[INFO] updating cached repository https://github.com/hajifkd/monadic_parser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0b98ed18b67d7b08b29bf9f82fa3c4774501411
[INFO] checking hajifkd/monadic_parser against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhajifkd%2Fmonadic_parser" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hajifkd/monadic_parser on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hajifkd/monadic_parser
[INFO] finished tweaking git repo https://github.com/hajifkd/monadic_parser
[INFO] tweaked toml for git repo https://github.com/hajifkd/monadic_parser written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hajifkd/monadic_parser already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e103046c29a7ae25558ce14ca4d5f6c98b6f20212316a44db684fc7cd38347ff
[INFO] running `"docker" "start" "-a" "e103046c29a7ae25558ce14ca4d5f6c98b6f20212316a44db684fc7cd38347ff"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking monadic_parser v0.1.0 (/opt/rustwide/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] 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 1.21s
[INFO] running `"docker" "inspect" "e103046c29a7ae25558ce14ca4d5f6c98b6f20212316a44db684fc7cd38347ff"`
[INFO] running `"docker" "rm" "-f" "e103046c29a7ae25558ce14ca4d5f6c98b6f20212316a44db684fc7cd38347ff"`
[INFO] [stdout] e103046c29a7ae25558ce14ca4d5f6c98b6f20212316a44db684fc7cd38347ff