[INFO] crate neuroflow 0.1.3 is already in cache [INFO] extracting crate neuroflow 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/neuroflow/0.1.3 [INFO] extracting crate neuroflow 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/neuroflow/0.1.3 [INFO] validating manifest of neuroflow-0.1.3 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 neuroflow-0.1.3 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 neuroflow-0.1.3 [INFO] finished frobbing neuroflow-0.1.3 [INFO] frobbed toml for neuroflow-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/neuroflow/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 neuroflow-0.1.3 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] bfb7c822ff77b643372323b9b03954105ff5d63957c527d28e1c34fe0a07a675 [INFO] running `"docker" "start" "-a" "bfb7c822ff77b643372323b9b03954105ff5d63957c527d28e1c34fe0a07a675"` [INFO] [stderr] Compiling bincode v0.9.2 [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 1.79s [INFO] running `"docker" "inspect" "bfb7c822ff77b643372323b9b03954105ff5d63957c527d28e1c34fe0a07a675"` [INFO] running `"docker" "rm" "-f" "bfb7c822ff77b643372323b9b03954105ff5d63957c527d28e1c34fe0a07a675"` [INFO] [stdout] bfb7c822ff77b643372323b9b03954105ff5d63957c527d28e1c34fe0a07a675 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 1ae3406c0cd5e445fcdfb20c7b9b565b4dda33f61a81b8505bd9e2bea31a948e [INFO] running `"docker" "start" "-a" "1ae3406c0cd5e445fcdfb20c7b9b565b4dda33f61a81b8505bd9e2bea31a948e"` [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 0.90s [INFO] running `"docker" "inspect" "1ae3406c0cd5e445fcdfb20c7b9b565b4dda33f61a81b8505bd9e2bea31a948e"` [INFO] running `"docker" "rm" "-f" "1ae3406c0cd5e445fcdfb20c7b9b565b4dda33f61a81b8505bd9e2bea31a948e"` [INFO] [stdout] 1ae3406c0cd5e445fcdfb20c7b9b565b4dda33f61a81b8505bd9e2bea31a948e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 4ef6b85c18a892cf0520e09b4ccfa6886a61fffcf49180bc8182625ae98bd61e [INFO] running `"docker" "start" "-a" "4ef6b85c18a892cf0520e09b4ccfa6886a61fffcf49180bc8182625ae98bd61e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/neuroflow-8f5ef1e716d47eb2 [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::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::remove (line 271) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::round (line 222) ... ok [INFO] [stdout] test src/data/mod.rs - data::DataSet::mean (line 186) ... 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/lib.rs - (line 89) ... 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 (line 8) ... 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 186) ... ok [INFO] [stdout] test src/lib.rs - FeedForward (line 194) ... ok [INFO] [stdout] test src/lib.rs - FeedForward (line 213) ... ok [INFO] [stdout] test src/lib.rs - FeedForward (line 223) ... 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::calc (line 474) ... 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::unbind (line 413) ... ok [INFO] [stdout] test src/lib.rs - FeedForward::new (line 295) ... 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: 0x55948bfb63ab - 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: 0x55948bfb63ab - 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: 0x55948bfb63ab - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55948bfb63ab - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55948bfb63ab - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55948bfb6087 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55948bfb6a70 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55948bfb65f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55948bfb64d6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55948bfce1bd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55948bf83158 - core::result::unwrap_failed::h7be20abb5b51ca64 [INFO] [stdout] 11: 0x55948bf83741 - core::result::Result::unwrap::he4635faeb9a37ac2 [INFO] [stdout] 12: 0x55948bf7f109 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x55948bf86ed3 - std::rt::lang_start::{{closure}}::h6ad5bf6913459b3e [INFO] [stdout] 14: 0x55948bfb64c3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x55948bfb64c3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x55948bfb83aa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x55948bfb6f7d - std::panicking::try::hdf71f938885bca42 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x55948bfb6f7d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x55948bfb6f7d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x55948bf86eb5 - std::rt::lang_start::he873873cea7d311a [INFO] [stdout] 21: 0x55948bf7f19b - main [INFO] [stdout] 22: 0x7f9c088882e1 - __libc_start_main [INFO] [stdout] 23: 0x55948bf777ba - _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" "4ef6b85c18a892cf0520e09b4ccfa6886a61fffcf49180bc8182625ae98bd61e"` [INFO] running `"docker" "rm" "-f" "4ef6b85c18a892cf0520e09b4ccfa6886a61fffcf49180bc8182625ae98bd61e"` [INFO] [stdout] 4ef6b85c18a892cf0520e09b4ccfa6886a61fffcf49180bc8182625ae98bd61e