[INFO] fetching crate rustdemo 0.1.0... [INFO] checking rustdemo-0.1.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627 [INFO] extracting crate rustdemo 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate rustdemo 0.1.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustdemo 0.1.0 [INFO] finished tweaking crates.io crate rustdemo 0.1.0 [INFO] tweaked toml for crates.io crate rustdemo 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb58fb83007ff5bd467857493b16c76ba5545e1235fe3dbff3b6afe569da1336 [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" "cb58fb83007ff5bd467857493b16c76ba5545e1235fe3dbff3b6afe569da1336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb58fb83007ff5bd467857493b16c76ba5545e1235fe3dbff3b6afe569da1336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb58fb83007ff5bd467857493b16c76ba5545e1235fe3dbff3b6afe569da1336", kill_on_drop: false }` [INFO] [stdout] cb58fb83007ff5bd467857493b16c76ba5545e1235fe3dbff3b6afe569da1336 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e7f0726753377a66a8aa9f220057a34b3a817eb990a3b3fd1787529c2aab0a01 [INFO] running `Command { std: "docker" "start" "-a" "e7f0726753377a66a8aa9f220057a34b3a817eb990a3b3fd1787529c2aab0a01", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling rustdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `rustdemo v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustdemo-c4f8aecb3d1bb57e/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:9:42 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5573cde497ff - std::backtrace_rs::backtrace::libunwind::trace::h8864605b5c3dbe2c [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x5573cde497ff - std::backtrace_rs::backtrace::trace_unsynchronized::h1f622efed412f077 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5573cde497ff - std::sys_common::backtrace::_print_fmt::h8e17da323f21cc2b [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5573cde497ff - ::fmt::hd4a7293426badf40 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x5573cde6331c - core::fmt::write::hfbd2baad61ed21a8 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x5573cde47ea2 - std::io::Write::write_fmt::h54828fb1bd41a052 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/io/mod.rs:1508 [INFO] [stderr] 6: 0x5573cde4bd00 - std::sys_common::backtrace::_print::h6ba0300926b9fb58 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x5573cde4bd00 - std::sys_common::backtrace::print::hd11f0188385cb859 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x5573cde4bd00 - std::panicking::default_hook::{{closure}}::h57b45fcdc30fe8e4 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5573cde4ba4c - std::panicking::default_hook::h067cd795bad37ff3 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5573cde4c343 - std::panicking::rust_panic_with_hook::hd1b93581b69959be [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x5573cde4bf3b - rust_begin_unwind [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x5573cde62721 - core::panicking::panic_fmt::h9cc57011b345cfad [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5573cde62543 - core::option::expect_none_failed::h10abb5a6aef32df8 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/option.rs:1273 [INFO] [stderr] 14: 0x5573cde2c87b - core::result::Result::unwrap::h421289a2b94915e9 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5573cde2c246 - build_script_build::main::hdc2f5056c505d33c [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9 [INFO] [stderr] 16: 0x5573cde2cbfb - std::rt::lang_start::{{closure}}::hfea6b9bde36532a2 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5573cde4c713 - std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5573cde4c713 - std::panicking::try::do_call::h31d9073533c95062 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x5573cde4c713 - std::panicking::try::h9be90170880ba1d0 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x5573cde4c713 - std::panic::catch_unwind::hba3ee29aa4d47586 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5573cde4c713 - std::rt::lang_start_internal::h90880417661a7eb6 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5573cde2cbd7 - std::rt::lang_start::h1cb20b92bcb8e1c5 [INFO] [stderr] at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5573cde2c50a - main [INFO] [stderr] 24: 0x7f4d7e4690b3 - __libc_start_main [INFO] [stderr] 25: 0x5573cde2c0ae - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e7f0726753377a66a8aa9f220057a34b3a817eb990a3b3fd1787529c2aab0a01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7f0726753377a66a8aa9f220057a34b3a817eb990a3b3fd1787529c2aab0a01", kill_on_drop: false }` [INFO] [stdout] e7f0726753377a66a8aa9f220057a34b3a817eb990a3b3fd1787529c2aab0a01