[INFO] cloning repository https://github.com/Clivern/hawk_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Clivern/hawk_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClivern%2Fhawk_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClivern%2Fhawk_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e537b3f5c510f8e307aa3ed64a3c64c7c37e5dd
[INFO] checking Clivern/hawk_rs against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClivern%2Fhawk_rs" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Clivern/hawk_rs on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Clivern/hawk_rs
[INFO] finished tweaking git repo https://github.com/Clivern/hawk_rs
[INFO] tweaked toml for git repo https://github.com/Clivern/hawk_rs written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/Clivern/hawk_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ad74f422edf5df27a10ae200a3d8bdc74c91b157d9437a2e93f7fec9248aac
[INFO] running `Command { std: "docker" "start" "-a" "28ad74f422edf5df27a10ae200a3d8bdc74c91b157d9437a2e93f7fec9248aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ad74f422edf5df27a10ae200a3d8bdc74c91b157d9437a2e93f7fec9248aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ad74f422edf5df27a10ae200a3d8bdc74c91b157d9437a2e93f7fec9248aac", kill_on_drop: false }`
[INFO] [stdout] 28ad74f422edf5df27a10ae200a3d8bdc74c91b157d9437a2e93f7fec9248aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac2c20d08ce5e149e18c3d74f034ba967d49f4b8f27a0f66c4ddafc9632ee58
[INFO] running `Command { std: "docker" "start" "-a" "6ac2c20d08ce5e149e18c3d74f034ba967d49f4b8f27a0f66c4ddafc9632ee58", kill_on_drop: false }`
[INFO] [stderr]     Checking seal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `SingleThreadedTcp`
[INFO] [stdout]  --> src/networking/tcp.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct SingleThreadedTcp {
[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: `new`
[INFO] [stdout]   --> src/networking/tcp.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(address: &str) -> SingleThreadedTcp {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_address`
[INFO] [stdout]   --> src/networking/tcp.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_address(&mut self, address: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_address`
[INFO] [stdout]   --> src/networking/tcp.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn get_address(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]   --> src/networking/tcp.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn listen(self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double1`
[INFO] [stdout]  --> src/core/func.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn double1(x: &mut [i32; 10]) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double2`
[INFO] [stdout]   --> src/core/func.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn double2(x: [i32; 10]) -> [i32; 10] {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double3`
[INFO] [stdout]   --> src/core/func.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn double3(mut x: [i32; 10]) -> [i32; 10] {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multiply`
[INFO] [stdout]   --> src/core/func.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn multiply(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]   --> src/core/func.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn sum<T: std::ops::Add<Output = T>>(n1: T, n2: T) -> T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `max`
[INFO] [stdout]   --> src/core/func.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn max<T: std::cmp::PartialOrd>(n1: T, n2: T) -> T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]  --> src/core/obj.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Person {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/core/obj.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(first: &str, last: &str) -> Person {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_first_name`
[INFO] [stdout]   --> src/core/obj.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn set_first_name(&mut self, name: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_name`
[INFO] [stdout]   --> src/core/obj.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn set_last_name(&mut self, last: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_dir`
[INFO] [stdout]   --> src/io/dir.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn is_dir(path: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path_exists`
[INFO] [stdout]   --> src/io/file.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn path_exists(path: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_file`
[INFO] [stdout]   --> src/io/file.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn is_file(path: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_file`
[INFO] [stdout]   --> src/io/file.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn write_file(path: &str, content: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `delete_file`
[INFO] [stdout]   --> src/io/file.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn delete_file(path: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/io/file.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn read_file(path: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_config`
[INFO] [stdout]   --> src/util/environ.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn get_config(key: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SingleThreadedTcp`
[INFO] [stdout]  --> src/networking/tcp.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct SingleThreadedTcp {
[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: `new`
[INFO] [stdout]   --> src/networking/tcp.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(address: &str) -> SingleThreadedTcp {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_address`
[INFO] [stdout]   --> src/networking/tcp.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_address(&mut self, address: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_address`
[INFO] [stdout]   --> src/networking/tcp.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn get_address(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]   --> src/networking/tcp.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn listen(self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double1`
[INFO] [stdout]  --> src/core/func.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn double1(x: &mut [i32; 10]) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double2`
[INFO] [stdout]   --> src/core/func.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn double2(x: [i32; 10]) -> [i32; 10] {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double3`
[INFO] [stdout]   --> src/core/func.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn double3(mut x: [i32; 10]) -> [i32; 10] {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multiply`
[INFO] [stdout]   --> src/core/func.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn multiply(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "6ac2c20d08ce5e149e18c3d74f034ba967d49f4b8f27a0f66c4ddafc9632ee58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac2c20d08ce5e149e18c3d74f034ba967d49f4b8f27a0f66c4ddafc9632ee58", kill_on_drop: false }`
[INFO] [stdout] 6ac2c20d08ce5e149e18c3d74f034ba967d49f4b8f27a0f66c4ddafc9632ee58