[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#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkconnor%2Frust-ipv4-optimization" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nkconnor/rust-ipv4-optimization on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 666a6394cdc8b791b666d868ea5180c3c566e5408eb058c30923d13c924efef8
[INFO] running `Command { std: "docker" "start" "-a" "666a6394cdc8b791b666d868ea5180c3c566e5408eb058c30923d13c924efef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "666a6394cdc8b791b666d868ea5180c3c566e5408eb058c30923d13c924efef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666a6394cdc8b791b666d868ea5180c3c566e5408eb058c30923d13c924efef8", kill_on_drop: false }`
[INFO] [stdout] 666a6394cdc8b791b666d868ea5180c3c566e5408eb058c30923d13c924efef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dd5a718f4a5aabc2b3174b26be665f75f556c20199c85fa1bf111dd5d6a9af3
[INFO] running `Command { std: "docker" "start" "-a" "7dd5a718f4a5aabc2b3174b26be665f75f556c20199c85fa1bf111dd5d6a9af3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex v1.5.5
[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] [stderr]     Checking plotters-svg v0.3.1
[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] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/lib.rs:17:38
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Self::checked_mul(*self, other.try_into().ok()?)
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 | impl_helper! { u8 u16 u32 }
[INFO] [stdout]    | --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `impl_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/lib.rs:21:38
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Self::checked_add(*self, other.try_into().ok()?)
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 | impl_helper! { u8 u16 u32 }
[INFO] [stdout]    | --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `impl_helper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr] error: could not compile `rust-ipv4-optimization` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7dd5a718f4a5aabc2b3174b26be665f75f556c20199c85fa1bf111dd5d6a9af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd5a718f4a5aabc2b3174b26be665f75f556c20199c85fa1bf111dd5d6a9af3", kill_on_drop: false }`
[INFO] [stdout] 7dd5a718f4a5aabc2b3174b26be665f75f556c20199c85fa1bf111dd5d6a9af3
