[INFO] cloning repository https://github.com/asakhar/control_srv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asakhar/control_srv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasakhar%2Fcontrol_srv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasakhar%2Fcontrol_srv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37627424c2c5f03afe8b06ca3a06b2a4dc352a8d
[INFO] checking asakhar/control_srv against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasakhar%2Fcontrol_srv" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asakhar/control_srv on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asakhar/control_srv
[INFO] finished tweaking git repo https://github.com/asakhar/control_srv
[INFO] tweaked toml for git repo https://github.com/asakhar/control_srv written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/asakhar/control_srv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37abf09acf4a2f60ae1143f71c805c6a31f539967a9f8770225bb2503c562340
[INFO] running `Command { std: "docker" "start" "-a" "37abf09acf4a2f60ae1143f71c805c6a31f539967a9f8770225bb2503c562340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37abf09acf4a2f60ae1143f71c805c6a31f539967a9f8770225bb2503c562340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37abf09acf4a2f60ae1143f71c805c6a31f539967a9f8770225bb2503c562340", kill_on_drop: false }`
[INFO] [stdout] 37abf09acf4a2f60ae1143f71c805c6a31f539967a9f8770225bb2503c562340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19a53acd3eb92012ab391e761a29db0326f5a59a2a93da13237d8a021339fb42
[INFO] running `Command { std: "docker" "start" "-a" "19a53acd3eb92012ab391e761a29db0326f5a59a2a93da13237d8a021339fb42", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking controls_srv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/command_info.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   convert::TryInto,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/command_info.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   convert::TryInto,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lerp` and `inv_lerp` are never used
[INFO] [stdout]  --> src/utils.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Lerpable {
[INFO] [stdout]   |           -------- methods in this trait
[INFO] [stdout] 2 |   fn lerp(self, left: Self, right: Self) -> Self;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 3 |   fn inv_lerp(self, left: Self, right: Self) -> Self;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_sized` is never used
[INFO] [stdout]   --> src/utils.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait WriteSizedExt {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 23 |   fn write_sized(&mut self, buf: &[u8]) -> std::io::Result<()>;
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lerp` and `inv_lerp` are never used
[INFO] [stdout]  --> src/utils.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Lerpable {
[INFO] [stdout]   |           -------- methods in this trait
[INFO] [stdout] 2 |   fn lerp(self, left: Self, right: Self) -> Self;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 3 |   fn inv_lerp(self, left: Self, right: Self) -> Self;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_sized` is never used
[INFO] [stdout]   --> src/utils.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait WriteSizedExt {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 23 |   fn write_sized(&mut self, buf: &[u8]) -> std::io::Result<()>;
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for client in listener.accept() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     while let Ok(client) = listener.accept() {
[INFO] [stdout]    |     ~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 19 |     if let Ok(client) = listener.accept() {
[INFO] [stdout]    |     ~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for client in listener.accept() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     while let Ok(client) = listener.accept() {
[INFO] [stdout]    |     ~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 19 |     if let Ok(client) = listener.accept() {
[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` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "19a53acd3eb92012ab391e761a29db0326f5a59a2a93da13237d8a021339fb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a53acd3eb92012ab391e761a29db0326f5a59a2a93da13237d8a021339fb42", kill_on_drop: false }`
[INFO] [stdout] 19a53acd3eb92012ab391e761a29db0326f5a59a2a93da13237d8a021339fb42