[INFO] updating cached repository maeln/Oneliner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maeln/Oneliner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maeln/Oneliner" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/maeln/Oneliner"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/maeln/Oneliner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maeln/Oneliner" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/maeln/Oneliner"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/maeln/Oneliner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4387599db55cf8146ef7a82186cc9a1c3d7dea7
[INFO] sha for GitHub repo maeln/Oneliner: d4387599db55cf8146ef7a82186cc9a1c3d7dea7
[INFO] validating manifest of maeln/Oneliner on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maeln/Oneliner on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maeln/Oneliner
[INFO] finished frobbing maeln/Oneliner
[INFO] frobbed toml for maeln/Oneliner written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/maeln/Oneliner/Cargo.toml
[INFO] started frobbing maeln/Oneliner
[INFO] finished frobbing maeln/Oneliner
[INFO] frobbed toml for maeln/Oneliner written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/maeln/Oneliner/Cargo.toml
[INFO] crate maeln/Oneliner has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing maeln/Oneliner against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/maeln/Oneliner:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 4421488f58a590bd2fdb31629e4fcebf24894afb5375f9686e77c8e4aa69799a
[INFO] running `"docker" "start" "-a" "4421488f58a590bd2fdb31629e4fcebf24894afb5375f9686e77c8e4aa69799a"`
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.2
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling oneliner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `SerializeError`
[INFO] [stderr]   --> src/serialize/errors.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     SerializeError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnserializeError`
[INFO] [stderr]   --> src/serialize/errors.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     UnserializeError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_serialize`
[INFO] [stderr]   --> src/serialize/errors.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new_serialize() -> Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_unserialize`
[INFO] [stderr]   --> src/serialize/errors.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new_unserialize() -> Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_cause`
[INFO] [stderr]   --> src/serialize/errors.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn into_cause(self) -> Option<Box<StdError + Sync + Send>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `split_word_re` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |         static ref split_word_re: Regex = Regex::new(r"\s+").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SPLIT_WORD_RE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `multiple_ponct` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:135:20
[INFO] [stderr]     |
[INFO] [stderr] 135 |         static ref multiple_ponct: Regex = Regex::new(r"(?P<unspaced>[;:\.!\?]+)").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MULTIPLE_PONCT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `url_reg` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:157:20
[INFO] [stderr]     |
[INFO] [stderr] 157 |         static ref url_reg: Regex = Regex::new(r"(.+://.+\.[a-z]+.*$)|(.*www\..*)").unwrap();
[INFO] [stderr]     |                    ^^^^^^^ help: convert the identifier to upper case: `URL_REG`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `char_reg` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:165:20
[INFO] [stderr]     |
[INFO] [stderr] 165 |         static ref char_reg: Regex = Regex::new(r".*[a-zA-Z]+.*").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^ help: convert the identifier to upper case: `CHAR_REG`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bull_reg` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |         static ref bull_reg: Regex = Regex::new(r"^#+").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^ help: convert the identifier to upper case: `BULL_REG`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `end` should have an upper case name
[INFO] [stderr]   --> src/markovchain.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |             static ref end: Regex = Regex::new(r"[;:,\.!\?]+").unwrap();
[INFO] [stderr]    |                        ^^^ help: convert the identifier to upper case: `END`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `"docker" "inspect" "4421488f58a590bd2fdb31629e4fcebf24894afb5375f9686e77c8e4aa69799a"`
[INFO] running `"docker" "rm" "-f" "4421488f58a590bd2fdb31629e4fcebf24894afb5375f9686e77c8e4aa69799a"`
[INFO] [stdout] 4421488f58a590bd2fdb31629e4fcebf24894afb5375f9686e77c8e4aa69799a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/maeln/Oneliner:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 53e6bce127c30cb99512095fc1b1508c0faca76941b041c4d5688415e0956b0a
[INFO] running `"docker" "start" "-a" "53e6bce127c30cb99512095fc1b1508c0faca76941b041c4d5688415e0956b0a"`
[INFO] [stderr]    Compiling oneliner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `SerializeError`
[INFO] [stderr]   --> src/serialize/errors.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     SerializeError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnserializeError`
[INFO] [stderr]   --> src/serialize/errors.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     UnserializeError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_serialize`
[INFO] [stderr]   --> src/serialize/errors.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new_serialize() -> Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_unserialize`
[INFO] [stderr]   --> src/serialize/errors.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new_unserialize() -> Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_cause`
[INFO] [stderr]   --> src/serialize/errors.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn into_cause(self) -> Option<Box<StdError + Sync + Send>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `split_word_re` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |         static ref split_word_re: Regex = Regex::new(r"\s+").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SPLIT_WORD_RE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `multiple_ponct` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:135:20
[INFO] [stderr]     |
[INFO] [stderr] 135 |         static ref multiple_ponct: Regex = Regex::new(r"(?P<unspaced>[;:\.!\?]+)").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MULTIPLE_PONCT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `url_reg` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:157:20
[INFO] [stderr]     |
[INFO] [stderr] 157 |         static ref url_reg: Regex = Regex::new(r"(.+://.+\.[a-z]+.*$)|(.*www\..*)").unwrap();
[INFO] [stderr]     |                    ^^^^^^^ help: convert the identifier to upper case: `URL_REG`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `char_reg` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:165:20
[INFO] [stderr]     |
[INFO] [stderr] 165 |         static ref char_reg: Regex = Regex::new(r".*[a-zA-Z]+.*").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^ help: convert the identifier to upper case: `CHAR_REG`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bull_reg` should have an upper case name
[INFO] [stderr]    --> src/csv_parser.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |         static ref bull_reg: Regex = Regex::new(r"^#+").unwrap();
[INFO] [stderr]     |                    ^^^^^^^^ help: convert the identifier to upper case: `BULL_REG`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `end` should have an upper case name
[INFO] [stderr]   --> src/markovchain.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |             static ref end: Regex = Regex::new(r"[;:,\.!\?]+").unwrap();
[INFO] [stderr]    |                        ^^^ help: convert the identifier to upper case: `END`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "53e6bce127c30cb99512095fc1b1508c0faca76941b041c4d5688415e0956b0a"`
[INFO] running `"docker" "rm" "-f" "53e6bce127c30cb99512095fc1b1508c0faca76941b041c4d5688415e0956b0a"`
[INFO] [stdout] 53e6bce127c30cb99512095fc1b1508c0faca76941b041c4d5688415e0956b0a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/maeln/Oneliner:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 420b6767813347a2414f1b318e47124d42b27d5b901c9333f04a00a63f56febc
[INFO] running `"docker" "start" "-a" "420b6767813347a2414f1b318e47124d42b27d5b901c9333f04a00a63f56febc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/oneliner-6fe4312c0d5be66f
[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" "420b6767813347a2414f1b318e47124d42b27d5b901c9333f04a00a63f56febc"`
[INFO] running `"docker" "rm" "-f" "420b6767813347a2414f1b318e47124d42b27d5b901c9333f04a00a63f56febc"`
[INFO] [stdout] 420b6767813347a2414f1b318e47124d42b27d5b901c9333f04a00a63f56febc