a5a85f337d539f1e5ff6150c3b8c5ae60154c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5953bc644f434dceeafde87e1c4a5a85f337d539f1e5ff6150c3b8c5ae60154c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5953bc644f434dceeafde87e1c4a5a85f337d539f1e5ff6150c3b8c5ae60154c", kill_on_drop: false }` [INFO] [stdout] 5953bc644f434dceeafde87e1c4a5a85f337d539f1e5ff6150c3b8c5ae60154c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 186e23dfe6f2fc9e4ec7063f8fe1a0861b97f1887fd785c1869ce2576ff0e464 [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" "186e23dfe6f2fc9e4ec7063f8fe1a0861b97f1887fd785c1869ce2576ff0e464", kill_on_drop: false }` [INFO] [stderr] Compiling ext4 v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `ext4 v0.7.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ext4-0fcdbf7202e6e0b7/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: 0x558a7fc7cd95 - backtrace::backtrace::libunwind::trace::h14d338b30b3ea0a7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x558a7fc7cd95 - backtrace::backtrace::trace_unsynchronized::h73ea91d74a3fd67f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558a7fc7cd95 - std::sys_common::backtrace::_print_fmt::hd42948c952866e12 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x558a7fc7cd95 - ::fmt::ha8f928866ff7571e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x558a7fc9ecbc - core::fmt::write::he0c1e5f7426d2718 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x558a7fc7b252 - std::io::Write::write_fmt::hf3afc6cfd57d0033 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x558a7fc7f1d0 - std::sys_common::backtrace::_print::hfc0110703f3696fd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x558a7fc7f1d0 - std::sys_common::backtrace::print::h3f77c6990ddfaa22 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x558a7fc7f1d0 - std::panicking::default_hook::{{closure}}::heae49580a8d62d75 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x558a7fc7ef1c - std::panicking::default_hook::hecc34e3f729e213c [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x558a7fc7f813 - std::panicking::rust_panic_with_hook::he82f5d0644692441 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x558a7fc74cc5 - std::panicking::begin_panic::h4f4e44ea67dfc28a [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x558a7fc74b48 - build_script_build::extract_test_images::hb621da5da1d469ef [INFO] [stderr] at /opt/rustwide/workdir/build.rs:12 [INFO] [stderr] 13: 0x558a7fc74bde - build_script_build::main::h5252d5b60bee908e [INFO] [stderr] at /opt/rustwide/workdir/build.rs:22 [INFO] [stderr] 14: 0x558a7fc7141b - std::rt::lang_start::{{closure}}::h2e2b2b62d698a93b [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x558a7fc7fbe3 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x558a7fc7fbe3 - std::panicking::try::do_call::hac65e71be769a440 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 17: 0x558a7fc7fbe3 - std::panicking::try::hd4706e264bcf6712 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 18: 0x558a7fc7fbe3 - std::panic::catch_unwind::h948a0fb4a8b3ee82 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x558a7fc7fbe3 - std::rt::lang_start_internal::h72cc068ed2d0ac53 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x558a7fc713f7 - std::rt::lang_start::hb5c448ca5a950d17 [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x558a7fc74c2a - main [INFO] [stderr] 22: 0x7f640859e0b3 - __libc_start_main [INFO] [stderr] 23: 0x558a7fc6d18e - _start [INFO] [stderr] 24: 0x0 - [INFO] running `Command { std: "docker" "inspect" "186e23dfe6f2fc9e4ec7063f8fe1a0861b97f1887fd785c1869ce2576ff0e464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "186e23dfe6f2fc9e4ec7063f8fe1a0861b97f1887fd785c1869ce2576ff0e464", kill_on_drop: false }` [INFO] [stdout] 186e23dfe6f2fc9e4ec7063f8fe1a0861b97f1887fd785c1869ce2576ff0e464