[INFO] cloning repository https://github.com/nkconnor/rust-ipv4-optimization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nkconnor/rust-ipv4-optimization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkconnor%2Frust-ipv4-optimization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkconnor%2Frust-ipv4-optimization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49c3a47eaf493217be0b78a9bce643c3f62afa4a
[INFO] checking nkconnor/rust-ipv4-optimization against try#4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7 for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkconnor%2Frust-ipv4-optimization" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nkconnor/rust-ipv4-optimization
[INFO] finished tweaking git repo https://github.com/nkconnor/rust-ipv4-optimization
[INFO] tweaked toml for git repo https://github.com/nkconnor/rust-ipv4-optimization written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nkconnor/rust-ipv4-optimization on toolchain 4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nkconnor/rust-ipv4-optimization already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836
[INFO] running `Command { std: "docker" "start" "227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836" "/opt/rustwide/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836" "/opt/rustwide/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stdout] error: `#[inline]` attribute cannot be used on macro calls
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.10.3/src/flatten_ok.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: `#[inline]` can only be applied to functions
[INFO] [stdout]     = note: placing this attribute on a macro invocation does nothing even if the macro expands to what would be a valid target for the attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[inline]` attribute cannot be used on macro calls
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/itertools-0.10.3/src/rciter_impl.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: `#[inline]` can only be applied to functions
[INFO] [stdout]    = note: placing this attribute on a macro invocation does nothing even if the macro expands to what would be a valid target for the attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rust-ipv4-optimization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/lib.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout]  33 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn read_ipv6_addr(&mut self) -> Option<Ipv6Addr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     fn read_ip_addr(&mut self) -> Option<IpAddr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     fn read_port(&mut self) -> Option<u16> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 241 |     fn read_scope_id(&mut self) -> Option<u32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |     fn read_socket_addr_v4(&mut self) -> Option<SocketAddrV4> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn read_socket_addr_v6(&mut self) -> Option<SocketAddrV6> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn read_socket_addr(&mut self) -> Option<SocketAddr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/bin/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vsimple` is never used
[INFO] [stdout]    --> src/bin/main.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn vsimple(s: &str) -> Result<Ipv4Addr, ()> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vmain` is never used
[INFO] [stdout]    --> src/bin/main.rs:358:4
[INFO] [stdout]     |
[INFO] [stdout] 358 | fn vmain(s: &str) -> Result<Ipv4Addr, ()> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vpatch` is never used
[INFO] [stdout]    --> src/bin/main.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn vpatch(s: &str) -> Result<Ipv4Addr, ()> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadNumberHelper` is never used
[INFO] [stdout]   --> src/bin/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     trait ReadNumberHelper: std::marker::Sized {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/bin/main.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     struct Parser<'a> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/bin/main.rs:43:12
[INFO] [stdout]     |
[INFO] [stdout]  42 |     impl<'a> Parser<'a> {
[INFO] [stdout]     |     ------------------- associated items in this implementation
[INFO] [stdout]  43 |         fn new(input: &'a str) -> Parser<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  50 |         fn read_atomically<T, F>(&mut self, inner: F) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |         fn parse_with<T, F>(&mut self, inner: F, kind: AddrKind) -> Result<T, AddrParseError>
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |         fn peek_char(&self) -> Option<char> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  78 |         fn read_char(&mut self) -> Option<char> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |         fn read_given_char(&mut self, target: char) -> Option<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |         fn read_separator<T, F>(&mut self, sep: char, index: usize, inner: F) -> Option<T>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |         fn read_number<T: ReadNumberHelper>(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |         fn read_ipv4_addr(&mut self) -> Option<Ipv4Addr> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |         fn read_ipv6_addr(&mut self) -> Option<Ipv6Addr> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |         fn read_ip_addr(&mut self) -> Option<IpAddr> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |         fn read_port(&mut self) -> Option<u16> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |         fn read_scope_id(&mut self) -> Option<u32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 253 |         fn read_socket_addr_v4(&mut self) -> Option<SocketAddrV4> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 262 |         fn read_socket_addr_v6(&mut self) -> Option<SocketAddrV6> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |         fn read_socket_addr(&mut self) -> Option<SocketAddr> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AddrKind` is never used
[INFO] [stdout]    --> src/bin/main.rs:283:10
[INFO] [stdout]     |
[INFO] [stdout] 283 |     enum AddrKind {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddrParseError` is never constructed
[INFO] [stdout]    --> src/bin/main.rs:317:16
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub struct AddrParseError(AddrKind);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr] error: could not compile `itertools` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836", kill_on_drop: false }`
[INFO] [stdout] 227260c14737d2739e7951a80bdfc36d596ff9eb48472cef0448536bdf09e836
