[INFO] fetching crate if-watch-plus 1.0.0...
[INFO] testing if-watch-plus-1.0.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate if-watch-plus 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate if-watch-plus 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate if-watch-plus 1.0.0
[INFO] tweaked toml for crates.io crate if-watch-plus 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate if-watch-plus 1.0.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate if-watch-plus 1.0.0 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 091da6e031f71b76f2aca0ac4f23508ff7d424b622bcacb4f98248e2913204d4
[INFO] running `Command { std: "docker" "start" "-a" "091da6e031f71b76f2aca0ac4f23508ff7d424b622bcacb4f98248e2913204d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "091da6e031f71b76f2aca0ac4f23508ff7d424b622bcacb4f98248e2913204d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091da6e031f71b76f2aca0ac4f23508ff7d424b622bcacb4f98248e2913204d4", kill_on_drop: false }`
[INFO] [stdout] 091da6e031f71b76f2aca0ac4f23508ff7d424b622bcacb4f98248e2913204d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d405c5bdd52f97b24e3dfc1386bee900cbaf08695544ac0fa8c3354320636030
[INFO] running `Command { std: "docker" "start" "-a" "d405c5bdd52f97b24e3dfc1386bee900cbaf08695544ac0fa8c3354320636030", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling netlink-sys v0.8.6
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling netlink-packet-utils v0.5.2
[INFO] [stderr]    Compiling netlink-packet-core v0.4.2
[INFO] [stderr]    Compiling netlink-packet-route v0.12.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling netlink-proto v0.10.0
[INFO] [stderr]    Compiling rtnetlink v0.10.1
[INFO] [stderr]    Compiling if-watch-plus v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `IfWatcher` is never constructed
[INFO] [stdout]   --> src/linux.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct IfWatcher<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout]  3 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: associated items `new`, `iter`, `add_address`, `rem_address`, and `poll_if_event` are never used
[INFO] [stdout]    --> src/linux.rs:56:12
[INFO] [stdout]     |
[INFO] [stdout]  51 | / impl<T> IfWatcher<T>
[INFO] [stdout]  52 | | where
[INFO] [stdout]  53 | |     T: AsyncSocket + Unpin,
[INFO] [stdout]     | |___________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  56 |       pub fn new() -> Result<Self> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |       pub fn iter(&self) -> impl Iterator<Item = &IpNet> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |       fn add_address(&mut self, msg: AddressMessage) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |       fn rem_address(&mut self, msg: AddressMessage) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |       pub fn poll_if_event(&mut self, cx: &mut Context) -> Poll<Result<IfEvent>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: function `socket_err` is never used
[INFO] [stdout]    --> src/linux.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn socket_err() -> std::io::Error {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: function `iter_nets` is never used
[INFO] [stdout]    --> src/linux.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn iter_nets(msg: AddressMessage) -> impl Iterator<Item = IpNet> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `if-watch-plus` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d405c5bdd52f97b24e3dfc1386bee900cbaf08695544ac0fa8c3354320636030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d405c5bdd52f97b24e3dfc1386bee900cbaf08695544ac0fa8c3354320636030", kill_on_drop: false }`
[INFO] [stdout] d405c5bdd52f97b24e3dfc1386bee900cbaf08695544ac0fa8c3354320636030
