[INFO] fetching crate rustdemo 0.1.0... [INFO] checking rustdemo-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate rustdemo 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate rustdemo 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef810ce81c2c74354db625b32893f932953a643a885096c3deebb54954f31577 [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" "ef810ce81c2c74354db625b32893f932953a643a885096c3deebb54954f31577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef810ce81c2c74354db625b32893f932953a643a885096c3deebb54954f31577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef810ce81c2c74354db625b32893f932953a643a885096c3deebb54954f31577", kill_on_drop: false }` [INFO] [stdout] ef810ce81c2c74354db625b32893f932953a643a885096c3deebb54954f31577 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5cf07aa4cc7c718e7cd283af335e103c3ca3828bedab9f977361eea0c9aa1b7f [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" "5cf07aa4cc7c718e7cd283af335e103c3ca3828bedab9f977361eea0c9aa1b7f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking num-traits v0.2.14 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-iter v0.1.42 [INFO] [stderr] Compiling rustdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [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-556720be6c7cf030/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: 0x55c75054e947 - std::backtrace_rs::backtrace::libunwind::trace::h8bc78f7bc1f75bdb [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55c75054e947 - std::backtrace_rs::backtrace::trace_unsynchronized::ha4c961c9576f95ba [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55c75054e947 - std::sys_common::backtrace::_print_fmt::hc20cfdc233d6eb02 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55c75054e947 - ::fmt::h04bea14549780a0f [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55c7505658dc - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x55c75054cbb2 - std::io::Write::write_fmt::h55dd75636eef6a5c [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x55c750550675 - std::sys_common::backtrace::_print::h6439e8525077c7da [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55c750550675 - std::sys_common::backtrace::print::h02b685f728ce3931 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55c750550675 - std::panicking::default_hook::{{closure}}::h7c29625065fafae1 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55c7505501d3 - std::panicking::default_hook::hba441710bb71f4d5 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55c750550e11 - std::panicking::rust_panic_with_hook::ha936eb00e51bc4d9 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55c750550957 - std::panicking::begin_panic_handler::{{closure}}::hcd15140e0238536e [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55c75054ee0c - std::sys_common::backtrace::__rust_end_short_backtrace::hb13a021bb64823a1 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55c7505508b9 - rust_begin_unwind [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55c750564cb1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55c750564ad3 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/option.rs:1266:5 [INFO] [stderr] 16: 0x55c75052ef2b - core::result::Result::unwrap::h03830d6afd4054a3 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/result.rs:969:23 [INFO] [stderr] 17: 0x55c75052e405 - build_script_build::main::ha3533c97ca8acf1c [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9:17 [INFO] [stderr] 18: 0x55c75052df4b - core::ops::function::FnOnce::call_once::h1f46c78e5f63173a [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55c75052deae - std::sys_common::backtrace::__rust_begin_short_backtrace::h37f69c737fe1bdd0 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55c75052de81 - std::rt::lang_start::{{closure}}::h2aac6d1eab87a641 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55c750551237 - core::ops::function::impls:: for &F>::call_once::h7c92107c3c98a949 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55c750551237 - std::panicking::try::do_call::h7454c57e8fbf0cc1 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55c750551237 - std::panicking::try::he71cdc15ed83b5ec [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55c750551237 - std::panic::catch_unwind::hfc08ddb043e6e18c [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55c750551237 - std::rt::lang_start_internal::he4958117ec6901fd [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55c75052de57 - std::rt::lang_start::hefc935464eae7fc6 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55c75052e6aa - main [INFO] [stderr] 28: 0x7fcd8eb940b3 - __libc_start_main [INFO] [stderr] 29: 0x55c75052d0ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5cf07aa4cc7c718e7cd283af335e103c3ca3828bedab9f977361eea0c9aa1b7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cf07aa4cc7c718e7cd283af335e103c3ca3828bedab9f977361eea0c9aa1b7f", kill_on_drop: false }` [INFO] [stdout] 5cf07aa4cc7c718e7cd283af335e103c3ca3828bedab9f977361eea0c9aa1b7f