[INFO] fetching crate if-watch-plus 1.0.0...
[INFO] testing if-watch-plus-1.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate if-watch-plus 1.0.0 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate if-watch-plus 1.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded async-io v2.3.4
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded polling v3.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9e2f9c16f167e9bd2f7c6a149e6b9262143ff67e973145d5c90654bbd437dde
[INFO] running `Command { std: "docker" "start" "-a" "e9e2f9c16f167e9bd2f7c6a149e6b9262143ff67e973145d5c90654bbd437dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e2f9c16f167e9bd2f7c6a149e6b9262143ff67e973145d5c90654bbd437dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e2f9c16f167e9bd2f7c6a149e6b9262143ff67e973145d5c90654bbd437dde", kill_on_drop: false }`
[INFO] [stdout] e9e2f9c16f167e9bd2f7c6a149e6b9262143ff67e973145d5c90654bbd437dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 823c5315456c1819052344d25d1476ad73bacacd7ddbdfeb909c78dc424aea96
[INFO] running `Command { std: "docker" "start" "-a" "823c5315456c1819052344d25d1476ad73bacacd7ddbdfeb909c78dc424aea96", 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 pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling quote v1.0.37
[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" "823c5315456c1819052344d25d1476ad73bacacd7ddbdfeb909c78dc424aea96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823c5315456c1819052344d25d1476ad73bacacd7ddbdfeb909c78dc424aea96", kill_on_drop: false }`
[INFO] [stdout] 823c5315456c1819052344d25d1476ad73bacacd7ddbdfeb909c78dc424aea96
