Dec 14 10:16:24.928 INFO testing FredericDesgreniers/my_web_server against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550 Dec 14 10:16:24.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 10:16:25.131 INFO [stdout] 53098723c82e2a795251ba6ccae6409d2680f7b50e56dc2fd5458df28d21e166 Dec 14 10:16:25.136 INFO running `"docker" "start" "-a" "53098723c82e2a795251ba6ccae6409d2680f7b50e56dc2fd5458df28d21e166"` Dec 14 10:16:25.607 INFO [stderr] usermod: no changes Dec 14 10:16:25.779 INFO [stderr] Compiling minify v1.1.1 Dec 14 10:16:25.779 INFO [stderr] Compiling router v0.1.0 (/source/router) Dec 14 10:16:25.779 INFO [stderr] Compiling miniz_oxide_c_api v0.1.3 Dec 14 10:16:25.779 INFO [stderr] Compiling miniz_oxide v0.1.3 Dec 14 10:16:25.782 INFO [stderr] Compiling pool v0.1.0 (/source/pool) Dec 14 10:16:30.607 INFO [stderr] Compiling flate2 v1.0.2 Dec 14 10:16:32.507 INFO [stderr] Compiling http v0.1.0 (/source/http) Dec 14 10:16:33.741 INFO [stderr] Compiling milton v0.1.0 (/source) Dec 14 10:16:33.743 INFO [stderr] Compiling http_server v0.1.0 (/source/http_server) Dec 14 10:16:34.815 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 14 10:16:34.815 INFO [stderr] --> pre_build.rs:13:5 Dec 14 10:16:34.815 INFO [stderr] | Dec 14 10:16:34.815 INFO [stderr] 13 | remove_dir_all("./static_out"); Dec 14 10:16:34.815 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 10:16:34.815 INFO [stderr] | Dec 14 10:16:34.815 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 14 10:16:34.815 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 14 10:16:34.815 INFO [stderr] Dec 14 10:16:34.815 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 14 10:16:34.815 INFO [stderr] --> pre_build.rs:14:5 Dec 14 10:16:34.815 INFO [stderr] | Dec 14 10:16:34.815 INFO [stderr] 14 | create_dir_all("./static_out"); Dec 14 10:16:34.815 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 10:16:34.815 INFO [stderr] | Dec 14 10:16:34.815 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 14 10:16:34.815 INFO [stderr] Dec 14 10:16:35.903 INFO [stderr] error: failed to run custom build command for `milton v0.1.0 (/source)` Dec 14 10:16:35.903 INFO [stderr] process didn't exit successfully: `/target/debug/build/milton-1e4db534f08d8e08/build-script-pre_build` (exit code: 101) Dec 14 10:16:35.903 INFO [stderr] --- stderr Dec 14 10:16:35.903 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 10:16:35.903 INFO [stderr] stack backtrace: Dec 14 10:16:35.903 INFO [stderr] 0: 0x559895dd5283 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h2c40bdfb30f25bdd Dec 14 10:16:35.903 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 14 10:16:35.903 INFO [stderr] 1: 0x559895dcfd28 - std::sys_common::backtrace::_print::he11ceebc70626ac9 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 14 10:16:35.903 INFO [stderr] 2: 0x559895dd4372 - std::panicking::default_hook::{{closure}}::h4fde3ffb19c01413 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panicking.rs:210 Dec 14 10:16:35.903 INFO [stderr] 3: 0x559895dd40e4 - std::panicking::default_hook::hf0c15a583008ed0d Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panicking.rs:224 Dec 14 10:16:35.903 INFO [stderr] 4: 0x559895dd4a30 - std::panicking::rust_panic_with_hook::hc1663f6bc7813185 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panicking.rs:487 Dec 14 10:16:35.903 INFO [stderr] 5: 0x559895dd45b1 - std::panicking::continue_panic_fmt::h42bc2d03ddf03b3e Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panicking.rs:394 Dec 14 10:16:35.903 INFO [stderr] 6: 0x559895dd4495 - rust_begin_unwind Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panicking.rs:321 Dec 14 10:16:35.903 INFO [stderr] 7: 0x559895de3dac - core::panicking::panic_fmt::h44df04385fc0c5a6 Dec 14 10:16:35.903 INFO [stderr] at src/libcore/panicking.rs:95 Dec 14 10:16:35.903 INFO [stderr] 8: 0x559895d91650 - core::result::unwrap_failed::h103f4b7b20386423 Dec 14 10:16:35.903 INFO [stderr] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libcore/macros.rs:26 Dec 14 10:16:35.903 INFO [stderr] 9: 0x559895d6ecfa - >::unwrap::h3cc6682608903935 Dec 14 10:16:35.903 INFO [stderr] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libcore/result.rs:808 Dec 14 10:16:35.903 INFO [stderr] 10: 0x559895d6aeea - build_script_pre_build::main::hdc4049ddab13b0d4 Dec 14 10:16:35.903 INFO [stderr] at /source/pre_build.rs:50 Dec 14 10:16:35.903 INFO [stderr] 11: 0x559895d6bd9f - std::rt::lang_start::{{closure}}::h361c4c68deb63ea2 Dec 14 10:16:35.903 INFO [stderr] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/rt.rs:74 Dec 14 10:16:35.903 INFO [stderr] 12: 0x559895dd4482 - std::panicking::try::do_call::h7a0b92633a1e33d9 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/rt.rs:59 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panicking.rs:306 Dec 14 10:16:35.903 INFO [stderr] 13: 0x559895de2d09 - __rust_maybe_catch_panic Dec 14 10:16:35.903 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 14 10:16:35.903 INFO [stderr] 14: 0x559895dd4e03 - std::rt::lang_start_internal::h3628368e60eab2bb Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panicking.rs:285 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/panic.rs:398 Dec 14 10:16:35.903 INFO [stderr] at src/libstd/rt.rs:58 Dec 14 10:16:35.903 INFO [stderr] 15: 0x559895d6bd78 - std::rt::lang_start::hec5439c4ede36761 Dec 14 10:16:35.903 INFO [stderr] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/rt.rs:74 Dec 14 10:16:35.903 INFO [stderr] 16: 0x559895d6b549 - main Dec 14 10:16:35.903 INFO [stderr] 17: 0x7f5fecbf182f - __libc_start_main Dec 14 10:16:35.903 INFO [stderr] 18: 0x559895d69f88 - _start Dec 14 10:16:35.903 INFO [stderr] 19: 0x0 - Dec 14 10:16:35.903 INFO [stderr] Dec 14 10:16:35.903 INFO [stderr] warning: build failed, waiting for other jobs to finish... Dec 14 10:16:37.937 INFO [stderr] error: build failed Dec 14 10:16:37.938 INFO [stderr] su: No module specific data is present Dec 14 10:16:38.592 INFO running `"docker" "inspect" "53098723c82e2a795251ba6ccae6409d2680f7b50e56dc2fd5458df28d21e166"` Dec 14 10:16:38.840 INFO running `"docker" "rm" "-f" "53098723c82e2a795251ba6ccae6409d2680f7b50e56dc2fd5458df28d21e166"` Dec 14 10:16:39.127 INFO [stdout] 53098723c82e2a795251ba6ccae6409d2680f7b50e56dc2fd5458df28d21e166