[INFO] cloning repository Kneipenrunde/text-classify [INFO] running `"git" "clone" "--bare" "git://github.com/Kneipenrunde/text-classify.git" "work/cache/sources/gh/Kneipenrunde/text-classify"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Kneipenrunde/text-classify'... [INFO] running `"git" "clone" "work/cache/sources/gh/Kneipenrunde/text-classify" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Kneipenrunde/text-classify"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Kneipenrunde/text-classify'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Kneipenrunde/text-classify" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Kneipenrunde/text-classify"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Kneipenrunde/text-classify on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Kneipenrunde/text-classify against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 161779462d40992707b6f1425968ba232128f6c2187aa2b073a08ea80a16ec97 [INFO] running `"docker" "start" "-a" "161779462d40992707b6f1425968ba232128f6c2187aa2b073a08ea80a16ec97"` [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 2.03s [INFO] running `"docker" "inspect" "161779462d40992707b6f1425968ba232128f6c2187aa2b073a08ea80a16ec97"` [INFO] running `"docker" "rm" "-f" "161779462d40992707b6f1425968ba232128f6c2187aa2b073a08ea80a16ec97"` [INFO] [stdout] 161779462d40992707b6f1425968ba232128f6c2187aa2b073a08ea80a16ec97 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 069c6c49369d7ffb6a70b3afef64b589c650468e067cfa928cc543e1f6b2b22c [INFO] running `"docker" "start" "-a" "069c6c49369d7ffb6a70b3afef64b589c650468e067cfa928cc543e1f6b2b22c"` [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 2.32s [INFO] running `"docker" "inspect" "069c6c49369d7ffb6a70b3afef64b589c650468e067cfa928cc543e1f6b2b22c"` [INFO] running `"docker" "rm" "-f" "069c6c49369d7ffb6a70b3afef64b589c650468e067cfa928cc543e1f6b2b22c"` [INFO] [stdout] 069c6c49369d7ffb6a70b3afef64b589c650468e067cfa928cc543e1f6b2b22c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 62a956096203fc7cccdeb5fde165e3e8929899bbe4c9f8a13d89df8997471c25 [INFO] running `"docker" "start" "-a" "62a956096203fc7cccdeb5fde165e3e8929899bbe4c9f8a13d89df8997471c25"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] [stderr] Running /opt/crater/target/debug/deps/text_classify-da9b2915c5139cdd [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_class_label_encoding ... ok [INFO] [stdout] test test_accuracy ... ok [INFO] [stdout] test test_stop_word_filter ... FAILED [INFO] [stdout] test test_untrained_classifier ... ok [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: 0x55e3854d161b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55e3854d161b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55e3854d161b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55e3854d161b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55e3854d161b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55e3854d12af - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55e3854d1d90 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55e3854d1912 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55e3854d185f - std::panicking::begin_panic_fmt::h7b7b130b87f3cbeb [INFO] [stdout] at src/libstd/panicking.rs:337 [INFO] [stdout] 9: 0x55e3854760c3 - text_classify::test_stop_word_filter::h09442631f7a38248 [INFO] [stdout] at src/main.rs:240 [INFO] [stdout] 10: 0x55e385475eaa - text_classify::test_stop_word_filter::{{closure}}::h9e13f9e08785c5ed [INFO] [stdout] at src/main.rs:236 [INFO] [stdout] 11: 0x55e38547db1e - core::ops::function::FnOnce::call_once::h63f49b9ca9ee3b5d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55e38549403f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x55e3854d491a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 14: 0x55e3854aea18 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 15: 0x55e3854aea18 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 16: 0x55e3854aea18 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x55e3854895b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x55e38548d545 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x55e38548d545 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 20: 0x55e38548d545 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 21: 0x55e3854d491a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 22: 0x55e38548db62 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 23: 0x55e38548db62 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 24: 0x55e38548db62 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x55e38548db62 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x55e3854c763f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x55e3854d4060 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x55e3854d4060 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x55e3854d4060 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7f8a8fc314a4 - start_thread [INFO] [stdout] 31: 0x7f8a8f75cd0f - __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" "62a956096203fc7cccdeb5fde165e3e8929899bbe4c9f8a13d89df8997471c25"` [INFO] running `"docker" "rm" "-f" "62a956096203fc7cccdeb5fde165e3e8929899bbe4c9f8a13d89df8997471c25"` [INFO] [stdout] 62a956096203fc7cccdeb5fde165e3e8929899bbe4c9f8a13d89df8997471c25