Dec 18 07:36:36.908 INFO checking FredericDesgreniers/my_web_server against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 07:36:36.908 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/FredericDesgreniers/my_web_server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 07:36:37.384 INFO [stdout] 3fa464bd9c06404f4ddae4521e365af1444b82bf9568c318a7e8676077bc5a11 Dec 18 07:36:37.393 INFO running `"docker" "start" "-a" "3fa464bd9c06404f4ddae4521e365af1444b82bf9568c318a7e8676077bc5a11"` Dec 18 07:36:39.228 INFO [stderr] Compiling adler32 v1.0.3 Dec 18 07:36:39.233 INFO [stderr] Compiling minify v1.1.1 Dec 18 07:36:39.233 INFO [stderr] Checking router v0.1.0 (/opt/crater/workdir/router) Dec 18 07:36:39.260 INFO [stderr] Compiling crc v1.8.1 Dec 18 07:36:39.260 INFO [stderr] Checking crossbeam-deque v0.5.2 Dec 18 07:36:39.264 INFO [stderr] Compiling failure v0.1.2 Dec 18 07:36:41.444 INFO [stderr] Compiling rayon v1.0.2 Dec 18 07:36:41.838 INFO [stderr] Checking http v0.1.0 (/opt/crater/workdir/http) Dec 18 07:36:42.137 INFO [stderr] Compiling miniz_oxide v0.1.3 Dec 18 07:36:42.508 INFO [stderr] Checking crossbeam v0.4.1 Dec 18 07:36:44.372 INFO [stderr] Checking pool v0.1.0 (/opt/crater/workdir/pool) Dec 18 07:36:47.216 INFO [stderr] Checking http_server v0.1.0 (/opt/crater/workdir/http_server) Dec 18 07:36:48.024 INFO [stderr] Compiling miniz_oxide_c_api v0.1.3 Dec 18 07:36:49.848 INFO [stderr] Compiling flate2 v1.0.2 Dec 18 07:36:53.586 INFO [stderr] Compiling milton v0.1.0 (/opt/crater/workdir) Dec 18 07:36:54.048 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 07:36:54.049 INFO [stderr] --> pre_build.rs:13:5 Dec 18 07:36:54.049 INFO [stderr] | Dec 18 07:36:54.049 INFO [stderr] 13 | remove_dir_all("./static_out"); Dec 18 07:36:54.049 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 07:36:54.049 INFO [stderr] | Dec 18 07:36:54.049 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 07:36:54.049 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 07:36:54.049 INFO [stderr] Dec 18 07:36:54.049 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 07:36:54.049 INFO [stderr] --> pre_build.rs:14:5 Dec 18 07:36:54.049 INFO [stderr] | Dec 18 07:36:54.049 INFO [stderr] 14 | create_dir_all("./static_out"); Dec 18 07:36:54.049 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 07:36:54.049 INFO [stderr] | Dec 18 07:36:54.049 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 07:36:54.049 INFO [stderr] Dec 18 07:36:54.804 INFO [stderr] error: failed to run custom build command for `milton v0.1.0 (/opt/crater/workdir)` Dec 18 07:36:54.804 INFO [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/milton-63075b0c6194de2b/build-script-pre_build` (exit code: 101) Dec 18 07:36:54.804 INFO [stderr] --- stderr Dec 18 07:36:54.804 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 18 07:36:54.804 INFO [stderr] stack backtrace: Dec 18 07:36:54.804 INFO [stderr] 0: 0x5563a7b73223 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hf1105b5ec3b40bed Dec 18 07:36:54.804 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 18 07:36:54.804 INFO [stderr] 1: 0x5563a7b6de78 - std::sys_common::backtrace::_print::h3f5dc4b5075f43f5 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 18 07:36:54.805 INFO [stderr] 2: 0x5563a7b72312 - std::panicking::default_hook::{{closure}}::hd83f28eff71d7397 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panicking.rs:210 Dec 18 07:36:54.805 INFO [stderr] 3: 0x5563a7b72084 - std::panicking::default_hook::h9562bfab584d3051 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panicking.rs:225 Dec 18 07:36:54.805 INFO [stderr] 4: 0x5563a7b729d0 - std::panicking::rust_panic_with_hook::hfe76895da923a488 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panicking.rs:488 Dec 18 07:36:54.805 INFO [stderr] 5: 0x5563a7b72551 - std::panicking::continue_panic_fmt::haa8d25bd453fbdd4 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panicking.rs:395 Dec 18 07:36:54.805 INFO [stderr] 6: 0x5563a7b72435 - rust_begin_unwind Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panicking.rs:322 Dec 18 07:36:54.805 INFO [stderr] 7: 0x5563a7b81e6c - core::panicking::panic_fmt::hc66b3a1afb0d5233 Dec 18 07:36:54.805 INFO [stderr] at src/libcore/panicking.rs:95 Dec 18 07:36:54.805 INFO [stderr] 8: 0x5563a7b2f560 - core::result::unwrap_failed::hfbe4a209fa7a010a Dec 18 07:36:54.805 INFO [stderr] at /rustc/96d1334e567237b1507cd277938e7ae2de75ff51/src/libcore/macros.rs:26 Dec 18 07:36:54.805 INFO [stderr] 9: 0x5563a7b0cbca - >::unwrap::h83a80af568a90d98 Dec 18 07:36:54.805 INFO [stderr] at /rustc/96d1334e567237b1507cd277938e7ae2de75ff51/src/libcore/result.rs:808 Dec 18 07:36:54.805 INFO [stderr] 10: 0x5563a7b08d4a - build_script_pre_build::main::h7b89893adeaf601c Dec 18 07:36:54.805 INFO [stderr] at /opt/crater/workdir/pre_build.rs:50 Dec 18 07:36:54.805 INFO [stderr] 11: 0x5563a7b09bff - std::rt::lang_start::{{closure}}::h86e2963ba1672ea9 Dec 18 07:36:54.805 INFO [stderr] at /rustc/96d1334e567237b1507cd277938e7ae2de75ff51/src/libstd/rt.rs:74 Dec 18 07:36:54.805 INFO [stderr] 12: 0x5563a7b72422 - std::panicking::try::do_call::h2151c28560dfc32f Dec 18 07:36:54.805 INFO [stderr] at src/libstd/rt.rs:59 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panicking.rs:307 Dec 18 07:36:54.805 INFO [stderr] 13: 0x5563a7b80e39 - __rust_maybe_catch_panic Dec 18 07:36:54.805 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 18 07:36:54.805 INFO [stderr] 14: 0x5563a7b72da3 - std::rt::lang_start_internal::hfa5b1e158c4be41a Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panicking.rs:286 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/panic.rs:398 Dec 18 07:36:54.805 INFO [stderr] at src/libstd/rt.rs:58 Dec 18 07:36:54.805 INFO [stderr] 15: 0x5563a7b09bd8 - std::rt::lang_start::h415dcaad3c496c2b Dec 18 07:36:54.805 INFO [stderr] at /rustc/96d1334e567237b1507cd277938e7ae2de75ff51/src/libstd/rt.rs:74 Dec 18 07:36:54.805 INFO [stderr] 16: 0x5563a7b093a9 - main Dec 18 07:36:54.805 INFO [stderr] 17: 0x7fea16aba2e0 - __libc_start_main Dec 18 07:36:54.805 INFO [stderr] 18: 0x5563a7b07de9 - _start Dec 18 07:36:54.805 INFO [stderr] 19: 0x0 - Dec 18 07:36:54.805 INFO [stderr] Dec 18 07:36:56.034 INFO running `"docker" "inspect" "3fa464bd9c06404f4ddae4521e365af1444b82bf9568c318a7e8676077bc5a11"` Dec 18 07:36:56.350 INFO running `"docker" "rm" "-f" "3fa464bd9c06404f4ddae4521e365af1444b82bf9568c318a7e8676077bc5a11"` Dec 18 07:36:56.688 INFO [stdout] 3fa464bd9c06404f4ddae4521e365af1444b82bf9568c318a7e8676077bc5a11