[INFO] fetching crate mnist_read 1.0.1... [INFO] testing mnist_read-1.0.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate mnist_read 1.0.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate mnist_read 1.0.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mnist_read 1.0.1 [INFO] finished tweaking crates.io crate mnist_read 1.0.1 [INFO] tweaked toml for crates.io crate mnist_read 1.0.1 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dffc1b22cf4fadc06c31771f92c222ab312edd1723ed997eaf65532ea70beb4e [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" "dffc1b22cf4fadc06c31771f92c222ab312edd1723ed997eaf65532ea70beb4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dffc1b22cf4fadc06c31771f92c222ab312edd1723ed997eaf65532ea70beb4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dffc1b22cf4fadc06c31771f92c222ab312edd1723ed997eaf65532ea70beb4e", kill_on_drop: false }` [INFO] [stdout] dffc1b22cf4fadc06c31771f92c222ab312edd1723ed997eaf65532ea70beb4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03521d5a834b6e7472b4e2c08a7196ee328f15f6fb9494853d35781e14be60ef [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" "03521d5a834b6e7472b4e2c08a7196ee328f15f6fb9494853d35781e14be60ef", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.90s [INFO] running `Command { std: "docker" "inspect" "03521d5a834b6e7472b4e2c08a7196ee328f15f6fb9494853d35781e14be60ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03521d5a834b6e7472b4e2c08a7196ee328f15f6fb9494853d35781e14be60ef", kill_on_drop: false }` [INFO] [stdout] 03521d5a834b6e7472b4e2c08a7196ee328f15f6fb9494853d35781e14be60ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d844429635c3469f59aa5afa749df5e9b7a00ece4f07d0efa028dbbb32bc3e8a [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" "d844429635c3469f59aa5afa749df5e9b7a00ece4f07d0efa028dbbb32bc3e8a", kill_on_drop: false }` [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "d844429635c3469f59aa5afa749df5e9b7a00ece4f07d0efa028dbbb32bc3e8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d844429635c3469f59aa5afa749df5e9b7a00ece4f07d0efa028dbbb32bc3e8a", kill_on_drop: false }` [INFO] [stdout] d844429635c3469f59aa5afa749df5e9b7a00ece4f07d0efa028dbbb32bc3e8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] 4c678986d085c7983edeb7f91300648925ac5789320d2e0668a7bf94d9f43407 [INFO] running `Command { std: "docker" "start" "-a" "4c678986d085c7983edeb7f91300648925ac5789320d2e0668a7bf94d9f43407", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mnist_read-1bbd47e86b5cdb3c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests mnist_read [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] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - read_labels (line 8) ... FAILED [INFO] [stdout] test src/lib.rs - read_data (line 37) ... FAILED [INFO] [stdout] test src/lib.rs - read_labels (line 18) ... FAILED [INFO] [stdout] test src/lib.rs - read_data (line 43) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_labels (line 8) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST labels: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:26:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5619b622300c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5619b622300c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5619b622300c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5619b622300c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5619b623cf5c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x5619b6220a65 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x5619b6224610 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5619b6224610 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5619b6224610 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x5619b62241bb - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x5619b6224cc4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5619b62247a0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x5619b62234c4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x5619b6224709 - rust_begin_unwind [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x5619b6207cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x5619b6207d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x5619b620a40f - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x5619b6209f9a - mnist_read::read_labels::h3a633b2e16fe88ff [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:20 [INFO] [stdout] 18: 0x5619b620910e - rust_out::main::_doctest_main_src_lib_rs_8_0::ha33fbcb9ed7a01b2 [INFO] [stdout] 19: 0x5619b62090d6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x5619b6208903 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x5619b6208719 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x5619b6208789 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x5619b6222851 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x5619b6222851 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x5619b6222851 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x5619b6222851 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x5619b6222851 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x5619b6222851 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x5619b6222851 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x5619b6222851 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x5619b6222851 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x5619b6208771 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x5619b6209333 - main [INFO] [stdout] 34: 0x7f41b39110b3 - __libc_start_main [INFO] [stdout] 35: 0x5619b620842e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_data (line 37) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST data: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:51:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55942aa0859c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55942aa0859c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55942aa0859c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55942aa0859c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55942aa224ec - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55942aa05ff5 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55942aa09ba0 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55942aa09ba0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55942aa09ba0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55942aa0974b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55942aa0a254 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55942aa09d30 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55942aa08a54 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55942aa09c99 - rust_begin_unwind [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55942a9edcd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x55942a9edd63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55942a9ef66f - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x55942a9ef1fa - mnist_read::read_data::hc660364642e7c966 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:20 [INFO] [stdout] 18: 0x55942a9ee7de - rust_out::main::_doctest_main_src_lib_rs_37_0::h2b5a65ba25070d0c [INFO] [stdout] 19: 0x55942a9ee7b6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55942a9ee683 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x55942a9ee4f9 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x55942a9ee569 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x55942aa07de1 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55942aa07de1 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55942aa07de1 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55942aa07de1 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55942aa07de1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x55942aa07de1 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x55942aa07de1 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x55942aa07de1 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x55942aa07de1 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x55942a9ee551 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x55942a9ee8c3 - main [INFO] [stdout] 34: 0x7fd8354fa0b3 - __libc_start_main [INFO] [stdout] 35: 0x55942a9ee42e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_labels (line 18) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST labels: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:26:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55e0bf4a909c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55e0bf4a909c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55e0bf4a909c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55e0bf4a909c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55e0bf4c2fec - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55e0bf4a6af5 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55e0bf4aa6a0 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55e0bf4aa6a0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55e0bf4aa6a0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55e0bf4aa24b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55e0bf4aad54 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55e0bf4aa830 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55e0bf4a9554 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55e0bf4aa799 - rust_begin_unwind [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55e0bf484cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x55e0bf484d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55e0bf49016f - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x55e0bf48fcfa - mnist_read::read_labels::h3a633b2e16fe88ff [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:20 [INFO] [stdout] 18: 0x55e0bf489f5e - rust_out::main::_doctest_main_src_lib_rs_18_0::h3dae40b404b38c92 [INFO] [stdout] 19: 0x55e0bf489f36 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55e0bf4862f3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x55e0bf485f59 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x55e0bf485fc9 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x55e0bf4a88e1 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55e0bf4a88e1 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55e0bf4a88e1 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55e0bf4a88e1 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55e0bf4a88e1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x55e0bf4a88e1 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x55e0bf4a88e1 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x55e0bf4a88e1 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x55e0bf4a88e1 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x55e0bf485fb1 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x55e0bf48a173 - main [INFO] [stdout] 34: 0x7fcf7921e0b3 - __libc_start_main [INFO] [stdout] 35: 0x55e0bf48542e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_data (line 43) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST data: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:51:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5600a43b6c2c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5600a43b6c2c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5600a43b6c2c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5600a43b6c2c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5600a43d0b7c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x5600a43b4685 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x5600a43b8230 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5600a43b8230 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5600a43b8230 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x5600a43b7ddb - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x5600a43b88e4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5600a43b83c0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x5600a43b70e4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x5600a43b8329 - rust_begin_unwind [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x5600a4392cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x5600a4392d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x5600a439dcff - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x5600a439d88a - mnist_read::read_data::hc660364642e7c966 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:20 [INFO] [stdout] 18: 0x5600a4399586 - rust_out::main::_doctest_main_src_lib_rs_43_0::h74b063428fcf8e52 [INFO] [stdout] 19: 0x5600a4399556 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x5600a4394303 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x5600a4393f49 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x5600a4393fb9 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x5600a43b6471 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x5600a43b6471 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x5600a43b6471 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x5600a43b6471 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x5600a43b6471 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x5600a43b6471 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x5600a43b6471 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x5600a43b6471 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x5600a43b6471 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x5600a4393fa1 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x5600a43997f3 - main [INFO] [stdout] 34: 0x7f3786c9e0b3 - __libc_start_main [INFO] [stdout] 35: 0x5600a439342e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - read_data (line 37) [INFO] [stdout] src/lib.rs - read_data (line 43) [INFO] [stdout] src/lib.rs - read_labels (line 18) [INFO] [stdout] src/lib.rs - read_labels (line 8) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.40s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "4c678986d085c7983edeb7f91300648925ac5789320d2e0668a7bf94d9f43407", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c678986d085c7983edeb7f91300648925ac5789320d2e0668a7bf94d9f43407", kill_on_drop: false }` [INFO] [stdout] 4c678986d085c7983edeb7f91300648925ac5789320d2e0668a7bf94d9f43407