[INFO] cloning repository https://github.com/MstKenway/TunnelForward
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MstKenway/TunnelForward" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMstKenway%2FTunnelForward", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMstKenway%2FTunnelForward'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 619f8c7b437437d07e4372d09817535b30522632
[INFO] checking MstKenway/TunnelForward against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMstKenway%2FTunnelForward" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MstKenway/TunnelForward on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MstKenway/TunnelForward
[INFO] finished tweaking git repo https://github.com/MstKenway/TunnelForward
[INFO] tweaked toml for git repo https://github.com/MstKenway/TunnelForward written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MstKenway/TunnelForward already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bec4fea6796f20f0103db2d858b82ef0ffa619e98a10f59e9062b46a9f6e4632
[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" "bec4fea6796f20f0103db2d858b82ef0ffa619e98a10f59e9062b46a9f6e4632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec4fea6796f20f0103db2d858b82ef0ffa619e98a10f59e9062b46a9f6e4632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec4fea6796f20f0103db2d858b82ef0ffa619e98a10f59e9062b46a9f6e4632", kill_on_drop: false }`
[INFO] [stdout] bec4fea6796f20f0103db2d858b82ef0ffa619e98a10f59e9062b46a9f6e4632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 027cb78c42c876f52224ce28ee0eaa0ae922421b6fb07aa4a975d0931f29df3e
[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" "027cb78c42c876f52224ce28ee0eaa0ae922421b6fb07aa4a975d0931f29df3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tunnel_forward v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `encrypt`
[INFO] [stdout]   --> src/tunnel_core/cipher.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn encrypt(data: &[u8], key: &[u8], iv: &[u8]) -> Result<Vec<u8>, symmetriccipher::SymmetricCipherError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decrypt`
[INFO] [stdout]   --> src/tunnel_core/cipher.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn decrypt(encrypted_data: &[u8], key: &[u8], iv: &[u8]) -> Result<Vec<u8>, symmetriccipher::SymmetricCipherError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encrypt`
[INFO] [stdout]   --> src/tunnel_core/cipher.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn encrypt(data: &[u8], key: &[u8], iv: &[u8]) -> Result<Vec<u8>, symmetriccipher::SymmetricCipherError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decrypt`
[INFO] [stdout]   --> src/tunnel_core/cipher.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn decrypt(encrypted_data: &[u8], key: &[u8], iv: &[u8]) -> Result<Vec<u8>, symmetriccipher::SymmetricCipherError> {
[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 12.18s
[INFO] running `Command { std: "docker" "inspect" "027cb78c42c876f52224ce28ee0eaa0ae922421b6fb07aa4a975d0931f29df3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027cb78c42c876f52224ce28ee0eaa0ae922421b6fb07aa4a975d0931f29df3e", kill_on_drop: false }`
[INFO] [stdout] 027cb78c42c876f52224ce28ee0eaa0ae922421b6fb07aa4a975d0931f29df3e