[INFO] cloning repository https://github.com/ripx80/wgr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ripx80/wgr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fripx80%2Fwgr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fripx80%2Fwgr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d56ef22b83df6f65978ce33251379ee934769265
[INFO] checking ripx80/wgr against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fripx80%2Fwgr" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ripx80/wgr on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ripx80/wgr
[INFO] finished tweaking git repo https://github.com/ripx80/wgr
[INFO] tweaked toml for git repo https://github.com/ripx80/wgr written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ripx80/wgr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd55a6bca1e1ef496f52229eee694466f608c3ceaa7b60e79b5a9ad5d85f0081
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd55a6bca1e1ef496f52229eee694466f608c3ceaa7b60e79b5a9ad5d85f0081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd55a6bca1e1ef496f52229eee694466f608c3ceaa7b60e79b5a9ad5d85f0081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd55a6bca1e1ef496f52229eee694466f608c3ceaa7b60e79b5a9ad5d85f0081", kill_on_drop: false }`
[INFO] [stdout] cd55a6bca1e1ef496f52229eee694466f608c3ceaa7b60e79b5a9ad5d85f0081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23e65cbda8987dbe4b8409fb4106b9c57cb1a007930798b89ab551fd1ed72ff6
[INFO] running `Command { std: "docker" "start" "-a" "23e65cbda8987dbe4b8409fb4106b9c57cb1a007930798b89ab551fd1ed72ff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking wgr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `Key`
[INFO] [stdout]   --> src/wireguard/types.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type Key = [u8; 32];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vkey`
[INFO] [stdout]   --> src/wireguard/types.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub type Vkey = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Key`
[INFO] [stdout]   --> src/wireguard/types.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub type Key = [u8; 32];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vkey`
[INFO] [stdout]   --> src/wireguard/types.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub type Vkey = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.10s
[INFO] running `Command { std: "docker" "inspect" "23e65cbda8987dbe4b8409fb4106b9c57cb1a007930798b89ab551fd1ed72ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e65cbda8987dbe4b8409fb4106b9c57cb1a007930798b89ab551fd1ed72ff6", kill_on_drop: false }`
[INFO] [stdout] 23e65cbda8987dbe4b8409fb4106b9c57cb1a007930798b89ab551fd1ed72ff6