Dec 14 10:16:25.044 INFO testing FredericDesgreniers/my_web_server against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 14 10:16:25.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 14 10:16:25.251 INFO [stdout] 44a9748710ef216bbcae1f7fb54bac695464d0e9e8754b42f46ccef4d0dc7973 Dec 14 10:16:25.257 INFO running `"docker" "start" "-a" "44a9748710ef216bbcae1f7fb54bac695464d0e9e8754b42f46ccef4d0dc7973"` Dec 14 10:16:26.248 INFO [stderr] usermod: no changes Dec 14 10:16:26.383 INFO [stderr] Compiling minify v1.1.1 Dec 14 10:16:26.385 INFO [stderr] Compiling router v0.1.0 (/source/router) Dec 14 10:16:26.397 INFO [stderr] Compiling crossbeam-channel v0.2.6 Dec 14 10:16:27.871 INFO [stderr] Compiling http v0.1.0 (/source/http) Dec 14 10:16:29.143 INFO [stderr] Compiling milton v0.1.0 (/source) Dec 14 10:16:30.055 INFO [stderr] Compiling crossbeam v0.4.1 Dec 14 10:16:30.491 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 14 10:16:30.491 INFO [stderr] --> pre_build.rs:13:5 Dec 14 10:16:30.491 INFO [stderr] | Dec 14 10:16:30.491 INFO [stderr] 13 | remove_dir_all("./static_out"); Dec 14 10:16:30.491 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 10:16:30.491 INFO [stderr] | Dec 14 10:16:30.491 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 14 10:16:30.491 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 14 10:16:30.491 INFO [stderr] Dec 14 10:16:30.491 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 14 10:16:30.491 INFO [stderr] --> pre_build.rs:14:5 Dec 14 10:16:30.491 INFO [stderr] | Dec 14 10:16:30.491 INFO [stderr] 14 | create_dir_all("./static_out"); Dec 14 10:16:30.491 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 10:16:30.491 INFO [stderr] | Dec 14 10:16:30.491 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 14 10:16:30.491 INFO [stderr] Dec 14 10:16:31.576 INFO [stderr] error: failed to run custom build command for `milton v0.1.0 (/source)` Dec 14 10:16:31.576 INFO [stderr] process didn't exit successfully: `/target/debug/build/milton-7d7ec27d5017999b/build-script-pre_build` (exit code: 101) Dec 14 10:16:31.576 INFO [stderr] --- stderr Dec 14 10:16:31.576 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:1009:5 Dec 14 10:16:31.576 INFO [stderr] stack backtrace: Dec 14 10:16:31.576 INFO [stderr] 0: 0x55c75c029283 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::heb4d4d98bcf46d90 Dec 14 10:16:31.576 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 14 10:16:31.576 INFO [stderr] 1: 0x55c75c023d28 - std::sys_common::backtrace::_print::h919420b22c2473e3 Dec 14 10:16:31.576 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 14 10:16:31.576 INFO [stderr] 2: 0x55c75c028372 - std::panicking::default_hook::{{closure}}::h22d4ac021acb88d5 Dec 14 10:16:31.576 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 14 10:16:31.576 INFO [stderr] at src/libstd/panicking.rs:210 Dec 14 10:16:31.576 INFO [stderr] 3: 0x55c75c0280e4 - std::panicking::default_hook::h1134a4d34aab4428 Dec 14 10:16:31.576 INFO [stderr] at src/libstd/panicking.rs:224 Dec 14 10:16:31.576 INFO [stderr] 4: 0x55c75c028a30 - std::panicking::rust_panic_with_hook::h9c89557c251f2d42 Dec 14 10:16:31.576 INFO [stderr] at src/libstd/panicking.rs:487 Dec 14 10:16:31.576 INFO [stderr] 5: 0x55c75c0285b1 - std::panicking::continue_panic_fmt::h6b63497ce98499d4 Dec 14 10:16:31.576 INFO [stderr] at src/libstd/panicking.rs:394 Dec 14 10:16:31.576 INFO [stderr] 6: 0x55c75c028495 - rust_begin_unwind Dec 14 10:16:31.576 INFO [stderr] at src/libstd/panicking.rs:321 Dec 14 10:16:31.576 INFO [stderr] 7: 0x55c75c037dac - core::panicking::panic_fmt::h68c043a5e81351f3 Dec 14 10:16:31.576 INFO [stderr] at src/libcore/panicking.rs:95 Dec 14 10:16:31.576 INFO [stderr] 8: 0x55c75bfe5700 - core::result::unwrap_failed::hf47fea88fd3c1779 Dec 14 10:16:31.576 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/macros.rs:26 Dec 14 10:16:31.576 INFO [stderr] 9: 0x55c75bfc2cfa - >::unwrap::h98e4561125be46c8 Dec 14 10:16:31.576 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/result.rs:808 Dec 14 10:16:31.576 INFO [stderr] 10: 0x55c75bfbeeea - build_script_pre_build::main::h702236648527022a Dec 14 10:16:31.576 INFO [stderr] at /source/pre_build.rs:50 Dec 14 10:16:31.576 INFO [stderr] 11: 0x55c75bfbfd9f - std::rt::lang_start::{{closure}}::hb97555a2e9d2fc57 Dec 14 10:16:31.576 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/rt.rs:74 Dec 14 10:16:31.576 INFO [stderr] 12: 0x55c75c028482 - std::panicking::try::do_call::hd22385b9fba3aa8f Dec 14 10:16:31.577 INFO [stderr] at src/libstd/rt.rs:59 Dec 14 10:16:31.577 INFO [stderr] at src/libstd/panicking.rs:306 Dec 14 10:16:31.577 INFO [stderr] 13: 0x55c75c036d09 - __rust_maybe_catch_panic Dec 14 10:16:31.577 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 14 10:16:31.577 INFO [stderr] 14: 0x55c75c028e03 - std::rt::lang_start_internal::h884c76ddf53aa8b4 Dec 14 10:16:31.577 INFO [stderr] at src/libstd/panicking.rs:285 Dec 14 10:16:31.577 INFO [stderr] at src/libstd/panic.rs:398 Dec 14 10:16:31.577 INFO [stderr] at src/libstd/rt.rs:58 Dec 14 10:16:31.577 INFO [stderr] 15: 0x55c75bfbfd78 - std::rt::lang_start::h6ae83a463072d2b3 Dec 14 10:16:31.577 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/rt.rs:74 Dec 14 10:16:31.577 INFO [stderr] 16: 0x55c75bfbf549 - main Dec 14 10:16:31.577 INFO [stderr] 17: 0x7f19f7fd482f - __libc_start_main Dec 14 10:16:31.577 INFO [stderr] 18: 0x55c75bfbdf88 - _start Dec 14 10:16:31.577 INFO [stderr] 19: 0x0 - Dec 14 10:16:31.577 INFO [stderr] Dec 14 10:16:31.577 INFO [stderr] warning: build failed, waiting for other jobs to finish... Dec 14 10:16:32.055 INFO [stderr] error: build failed Dec 14 10:16:32.058 INFO [stderr] su: No module specific data is present Dec 14 10:16:32.763 INFO running `"docker" "inspect" "44a9748710ef216bbcae1f7fb54bac695464d0e9e8754b42f46ccef4d0dc7973"` Dec 14 10:16:32.992 INFO running `"docker" "rm" "-f" "44a9748710ef216bbcae1f7fb54bac695464d0e9e8754b42f46ccef4d0dc7973"` Dec 14 10:16:33.318 INFO [stdout] 44a9748710ef216bbcae1f7fb54bac695464d0e9e8754b42f46ccef4d0dc7973