[INFO] fetching crate mnist_read 1.0.1... [INFO] testing mnist_read-1.0.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate mnist_read 1.0.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate mnist_read 1.0.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f74385e0b345e3eb4fec4126e26b681833c65aba545c103d2994a1c07368668 [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" "9f74385e0b345e3eb4fec4126e26b681833c65aba545c103d2994a1c07368668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f74385e0b345e3eb4fec4126e26b681833c65aba545c103d2994a1c07368668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f74385e0b345e3eb4fec4126e26b681833c65aba545c103d2994a1c07368668", kill_on_drop: false }` [INFO] [stdout] 9f74385e0b345e3eb4fec4126e26b681833c65aba545c103d2994a1c07368668 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b00e6bb2c5a6cb35e059100e3f8841b52d1a757e9f6f02bbf0c3ae7457dbfb01 [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" "b00e6bb2c5a6cb35e059100e3f8841b52d1a757e9f6f02bbf0c3ae7457dbfb01", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [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 mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.84s [INFO] running `Command { std: "docker" "inspect" "b00e6bb2c5a6cb35e059100e3f8841b52d1a757e9f6f02bbf0c3ae7457dbfb01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b00e6bb2c5a6cb35e059100e3f8841b52d1a757e9f6f02bbf0c3ae7457dbfb01", kill_on_drop: false }` [INFO] [stdout] b00e6bb2c5a6cb35e059100e3f8841b52d1a757e9f6f02bbf0c3ae7457dbfb01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b0eba7a3c8ba0abdd5a6d671f3a1b7eb756bb9d4ad9aef1f0958ddd7e20adbcf [INFO] running `Command { std: "docker" "start" "-a" "b0eba7a3c8ba0abdd5a6d671f3a1b7eb756bb9d4ad9aef1f0958ddd7e20adbcf", kill_on_drop: false }` [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "b0eba7a3c8ba0abdd5a6d671f3a1b7eb756bb9d4ad9aef1f0958ddd7e20adbcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0eba7a3c8ba0abdd5a6d671f3a1b7eb756bb9d4ad9aef1f0958ddd7e20adbcf", kill_on_drop: false }` [INFO] [stdout] b0eba7a3c8ba0abdd5a6d671f3a1b7eb756bb9d4ad9aef1f0958ddd7e20adbcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64c25d1002cfe1a184cfc7de7ec587c5a91353605cd72c20b263266b35366df8 [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" "64c25d1002cfe1a184cfc7de7ec587c5a91353605cd72c20b263266b35366df8", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mnist_read-1bbd47e86b5cdb3c) [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 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: 0x55635eccf59c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55635eccf59c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55635eccf59c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55635eccf59c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55635ece94ec - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55635ecccff5 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55635ecd0ba0 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55635ecd0ba0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55635ecd0ba0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55635ecd074b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55635ecd1254 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55635ecd0d30 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55635eccfa54 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55635ecd0c99 - rust_begin_unwind [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55635ecb4cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x55635ecb4d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55635ecb666f - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x55635ecb61fa - mnist_read::read_data::hc660364642e7c966 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:20 [INFO] [stdout] 18: 0x55635ecb57de - rust_out::main::_doctest_main_src_lib_rs_37_0::h2b5a65ba25070d0c [INFO] [stdout] 19: 0x55635ecb57b6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55635ecb5683 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x55635ecb54f9 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x55635ecb5569 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x55635eccede1 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55635eccede1 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55635eccede1 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55635eccede1 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55635eccede1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x55635eccede1 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x55635eccede1 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x55635eccede1 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x55635eccede1 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x55635ecb5551 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x55635ecb58c3 - main [INFO] [stdout] 34: 0x7fe4a9e150b3 - __libc_start_main [INFO] [stdout] 35: 0x55635ecb542e - _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: 0x55c9a9931c2c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c9a9931c2c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c9a9931c2c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c9a9931c2c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c9a994bb7c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55c9a992f685 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55c9a9933230 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c9a9933230 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c9a9933230 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55c9a9932ddb - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55c9a99338e4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55c9a99333c0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55c9a99320e4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55c9a9933329 - rust_begin_unwind [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55c9a990dcd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x55c9a990dd63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55c9a9918cff - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x55c9a991888a - mnist_read::read_data::hc660364642e7c966 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:20 [INFO] [stdout] 18: 0x55c9a9914586 - rust_out::main::_doctest_main_src_lib_rs_43_0::h74b063428fcf8e52 [INFO] [stdout] 19: 0x55c9a9914556 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55c9a990f303 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x55c9a990ef49 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x55c9a990efb9 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x55c9a9931471 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55c9a9931471 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55c9a9931471 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55c9a9931471 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55c9a9931471 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x55c9a9931471 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x55c9a9931471 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x55c9a9931471 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x55c9a9931471 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x55c9a990efa1 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x55c9a99147f3 - main [INFO] [stdout] 34: 0x7f33987a50b3 - __libc_start_main [INFO] [stdout] 35: 0x55c9a990e42e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [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: 0x5576b90d400c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5576b90d400c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5576b90d400c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5576b90d400c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5576b90edf5c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x5576b90d1a65 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x5576b90d5610 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5576b90d5610 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5576b90d5610 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x5576b90d51bb - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x5576b90d5cc4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5576b90d57a0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x5576b90d44c4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x5576b90d5709 - rust_begin_unwind [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x5576b90b8cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x5576b90b8d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x5576b90bb40f - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x5576b90baf9a - mnist_read::read_labels::h3a633b2e16fe88ff [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:20 [INFO] [stdout] 18: 0x5576b90ba10e - rust_out::main::_doctest_main_src_lib_rs_8_0::ha33fbcb9ed7a01b2 [INFO] [stdout] 19: 0x5576b90ba0d6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x5576b90b9903 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x5576b90b9719 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x5576b90b9789 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x5576b90d3851 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x5576b90d3851 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x5576b90d3851 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x5576b90d3851 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x5576b90d3851 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x5576b90d3851 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x5576b90d3851 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x5576b90d3851 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x5576b90d3851 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x5576b90b9771 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x5576b90ba333 - main [INFO] [stdout] 34: 0x7f59ec9870b3 - __libc_start_main [INFO] [stdout] 35: 0x5576b90b942e - _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: 0x562e1068d09c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x562e1068d09c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x562e1068d09c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x562e1068d09c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x562e106a6fec - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x562e1068aaf5 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x562e1068e6a0 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x562e1068e6a0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x562e1068e6a0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x562e1068e24b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x562e1068ed54 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x562e1068e830 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x562e1068d554 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x562e1068e799 - rust_begin_unwind [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x562e10668cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x562e10668d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x562e1067416f - core::result::Result::expect::hfe54172c93de5906 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1255:23 [INFO] [stdout] 17: 0x562e10673cfa - mnist_read::read_labels::h3a633b2e16fe88ff [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:20 [INFO] [stdout] 18: 0x562e1066df5e - rust_out::main::_doctest_main_src_lib_rs_18_0::h3dae40b404b38c92 [INFO] [stdout] 19: 0x562e1066df36 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x562e1066a2f3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x562e10669f59 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 22: 0x562e10669fc9 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 23: 0x562e1068c8e1 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x562e1068c8e1 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x562e1068c8e1 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x562e1068c8e1 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x562e1068c8e1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x562e1068c8e1 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x562e1068c8e1 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x562e1068c8e1 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x562e1068c8e1 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x562e10669fb1 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 33: 0x562e1066e173 - main [INFO] [stdout] 34: 0x7fe4ab7030b3 - __libc_start_main [INFO] [stdout] 35: 0x562e1066942e - _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 2.56s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "64c25d1002cfe1a184cfc7de7ec587c5a91353605cd72c20b263266b35366df8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64c25d1002cfe1a184cfc7de7ec587c5a91353605cd72c20b263266b35366df8", kill_on_drop: false }` [INFO] [stdout] 64c25d1002cfe1a184cfc7de7ec587c5a91353605cd72c20b263266b35366df8