Dec 05 02:28:05.271 INFO checking FredericDesgreniers/my_web_server against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481 Dec 05 02:28:05.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-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 05 02:28:05.726 INFO [stdout] 47de4c2570b6d67688f38618845526a4528b0ff2679c64f224ea5e6578ba50c3 Dec 05 02:28:05.728 INFO running `"docker" "start" "-a" "47de4c2570b6d67688f38618845526a4528b0ff2679c64f224ea5e6578ba50c3"` Dec 05 02:28:07.435 INFO [stderr] usermod: no changes Dec 05 02:28:07.763 INFO [stderr] Compiling minify v1.1.1 Dec 05 02:28:07.764 INFO [stderr] Checking router v0.1.0 (/source/router) Dec 05 02:28:07.790 INFO [stderr] Compiling miniz_oxide v0.1.3 Dec 05 02:28:07.790 INFO [stderr] Checking flate2 v1.0.2 Dec 05 02:28:07.790 INFO [stderr] Compiling failure v0.1.2 Dec 05 02:28:07.790 INFO [stderr] Compiling rayon v1.0.2 Dec 05 02:28:11.075 INFO [stderr] Checking pool v0.1.0 (/source/pool) Dec 05 02:28:15.439 INFO [stderr] Checking http v0.1.0 (/source/http) Dec 05 02:28:19.539 INFO [stderr] Compiling miniz_oxide_c_api v0.1.3 Dec 05 02:28:21.059 INFO [stderr] Checking http_server v0.1.0 (/source/http_server) Dec 05 02:28:30.849 INFO [stderr] Compiling milton v0.1.0 (/source) Dec 05 02:28:31.759 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 02:28:31.759 INFO [stderr] --> pre_build.rs:13:5 Dec 05 02:28:31.759 INFO [stderr] | Dec 05 02:28:31.759 INFO [stderr] 13 | remove_dir_all("./static_out"); Dec 05 02:28:31.759 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 02:28:31.759 INFO [stderr] | Dec 05 02:28:31.759 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 05 02:28:31.759 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 02:28:31.759 INFO [stderr] Dec 05 02:28:31.775 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 02:28:31.775 INFO [stderr] --> pre_build.rs:14:5 Dec 05 02:28:31.775 INFO [stderr] | Dec 05 02:28:31.775 INFO [stderr] 14 | create_dir_all("./static_out"); Dec 05 02:28:31.775 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 02:28:31.775 INFO [stderr] | Dec 05 02:28:31.775 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 02:28:31.775 INFO [stderr] Dec 05 02:28:32.878 INFO [stderr] error: failed to run custom build command for `milton v0.1.0 (/source)` Dec 05 02:28:32.878 INFO [stderr] process didn't exit successfully: `/target/debug/build/milton-4457ab90e5bc675d/build-script-pre_build` (exit code: 101) Dec 05 02:28:32.878 INFO [stderr] --- stderr Dec 05 02:28:32.878 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 05 02:28:32.878 INFO [stderr] stack backtrace: Dec 05 02:28:32.878 INFO [stderr] 0: 0x564bcb57a023 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h49b71f85b5fdab80 Dec 05 02:28:32.878 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 05 02:28:32.878 INFO [stderr] 1: 0x564bcb5749e8 - std::sys_common::backtrace::_print::h0db6ebd13be138c1 Dec 05 02:28:32.878 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 05 02:28:32.878 INFO [stderr] 2: 0x564bcb579112 - std::panicking::default_hook::{{closure}}::h24bcc8ad13c423b4 Dec 05 02:28:32.878 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 05 02:28:32.878 INFO [stderr] at src/libstd/panicking.rs:211 Dec 05 02:28:32.878 INFO [stderr] 3: 0x564bcb578e7d - std::panicking::default_hook::hbed872f523173aac Dec 05 02:28:32.878 INFO [stderr] at src/libstd/panicking.rs:227 Dec 05 02:28:32.878 INFO [stderr] 4: 0x564bcb5797d0 - std::panicking::rust_panic_with_hook::h2e6115d99dfde6bc Dec 05 02:28:32.878 INFO [stderr] at src/libstd/panicking.rs:491 Dec 05 02:28:32.878 INFO [stderr] 5: 0x564bcb579351 - std::panicking::continue_panic_fmt::hfd235db8cd6dfc77 Dec 05 02:28:32.879 INFO [stderr] at src/libstd/panicking.rs:398 Dec 05 02:28:32.879 INFO [stderr] 6: 0x564bcb579235 - rust_begin_unwind Dec 05 02:28:32.879 INFO [stderr] at src/libstd/panicking.rs:325 Dec 05 02:28:32.879 INFO [stderr] 7: 0x564bcb588b4c - core::panicking::panic_fmt::h24835a85c641395a Dec 05 02:28:32.879 INFO [stderr] at src/libcore/panicking.rs:95 Dec 05 02:28:32.879 INFO [stderr] 8: 0x564bcb536580 - core::result::unwrap_failed::h76d47af46912bf39 Dec 05 02:28:32.879 INFO [stderr] at /rustc/c8ae2de8363be088604ffa2ccba84ff7ad7250bc/src/libcore/macros.rs:26 Dec 05 02:28:32.879 INFO [stderr] 9: 0x564bcb513bba - >::unwrap::h5d7c4f46ddcd5673 Dec 05 02:28:32.879 INFO [stderr] at /rustc/c8ae2de8363be088604ffa2ccba84ff7ad7250bc/src/libcore/result.rs:808 Dec 05 02:28:32.879 INFO [stderr] 10: 0x564bcb50fcea - build_script_pre_build::main::hbea7b3418ffbab3c Dec 05 02:28:32.879 INFO [stderr] at /source/pre_build.rs:50 Dec 05 02:28:32.879 INFO [stderr] 11: 0x564bcb510b9f - std::rt::lang_start::{{closure}}::h3e62651687b75671 Dec 05 02:28:32.879 INFO [stderr] at /rustc/c8ae2de8363be088604ffa2ccba84ff7ad7250bc/src/libstd/rt.rs:74 Dec 05 02:28:32.879 INFO [stderr] 12: 0x564bcb579222 - std::panicking::try::do_call::h253d213f37f7ec96 Dec 05 02:28:32.879 INFO [stderr] at src/libstd/rt.rs:59 Dec 05 02:28:32.879 INFO [stderr] at src/libstd/panicking.rs:310 Dec 05 02:28:32.879 INFO [stderr] 13: 0x564bcb587aa9 - __rust_maybe_catch_panic Dec 05 02:28:32.879 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 05 02:28:32.879 INFO [stderr] 14: 0x564bcb579ba3 - std::rt::lang_start_internal::h96a331c3af72f427 Dec 05 02:28:32.879 INFO [stderr] at src/libstd/panicking.rs:289 Dec 05 02:28:32.879 INFO [stderr] at src/libstd/panic.rs:398 Dec 05 02:28:32.879 INFO [stderr] at src/libstd/rt.rs:58 Dec 05 02:28:32.879 INFO [stderr] 15: 0x564bcb510b78 - std::rt::lang_start::hf486ade47e2a3269 Dec 05 02:28:32.879 INFO [stderr] at /rustc/c8ae2de8363be088604ffa2ccba84ff7ad7250bc/src/libstd/rt.rs:74 Dec 05 02:28:32.879 INFO [stderr] 16: 0x564bcb510349 - main Dec 05 02:28:32.879 INFO [stderr] 17: 0x7f49c60a382f - __libc_start_main Dec 05 02:28:32.879 INFO [stderr] 18: 0x564bcb50ed88 - _start Dec 05 02:28:32.879 INFO [stderr] 19: 0x0 - Dec 05 02:28:32.879 INFO [stderr] Dec 05 02:28:32.880 INFO [stderr] su: No module specific data is present Dec 05 02:28:33.964 INFO running `"docker" "inspect" "47de4c2570b6d67688f38618845526a4528b0ff2679c64f224ea5e6578ba50c3"` Dec 05 02:28:34.183 INFO running `"docker" "rm" "-f" "47de4c2570b6d67688f38618845526a4528b0ff2679c64f224ea5e6578ba50c3"` Dec 05 02:28:34.523 INFO [stdout] 47de4c2570b6d67688f38618845526a4528b0ff2679c64f224ea5e6578ba50c3