[INFO] updating cached repository EvilRobotOverlord/mnist-dataset-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/EvilRobotOverlord/mnist-dataset-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/EvilRobotOverlord/mnist-dataset-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/EvilRobotOverlord/mnist-dataset-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/EvilRobotOverlord/mnist-dataset-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/EvilRobotOverlord/mnist-dataset-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/EvilRobotOverlord/mnist-dataset-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/EvilRobotOverlord/mnist-dataset-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d7b48065345e32b3a432e72cc77512b86f513d3c [INFO] sha for GitHub repo EvilRobotOverlord/mnist-dataset-rust: d7b48065345e32b3a432e72cc77512b86f513d3c [INFO] validating manifest of EvilRobotOverlord/mnist-dataset-rust on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of EvilRobotOverlord/mnist-dataset-rust on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing EvilRobotOverlord/mnist-dataset-rust [INFO] finished frobbing EvilRobotOverlord/mnist-dataset-rust [INFO] frobbed toml for EvilRobotOverlord/mnist-dataset-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/EvilRobotOverlord/mnist-dataset-rust/Cargo.toml [INFO] started frobbing EvilRobotOverlord/mnist-dataset-rust [INFO] finished frobbing EvilRobotOverlord/mnist-dataset-rust [INFO] frobbed toml for EvilRobotOverlord/mnist-dataset-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/EvilRobotOverlord/mnist-dataset-rust/Cargo.toml [INFO] crate EvilRobotOverlord/mnist-dataset-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing EvilRobotOverlord/mnist-dataset-rust against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/EvilRobotOverlord/mnist-dataset-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] da132e438e92a596d429cb4fbe2165e960b588c38e057b778ce42fd5d1ce6079 [INFO] running `"docker" "start" "-a" "da132e438e92a596d429cb4fbe2165e960b588c38e057b778ce42fd5d1ce6079"` [INFO] [stderr] Compiling serde v1.0.67 [INFO] [stderr] Compiling ndarray v0.11.2 [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling filetime v0.2.1 [INFO] [stderr] Compiling xattr v0.2.1 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling flate2 v1.0.1 [INFO] [stderr] Compiling tar v0.4.15 [INFO] [stderr] Compiling bincode v1.0.1 [INFO] [stderr] Compiling mnist-dataset-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/exec.rs:6:44 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn exec(one_d: bool) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read.rs:26:57 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn images(set: &str, one_d: bool) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read.rs:72:44 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn labels(set: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.71s [INFO] running `"docker" "inspect" "da132e438e92a596d429cb4fbe2165e960b588c38e057b778ce42fd5d1ce6079"` [INFO] running `"docker" "rm" "-f" "da132e438e92a596d429cb4fbe2165e960b588c38e057b778ce42fd5d1ce6079"` [INFO] [stdout] da132e438e92a596d429cb4fbe2165e960b588c38e057b778ce42fd5d1ce6079 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/EvilRobotOverlord/mnist-dataset-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 0a7bf988b759b691748c49d4b8560044ca3b54214fd91d5447443a1610dfb6ff [INFO] running `"docker" "start" "-a" "0a7bf988b759b691748c49d4b8560044ca3b54214fd91d5447443a1610dfb6ff"` [INFO] [stderr] Compiling mnist-dataset-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/exec.rs:6:44 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn exec(one_d: bool) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read.rs:26:57 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn images(set: &str, one_d: bool) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read.rs:72:44 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn labels(set: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:22:41 [INFO] [stderr] | [INFO] [stderr] 22 | fn it_loads_run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `"docker" "inspect" "0a7bf988b759b691748c49d4b8560044ca3b54214fd91d5447443a1610dfb6ff"` [INFO] running `"docker" "rm" "-f" "0a7bf988b759b691748c49d4b8560044ca3b54214fd91d5447443a1610dfb6ff"` [INFO] [stdout] 0a7bf988b759b691748c49d4b8560044ca3b54214fd91d5447443a1610dfb6ff [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/EvilRobotOverlord/mnist-dataset-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 0e94a82d41e8c5f5ddffd2ebe5b58ccf727bdfef8d1032fdd566012ea0283c88 [INFO] running `"docker" "start" "-a" "0e94a82d41e8c5f5ddffd2ebe5b58ccf727bdfef8d1032fdd566012ea0283c88"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/crater/target/debug/deps/mnist_dataset_rust-fe4b4ef4ed922153 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::it_loads ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::it_loads stdout ---- [INFO] [stdout] thread 'test::it_loads' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x558da750f0cb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x558da750f0cb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x558da750f0cb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x558da750f0cb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x558da750f0cb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x558da750ed3a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x558da750f840 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x558da750f3c2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x558da750f2a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x558da75296dd - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x558da7473d37 - core::result::unwrap_failed::hc5a8eac7d0082000 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x558da74747c9 - core::result::Result::unwrap::h953062c1a045446f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x558da748289c - mnist_dataset_rust::test::it_loads::h66699ac688bd8fb5 [INFO] [stdout] at src/lib.rs:38 [INFO] [stdout] 13: 0x558da748283a - mnist_dataset_rust::test::it_loads::{{closure}}::h9da5195008c59fe3 [INFO] [stdout] at src/lib.rs:36 [INFO] [stdout] 14: 0x558da747cc9e - core::ops::function::FnOnce::call_once::h573ccae7b07c18cc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x558da748e7af - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x558da7512b9a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x558da74a8da8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x558da74a8da8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x558da74a8da8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x558da7483c25 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x558da7487da5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x558da7487da5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x558da7487da5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x558da7512b9a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x558da74883e2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x558da74883e2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x558da74883e2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x558da74883e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x558da75038df - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x558da75122f0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x558da75122f0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x558da75122f0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7fc1a26ad4a4 - start_thread [INFO] [stdout] 34: 0x7fc1a21d8d0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::it_loads [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "0e94a82d41e8c5f5ddffd2ebe5b58ccf727bdfef8d1032fdd566012ea0283c88"` [INFO] running `"docker" "rm" "-f" "0e94a82d41e8c5f5ddffd2ebe5b58ccf727bdfef8d1032fdd566012ea0283c88"` [INFO] [stdout] 0e94a82d41e8c5f5ddffd2ebe5b58ccf727bdfef8d1032fdd566012ea0283c88