[INFO] crate korean_numbers 0.6.6 is already in cache
[INFO] extracting crate korean_numbers 0.6.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/korean_numbers/0.6.6
[INFO] extracting crate korean_numbers 0.6.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/korean_numbers/0.6.6
[INFO] validating manifest of korean_numbers-0.6.6 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 korean_numbers-0.6.6 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 korean_numbers-0.6.6
[INFO] finished frobbing korean_numbers-0.6.6
[INFO] frobbed toml for korean_numbers-0.6.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/korean_numbers/0.6.6/Cargo.toml
[INFO] started frobbing korean_numbers-0.6.6
[INFO] finished frobbing korean_numbers-0.6.6
[INFO] frobbed toml for korean_numbers-0.6.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/korean_numbers/0.6.6/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing korean_numbers-0.6.6 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/korean_numbers/0.6.6:/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] 24e9940cb388c90a1f49f298099dfea10014997484831e5b46d50514b9889ae3
[INFO] running `"docker" "start" "-a" "24e9940cb388c90a1f49f298099dfea10014997484831e5b46d50514b9889ae3"`
[INFO] [stderr]    Compiling korean_numbers v0.6.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left_side_chars`
[INFO] [stderr]    --> src/parse.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let mut left_side_chars: Vec<char> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_left_side_chars`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left_side`
[INFO] [stderr]    --> src/parse.rs:169:28
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub fn parse_hangeul_float(left_side: Vec<char>, right_side: Vec<char>) -> String {
[INFO] [stderr]     |                            ^^^^^^^^^ help: consider prefixing with an underscore: `_left_side`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right_side`
[INFO] [stderr]    --> src/parse.rs:169:50
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub fn parse_hangeul_float(left_side: Vec<char>, right_side: Vec<char>) -> String {
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_right_side`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parse.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |     let mut output = String::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: variable does not need to be mutable
[INFO] [stderr]    --> src/parse.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let mut left_side_chars: Vec<char> = vec![];
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fraction`
[INFO] [stderr]   --> src/math.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Fraction,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `EndingType`
[INFO] [stderr]   --> src/numbers.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub enum EndingType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `subject_particle`
[INFO] [stderr]   --> src/numbers.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn subject_particle(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `topic_particle`
[INFO] [stderr]   --> src/numbers.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn topic_particle(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ending_type`
[INFO] [stderr]    --> src/numbers.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn ending_type(&self) -> EndingType {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_hangeul_float`
[INFO] [stderr]    --> src/parse.rs:169:1
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub fn parse_hangeul_float(left_side: Vec<char>, right_side: Vec<char>) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "24e9940cb388c90a1f49f298099dfea10014997484831e5b46d50514b9889ae3"`
[INFO] running `"docker" "rm" "-f" "24e9940cb388c90a1f49f298099dfea10014997484831e5b46d50514b9889ae3"`
[INFO] [stdout] 24e9940cb388c90a1f49f298099dfea10014997484831e5b46d50514b9889ae3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/korean_numbers/0.6.6:/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] 922c0aecf18b6bd5357ad5d1e092a410ca8e80514e25671bf200e355d031943e
[INFO] running `"docker" "start" "-a" "922c0aecf18b6bd5357ad5d1e092a410ca8e80514e25671bf200e355d031943e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling korean_numbers v0.6.6 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> tests/test.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num::{pow, Float, BigInt};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]    --> tests/test.rs:347:10
[INFO] [stderr]     |
[INFO] [stderr] 347 |     for (subject, topic, c) in testcases {
[INFO] [stderr]     |          ^^^^^^^ help: consider prefixing with an underscore: `_subject`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `topic`
[INFO] [stderr]    --> tests/test.rs:347:19
[INFO] [stderr]     |
[INFO] [stderr] 347 |     for (subject, topic, c) in testcases {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_topic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> tests/test.rs:347:26
[INFO] [stderr]     |
[INFO] [stderr] 347 |     for (subject, topic, c) in testcases {
[INFO] [stderr]     |                          ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `testcases`
[INFO] [stderr]    --> tests/test.rs:357:9
[INFO] [stderr]     |
[INFO] [stderr] 357 |     let testcases = vec![
[INFO] [stderr]     |         ^^^^^^^^^ help: consider prefixing with an underscore: `_testcases`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `it_determines_vowels`
[INFO] [stderr]    --> tests/test.rs:334:1
[INFO] [stderr]     |
[INFO] [stderr] 334 | fn it_determines_vowels() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `math_operators`
[INFO] [stderr]    --> tests/test.rs:356:1
[INFO] [stderr]     |
[INFO] [stderr] 356 | fn math_operators() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left_side_chars`
[INFO] [stderr]    --> src/parse.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let mut left_side_chars: Vec<char> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_left_side_chars`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left_side`
[INFO] [stderr]    --> src/parse.rs:169:28
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub fn parse_hangeul_float(left_side: Vec<char>, right_side: Vec<char>) -> String {
[INFO] [stderr]     |                            ^^^^^^^^^ help: consider prefixing with an underscore: `_left_side`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right_side`
[INFO] [stderr]    --> src/parse.rs:169:50
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub fn parse_hangeul_float(left_side: Vec<char>, right_side: Vec<char>) -> String {
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_right_side`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parse.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |     let mut output = String::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: variable does not need to be mutable
[INFO] [stderr]    --> src/parse.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let mut left_side_chars: Vec<char> = vec![];
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fraction`
[INFO] [stderr]   --> src/math.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Fraction,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `EndingType`
[INFO] [stderr]   --> src/numbers.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub enum EndingType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `subject_particle`
[INFO] [stderr]   --> src/numbers.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn subject_particle(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `topic_particle`
[INFO] [stderr]   --> src/numbers.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn topic_particle(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ending_type`
[INFO] [stderr]    --> src/numbers.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn ending_type(&self) -> EndingType {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_hangeul_float`
[INFO] [stderr]    --> src/parse.rs:169:1
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub fn parse_hangeul_float(left_side: Vec<char>, right_side: Vec<char>) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "922c0aecf18b6bd5357ad5d1e092a410ca8e80514e25671bf200e355d031943e"`
[INFO] running `"docker" "rm" "-f" "922c0aecf18b6bd5357ad5d1e092a410ca8e80514e25671bf200e355d031943e"`
[INFO] [stdout] 922c0aecf18b6bd5357ad5d1e092a410ca8e80514e25671bf200e355d031943e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/korean_numbers/0.6.6:/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] 4104b6b58a08fb1def5865c7f4594074271e8f3cf125c19333e2a069f5d7458d
[INFO] running `"docker" "start" "-a" "4104b6b58a08fb1def5865c7f4594074271e8f3cf125c19333e2a069f5d7458d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/korean_nums-0b40b697593d6c37
[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]      Running /opt/crater/target/debug/deps/test-02a3fd90f599449e
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test it_handles_digits_sino ... ok
[INFO] [stdout] test it_handles_zero_through_nine_korean ... ok
[INFO] [stdout] test it_handles_mixed_digits_zeroes_money ... ok
[INFO] [stdout] test it_handles_mixed_digits_zeroes_negative ... ok
[INFO] [stdout] test it_handles_mixed_digits_zeroes_sino ... ok
[INFO] [stdout] test it_handles_math_expressions ... ok
[INFO] [stdout] test it_handles_ten_through_ninety_nine_pure ... ok
[INFO] [stdout] test it_handles_big_zeroes_sino ... ok
[INFO] [stdout] test it_handles_zeroes_sino ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests korean_nums
[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] running `"docker" "inspect" "4104b6b58a08fb1def5865c7f4594074271e8f3cf125c19333e2a069f5d7458d"`
[INFO] running `"docker" "rm" "-f" "4104b6b58a08fb1def5865c7f4594074271e8f3cf125c19333e2a069f5d7458d"`
[INFO] [stdout] 4104b6b58a08fb1def5865c7f4594074271e8f3cf125c19333e2a069f5d7458d