[INFO] fetching crate mnist_read 1.0.1... [INFO] testing mnist_read-1.0.1 against 1.91.0 for beta-1.92-2 [INFO] extracting crate mnist_read 1.0.1 into /workspace/builds/worker-6-tc1/source [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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mnist_read 1.0.1 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding ndarray v0.13.1 (available: v0.17.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray v0.13.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b739bb292ff735005091e743c7be3e5dfe0c59679342edd1310f5c1bcd830d5 [INFO] running `Command { std: "docker" "start" "-a" "5b739bb292ff735005091e743c7be3e5dfe0c59679342edd1310f5c1bcd830d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b739bb292ff735005091e743c7be3e5dfe0c59679342edd1310f5c1bcd830d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b739bb292ff735005091e743c7be3e5dfe0c59679342edd1310f5c1bcd830d5", kill_on_drop: false }` [INFO] [stdout] 5b739bb292ff735005091e743c7be3e5dfe0c59679342edd1310f5c1bcd830d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddd082dd836f02d73884dc2010fded474600a5b5a3c69df32b8e7c1123cbe4a2 [INFO] running `Command { std: "docker" "start" "-a" "ddd082dd836f02d73884dc2010fded474600a5b5a3c69df32b8e7c1123cbe4a2", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.82s [INFO] running `Command { std: "docker" "inspect" "ddd082dd836f02d73884dc2010fded474600a5b5a3c69df32b8e7c1123cbe4a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddd082dd836f02d73884dc2010fded474600a5b5a3c69df32b8e7c1123cbe4a2", kill_on_drop: false }` [INFO] [stdout] ddd082dd836f02d73884dc2010fded474600a5b5a3c69df32b8e7c1123cbe4a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 351dce3c895466a364709c7730b9a620df9f63cfbbb710078168b92fdf25a2ed [INFO] running `Command { std: "docker" "start" "-a" "351dce3c895466a364709c7730b9a620df9f63cfbbb710078168b92fdf25a2ed", kill_on_drop: false }` [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "351dce3c895466a364709c7730b9a620df9f63cfbbb710078168b92fdf25a2ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "351dce3c895466a364709c7730b9a620df9f63cfbbb710078168b92fdf25a2ed", kill_on_drop: false }` [INFO] [stdout] 351dce3c895466a364709c7730b9a620df9f63cfbbb710078168b92fdf25a2ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d8f558fcc2caef608430d015c71c02df24440c1459ee09e738a5e226ccf75bbc [INFO] running `Command { std: "docker" "start" "-a" "d8f558fcc2caef608430d015c71c02df24440c1459ee09e738a5e226ccf75bbc", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mnist_read-c0728c189515b083) [INFO] [stdout] [INFO] [stdout] running 0 tests [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 mnist_read [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - read_data (line 37) ... FAILED [INFO] [stdout] test src/lib.rs - read_data (line 43) ... FAILED [INFO] [stdout] test src/lib.rs - read_labels (line 8) ... FAILED [INFO] [stdout] test src/lib.rs - read_labels (line 18) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_data (line 37) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (120) panicked at src/lib.rs:51:37: [INFO] [stdout] Couldn't open MNIST data: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5c1ea85806b2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5c1ea85806b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5c1ea85806b2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5c1ea85806b2 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5c1ea858f40f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5c1ea858f40f - core::fmt::write::hecf68a131630c74d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5c1ea855eab1 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5c1ea855eab1 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5c1ea8563e22 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5c1ea856567c - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5c1ea85654d6 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5c1ea8565d05 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5c1ea8565b9a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5c1ea8563f59 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5c1ea855351d - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5c1ea8592790 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5c1ea8591fc6 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x5c1ea8551f5e - core::result::Result::expect::hc05bb4f4eb7c5aa6 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1178:23 [INFO] [stdout] 18: 0x5c1ea854f585 - mnist_read::read_data::h1bc2211debb9cbf5 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:37 [INFO] [stdout] 19: 0x5c1ea854f2e3 - rust_out::main::_doctest_main_src_lib_rs_37_0::h373f6dc292d68ee2 [INFO] [stdout] 20: 0x5c1ea854f2b6 - rust_out::main::hcbdc0960c876f2af [INFO] [stdout] 21: 0x5c1ea854f283 - core::ops::function::FnOnce::call_once::hfb4119cacd246208 [INFO] [stdout] 22: 0x5c1ea854f226 - std::sys::backtrace::__rust_begin_short_backtrace::h410c329a888fe2f7 [INFO] [stdout] 23: 0x5c1ea854f209 - std::rt::lang_start::{{closure}}::h39fc2126d871a896 [INFO] [stdout] 24: 0x5c1ea855fea0 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 25: 0x5c1ea855fea0 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 26: 0x5c1ea855fea0 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 27: 0x5c1ea855fea0 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x5c1ea855fea0 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x5c1ea855fea0 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x5c1ea855fea0 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x5c1ea855fea0 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x5c1ea855fea0 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x5c1ea854f1f1 - std::rt::lang_start::h866de1957bb2b812 [INFO] [stdout] 34: 0x5c1ea854f3e5 - main [INFO] [stdout] 35: 0x76bd9102b1ca - [INFO] [stdout] 36: 0x76bd9102b28b - __libc_start_main [INFO] [stdout] 37: 0x5c1ea854f105 - _start [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_data (line 43) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (121) panicked at src/lib.rs:51:37: [INFO] [stdout] Couldn't open MNIST data: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x616fa18eee82 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x616fa18eee82 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x616fa18eee82 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x616fa18eee82 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x616fa18fddaf - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x616fa18fddaf - core::fmt::write::hecf68a131630c74d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x616fa18cd281 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x616fa18cd281 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x616fa18d25f2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x616fa18d3e4c - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x616fa18d3ca6 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x616fa18d44d5 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x616fa18d436a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x616fa18d2729 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x616fa18c1ced - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x616fa19011f0 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x616fa1900966 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x616fa18bfa6e - core::result::Result::expect::hc05bb4f4eb7c5aa6 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1178:23 [INFO] [stdout] 18: 0x616fa18bd095 - mnist_read::read_data::h1bc2211debb9cbf5 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:37 [INFO] [stdout] 19: 0x616fa18bcb26 - rust_out::main::_doctest_main_src_lib_rs_43_0::h9a73abd4b54ed0a5 [INFO] [stdout] 20: 0x616fa18bcaf6 - rust_out::main::hcbdc0960c876f2af [INFO] [stdout] 21: 0x616fa18ba6c3 - core::ops::function::FnOnce::call_once::hfb4119cacd246208 [INFO] [stdout] 22: 0x616fa18ba316 - std::sys::backtrace::__rust_begin_short_backtrace::h410c329a888fe2f7 [INFO] [stdout] 23: 0x616fa18ba2f9 - std::rt::lang_start::{{closure}}::h39fc2126d871a896 [INFO] [stdout] 24: 0x616fa18ce670 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 25: 0x616fa18ce670 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 26: 0x616fa18ce670 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 27: 0x616fa18ce670 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x616fa18ce670 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x616fa18ce670 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x616fa18ce670 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x616fa18ce670 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x616fa18ce670 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x616fa18ba2e1 - std::rt::lang_start::h866de1957bb2b812 [INFO] [stdout] 34: 0x616fa18bcef5 - main [INFO] [stdout] 35: 0x73a52966b1ca - [INFO] [stdout] 36: 0x73a52966b28b - __libc_start_main [INFO] [stdout] 37: 0x616fa18b9bf5 - _start [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_labels (line 8) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (138) panicked at src/lib.rs:26:37: [INFO] [stdout] Couldn't open MNIST labels: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56875b912c32 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x56875b912c32 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x56875b912c32 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56875b912c32 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56875b921aef - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x56875b921aef - core::fmt::write::hecf68a131630c74d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x56875b8f1031 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x56875b8f1031 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x56875b8f63a2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x56875b8f7bfc - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x56875b8f7a56 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x56875b8f8285 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x56875b8f811a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x56875b8f64d9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x56875b8e5a9d - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x56875b924e60 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x56875b9246a6 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x56875b8e44de - core::result::Result::expect::hc05bb4f4eb7c5aa6 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1178:23 [INFO] [stdout] 18: 0x56875b8e1b05 - mnist_read::read_labels::h11fb5b4cedb9275b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:37 [INFO] [stdout] 19: 0x56875b8e16f6 - rust_out::main::_doctest_main_src_lib_rs_8_0::h911ff5464989deef [INFO] [stdout] 20: 0x56875b8e16b6 - rust_out::main::hcbdc0960c876f2af [INFO] [stdout] 21: 0x56875b8e1573 - core::ops::function::FnOnce::call_once::hfb4119cacd246208 [INFO] [stdout] 22: 0x56875b8e1516 - std::sys::backtrace::__rust_begin_short_backtrace::h410c329a888fe2f7 [INFO] [stdout] 23: 0x56875b8e14f9 - std::rt::lang_start::{{closure}}::h39fc2126d871a896 [INFO] [stdout] 24: 0x56875b8f2420 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 25: 0x56875b8f2420 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 26: 0x56875b8f2420 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 27: 0x56875b8f2420 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x56875b8f2420 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x56875b8f2420 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x56875b8f2420 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x56875b8f2420 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x56875b8f2420 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x56875b8e14e1 - std::rt::lang_start::h866de1957bb2b812 [INFO] [stdout] 34: 0x56875b8e1965 - main [INFO] [stdout] 35: 0x7dfd4a49a1ca - [INFO] [stdout] 36: 0x7dfd4a49a28b - __libc_start_main [INFO] [stdout] 37: 0x56875b8e12e5 - _start [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_labels (line 18) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (139) panicked at src/lib.rs:26:37: [INFO] [stdout] Couldn't open MNIST labels: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x621570967e62 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x621570967e62 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x621570967e62 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x621570967e62 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x621570976d8f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x621570976d8f - core::fmt::write::hecf68a131630c74d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x621570946261 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x621570946261 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x62157094b5d2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x62157094ce2c - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x62157094cc86 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x62157094d4b5 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x62157094d34a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x62157094b709 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x62157093accd - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x62157097a1d0 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x621570979946 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x6215709388de - core::result::Result::expect::hc05bb4f4eb7c5aa6 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1178:23 [INFO] [stdout] 18: 0x621570935f05 - mnist_read::read_labels::h11fb5b4cedb9275b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:37 [INFO] [stdout] 19: 0x621570935a46 - rust_out::main::_doctest_main_src_lib_rs_18_0::hf671d2d9225620eb [INFO] [stdout] 20: 0x621570935a16 - rust_out::main::hcbdc0960c876f2af [INFO] [stdout] 21: 0x6215709336e3 - core::ops::function::FnOnce::call_once::hfb4119cacd246208 [INFO] [stdout] 22: 0x621570933336 - std::sys::backtrace::__rust_begin_short_backtrace::h410c329a888fe2f7 [INFO] [stdout] 23: 0x621570933319 - std::rt::lang_start::{{closure}}::h39fc2126d871a896 [INFO] [stdout] 24: 0x621570947650 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 25: 0x621570947650 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 26: 0x621570947650 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 27: 0x621570947650 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x621570947650 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x621570947650 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x621570947650 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x621570947650 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x621570947650 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x621570933301 - std::rt::lang_start::h866de1957bb2b812 [INFO] [stdout] 34: 0x621570935d65 - main [INFO] [stdout] 35: 0x702254fac1ca - [INFO] [stdout] 36: 0x702254fac28b - __libc_start_main [INFO] [stdout] 37: 0x621570932c15 - _start [INFO] [stdout] 38: 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 0.30s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "d8f558fcc2caef608430d015c71c02df24440c1459ee09e738a5e226ccf75bbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8f558fcc2caef608430d015c71c02df24440c1459ee09e738a5e226ccf75bbc", kill_on_drop: false }` [INFO] [stdout] d8f558fcc2caef608430d015c71c02df24440c1459ee09e738a5e226ccf75bbc