[INFO] fetching crate ext4 0.7.0... [INFO] checking ext4-0.7.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104 [INFO] extracting crate ext4 0.7.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ext4 0.7.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bootsector v0.1.4 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7bf71da29f270ecf64f97a5189ae2e05e3350bf14da80f6151b1caf7a947711b [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" "7bf71da29f270ecf64f97a5189ae2e05e3350bf14da80f6151b1caf7a947711b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7bf71da29f270ecf64f97a5189ae2e05e3350bf14da80f6151b1caf7a947711b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bf71da29f270ecf64f97a5189ae2e05e3350bf14da80f6151b1caf7a947711b", kill_on_drop: false }` [INFO] [stdout] 7bf71da29f270ecf64f97a5189ae2e05e3350bf14da80f6151b1caf7a947711b [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f4e0c3147e3f3a5fc37ff2dd258a8aece59d4f0730da175cffda08e3ff6c882 [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" "7f4e0c3147e3f3a5fc37ff2dd258a8aece59d4f0730da175cffda08e3ff6c882", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ext4 v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking bootsector v0.1.4 [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/ext4-42f9e263289d2f7b/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: 0x558f40d3f3b0 - std::backtrace_rs::backtrace::libunwind::trace::h14e81b0c16b543a7 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x558f40d3f3b0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc9e39e172835ff32 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558f40d3f3b0 - std::sys_common::backtrace::_print_fmt::h31994df1c8c77b8f [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x558f40d3f3b0 - ::fmt::he74e98acff43ec99 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x558f40d5c6ac - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x558f40d3da47 - std::io::Write::write_fmt::hea6289e6649ff508 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x558f40d414c0 - std::sys_common::backtrace::_print::h8cc65937fea24014 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x558f40d414c0 - std::sys_common::backtrace::print::hff6a0ebb96535e34 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x558f40d414c0 - std::panicking::default_hook::{{closure}}::h71b9700c5dda1b1d [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x558f40d4120c - std::panicking::default_hook::h0c46e634c06c69b6 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x558f40d41b23 - std::panicking::rust_panic_with_hook::he52576a0c2093334 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x558f40d2af48 - std::panicking::begin_panic::{{closure}}::h05179f4ddf99fad4 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panicking.rs:506 [INFO] [stderr] 12: 0x558f40d26908 - std::sys_common::backtrace::__rust_end_short_backtrace::h333456d792f194ed [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x558f40d2ae73 - std::panicking::begin_panic::h573d6e849e19f61c [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panicking.rs:505 [INFO] [stderr] 14: 0x558f40d2b744 - build_script_build::extract_test_images::h32cc946d6465631c [INFO] [stderr] at /opt/rustwide/workdir/build.rs:12 [INFO] [stderr] 15: 0x558f40d2b7de - build_script_build::main::h1d51c206df529fe7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:22 [INFO] [stderr] 16: 0x558f40d2737b - core::ops::function::FnOnce::call_once::he0359f685e128230 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/core/src/ops/function.rs:227 [INFO] [stderr] 17: 0x558f40d2693e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3c8ea0a7d32c5a85 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 18: 0x558f40d2a071 - std::rt::lang_start::{{closure}}::hb439e61dea5580b3 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/rt.rs:66 [INFO] [stderr] 19: 0x558f40d41f21 - core::ops::function::impls:: for &F>::call_once::h009d20b8a620bf60 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/core/src/ops/function.rs:259 [INFO] [stderr] 20: 0x558f40d41f21 - std::panicking::try::do_call::h09431c39e2107c90 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panicking.rs:381 [INFO] [stderr] 21: 0x558f40d41f21 - std::panicking::try::he27cf60b958af343 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panicking.rs:345 [INFO] [stderr] 22: 0x558f40d41f21 - std::panic::catch_unwind::h7b646b0041dc5591 [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/panic.rs:382 [INFO] [stderr] 23: 0x558f40d41f21 - std::rt::lang_start_internal::hdad6c98af1e4747e [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/rt.rs:51 [INFO] [stderr] 24: 0x558f40d2a047 - std::rt::lang_start::h557c2afd9ca4b6ea [INFO] [stderr] at /rustc/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/library/std/src/rt.rs:65 [INFO] [stderr] 25: 0x558f40d2b82a - main [INFO] [stderr] 26: 0x7f574367a0b3 - __libc_start_main [INFO] [stderr] 27: 0x558f40d240ae - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7f4e0c3147e3f3a5fc37ff2dd258a8aece59d4f0730da175cffda08e3ff6c882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f4e0c3147e3f3a5fc37ff2dd258a8aece59d4f0730da175cffda08e3ff6c882", kill_on_drop: false }` [INFO] [stdout] 7f4e0c3147e3f3a5fc37ff2dd258a8aece59d4f0730da175cffda08e3ff6c882