[INFO] cloning repository https://github.com/pianohacker/fakenet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pianohacker/fakenet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpianohacker%2Ffakenet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpianohacker%2Ffakenet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e951db93ba1125d3177cbd2e9ca87d471a4aec11
[INFO] checking pianohacker/fakenet against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpianohacker%2Ffakenet" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pianohacker/fakenet on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pianohacker/fakenet
[INFO] finished tweaking git repo https://github.com/pianohacker/fakenet
[INFO] tweaked toml for git repo https://github.com/pianohacker/fakenet written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pianohacker/fakenet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d07ec41f1f7559ad1bfd026c76c1ce4ec7234be5b45d6ec27708e8948376b5f2
[INFO] running `Command { std: "docker" "start" "-a" "d07ec41f1f7559ad1bfd026c76c1ce4ec7234be5b45d6ec27708e8948376b5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07ec41f1f7559ad1bfd026c76c1ce4ec7234be5b45d6ec27708e8948376b5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07ec41f1f7559ad1bfd026c76c1ce4ec7234be5b45d6ec27708e8948376b5f2", kill_on_drop: false }`
[INFO] [stdout] d07ec41f1f7559ad1bfd026c76c1ce4ec7234be5b45d6ec27708e8948376b5f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d75ff29f10bb120c331f1979d7e97151c492c6771cf94930986dc906db6012
[INFO] running `Command { std: "docker" "start" "-a" "70d75ff29f10bb120c331f1979d7e97151c492c6771cf94930986dc906db6012", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ouroboros_macro v0.9.5
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]     Checking ouroboros v0.9.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking fakenet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stdout] warning: associated function is never used: `traffic_class`
[INFO] [stdout]    --> src/protocols/ipv6/packet.rs:327:12
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub fn traffic_class(self, traffic_class: u8) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flow_label`
[INFO] [stdout]    --> src/protocols/ipv6/packet.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn flow_label(self, flow_label: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/protocols/ipv6/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     address: Address,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tentative`
[INFO] [stdout]   --> src/protocols/ipv6/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tentative: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addresses`
[INFO] [stdout]   --> src/protocols/ipv6/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     addresses: Vec<InterfaceAddress>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Scheduled`
[INFO] [stdout]   --> src/reactor.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Scheduled<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TimeReactorState`
[INFO] [stdout]   --> src/reactor.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct TimeReactorState<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `schedule`
[INFO] [stdout]   --> src/reactor.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn schedule(&mut self, at: Instant, after_id: ScheduledHandle) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/reactor.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn at(
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]   --> src/reactor.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn cancel(&mut self, scheduled_handle: ScheduledHandle) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TimeReactor`
[INFO] [stdout]   --> src/reactor.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct TimeReactor<'a, T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/reactor.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn new(event_receiver: Receiver<T>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle`
[INFO] [stdout]   --> src/reactor.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn handle(&self) -> TimeReactorHandle<'a, T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_schedule`
[INFO] [stdout]    --> src/reactor.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn get_next_schedule(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drop_next`
[INFO] [stdout]    --> src/reactor.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn drop_next(&self, instance: ScheduledInstance) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_event`
[INFO] [stdout]    --> src/reactor.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn handle_event(&self, event: T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/reactor.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn run(&self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TimeReactorHandle`
[INFO] [stdout]    --> src/reactor.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub struct TimeReactorHandle<'a, T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `after`
[INFO] [stdout]    --> src/reactor.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn after(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]    --> src/reactor.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn at(
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]    --> src/reactor.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn cancel(&self, scheduled_handle: ScheduledHandle) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_event`
[INFO] [stdout]    --> src/reactor.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn on_event(&self, handler: impl Fn(TimeReactorHandle<T>, &T) + 'a) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]    --> src/reactor.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn stop(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ntest v0.7.3
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/protocols/ipv6/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     address: Address,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tentative`
[INFO] [stdout]   --> src/protocols/ipv6/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tentative: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addresses`
[INFO] [stdout]   --> src/protocols/ipv6/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     addresses: Vec<InterfaceAddress>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `created_at`
[INFO] [stdout]   --> src/reactor.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     created_at: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.30s
[INFO] running `Command { std: "docker" "inspect" "70d75ff29f10bb120c331f1979d7e97151c492c6771cf94930986dc906db6012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d75ff29f10bb120c331f1979d7e97151c492c6771cf94930986dc906db6012", kill_on_drop: false }`
[INFO] [stdout] 70d75ff29f10bb120c331f1979d7e97151c492c6771cf94930986dc906db6012