[INFO] fetching crate eat-nom 0.1.5...
[INFO] checking eat-nom-0.1.5 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate eat-nom 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate eat-nom 0.1.5 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v6.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27083bd7f9d12852a4795727deb25977f8e52a2676f537b33c8db58998009e03
[INFO] running `Command { std: "docker" "start" "-a" "27083bd7f9d12852a4795727deb25977f8e52a2676f537b33c8db58998009e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27083bd7f9d12852a4795727deb25977f8e52a2676f537b33c8db58998009e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27083bd7f9d12852a4795727deb25977f8e52a2676f537b33c8db58998009e03", kill_on_drop: false }`
[INFO] [stdout] 27083bd7f9d12852a4795727deb25977f8e52a2676f537b33c8db58998009e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d46ae6cb4892da9a60d3a53645e18023ee5535ec99a57a6bca09b6da27c6750
[INFO] running `Command { std: "docker" "start" "-a" "5d46ae6cb4892da9a60d3a53645e18023ee5535ec99a57a6bca09b6da27c6750", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking bitvec v0.19.6
[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/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`, which is required by `Result<IpAddr, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<IpAddr, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[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`, which is required by `Result<(), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<IpAddr, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<IpAddr, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[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: could not compile `eat-nom` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not compile `eat-nom` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "5d46ae6cb4892da9a60d3a53645e18023ee5535ec99a57a6bca09b6da27c6750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d46ae6cb4892da9a60d3a53645e18023ee5535ec99a57a6bca09b6da27c6750", kill_on_drop: false }`
[INFO] [stdout] 5d46ae6cb4892da9a60d3a53645e18023ee5535ec99a57a6bca09b6da27c6750
[INFO] checking eat-nom-0.1.5 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate eat-nom 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate eat-nom 0.1.5 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f48dc8ae755f74bc1e1688d614675a0c63dfc7ff90921b9fc54deaf7156865f
[INFO] running `Command { std: "docker" "start" "-a" "6f48dc8ae755f74bc1e1688d614675a0c63dfc7ff90921b9fc54deaf7156865f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f48dc8ae755f74bc1e1688d614675a0c63dfc7ff90921b9fc54deaf7156865f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f48dc8ae755f74bc1e1688d614675a0c63dfc7ff90921b9fc54deaf7156865f", kill_on_drop: false }`
[INFO] [stdout] 6f48dc8ae755f74bc1e1688d614675a0c63dfc7ff90921b9fc54deaf7156865f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7674716e3a55f547f25113fabfb8f0784916c209d76414215ec07ecd3ee5bca
[INFO] running `Command { std: "docker" "start" "-a" "e7674716e3a55f547f25113fabfb8f0784916c209d76414215ec07ecd3ee5bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking bitvec v0.19.6
[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/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`, which is required by `Result<IpAddr, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<IpAddr, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[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`, which is required by `Result<(), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<IpAddr, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<IpAddr, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, IpAddr), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<std::ops::Range<IpAddr>, error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<std::ops::Range<IpAddr>, error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[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`, which is required by `Result<(IpAddr, usize), error::ErrorKind>: FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         this can't be annotated with `?` because it has type `Result<_, nom::Err<nom::error::Error<&str>>>`
[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 other types implement trait `From<T>`:
[INFO] [stdout]              <error::ErrorKind as From<nom::Err<(&str, nom::error::ErrorKind)>>>
[INFO] [stdout]              <error::ErrorKind as From<ParseIntError>>
[INFO] [stdout]              <error::ErrorKind as From<AddrParseError>>
[INFO] [stdout]    = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual<Result<Infallible, nom::Err<nom::error::Error<&str>>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[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: could not compile `eat-nom` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not compile `eat-nom` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "e7674716e3a55f547f25113fabfb8f0784916c209d76414215ec07ecd3ee5bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7674716e3a55f547f25113fabfb8f0784916c209d76414215ec07ecd3ee5bca", kill_on_drop: false }`
[INFO] [stdout] e7674716e3a55f547f25113fabfb8f0784916c209d76414215ec07ecd3ee5bca
