[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-1.38-1/sources/1.37.0/gh/Kneipenrunde/text-classify"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Kneipenrunde/text-classify'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Kneipenrunde/text-classify" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kneipenrunde/text-classify"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Kneipenrunde/text-classify 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 Kneipenrunde/text-classify [INFO] finished frobbing Kneipenrunde/text-classify [INFO] frobbed toml for Kneipenrunde/text-classify written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 Kneipenrunde/text-classify 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 80b5c029a6eb501ab5319aaf01bd537007572a3d9f8072a664facf894cd740ad [INFO] running `"docker" "start" "-a" "80b5c029a6eb501ab5319aaf01bd537007572a3d9f8072a664facf894cd740ad"` [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" "80b5c029a6eb501ab5319aaf01bd537007572a3d9f8072a664facf894cd740ad"` [INFO] running `"docker" "rm" "-f" "80b5c029a6eb501ab5319aaf01bd537007572a3d9f8072a664facf894cd740ad"` [INFO] [stdout] 80b5c029a6eb501ab5319aaf01bd537007572a3d9f8072a664facf894cd740ad [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 26395dfc69db94d645b3ed44b16d259a803be14e43cea76050654f8fbfa0a67a [INFO] running `"docker" "start" "-a" "26395dfc69db94d645b3ed44b16d259a803be14e43cea76050654f8fbfa0a67a"` [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 1.81s [INFO] running `"docker" "inspect" "26395dfc69db94d645b3ed44b16d259a803be14e43cea76050654f8fbfa0a67a"` [INFO] running `"docker" "rm" "-f" "26395dfc69db94d645b3ed44b16d259a803be14e43cea76050654f8fbfa0a67a"` [INFO] [stdout] 26395dfc69db94d645b3ed44b16d259a803be14e43cea76050654f8fbfa0a67a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] d5a7fec8d569fc03c23d65126ac232c7686f62c71c282b28fffc1a3ba85160f4 [INFO] running `"docker" "start" "-a" "d5a7fec8d569fc03c23d65126ac232c7686f62c71c282b28fffc1a3ba85160f4"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/text_classify-eb64292fe5fac8c9 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_vocabulary_size ... ok [INFO] [stdout] test test_count_words ... ok [INFO] [stdout] test test_classify ... ok [INFO] [stdout] test test_accuracy ... ok [INFO] [stdout] test test_class_label_encoding ... ok [INFO] [stdout] test test_untrained_classifier ... ok [INFO] [stdout] test test_stop_word_filter ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--bin text-classify' [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: 0x55638358d01b - 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: 0x55638358d01b - 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: 0x55638358d01b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55638358d01b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55638358d01b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55638358cc8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55638358d790 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55638358d312 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55638358d25f - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x556383531d22 - text_classify::test_stop_word_filter::h19d1ef7545c9c7bf [INFO] [stdout] at src/main.rs:240 [INFO] [stdout] 10: 0x556383531afa - text_classify::test_stop_word_filter::{{closure}}::h9c1cfef042fc837a [INFO] [stdout] at src/main.rs:236 [INFO] [stdout] 11: 0x55638353b0de - core::ops::function::FnOnce::call_once::hd8df1a3e7e2f26ac [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55638354fc5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x55638358fd0a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55638356a258 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x55638356a258 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x55638356a258 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x5563835450d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x556383549195 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x556383549195 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x556383549195 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x55638358fd0a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x556383549892 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x556383549892 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x556383549892 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x556383549892 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x556383582dbf - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x55638358f460 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x55638358f460 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x55638358f460 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7eff0b0754a4 - start_thread [INFO] [stdout] 31: 0x7eff0aba0d0f - __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] running `"docker" "inspect" "d5a7fec8d569fc03c23d65126ac232c7686f62c71c282b28fffc1a3ba85160f4"` [INFO] running `"docker" "rm" "-f" "d5a7fec8d569fc03c23d65126ac232c7686f62c71c282b28fffc1a3ba85160f4"` [INFO] [stdout] d5a7fec8d569fc03c23d65126ac232c7686f62c71c282b28fffc1a3ba85160f4