[INFO] updating cached repository https://github.com/WireGuard/wireguard-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/WireGuard/wireguard-rs
[INFO] [stderr]    f228b6f..549b2cf  master     -> master
[INFO] [stderr]  * [new branch]      runq       -> runq
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 549b2cf5d0684fb331236b5bed9d47059ee0bee5
[INFO] checking WireGuard/wireguard-rs against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWireGuard%2Fwireguard-rs" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WireGuard/wireguard-rs on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/WireGuard/wireguard-rs
[INFO] finished tweaking git repo https://github.com/WireGuard/wireguard-rs
[INFO] tweaked toml for git repo https://github.com/WireGuard/wireguard-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/WireGuard/wireguard-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cc488d6ce6ef48f5845533adb7bea92d9d0af64dd7bfeb59326a5dd60ad027e
[INFO] running `"docker" "start" "-a" "9cc488d6ce6ef48f5845533adb7bea92d9d0af64dd7bfeb59326a5dd60ad027e"`
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking treebitmap v0.4.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking ring v0.16.7
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking aead v0.1.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking salsa20-core v0.2.1
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking poly1305 v0.2.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking chacha20 v0.2.1
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking chacha20poly1305 v0.1.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking hjul v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]     Checking pnet_transport v0.22.0
[INFO] [stderr]     Checking pnet v0.22.0
[INFO] [stderr]     Checking wireguard-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `AtomicUsize`, `Ordering`
[INFO] [stderr]  --> src/platform/dummy/tun.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/platform/dummy/tun.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `tun`, `udp`
[INFO] [stderr]  --> src/wireguard/tests.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::{dummy, tun, udp};
[INFO] [stderr]   |                    ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readers`
[INFO] [stderr]    --> src/platform/linux/tun.rs:386:14
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let (readers, writers, mtu) = LinuxTun::create("test").unwrap();
[INFO] [stderr]     |              ^^^^^^^ help: consider prefixing with an underscore: `_readers`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `writers`
[INFO] [stderr]    --> src/platform/linux/tun.rs:386:23
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let (readers, writers, mtu) = LinuxTun::create("test").unwrap();
[INFO] [stderr]     |                       ^^^^^^^ help: consider prefixing with an underscore: `_writers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mtu`
[INFO] [stderr]    --> src/platform/linux/tun.rs:386:32
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let (readers, writers, mtu) = LinuxTun::create("test").unwrap();
[INFO] [stderr]     |                                ^^^ help: consider prefixing with an underscore: `_mtu`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `"docker" "inspect" "9cc488d6ce6ef48f5845533adb7bea92d9d0af64dd7bfeb59326a5dd60ad027e"`
[INFO] running `"docker" "rm" "-f" "9cc488d6ce6ef48f5845533adb7bea92d9d0af64dd7bfeb59326a5dd60ad027e"`
[INFO] [stdout] 9cc488d6ce6ef48f5845533adb7bea92d9d0af64dd7bfeb59326a5dd60ad027e