[INFO] crate rustdemo 0.1.0 is already in cache [INFO] extracting crate rustdemo 0.1.0 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/rustdemo/0.1.0 [INFO] extracting crate rustdemo 0.1.0 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/rustdemo/0.1.0 [INFO] validating manifest of rustdemo-0.1.0 on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rustdemo-0.1.0 on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rustdemo-0.1.0 [INFO] finished frobbing rustdemo-0.1.0 [INFO] frobbed toml for rustdemo-0.1.0 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/rustdemo/0.1.0/Cargo.toml [INFO] started frobbing rustdemo-0.1.0 [INFO] finished frobbing rustdemo-0.1.0 [INFO] frobbed toml for rustdemo-0.1.0 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/rustdemo/0.1.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking rustdemo-0.1.0 against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-3/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/rustdemo/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ea1d86e45a7d5853b46decd4f634111916e5e58a477152bff1adbbd4d546f162 [INFO] running `"docker" "start" "-a" "ea1d86e45a7d5853b46decd4f634111916e5e58a477152bff1adbbd4d546f162"` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling rustdemo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] error: failed to run custom build command for `rustdemo v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rustdemo-d2d9e7a427ffccdb/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" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a9c80aca2a - backtrace::backtrace::libunwind::trace::h95cf0d6f90455f99 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/libunwind.rs:97 [INFO] [stderr] 1: 0x55a9c80aca2a - backtrace::backtrace::trace_unsynchronized::hf1bc4b307d386ce0 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a9c80aca2a - std::sys_common::backtrace::_print::h17c85b34b8085bc3 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55a9c80aca2a - std::sys_common::backtrace::print::hcd95718fa811f3ee [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55a9c80aca2a - std::panicking::default_hook::{{closure}}::h9a777852f3c432bb [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 5: 0x55a9c80ac72b - std::panicking::default_hook::h20a55232f8970617 [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 6: 0x55a9c80ad0ef - std::panicking::rust_panic_with_hook::h5522dfdebc12d6f5 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 7: 0x55a9c80acc71 - std::panicking::continue_panic_fmt::h2e20e3cd1b619a34 [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 8: 0x55a9c80acb55 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 9: 0x55a9c80c17ac - core::panicking::panic_fmt::he1d95cf9fc209195 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55a9c8099c16 - core::result::unwrap_failed::h271a3e06e416c787 [INFO] [stderr] at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55a9c8099cd7 - core::result::Result::unwrap::h17c23499aa0ec284 [INFO] [stderr] at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55a9c809a19b - build_script_build::main::hfc2046df3b02110a [INFO] [stderr] at /opt/crater/workdir/build.rs:9 [INFO] [stderr] 13: 0x55a9c8099e5f - std::rt::lang_start::{{closure}}::hc72f57b5a447f18f [INFO] [stderr] at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55a9c80acb42 - std::rt::lang_start_internal::{{closure}}::h6ec740df5798a70a [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55a9c80acb42 - std::panicking::try::do_call::h93c284c7f36c2a33 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 16: 0x55a9c80aeba9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 17: 0x55a9c80ad5fc - std::panicking::try::h3886393c741bda4e [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] 18: 0x55a9c80ad5fc - std::panic::catch_unwind::ha7941002b1d0656b [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55a9c80ad5fc - std::rt::lang_start_internal::h1525a1979960fe11 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55a9c8099e38 - std::rt::lang_start::hb8e6bcce0a2103c9 [INFO] [stderr] at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55a9c809a419 - main [INFO] [stderr] 22: 0x7f357bd292e0 - __libc_start_main [INFO] [stderr] 23: 0x55a9c8099879 - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "ea1d86e45a7d5853b46decd4f634111916e5e58a477152bff1adbbd4d546f162"` [INFO] running `"docker" "rm" "-f" "ea1d86e45a7d5853b46decd4f634111916e5e58a477152bff1adbbd4d546f162"` [INFO] [stdout] ea1d86e45a7d5853b46decd4f634111916e5e58a477152bff1adbbd4d546f162