[INFO] updating cached repository hajifkd/monadic_parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hajifkd/monadic_parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hajifkd/monadic_parser" "work/ex/beta-1.38-1/sources/1.37.0/gh/hajifkd/monadic_parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hajifkd/monadic_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hajifkd/monadic_parser" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hajifkd/monadic_parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hajifkd/monadic_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0b98ed18b67d7b08b29bf9f82fa3c4774501411
[INFO] sha for GitHub repo hajifkd/monadic_parser: d0b98ed18b67d7b08b29bf9f82fa3c4774501411
[INFO] validating manifest of hajifkd/monadic_parser 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 hajifkd/monadic_parser 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 hajifkd/monadic_parser
[INFO] finished frobbing hajifkd/monadic_parser
[INFO] frobbed toml for hajifkd/monadic_parser written to work/ex/beta-1.38-1/sources/1.37.0/gh/hajifkd/monadic_parser/Cargo.toml
[INFO] started frobbing hajifkd/monadic_parser
[INFO] finished frobbing hajifkd/monadic_parser
[INFO] frobbed toml for hajifkd/monadic_parser written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hajifkd/monadic_parser/Cargo.toml
[INFO] crate hajifkd/monadic_parser 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 hajifkd/monadic_parser against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hajifkd/monadic_parser:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cab300733c6c574530ce5bcf695718661fbb79fe1cddc06390d2e54437780ce0
[INFO] running `"docker" "start" "-a" "cab300733c6c574530ce5bcf695718661fbb79fe1cddc06390d2e54437780ce0"`
[INFO] [stderr]    Compiling monadic_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `or_`
[INFO] [stderr]   --> src/main.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | / fn or_<'a, F, G, T>(input: &'a str, p: F, q: G) -> ParserOut<'a, T>
[INFO] [stderr] 86 | | where
[INFO] [stderr] 87 | |     F: Fn(&'a str) -> ParserOut<'a, T>,
[INFO] [stderr] 88 | |     G: Fn(&'a str) -> ParserOut<'a, T>,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     }
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lower`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 | sat!(lower, |x: char| x.is_lowercase());
[INFO] [stderr]     | ---------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `upper`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | sat!(upper, |x: char| x.is_uppercase());
[INFO] [stderr]     | ---------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 134 | sat!(letter, |x: char| x.is_alphabetic());
[INFO] [stderr]     | ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `alphanum`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 | sat!(alphanum, |x: char| x.is_alphanumeric());
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `many1`
[INFO] [stderr]    --> src/main.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / fn many1<'a, F, T>(input: &'a str, p: F) -> ParserOut<'a, Vec<T>>
[INFO] [stderr] 149 | | where
[INFO] [stderr] 150 | |     F: Fn(&'a str) -> ParserOut<'a, T>,
[INFO] [stderr] 151 | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 155 | |     })
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "cab300733c6c574530ce5bcf695718661fbb79fe1cddc06390d2e54437780ce0"`
[INFO] running `"docker" "rm" "-f" "cab300733c6c574530ce5bcf695718661fbb79fe1cddc06390d2e54437780ce0"`
[INFO] [stdout] cab300733c6c574530ce5bcf695718661fbb79fe1cddc06390d2e54437780ce0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hajifkd/monadic_parser:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d9b0db6abd9920e49a465fbdd19e0980a2d431a4b0fd1c92f08a8399d6e4b2af
[INFO] running `"docker" "start" "-a" "d9b0db6abd9920e49a465fbdd19e0980a2d431a4b0fd1c92f08a8399d6e4b2af"`
[INFO] [stderr]    Compiling monadic_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `or_`
[INFO] [stderr]   --> src/main.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | / fn or_<'a, F, G, T>(input: &'a str, p: F, q: G) -> ParserOut<'a, T>
[INFO] [stderr] 86 | | where
[INFO] [stderr] 87 | |     F: Fn(&'a str) -> ParserOut<'a, T>,
[INFO] [stderr] 88 | |     G: Fn(&'a str) -> ParserOut<'a, T>,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     }
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lower`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 | sat!(lower, |x: char| x.is_lowercase());
[INFO] [stderr]     | ---------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `upper`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 | sat!(upper, |x: char| x.is_uppercase());
[INFO] [stderr]     | ---------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 134 | sat!(letter, |x: char| x.is_alphabetic());
[INFO] [stderr]     | ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `alphanum`
[INFO] [stderr]    --> src/main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         fn $n<'a>(input: &'a str) -> ParserOut<'a, char> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 | sat!(alphanum, |x: char| x.is_alphanumeric());
[INFO] [stderr]     | ---------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `many1`
[INFO] [stderr]    --> src/main.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / fn many1<'a, F, T>(input: &'a str, p: F) -> ParserOut<'a, Vec<T>>
[INFO] [stderr] 149 | | where
[INFO] [stderr] 150 | |     F: Fn(&'a str) -> ParserOut<'a, T>,
[INFO] [stderr] 151 | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 155 | |     })
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "d9b0db6abd9920e49a465fbdd19e0980a2d431a4b0fd1c92f08a8399d6e4b2af"`
[INFO] running `"docker" "rm" "-f" "d9b0db6abd9920e49a465fbdd19e0980a2d431a4b0fd1c92f08a8399d6e4b2af"`
[INFO] [stdout] d9b0db6abd9920e49a465fbdd19e0980a2d431a4b0fd1c92f08a8399d6e4b2af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hajifkd/monadic_parser:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5cc01ec40b1f37526a707f4b9acef80d8f1d23d0b628051de07e2ee8b6b1f29a
[INFO] running `"docker" "start" "-a" "5cc01ec40b1f37526a707f4b9acef80d8f1d23d0b628051de07e2ee8b6b1f29a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monadic_parser-e6aa1bb89631e3bb
[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" "5cc01ec40b1f37526a707f4b9acef80d8f1d23d0b628051de07e2ee8b6b1f29a"`
[INFO] running `"docker" "rm" "-f" "5cc01ec40b1f37526a707f4b9acef80d8f1d23d0b628051de07e2ee8b6b1f29a"`
[INFO] [stdout] 5cc01ec40b1f37526a707f4b9acef80d8f1d23d0b628051de07e2ee8b6b1f29a