[INFO] cloning repository https://github.com/CMatri/tethermanager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CMatri/tethermanager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCMatri%2Ftethermanager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCMatri%2Ftethermanager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6118a744fba2a0a99ad1a4439f1463a0b92f9122
[INFO] checking CMatri/tethermanager against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCMatri%2Ftethermanager" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CMatri/tethermanager on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CMatri/tethermanager
[INFO] finished tweaking git repo https://github.com/CMatri/tethermanager
[INFO] tweaked toml for git repo https://github.com/CMatri/tethermanager written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/CMatri/tethermanager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc4bca38c20ee1095ad4271b23bbe149bc160fa2039fa3356b04f0deb802dd0e
[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" "bc4bca38c20ee1095ad4271b23bbe149bc160fa2039fa3356b04f0deb802dd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc4bca38c20ee1095ad4271b23bbe149bc160fa2039fa3356b04f0deb802dd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4bca38c20ee1095ad4271b23bbe149bc160fa2039fa3356b04f0deb802dd0e", kill_on_drop: false }`
[INFO] [stdout] bc4bca38c20ee1095ad4271b23bbe149bc160fa2039fa3356b04f0deb802dd0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] d842ae6d74667fbcd8983e396d96181eb0208625d086590e756bd078539796ec
[INFO] running `Command { std: "docker" "start" "-a" "d842ae6d74667fbcd8983e396d96181eb0208625d086590e756bd078539796ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking psutil v1.5.0
[INFO] [stderr]     Checking dbus v0.6.4
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking notify-rust v3.6.0
[INFO] [stderr]     Checking tethermanager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:71:62
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn signal_hook() -> Result<(Receiver<()>, Receiver<()>), Box<Error>> {
[INFO] [stdout]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:93:133
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...u16, phone_product_id_hid: u16) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:171:29
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     loop {
[INFO] [stdout] 106 | |         let mut openvpn_killed = !openvpn_running();
[INFO] [stdout] 107 | |         select! {
[INFO] [stdout] 108 | |             recv(restart_event) -> _ => {
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |         }
[INFO] [stdout] 167 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 168 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `openvpn_killed` is never read
[INFO] [stdout]    --> src/main.rs:156:25
[INFO] [stdout]     |
[INFO] [stdout] 156 |                         openvpn_killed = true;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:71:62
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn signal_hook() -> Result<(Receiver<()>, Receiver<()>), Box<Error>> {
[INFO] [stdout]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:93:133
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...u16, phone_product_id_hid: u16) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:171:29
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     for mut device in context.devices().unwrap().iter() {
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut context = libusb::Context::new().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     loop {
[INFO] [stdout] 106 | |         let mut openvpn_killed = !openvpn_running();
[INFO] [stdout] 107 | |         select! {
[INFO] [stdout] 108 | |             recv(restart_event) -> _ => {
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |         }
[INFO] [stdout] 167 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 168 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `openvpn_killed` is never read
[INFO] [stdout]    --> src/main.rs:156:25
[INFO] [stdout]     |
[INFO] [stdout] 156 |                         openvpn_killed = true;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     for mut device in context.devices().unwrap().iter() {
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut context = libusb::Context::new().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "d842ae6d74667fbcd8983e396d96181eb0208625d086590e756bd078539796ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d842ae6d74667fbcd8983e396d96181eb0208625d086590e756bd078539796ec", kill_on_drop: false }`
[INFO] [stdout] d842ae6d74667fbcd8983e396d96181eb0208625d086590e756bd078539796ec