[INFO] fetching crate mnist_read 1.0.1... [INFO] testing mnist_read-1.0.1 against 1.90.0 for beta-1.91-3 [INFO] extracting crate mnist_read 1.0.1 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mnist_read 1.0.1 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded matrixmultiply v0.2.4 [INFO] [stderr] Downloaded ndarray v0.13.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d36933007764739e39d20851ed796ebc08dc6d9b5861315c9dd090a32abcc1d [INFO] running `Command { std: "docker" "start" "-a" "4d36933007764739e39d20851ed796ebc08dc6d9b5861315c9dd090a32abcc1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d36933007764739e39d20851ed796ebc08dc6d9b5861315c9dd090a32abcc1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d36933007764739e39d20851ed796ebc08dc6d9b5861315c9dd090a32abcc1d", kill_on_drop: false }` [INFO] [stdout] 4d36933007764739e39d20851ed796ebc08dc6d9b5861315c9dd090a32abcc1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 222a63394fd32a1751cf199caf93fbac30fd8db3b55aa8322aaf61bffc300220 [INFO] running `Command { std: "docker" "start" "-a" "222a63394fd32a1751cf199caf93fbac30fd8db3b55aa8322aaf61bffc300220", kill_on_drop: false }` [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s [INFO] running `Command { std: "docker" "inspect" "222a63394fd32a1751cf199caf93fbac30fd8db3b55aa8322aaf61bffc300220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "222a63394fd32a1751cf199caf93fbac30fd8db3b55aa8322aaf61bffc300220", kill_on_drop: false }` [INFO] [stdout] 222a63394fd32a1751cf199caf93fbac30fd8db3b55aa8322aaf61bffc300220 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e717f27af1b524faeaf31b2a2fa6bc75f2a70da4ce9ab12491dd7fbd51d9e51c [INFO] running `Command { std: "docker" "start" "-a" "e717f27af1b524faeaf31b2a2fa6bc75f2a70da4ce9ab12491dd7fbd51d9e51c", 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 0.35s [INFO] running `Command { std: "docker" "inspect" "e717f27af1b524faeaf31b2a2fa6bc75f2a70da4ce9ab12491dd7fbd51d9e51c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e717f27af1b524faeaf31b2a2fa6bc75f2a70da4ce9ab12491dd7fbd51d9e51c", kill_on_drop: false }` [INFO] [stdout] e717f27af1b524faeaf31b2a2fa6bc75f2a70da4ce9ab12491dd7fbd51d9e51c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 73ea0238b5c6a0fccc8d985635676fa328792d55df257a5240c35ab12e07f597 [INFO] running `Command { std: "docker" "start" "-a" "73ea0238b5c6a0fccc8d985635676fa328792d55df257a5240c35ab12e07f597", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mnist_read-98759712678842f4) [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_labels (line 8) ... FAILED [INFO] [stdout] test src/lib.rs - read_data (line 43) ... 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' 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: 0x56e1ca0df9c2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x56e1ca0df9c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x56e1ca0df9c2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56e1ca0df9c2 - ::fmt::hdcfcb6d4c8489523 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56e1ca0fb2e3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x56e1ca0fb2e3 - core::fmt::write::h8a494366950f23bb [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x56e1ca0dd6d3 - std::io::default_write_fmt::ha27fbccbc65eb6fa [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x56e1ca0dd6d3 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x56e1ca0df812 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x56e1ca0e08a3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x56e1ca0e0685 - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9 [INFO] [stdout] 11: 0x56e1ca0e1175 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13 [INFO] [stdout] 12: 0x56e1ca0e100a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13 [INFO] [stdout] 13: 0x56e1ca0dfeb9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x56e1ca0e0c9d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5 [INFO] [stdout] 15: 0x56e1ca0fa580 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x56e1ca0fa946 - core::result::unwrap_failed::h95bc3f5a607b2c95 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5 [INFO] [stdout] 17: 0x56e1ca0bdc5e - core::result::Result::expect::h1fe05f5deacb1bea [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1119:23 [INFO] [stdout] 18: 0x56e1ca0bebc5 - mnist_read::read_data::h79a4fe38fda0e04b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:37 [INFO] [stdout] 19: 0x56e1ca0bb103 - rust_out::main::_doctest_main_src_lib_rs_37_0::h54324dc4d40f62c2 [INFO] [stdout] 20: 0x56e1ca0bb0d6 - rust_out::main::h2d10ba762d3f8adf [INFO] [stdout] 21: 0x56e1ca0bb063 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc [INFO] [stdout] 22: 0x56e1ca0bb046 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1 [INFO] [stdout] 23: 0x56e1ca0bb029 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e [INFO] [stdout] 24: 0x56e1ca0db220 - core::ops::function::impls:: for &F>::call_once::h638295a043b40957 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 25: 0x56e1ca0db220 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 26: 0x56e1ca0db220 - std::panicking::catch_unwind::h50591d85bf847c7c [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 27: 0x56e1ca0db220 - std::panic::catch_unwind::h2487b4c4f2ae22c6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x56e1ca0db220 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x56e1ca0db220 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x56e1ca0db220 - std::panicking::catch_unwind::hf9a822ea043fb0d6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x56e1ca0db220 - std::panic::catch_unwind::h5b3cac802237ed89 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x56e1ca0db220 - std::rt::lang_start_internal::h34f9328d113fd60a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x56e1ca0bb011 - std::rt::lang_start::h8f736fe0a226e45f [INFO] [stdout] 34: 0x56e1ca0bb205 - main [INFO] [stdout] 35: 0x7097b984a1ca - [INFO] [stdout] 36: 0x7097b984a28b - __libc_start_main [INFO] [stdout] 37: 0x56e1ca0baf25 - _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' 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: 0x622fb5e64fc2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x622fb5e64fc2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x622fb5e64fc2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x622fb5e64fc2 - ::fmt::hdcfcb6d4c8489523 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x622fb5e809a3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x622fb5e809a3 - core::fmt::write::h8a494366950f23bb [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x622fb5e62cd3 - std::io::default_write_fmt::ha27fbccbc65eb6fa [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x622fb5e62cd3 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x622fb5e64e12 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x622fb5e65ea3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x622fb5e65c85 - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9 [INFO] [stdout] 11: 0x622fb5e66775 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13 [INFO] [stdout] 12: 0x622fb5e6660a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13 [INFO] [stdout] 13: 0x622fb5e654b9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x622fb5e6629d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5 [INFO] [stdout] 15: 0x622fb5e7fc40 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x622fb5e80006 - core::result::unwrap_failed::h95bc3f5a607b2c95 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5 [INFO] [stdout] 17: 0x622fb5e4325e - core::result::Result::expect::h1fe05f5deacb1bea [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1119:23 [INFO] [stdout] 18: 0x622fb5e441c5 - mnist_read::read_labels::hf42141af6c1dfbf6 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:37 [INFO] [stdout] 19: 0x622fb5e40616 - rust_out::main::_doctest_main_src_lib_rs_8_0::h7f907efac24532a4 [INFO] [stdout] 20: 0x622fb5e405d6 - rust_out::main::h2d10ba762d3f8adf [INFO] [stdout] 21: 0x622fb5e403d3 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc [INFO] [stdout] 22: 0x622fb5e403b6 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1 [INFO] [stdout] 23: 0x622fb5e40399 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e [INFO] [stdout] 24: 0x622fb5e60820 - core::ops::function::impls:: for &F>::call_once::h638295a043b40957 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 25: 0x622fb5e60820 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 26: 0x622fb5e60820 - std::panicking::catch_unwind::h50591d85bf847c7c [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 27: 0x622fb5e60820 - std::panic::catch_unwind::h2487b4c4f2ae22c6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x622fb5e60820 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x622fb5e60820 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x622fb5e60820 - std::panicking::catch_unwind::hf9a822ea043fb0d6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x622fb5e60820 - std::panic::catch_unwind::h5b3cac802237ed89 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x622fb5e60820 - std::rt::lang_start_internal::h34f9328d113fd60a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x622fb5e40381 - std::rt::lang_start::h8f736fe0a226e45f [INFO] [stdout] 34: 0x622fb5e40805 - main [INFO] [stdout] 35: 0x75a3520631ca - [INFO] [stdout] 36: 0x75a35206328b - __libc_start_main [INFO] [stdout] 37: 0x622fb5e40185 - _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' 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: 0x641e15cac1e2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x641e15cac1e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x641e15cac1e2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x641e15cac1e2 - ::fmt::hdcfcb6d4c8489523 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x641e15cc7ba3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x641e15cc7ba3 - core::fmt::write::h8a494366950f23bb [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x641e15ca9ef3 - std::io::default_write_fmt::ha27fbccbc65eb6fa [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x641e15ca9ef3 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x641e15cac032 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x641e15cad0c3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x641e15cacea5 - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9 [INFO] [stdout] 11: 0x641e15cad995 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13 [INFO] [stdout] 12: 0x641e15cad82a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13 [INFO] [stdout] 13: 0x641e15cac6d9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x641e15cad4bd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5 [INFO] [stdout] 15: 0x641e15cc6e70 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x641e15cc7206 - core::result::unwrap_failed::h95bc3f5a607b2c95 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5 [INFO] [stdout] 17: 0x641e15c897be - core::result::Result::expect::h1fe05f5deacb1bea [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1119:23 [INFO] [stdout] 18: 0x641e15c8a725 - mnist_read::read_data::h79a4fe38fda0e04b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:37 [INFO] [stdout] 19: 0x641e15c86b26 - rust_out::main::_doctest_main_src_lib_rs_43_0::h1c5325b88298005b [INFO] [stdout] 20: 0x641e15c86af6 - rust_out::main::h2d10ba762d3f8adf [INFO] [stdout] 21: 0x641e15c844e3 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc [INFO] [stdout] 22: 0x641e15c84176 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1 [INFO] [stdout] 23: 0x641e15c84159 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e [INFO] [stdout] 24: 0x641e15ca7a40 - core::ops::function::impls:: for &F>::call_once::h638295a043b40957 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 25: 0x641e15ca7a40 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 26: 0x641e15ca7a40 - std::panicking::catch_unwind::h50591d85bf847c7c [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 27: 0x641e15ca7a40 - std::panic::catch_unwind::h2487b4c4f2ae22c6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x641e15ca7a40 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x641e15ca7a40 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x641e15ca7a40 - std::panicking::catch_unwind::hf9a822ea043fb0d6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x641e15ca7a40 - std::panic::catch_unwind::h5b3cac802237ed89 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x641e15ca7a40 - std::rt::lang_start_internal::h34f9328d113fd60a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x641e15c84141 - std::rt::lang_start::h8f736fe0a226e45f [INFO] [stdout] 34: 0x641e15c86d65 - main [INFO] [stdout] 35: 0x7a7b9f3401ca - [INFO] [stdout] 36: 0x7a7b9f34028b - __libc_start_main [INFO] [stdout] 37: 0x641e15c83a55 - _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' 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: 0x6415fd56f1c2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x6415fd56f1c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x6415fd56f1c2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x6415fd56f1c2 - ::fmt::hdcfcb6d4c8489523 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x6415fd58ab83 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x6415fd58ab83 - core::fmt::write::h8a494366950f23bb [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x6415fd56ced3 - std::io::default_write_fmt::ha27fbccbc65eb6fa [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x6415fd56ced3 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x6415fd56f012 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x6415fd5700a3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x6415fd56fe85 - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9 [INFO] [stdout] 11: 0x6415fd570975 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13 [INFO] [stdout] 12: 0x6415fd57080a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13 [INFO] [stdout] 13: 0x6415fd56f6b9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x6415fd57049d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5 [INFO] [stdout] 15: 0x6415fd589e50 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x6415fd58a1e6 - core::result::unwrap_failed::h95bc3f5a607b2c95 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5 [INFO] [stdout] 17: 0x6415fd54c62e - core::result::Result::expect::h1fe05f5deacb1bea [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1119:23 [INFO] [stdout] 18: 0x6415fd54d595 - mnist_read::read_labels::hf42141af6c1dfbf6 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:37 [INFO] [stdout] 19: 0x6415fd549a46 - rust_out::main::_doctest_main_src_lib_rs_18_0::h8e897caafe842644 [INFO] [stdout] 20: 0x6415fd549a16 - rust_out::main::h2d10ba762d3f8adf [INFO] [stdout] 21: 0x6415fd547503 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc [INFO] [stdout] 22: 0x6415fd547196 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1 [INFO] [stdout] 23: 0x6415fd547179 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e [INFO] [stdout] 24: 0x6415fd56aa20 - core::ops::function::impls:: for &F>::call_once::h638295a043b40957 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 25: 0x6415fd56aa20 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 26: 0x6415fd56aa20 - std::panicking::catch_unwind::h50591d85bf847c7c [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 27: 0x6415fd56aa20 - std::panic::catch_unwind::h2487b4c4f2ae22c6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x6415fd56aa20 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x6415fd56aa20 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x6415fd56aa20 - std::panicking::catch_unwind::hf9a822ea043fb0d6 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x6415fd56aa20 - std::panic::catch_unwind::h5b3cac802237ed89 [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x6415fd56aa20 - std::rt::lang_start_internal::h34f9328d113fd60a [INFO] [stdout] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x6415fd547161 - std::rt::lang_start::h8f736fe0a226e45f [INFO] [stdout] 34: 0x6415fd549bd5 - main [INFO] [stdout] 35: 0x7070ddcdf1ca - [INFO] [stdout] 36: 0x7070ddcdf28b - __libc_start_main [INFO] [stdout] 37: 0x6415fd546a75 - _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 0.72s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "73ea0238b5c6a0fccc8d985635676fa328792d55df257a5240c35ab12e07f597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73ea0238b5c6a0fccc8d985635676fa328792d55df257a5240c35ab12e07f597", kill_on_drop: false }` [INFO] [stdout] 73ea0238b5c6a0fccc8d985635676fa328792d55df257a5240c35ab12e07f597