[INFO] fetching crate render_cerke_board 0.1.17... [INFO] testing render_cerke_board-0.1.17 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate render_cerke_board 0.1.17 into /workspace/builds/worker-77/source [INFO] validating manifest of crates.io crate render_cerke_board 0.1.17 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 render_cerke_board 0.1.17 [INFO] finished tweaking crates.io crate render_cerke_board 0.1.17 [INFO] tweaked toml for crates.io crate render_cerke_board 0.1.17 written to /workspace/builds/worker-77/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] b89fe299dc0f6791724f973c7754ad6b3af771ee290fe3821a32ccb522dd1dc2 [INFO] running `Command { std: "docker" "start" "-a" "b89fe299dc0f6791724f973c7754ad6b3af771ee290fe3821a32ccb522dd1dc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b89fe299dc0f6791724f973c7754ad6b3af771ee290fe3821a32ccb522dd1dc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b89fe299dc0f6791724f973c7754ad6b3af771ee290fe3821a32ccb522dd1dc2", kill_on_drop: false }` [INFO] [stdout] b89fe299dc0f6791724f973c7754ad6b3af771ee290fe3821a32ccb522dd1dc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] [stdout] 4a7434155b41f151576180cecd89c4659c8a8f6249287981739108ea49c560aa [INFO] running `Command { std: "docker" "start" "-a" "4a7434155b41f151576180cecd89c4659c8a8f6249287981739108ea49c560aa", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling weezl v0.1.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bytemuck v1.7.2 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling interpolation v0.2.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling gif v0.11.3 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rand_distr v0.4.2 [INFO] [stderr] Compiling cetkaik_core v0.3.8 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling wood_grain v0.2.1 [INFO] [stderr] Compiling render_cerke_board v0.1.17 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.59s [INFO] running `Command { std: "docker" "inspect" "4a7434155b41f151576180cecd89c4659c8a8f6249287981739108ea49c560aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a7434155b41f151576180cecd89c4659c8a8f6249287981739108ea49c560aa", kill_on_drop: false }` [INFO] [stdout] 4a7434155b41f151576180cecd89c4659c8a8f6249287981739108ea49c560aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] [stdout] 113de1bff33e079d9d192d27b6549571967f4b2e7ad83c5b5d688333445c8d94 [INFO] running `Command { std: "docker" "start" "-a" "113de1bff33e079d9d192d27b6549571967f4b2e7ad83c5b5d688333445c8d94", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling render_cerke_board v0.1.17 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.83s [INFO] running `Command { std: "docker" "inspect" "113de1bff33e079d9d192d27b6549571967f4b2e7ad83c5b5d688333445c8d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "113de1bff33e079d9d192d27b6549571967f4b2e7ad83c5b5d688333445c8d94", kill_on_drop: false }` [INFO] [stdout] 113de1bff33e079d9d192d27b6549571967f4b2e7ad83c5b5d688333445c8d94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 7a951e25f22cbfedea446894d87142d6b465a605106e57ca37d86fd7ace34f54 [INFO] running `Command { std: "docker" "start" "-a" "7a951e25f22cbfedea446894d87142d6b465a605106e57ca37d86fd7ace34f54", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/render_cerke_board-a82b3b2aff0c839a) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test ... FAILED [INFO] [stdout] test tests::test2 ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test stdout ---- [INFO] [stdout] thread 'tests::test' panicked at 'called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })', src/lib.rs:24:50 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55cb1eafffac - 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: 0x55cb1eafffac - 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: 0x55cb1eafffac - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55cb1eafffac - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55cb1eb24b6c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55cb1eafba25 - std::io::Write::write_fmt::h21d7683cabdb4c35 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55cb1eb01a50 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55cb1eb01a50 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55cb1eb01a50 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55cb1eb01636 - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55cb1eb02104 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55cb1eb01be0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55cb1eb00464 - 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: 0x55cb1eb01b49 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55cb1e6a5e11 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55cb1e6a5f03 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55cb1e6b1dca - core::result::Result::unwrap::hfd0c5c2d05774470 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stdout] 17: 0x55cb1e6b2a03 - render_cerke_board::tests::test::hbb3286f834351422 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:24:9 [INFO] [stdout] 18: 0x55cb1e6b294a - render_cerke_board::tests::test::{{closure}}::h03a82edd24237563 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:21:5 [INFO] [stdout] 19: 0x55cb1e6b414e - core::ops::function::FnOnce::call_once::h6dd3c10ed09334cb [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55cb1e6ef183 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55cb1e6ef183 - test::__rust_begin_short_backtrace::h8c2a0a5090591869 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:585:5 [INFO] [stdout] 22: 0x55cb1e6edd17 - as core::ops::function::FnOnce>::call_once::hea00a22128a38543 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 23: 0x55cb1e6edd17 - as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55cb1e6edd17 - std::panicking::try::do_call::hc868e78bbc5af2ab [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55cb1e6edd17 - std::panicking::try::he468aede74df1b04 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55cb1e6edd17 - std::panic::catch_unwind::hce3c9152e1cf772d [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55cb1e6edd17 - test::run_test_in_process::h9c4ab8162080cf8c [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:608:18 [INFO] [stdout] 28: 0x55cb1e6edd17 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:500:39 [INFO] [stdout] 29: 0x55cb1e6bb05e - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:527:37 [INFO] [stdout] 30: 0x55cb1e6bb05e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x55cb1e6bfe88 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:484:17 [INFO] [stdout] 32: 0x55cb1e6bfe88 - as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55cb1e6bfe88 - std::panicking::try::do_call::h6ae22f5ac22596e4 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x55cb1e6bfe88 - std::panicking::try::h2381c25487d6a7c2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x55cb1e6bfe88 - std::panic::catch_unwind::hfe902f4d5c9d7b6d [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x55cb1e6bfe88 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:483:30 [INFO] [stdout] 37: 0x55cb1e6bfe88 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55cb1eb06d13 - as core::ops::function::FnOnce>::call_once::he162a5c338a10a39 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 39: 0x55cb1eb06d13 - as core::ops::function::FnOnce>::call_once::hb27497b21740dd97 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 40: 0x55cb1eb06d13 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 41: 0x7f9c7b1e2609 - start_thread [INFO] [stdout] 42: 0x7f9c7afb4293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- tests::test2 stdout ---- [INFO] [stdout] thread 'tests::test2' panicked at 'called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })', src/lib.rs:17:50 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55cb1eafffac - 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: 0x55cb1eafffac - 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: 0x55cb1eafffac - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55cb1eafffac - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55cb1eb24b6c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55cb1eafba25 - std::io::Write::write_fmt::h21d7683cabdb4c35 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55cb1eb01a50 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55cb1eb01a50 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55cb1eb01a50 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55cb1eb01636 - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55cb1eb02104 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55cb1eb01be0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55cb1eb00464 - 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: 0x55cb1eb01b49 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55cb1e6a5e11 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55cb1e6a5f03 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55cb1e6b1dca - core::result::Result::unwrap::hfd0c5c2d05774470 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stdout] 17: 0x55cb1e6b28da - render_cerke_board::tests::test2::h4a477a6bf1cefc00 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:17:9 [INFO] [stdout] 18: 0x55cb1e6b282a - render_cerke_board::tests::test2::{{closure}}::h87369c26a37c41aa [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:14:5 [INFO] [stdout] 19: 0x55cb1e6b41de - core::ops::function::FnOnce::call_once::hba3745200995b31c [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55cb1e6ef183 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55cb1e6ef183 - test::__rust_begin_short_backtrace::h8c2a0a5090591869 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:585:5 [INFO] [stdout] 22: 0x55cb1e6edd17 - as core::ops::function::FnOnce>::call_once::hea00a22128a38543 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 23: 0x55cb1e6edd17 - as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55cb1e6edd17 - std::panicking::try::do_call::hc868e78bbc5af2ab [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55cb1e6edd17 - std::panicking::try::he468aede74df1b04 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55cb1e6edd17 - std::panic::catch_unwind::hce3c9152e1cf772d [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55cb1e6edd17 - test::run_test_in_process::h9c4ab8162080cf8c [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:608:18 [INFO] [stdout] 28: 0x55cb1e6edd17 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:500:39 [INFO] [stdout] 29: 0x55cb1e6bb05e - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:527:37 [INFO] [stdout] 30: 0x55cb1e6bb05e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x55cb1e6bfe88 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:484:17 [INFO] [stdout] 32: 0x55cb1e6bfe88 - as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55cb1e6bfe88 - std::panicking::try::do_call::h6ae22f5ac22596e4 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x55cb1e6bfe88 - std::panicking::try::h2381c25487d6a7c2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x55cb1e6bfe88 - std::panic::catch_unwind::hfe902f4d5c9d7b6d [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x55cb1e6bfe88 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:483:30 [INFO] [stdout] 37: 0x55cb1e6bfe88 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55cb1eb06d13 - as core::ops::function::FnOnce>::call_once::he162a5c338a10a39 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 39: 0x55cb1eb06d13 - as core::ops::function::FnOnce>::call_once::hb27497b21740dd97 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 40: 0x55cb1eb06d13 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 41: 0x7f9c7b1e2609 - start_thread [INFO] [stdout] 42: 0x7f9c7afb4293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test [INFO] [stdout] tests::test2 [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 29.09s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "7a951e25f22cbfedea446894d87142d6b465a605106e57ca37d86fd7ace34f54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a951e25f22cbfedea446894d87142d6b465a605106e57ca37d86fd7ace34f54", kill_on_drop: false }` [INFO] [stdout] 7a951e25f22cbfedea446894d87142d6b465a605106e57ca37d86fd7ace34f54