[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-1.38-1/sources/1.37.0/gh/EvilRobotOverlord/mnist-dataset-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/EvilRobotOverlord/mnist-dataset-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/EvilRobotOverlord/mnist-dataset-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EvilRobotOverlord/mnist-dataset-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of EvilRobotOverlord/mnist-dataset-rust on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing EvilRobotOverlord/mnist-dataset-rust against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] ea01a5e1df5c7307366433a83c3c8954d6e3672707f53a89a817b3f592099082 [INFO] running `"docker" "start" "-a" "ea01a5e1df5c7307366433a83c3c8954d6e3672707f53a89a817b3f592099082"` [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling serde v1.0.67 [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling ndarray v0.11.2 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling xattr v0.2.1 [INFO] [stderr] Compiling filetime v0.2.1 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling tar v0.4.15 [INFO] [stderr] Compiling flate2 v1.0.1 [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 23.49s [INFO] running `"docker" "inspect" "ea01a5e1df5c7307366433a83c3c8954d6e3672707f53a89a817b3f592099082"` [INFO] running `"docker" "rm" "-f" "ea01a5e1df5c7307366433a83c3c8954d6e3672707f53a89a817b3f592099082"` [INFO] [stdout] ea01a5e1df5c7307366433a83c3c8954d6e3672707f53a89a817b3f592099082 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a5fcf825299ab68074f4b48054522c8beed81258820fbb29148a72d0d5f73052 [INFO] running `"docker" "start" "-a" "a5fcf825299ab68074f4b48054522c8beed81258820fbb29148a72d0d5f73052"` [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 0.89s [INFO] running `"docker" "inspect" "a5fcf825299ab68074f4b48054522c8beed81258820fbb29148a72d0d5f73052"` [INFO] running `"docker" "rm" "-f" "a5fcf825299ab68074f4b48054522c8beed81258820fbb29148a72d0d5f73052"` [INFO] [stdout] a5fcf825299ab68074f4b48054522c8beed81258820fbb29148a72d0d5f73052 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] d755f2648fddf590e6c1d297f626fa71d9e14abf67396d8e4026fc00094b7f74 [INFO] running `"docker" "start" "-a" "d755f2648fddf590e6c1d297f626fa71d9e14abf67396d8e4026fc00094b7f74"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/mnist_dataset_rust-b8756927c7a3be52 [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: 0x56353e7c314b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x56353e7c314b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56353e7c314b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x56353e7c314b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x56353e7c314b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x56353e7c2dba - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x56353e7c38c0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x56353e7c3442 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x56353e7c3326 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x56353e7dd75d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x56353e725d57 - core::result::unwrap_failed::h9ef9de1f3a09ad62 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x56353e726859 - core::result::Result::unwrap::h5efbb1420d8d3e44 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x56353e734a2c - mnist_dataset_rust::test::it_loads::hfcdd3dc838b0acc4 [INFO] [stdout] at src/lib.rs:38 [INFO] [stdout] 13: 0x56353e7349ca - mnist_dataset_rust::test::it_loads::{{closure}}::ha4850e2c1b115c7f [INFO] [stdout] at src/lib.rs:36 [INFO] [stdout] 14: 0x56353e72edce - core::ops::function::FnOnce::call_once::h5a43edc4307969a6 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x56353e74093f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x56353e7c6c1a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x56353e75af38 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x56353e75af38 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x56353e75af38 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x56353e735db5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x56353e739e75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x56353e739e75 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x56353e739e75 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x56353e7c6c1a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x56353e73a572 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x56353e73a572 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x56353e73a572 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x56353e73a572 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x56353e7b795f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x56353e7c6370 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x56353e7c6370 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x56353e7c6370 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7fc210d374a4 - start_thread [INFO] [stdout] 34: 0x7fc210862d0f - __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" "d755f2648fddf590e6c1d297f626fa71d9e14abf67396d8e4026fc00094b7f74"` [INFO] running `"docker" "rm" "-f" "d755f2648fddf590e6c1d297f626fa71d9e14abf67396d8e4026fc00094b7f74"` [INFO] [stdout] d755f2648fddf590e6c1d297f626fa71d9e14abf67396d8e4026fc00094b7f74