[INFO] fetching crate eat-nom 0.1.5...
[INFO] checking eat-nom-0.1.5 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate eat-nom 0.1.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate eat-nom 0.1.5 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eat-nom 0.1.5
[INFO] finished tweaking crates.io crate eat-nom 0.1.5
[INFO] tweaked toml for crates.io crate eat-nom 0.1.5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 767c8f75f734c32cc8397e09a25758e817a3fe95d871b7d54b322fb69fc66e67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "767c8f75f734c32cc8397e09a25758e817a3fe95d871b7d54b322fb69fc66e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767c8f75f734c32cc8397e09a25758e817a3fe95d871b7d54b322fb69fc66e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767c8f75f734c32cc8397e09a25758e817a3fe95d871b7d54b322fb69fc66e67", kill_on_drop: false }`
[INFO] [stdout] 767c8f75f734c32cc8397e09a25758e817a3fe95d871b7d54b322fb69fc66e67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 633639b7215cad9259a601643be4ae0acf632927a06ee66dbd9dbee4c17328a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "633639b7215cad9259a601643be4ae0acf632927a06ee66dbd9dbee4c17328a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking lexical-core v0.7.5
[INFO] [stderr]     Checking eat-nom v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/error.rs:85:50
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn test_until_eof_ok() -> EatResult<()> {
[INFO] [stdout]    |                               ------------- expected `error::ErrorKind` because of this
[INFO] [stdout] ...
[INFO] [stdout] 85 |         let (x, y) = until_eof("hello, worldeof")?;
[INFO] [stdout]    |                                                  ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_ip(input: &str) -> EatResult<IpAddr> {
[INFO] [stdout]    |                                 ----------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 26 |     let (_, out) = ip(input)?;
[INFO] [stdout]    |                             ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:45:67
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parse_ip_mask<'a>(input: &'a str, concat: &'a str) -> EatResult<(IpAddr, IpAddr)> {
[INFO] [stdout]    |                                                              --------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 45 |     let (_, (ip, _, mask)) = tuple((ip, tag(concat), mask))(input)?;
[INFO] [stdout]    |                                                                   ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:53:81
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_ip_mask_opt(input: &str) -> EatResult<(IpAddr, IpAddr)> {
[INFO] [stdout]    |                                          --------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 52 |     let (_, (ip, _, mask)) =
[INFO] [stdout] 53 |         tuple((ip, alt((tag("/"), tag("-"), tag(" "), tag("\\"))), mask))(input)?;
[INFO] [stdout]    |                                                                                 ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:60:67
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn parse_ip_range<'a>(input: &'a str, concat: &'a str) -> EatResult<Range<IpAddr>> {
[INFO] [stdout]    |                                                               ------------------------ expected `error::ErrorKind` because of this
[INFO] [stdout] 60 |     let (_, (start, _, end)) = tuple((ip, tag(concat), ip))(input)?;
[INFO] [stdout]    |                                                                   ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:68:79
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn parse_ip_range_opt(input: &str) -> EatResult<Range<IpAddr>> {
[INFO] [stdout]    |                                           ------------------------ expected `error::ErrorKind` because of this
[INFO] [stdout] 67 |     let (_, (start, _, end)) =
[INFO] [stdout] 68 |         tuple((ip, alt((tag("/"), tag("-"), tag(" "), tag("\\"))), ip))(input)?;
[INFO] [stdout]    |                                                                               ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:75:69
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn parse_ip_cidr<'a>(input: &'a str, concat: &'a str) -> EatResult<(IpAddr, usize)> {
[INFO] [stdout]    |                                                              -------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 75 |     let (_, (ip, _, cidr)) = tuple((ip, tag(concat), digit1))(input)?;
[INFO] [stdout]    |                                                                     ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:83:83
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn parse_ip_cidr_opt(input: &str) -> EatResult<(IpAddr, usize)> {
[INFO] [stdout]    |                                          -------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 82 |     let (_, (ip, _, cidr)) =
[INFO] [stdout] 83 |         tuple((ip, alt((tag("/"), tag("-"), tag(" "), tag("\\"))), digit1))(input)?;
[INFO] [stdout]    |                                                                                   ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn parse_ip(input: &str) -> EatResult<IpAddr> {
[INFO] [stdout]    |                                 ----------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 26 |     let (_, out) = ip(input)?;
[INFO] [stdout]    |                             ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:45:67
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parse_ip_mask<'a>(input: &'a str, concat: &'a str) -> EatResult<(IpAddr, IpAddr)> {
[INFO] [stdout]    |                                                              --------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 45 |     let (_, (ip, _, mask)) = tuple((ip, tag(concat), mask))(input)?;
[INFO] [stdout]    |                                                                   ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:53:81
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_ip_mask_opt(input: &str) -> EatResult<(IpAddr, IpAddr)> {
[INFO] [stdout]    |                                          --------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 52 |     let (_, (ip, _, mask)) =
[INFO] [stdout] 53 |         tuple((ip, alt((tag("/"), tag("-"), tag(" "), tag("\\"))), mask))(input)?;
[INFO] [stdout]    |                                                                                 ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:60:67
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn parse_ip_range<'a>(input: &'a str, concat: &'a str) -> EatResult<Range<IpAddr>> {
[INFO] [stdout]    |                                                               ------------------------ expected `error::ErrorKind` because of this
[INFO] [stdout] 60 |     let (_, (start, _, end)) = tuple((ip, tag(concat), ip))(input)?;
[INFO] [stdout]    |                                                                   ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:68:79
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn parse_ip_range_opt(input: &str) -> EatResult<Range<IpAddr>> {
[INFO] [stdout]    |                                           ------------------------ expected `error::ErrorKind` because of this
[INFO] [stdout] 67 |     let (_, (start, _, end)) =
[INFO] [stdout] 68 |         tuple((ip, alt((tag("/"), tag("-"), tag(" "), tag("\\"))), ip))(input)?;
[INFO] [stdout]    |                                                                               ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:75:69
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn parse_ip_cidr<'a>(input: &'a str, concat: &'a str) -> EatResult<(IpAddr, usize)> {
[INFO] [stdout]    |                                                              -------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 75 |     let (_, (ip, _, cidr)) = tuple((ip, tag(concat), digit1))(input)?;
[INFO] [stdout]    |                                                                     ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eat-nom`
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `error::ErrorKind`
[INFO] [stdout]   --> src/ip.rs:83:83
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn parse_ip_cidr_opt(input: &str) -> EatResult<(IpAddr, usize)> {
[INFO] [stdout]    |                                          -------------------------- expected `error::ErrorKind` because of this
[INFO] [stdout] 82 |     let (_, (ip, _, cidr)) =
[INFO] [stdout] 83 |         tuple((ip, alt((tag("/"), tag("-"), tag(" "), tag("\\"))), digit1))(input)?;
[INFO] [stdout]    |                                                                                   ^ the trait `From<nom::Err<nom::error::Error<&str>>>` is not implemented for `error::ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "633639b7215cad9259a601643be4ae0acf632927a06ee66dbd9dbee4c17328a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633639b7215cad9259a601643be4ae0acf632927a06ee66dbd9dbee4c17328a2", kill_on_drop: false }`
[INFO] [stdout] 633639b7215cad9259a601643be4ae0acf632927a06ee66dbd9dbee4c17328a2