[INFO] cloning repository https://github.com/JuanPotato/mednat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanPotato/mednat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2Fmednat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2Fmednat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11883afe2dc677e80b0e0489ece4d455eac65f3a
[INFO] checking JuanPotato/mednat against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2Fmednat" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanPotato/mednat on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JuanPotato/mednat
[INFO] finished tweaking git repo https://github.com/JuanPotato/mednat
[INFO] tweaked toml for git repo https://github.com/JuanPotato/mednat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JuanPotato/mednat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deku_derive v0.9.1
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded blurz v0.4.0
[INFO] [stderr]   Downloaded libbluetooth v0.1.0
[INFO] [stderr]   Downloaded deku v0.9.1
[INFO] [stderr]   Downloaded bitvec v0.19.4
[INFO] [stderr]   Downloaded dbus v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7f2a32d10381dc6cd4a58c72f6fc7707de06deaeebeacc2ccb1b7649f86914
[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" "ce7f2a32d10381dc6cd4a58c72f6fc7707de06deaeebeacc2ccb1b7649f86914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7f2a32d10381dc6cd4a58c72f6fc7707de06deaeebeacc2ccb1b7649f86914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7f2a32d10381dc6cd4a58c72f6fc7707de06deaeebeacc2ccb1b7649f86914", kill_on_drop: false }`
[INFO] [stdout] ce7f2a32d10381dc6cd4a58c72f6fc7707de06deaeebeacc2ccb1b7649f86914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f7a8fa522fdcb8db49e90f5f74bf0b40c6e8abb712fe1e0f6b0b9ae0b5fd7e
[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" "51f7a8fa522fdcb8db49e90f5f74bf0b40c6e8abb712fe1e0f6b0b9ae0b5fd7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking blurz v0.4.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking libbluetooth v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling deku_derive v0.9.1
[INFO] [stderr]     Checking deku v0.9.1
[INFO] [stderr]     Checking mednat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rfcomm.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new() -> Result<RfcommListener> {
[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: `bind`
[INFO] [stdout]   --> src/rfcomm.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bind(&self, channel: u8) -> Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]   --> src/rfcomm.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn listen(&self, mode: i32) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accept`
[INFO] [stdout]   --> src/rfcomm.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn accept(&mut self) -> Result<(RfcommStream, RfcommSocketAddr)> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rfcomm.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new() -> Result<RfcommListener> {
[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: `bind`
[INFO] [stdout]   --> src/rfcomm.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bind(&self, channel: u8) -> Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]   --> src/rfcomm.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn listen(&self, mode: i32) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accept`
[INFO] [stdout]   --> src/rfcomm.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn accept(&mut self) -> Result<(RfcommStream, RfcommSocketAddr)> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.20s
[INFO] running `Command { std: "docker" "inspect" "51f7a8fa522fdcb8db49e90f5f74bf0b40c6e8abb712fe1e0f6b0b9ae0b5fd7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f7a8fa522fdcb8db49e90f5f74bf0b40c6e8abb712fe1e0f6b0b9ae0b5fd7e", kill_on_drop: false }`
[INFO] [stdout] 51f7a8fa522fdcb8db49e90f5f74bf0b40c6e8abb712fe1e0f6b0b9ae0b5fd7e