[INFO] updating cached repository Kneipenrunde/text-classify [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Kneipenrunde/text-classify [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Kneipenrunde/text-classify" "work/ex/beta-1.37-6/sources/1.36.0/gh/Kneipenrunde/text-classify"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Kneipenrunde/text-classify'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Kneipenrunde/text-classify" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Kneipenrunde/text-classify"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Kneipenrunde/text-classify'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 297cbbde74a63f2a0f223f6d66c634f4f14cdb3c [INFO] sha for GitHub repo Kneipenrunde/text-classify: 297cbbde74a63f2a0f223f6d66c634f4f14cdb3c [INFO] validating manifest of Kneipenrunde/text-classify 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 Kneipenrunde/text-classify 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 Kneipenrunde/text-classify [INFO] finished frobbing Kneipenrunde/text-classify [INFO] frobbed toml for Kneipenrunde/text-classify written to work/ex/beta-1.37-6/sources/1.36.0/gh/Kneipenrunde/text-classify/Cargo.toml [INFO] started frobbing Kneipenrunde/text-classify [INFO] finished frobbing Kneipenrunde/text-classify [INFO] frobbed toml for Kneipenrunde/text-classify written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Kneipenrunde/text-classify/Cargo.toml [INFO] crate Kneipenrunde/text-classify 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] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing Kneipenrunde/text-classify 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-4/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/Kneipenrunde/text-classify:/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] 1e00de117edee625efacd7ee274f6d4872b0a4449e80db84c722a45d3f01630c [INFO] running `"docker" "start" "-a" "1e00de117edee625efacd7ee274f6d4872b0a4449e80db84c722a45d3f01630c"` [INFO] [stderr] Compiling text-classify v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/main.rs:51:22 [INFO] [stderr] | [INFO] [stderr] 51 | fn filter(&self, data : &str) -> String { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LabelEncoder` [INFO] [stderr] --> src/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | struct LabelEncoder { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | fn new() -> LabelEncoder { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `fit` [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | fn fit(&mut self, labels : &[&str]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `transform` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | fn transform(&self, labels : &[&str]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `StopWordFilter` [INFO] [stderr] --> src/main.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | struct StopWordFilter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn new() -> StopWordFilter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `filter` [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | fn filter(&self, data : &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `"docker" "inspect" "1e00de117edee625efacd7ee274f6d4872b0a4449e80db84c722a45d3f01630c"` [INFO] running `"docker" "rm" "-f" "1e00de117edee625efacd7ee274f6d4872b0a4449e80db84c722a45d3f01630c"` [INFO] [stdout] 1e00de117edee625efacd7ee274f6d4872b0a4449e80db84c722a45d3f01630c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/Kneipenrunde/text-classify:/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] cc94836486427c8fe25b2c8307bc984cbbb529248b6510bbea6977d5e213b846 [INFO] running `"docker" "start" "-a" "cc94836486427c8fe25b2c8307bc984cbbb529248b6510bbea6977d5e213b846"` [INFO] [stderr] Compiling text-classify v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/main.rs:51:22 [INFO] [stderr] | [INFO] [stderr] 51 | fn filter(&self, data : &str) -> String { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | let mut clf = Classifier::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `stop_words` [INFO] [stderr] --> src/main.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | stop_words : Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `"docker" "inspect" "cc94836486427c8fe25b2c8307bc984cbbb529248b6510bbea6977d5e213b846"` [INFO] running `"docker" "rm" "-f" "cc94836486427c8fe25b2c8307bc984cbbb529248b6510bbea6977d5e213b846"` [INFO] [stdout] cc94836486427c8fe25b2c8307bc984cbbb529248b6510bbea6977d5e213b846 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/Kneipenrunde/text-classify:/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] 3c26630eac83de8eb658ef08ec4217115cff01132f20251e34aef03dfdb9a395 [INFO] running `"docker" "start" "-a" "3c26630eac83de8eb658ef08ec4217115cff01132f20251e34aef03dfdb9a395"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/text_classify-b6a182ade4e261ce [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_classify ... ok [INFO] [stdout] test test_class_label_encoding ... ok [INFO] [stdout] test test_count_words ... ok [INFO] [stdout] test test_accuracy ... ok [INFO] [stdout] test test_vocabulary_size ... ok [INFO] [stdout] test test_stop_word_filter ... FAILED [INFO] [stdout] test test_untrained_classifier ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_stop_word_filter stdout ---- [INFO] [stdout] thread 'test_stop_word_filter' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `""`, [INFO] [stdout] right: `"mad mad world"`', src/main.rs:240:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559d258d401b - 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: 0x559d258d401b - 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: 0x559d258d401b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x559d258d401b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x559d258d401b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x559d258d3c8a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x559d258d4790 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x559d258d4312 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x559d258d425f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x559d25878d22 - text_classify::test_stop_word_filter::h234766c8d5f04fa5 [INFO] [stdout] at src/main.rs:240 [INFO] [stdout] 10: 0x559d25878afa - text_classify::test_stop_word_filter::{{closure}}::h06bd9193d3990097 [INFO] [stdout] at src/main.rs:236 [INFO] [stdout] 11: 0x559d258820de - core::ops::function::FnOnce::call_once::hdb11ab57c7a3e9d7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x559d25896c5f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x559d258d6d0a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x559d258b1258 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x559d258b1258 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x559d258b1258 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x559d2588c0d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x559d25890255 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x559d25890255 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x559d25890255 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x559d258d6d0a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x559d25890892 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x559d25890892 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x559d25890892 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x559d25890892 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x559d258c9dbf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x559d258d6460 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x559d258d6460 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x559d258d6460 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7f13db4564a4 - start_thread [INFO] [stdout] 31: 0x7f13daf81d0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_stop_word_filter [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin text-classify' [INFO] running `"docker" "inspect" "3c26630eac83de8eb658ef08ec4217115cff01132f20251e34aef03dfdb9a395"` [INFO] running `"docker" "rm" "-f" "3c26630eac83de8eb658ef08ec4217115cff01132f20251e34aef03dfdb9a395"` [INFO] [stdout] 3c26630eac83de8eb658ef08ec4217115cff01132f20251e34aef03dfdb9a395