[INFO] fetching crate poly_logger 0.1.1... [INFO] testing poly_logger-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate poly_logger 0.1.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate poly_logger 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate poly_logger 0.1.1 [INFO] finished tweaking crates.io crate poly_logger 0.1.1 [INFO] tweaked toml for crates.io crate poly_logger 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate poly_logger 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 877fc2d7b40b613144ba526a96621a562973c97ce74dd7149441195d4294f6d7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "877fc2d7b40b613144ba526a96621a562973c97ce74dd7149441195d4294f6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "877fc2d7b40b613144ba526a96621a562973c97ce74dd7149441195d4294f6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "877fc2d7b40b613144ba526a96621a562973c97ce74dd7149441195d4294f6d7", kill_on_drop: false }` [INFO] [stdout] 877fc2d7b40b613144ba526a96621a562973c97ce74dd7149441195d4294f6d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e178bc669beb6206617c9fca30346d57247e9ffd0fbb00a58772119c5ae208dd [INFO] running `Command { std: "docker" "start" "-a" "e178bc669beb6206617c9fca30346d57247e9ffd0fbb00a58772119c5ae208dd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling strfmt v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling chrono v0.4.15 [INFO] [stderr] Compiling poly_logger v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.38s [INFO] running `Command { std: "docker" "inspect" "e178bc669beb6206617c9fca30346d57247e9ffd0fbb00a58772119c5ae208dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e178bc669beb6206617c9fca30346d57247e9ffd0fbb00a58772119c5ae208dd", kill_on_drop: false }` [INFO] [stdout] e178bc669beb6206617c9fca30346d57247e9ffd0fbb00a58772119c5ae208dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ba79339d5b54e94465bea915cd027609248de1ad12e46963972a959c63438408 [INFO] running `Command { std: "docker" "start" "-a" "ba79339d5b54e94465bea915cd027609248de1ad12e46963972a959c63438408", kill_on_drop: false }` [INFO] [stderr] Compiling poly_logger v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.91s [INFO] running `Command { std: "docker" "inspect" "ba79339d5b54e94465bea915cd027609248de1ad12e46963972a959c63438408", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba79339d5b54e94465bea915cd027609248de1ad12e46963972a959c63438408", kill_on_drop: false }` [INFO] [stdout] ba79339d5b54e94465bea915cd027609248de1ad12e46963972a959c63438408 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 200c90e756afc31f74761f9865c8e605dbd68855fdf8b22e6e76c289962cddd1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "200c90e756afc31f74761f9865c8e605dbd68855fdf8b22e6e76c289962cddd1", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/poly_logger-991d4dd7216da96b) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests poly_logger [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/instance.rs - instance::StderrLogger (line 66) ... ok [INFO] [stdout] test src/instance.rs - instance::StdoutLogger (line 11) ... ok [INFO] [stdout] test src/instance.rs - instance::FileLogger (line 116) ... FAILED [INFO] [stdout] test src/instance.rs - instance::StderrLogger (line 54) ... ok [INFO] [stdout] test src/gen_logger.rs - gen_logger::GenLogger (line 10) ... ok [INFO] [stdout] test src/instance.rs - instance::StdoutLogger (line 23) ... ok [INFO] [stdout] test src/gen_logger.rs - gen_logger::GenLogger (line 21) ... ok [INFO] [stdout] test src/instance.rs - instance::FileLogger (line 98) ... FAILED [INFO] [stdout] test src/poly_logger.rs - poly_logger::PolyLogger (line 16) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/instance.rs - instance::FileLogger (line 116) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/instance.rs:213:22 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561f79fa8cbc - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x561f79fa8cbc - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x561f79fa8cbc - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x561f79fa8cbc - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x561f79fc3afc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x561f79fa6475 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x561f79faa4f0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x561f79faa4f0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x561f79faa4f0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x561f79faa09b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x561f79faaba4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x561f79faa680 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x561f79fa9174 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x561f79faa5e9 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x561f79f5ed31 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x561f79f5edc3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x561f79f6408d - core::result::Result::unwrap::he0e1c3b5d526e623 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stdout] 17: 0x561f79f61c06 - poly_logger::instance::FileLogger::create::h5b3807154e54a3aa [INFO] [stdout] at /opt/rustwide/workdir/src/instance.rs:211:28 [INFO] [stdout] 18: 0x561f79f61752 - poly_logger::instance::FileLogger::init::hed997ce1d34928be [INFO] [stdout] at /opt/rustwide/workdir/src/instance.rs:162:22 [INFO] [stdout] 19: 0x561f79f5f8fe - rust_out::main::_doctest_main_src_instance_rs_116_0::hd99caae8462384ed [INFO] [stdout] 20: 0x561f79f5f826 - rust_out::main::h61823b600df25383 [INFO] [stdout] 21: 0x561f79f5f6e3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 22: 0x561f79f5f519 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 23: 0x561f79f5f589 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 24: 0x561f79fa8501 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 25: 0x561f79fa8501 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 26: 0x561f79fa8501 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 27: 0x561f79fa8501 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 28: 0x561f79fa8501 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stdout] 29: 0x561f79fa8501 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 30: 0x561f79fa8501 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 31: 0x561f79fa8501 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 32: 0x561f79fa8501 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stdout] 33: 0x561f79f5f571 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 34: 0x561f79f5fa63 - main [INFO] [stdout] 35: 0x7f94b2ffa0b3 - __libc_start_main [INFO] [stdout] 36: 0x561f79f5f44e - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/instance.rs - instance::FileLogger (line 98) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/instance.rs:213:22 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5578e9361b6c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5578e9361b6c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5578e9361b6c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5578e9361b6c - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5578e937c9ac - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x5578e935f325 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x5578e93633a0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5578e93633a0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5578e93633a0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x5578e9362f4b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x5578e9363a54 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5578e9363530 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x5578e9362024 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x5578e9363499 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x5578e9317d31 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x5578e9317dc3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x5578e931cf3d - core::result::Result::unwrap::he0e1c3b5d526e623 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stdout] 17: 0x5578e931aab6 - poly_logger::instance::FileLogger::create::h5b3807154e54a3aa [INFO] [stdout] at /opt/rustwide/workdir/src/instance.rs:211:28 [INFO] [stdout] 18: 0x5578e931a692 - poly_logger::instance::FileLogger::init::hed997ce1d34928be [INFO] [stdout] at /opt/rustwide/workdir/src/instance.rs:162:22 [INFO] [stdout] 19: 0x5578e931887a - rust_out::main::_doctest_main_src_instance_rs_98_0::h83025881932a90bd [INFO] [stdout] 20: 0x5578e9318826 - rust_out::main::h61823b600df25383 [INFO] [stdout] 21: 0x5578e93186e3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 22: 0x5578e9318519 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 23: 0x5578e9318589 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 24: 0x5578e93613b1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 25: 0x5578e93613b1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 26: 0x5578e93613b1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 27: 0x5578e93613b1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 28: 0x5578e93613b1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stdout] 29: 0x5578e93613b1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 30: 0x5578e93613b1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 31: 0x5578e93613b1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 32: 0x5578e93613b1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stdout] 33: 0x5578e9318571 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 34: 0x5578e9318a03 - main [INFO] [stdout] 35: 0x7fdde87df0b3 - __libc_start_main [INFO] [stdout] 36: 0x5578e931844e - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/poly_logger.rs - poly_logger::PolyLogger (line 16) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/instance.rs:213:22 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d6a694355c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55d6a694355c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55d6a694355c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55d6a694355c - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55d6a695e39c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55d6a6940d15 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55d6a6944d90 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55d6a6944d90 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55d6a6944d90 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55d6a694493b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55d6a6945444 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55d6a6944f20 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55d6a6943a14 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55d6a6944e89 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55d6a68f4d31 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55d6a68f4dc3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55d6a68fe72d - core::result::Result::unwrap::he0e1c3b5d526e623 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stdout] 17: 0x55d6a68fbf76 - poly_logger::instance::FileLogger::create::h5b3807154e54a3aa [INFO] [stdout] at /opt/rustwide/workdir/src/instance.rs:211:28 [INFO] [stdout] 18: 0x55d6a68f8ece - rust_out::main::_doctest_main_src_poly_logger_rs_16_0::hb8f0f663629fee4c [INFO] [stdout] 19: 0x55d6a68f8da6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55d6a68f6703 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x55d6a68f5fc9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 22: 0x55d6a68f6039 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 23: 0x55d6a6942da1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55d6a6942da1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55d6a6942da1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55d6a6942da1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55d6a6942da1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x55d6a6942da1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x55d6a6942da1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x55d6a6942da1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x55d6a6942da1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x55d6a68f6021 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 33: 0x55d6a68f9223 - main [INFO] [stdout] 34: 0x7f1fde1640b3 - __libc_start_main [INFO] [stdout] 35: 0x55d6a68f544e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/instance.rs - instance::FileLogger (line 116) [INFO] [stdout] src/instance.rs - instance::FileLogger (line 98) [INFO] [stdout] src/poly_logger.rs - poly_logger::PolyLogger (line 16) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.72s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "200c90e756afc31f74761f9865c8e605dbd68855fdf8b22e6e76c289962cddd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "200c90e756afc31f74761f9865c8e605dbd68855fdf8b22e6e76c289962cddd1", kill_on_drop: false }` [INFO] [stdout] 200c90e756afc31f74761f9865c8e605dbd68855fdf8b22e6e76c289962cddd1