[INFO] crate neuroflow 0.1.3 is already in cache [INFO] extracting crate neuroflow 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/neuroflow/0.1.3 [INFO] extracting crate neuroflow 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/neuroflow/0.1.3 [INFO] validating manifest of neuroflow-0.1.3 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 neuroflow-0.1.3 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 neuroflow-0.1.3 [INFO] finished frobbing neuroflow-0.1.3 [INFO] frobbed toml for neuroflow-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/neuroflow/0.1.3/Cargo.toml [INFO] started frobbing neuroflow-0.1.3 [INFO] finished frobbing neuroflow-0.1.3 [INFO] frobbed toml for neuroflow-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/neuroflow/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 neuroflow-0.1.3 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-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/neuroflow/0.1.3:/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] 1dd6575a5f56a67ddf6ae06e52e93d0a4861ce2fd04f1ca346c297b5dc56fe35 [INFO] running `"docker" "start" "-a" "1dd6575a5f56a67ddf6ae06e52e93d0a4861ce2fd04f1ca346c297b5dc56fe35"` [INFO] [stderr] Compiling neuroflow v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/data/mod.rs:113:61 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn from_csv(file_path: &str) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/lib.rs:140:18 [INFO] [stderr] | [INFO] [stderr] 140 | StdError(Box) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nn` [INFO] [stderr] --> src/estimators/mod.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn OBS(nn: &super::FeedForward) { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_nn` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `obj` [INFO] [stderr] --> src/io/mod.rs:85:37 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn to_json(obj: T) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_obj` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/io/mod.rs:90:18 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn from_json(s: &str){ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `"docker" "inspect" "1dd6575a5f56a67ddf6ae06e52e93d0a4861ce2fd04f1ca346c297b5dc56fe35"` [INFO] running `"docker" "rm" "-f" "1dd6575a5f56a67ddf6ae06e52e93d0a4861ce2fd04f1ca346c297b5dc56fe35"` [INFO] [stdout] 1dd6575a5f56a67ddf6ae06e52e93d0a4861ce2fd04f1ca346c297b5dc56fe35 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/neuroflow/0.1.3:/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] 4344c64f597ac5ae05be8d9f9d7ed3d61979b413bfba38ebe7a8dc919ba93ae6 [INFO] running `"docker" "start" "-a" "4344c64f597ac5ae05be8d9f9d7ed3d61979b413bfba38ebe7a8dc919ba93ae6"` [INFO] [stderr] Compiling neuroflow v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/data/mod.rs:113:61 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn from_csv(file_path: &str) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/lib.rs:140:18 [INFO] [stderr] | [INFO] [stderr] 140 | StdError(Box) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nn` [INFO] [stderr] --> src/estimators/mod.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn OBS(nn: &super::FeedForward) { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_nn` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `obj` [INFO] [stderr] --> src/io/mod.rs:85:37 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn to_json(obj: T) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_obj` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/io/mod.rs:90:18 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn from_json(s: &str){ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `"docker" "inspect" "4344c64f597ac5ae05be8d9f9d7ed3d61979b413bfba38ebe7a8dc919ba93ae6"` [INFO] running `"docker" "rm" "-f" "4344c64f597ac5ae05be8d9f9d7ed3d61979b413bfba38ebe7a8dc919ba93ae6"` [INFO] [stdout] 4344c64f597ac5ae05be8d9f9d7ed3d61979b413bfba38ebe7a8dc919ba93ae6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/neuroflow/0.1.3:/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] 8ff8947d3137ac618319c36abdb55cdc915d8c3d607986d80666645ab4ceb663 [INFO] running `"docker" "start" "-a" "8ff8947d3137ac618319c36abdb55cdc915d8c3d607986d80666645ab4ceb663"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/neuroflow-eb720c27f2609726 [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 [INFO] [stdout] [INFO] [stderr] Doc-tests neuroflow [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test src/data/mod.rs - data::DataSet::push (line 254) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::remove (line 271) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::new (line 76) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet (line 48) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::mean (line 186) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::round (line 222) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::sum (line 149) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::from_csv (line 103) ... ok [INFO] [stdout] test src/data/mod.rs - data::Extractable (line 17) ... ok [INFO] [stdout] test src/io/mod.rs - io (line 8) ... ok [INFO] [stdout] test src/lib.rs - (line 89) ... ok [INFO] [stdout] test src/lib.rs - FeedForward (line 186) ... ok [INFO] [stdout] test src/io/mod.rs - io::save (line 42) ... ok [INFO] [stdout] test src/io/mod.rs - io (line 19) ... ok [INFO] [stdout] test src/io/mod.rs - io::load (line 67) ... ok [INFO] [stdout] test src/lib.rs - (line 60) ... FAILED [INFO] [stdout] test src/lib.rs - FeedForward (line 213) ... ok [INFO] [stdout] test src/lib.rs - FeedForward (line 194) ... ok [INFO] [stdout] test src/lib.rs - FeedForward (line 223) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::calc (line 474) ... ok [INFO] [stdout] test src/lib.rs - FeedForward (line 202) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::bind (line 397) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::learning_rate (line 515) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::fit (line 450) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::momentum (line 532) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::new (line 295) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::unbind (line 413) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::train (line 429) ... ok [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 60) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: IO(Os { code: 30, kind: Other, message: "Read-only file system" })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563b4cce9f1b - 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: 0x563b4cce9f1b - 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: 0x563b4cce9f1b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x563b4cce9f1b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x563b4cce9f1b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x563b4cce9bf7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x563b4ccea5e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x563b4ccea162 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x563b4ccea046 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x563b4cd01d2d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x563b4ccb82f8 - core::result::unwrap_failed::hec7ff85bd0b46c63 [INFO] [stdout] 11: 0x563b4ccb88e1 - core::result::Result::unwrap::h46cc7af023b05f4b [INFO] [stdout] 12: 0x563b4ccb42a9 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x563b4ccbc073 - std::rt::lang_start::{{closure}}::hcae6cf720578140e [INFO] [stdout] 14: 0x563b4ccea033 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x563b4ccea033 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x563b4ccebf1a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x563b4cceaaed - std::panicking::try::he0549d0299de204a [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x563b4cceaaed - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x563b4cceaaed - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x563b4ccbc055 - std::rt::lang_start::hf87e2ef1856a065b [INFO] [stdout] 21: 0x563b4ccb433b - main [INFO] [stdout] 22: 0x7efd17d082e1 - __libc_start_main [INFO] [stdout] 23: 0x563b4ccac95a - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 60) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "8ff8947d3137ac618319c36abdb55cdc915d8c3d607986d80666645ab4ceb663"` [INFO] running `"docker" "rm" "-f" "8ff8947d3137ac618319c36abdb55cdc915d8c3d607986d80666645ab4ceb663"` [INFO] [stdout] 8ff8947d3137ac618319c36abdb55cdc915d8c3d607986d80666645ab4ceb663