[INFO] fetching crate eat-nom 0.1.5... [INFO] checking eat-nom-0.1.5 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] extracting crate eat-nom 0.1.5 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate eat-nom 0.1.5 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 14 packages to latest compatible versions [INFO] [stderr] Adding memchr v2.3.4 (available: v2.7.4) [INFO] [stderr] Adding nom v6.2.2 (available: v7.1.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded radium v0.5.3 [INFO] [stderr] Downloaded nom v6.2.2 [INFO] [stderr] Downloaded bitvec v0.19.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91477394b1d843f6d071e21c374105da30ae964e1c30ddb3fcdc3d2ac9eb4871 [INFO] running `Command { std: "docker" "start" "-a" "91477394b1d843f6d071e21c374105da30ae964e1c30ddb3fcdc3d2ac9eb4871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91477394b1d843f6d071e21c374105da30ae964e1c30ddb3fcdc3d2ac9eb4871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91477394b1d843f6d071e21c374105da30ae964e1c30ddb3fcdc3d2ac9eb4871", kill_on_drop: false }` [INFO] [stdout] 91477394b1d843f6d071e21c374105da30ae964e1c30ddb3fcdc3d2ac9eb4871 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e17b74ab3453c5b6b1bb88c64f5b25ae624e1ab703c4fc1886e0cde0021e6401 [INFO] running `Command { std: "docker" "start" "-a" "e17b74ab3453c5b6b1bb88c64f5b25ae624e1ab703c4fc1886e0cde0021e6401", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling nom v6.2.2 [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 { [INFO] [stdout] | ----------------- expected `error::ErrorKind` because of this [INFO] [stdout] 26 | let (_, out) = ip(input)?; [INFO] [stdout] | ---------^ the trait `From>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(), error::ErrorKind>` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual>>>` [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 { [INFO] [stdout] | ----------------- expected `error::ErrorKind` because of this [INFO] [stdout] 26 | let (_, out) = ip(input)?; [INFO] [stdout] | ---------^ the trait `From>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual>>>` [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> { [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result, error::ErrorKind>` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual>>>` [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> { [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result, error::ErrorKind>` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, IpAddr), error::ErrorKind>` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual>>>` [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> { [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result, error::ErrorKind>` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual>>>` [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> { [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result, error::ErrorKind>` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual>>>` [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>>` is not implemented for `error::ErrorKind` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, nom::Err>>` [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`: [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From` [INFO] [stdout] `error::ErrorKind` implements `From>` [INFO] [stdout] = note: required for `Result<(IpAddr, usize), error::ErrorKind>` to implement `FromResidual>>>` [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 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 8 previous errors [INFO] running `Command { std: "docker" "inspect" "e17b74ab3453c5b6b1bb88c64f5b25ae624e1ab703c4fc1886e0cde0021e6401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e17b74ab3453c5b6b1bb88c64f5b25ae624e1ab703c4fc1886e0cde0021e6401", kill_on_drop: false }` [INFO] [stdout] e17b74ab3453c5b6b1bb88c64f5b25ae624e1ab703c4fc1886e0cde0021e6401