[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] 1545609fdb5921e46b5a532d6726128707438e0a
[INFO] checking Clivern/hawk_rs against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClivern%2Fhawk_rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Clivern/hawk_rs on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-9/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0f489462423f1834a740d55a51f9d4899437799837eadf935e64478dad2967a
[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" "c0f489462423f1834a740d55a51f9d4899437799837eadf935e64478dad2967a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f489462423f1834a740d55a51f9d4899437799837eadf935e64478dad2967a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f489462423f1834a740d55a51f9d4899437799837eadf935e64478dad2967a", kill_on_drop: false }`
[INFO] [stdout] c0f489462423f1834a740d55a51f9d4899437799837eadf935e64478dad2967a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a1ca5c8439006af2b06623a4b674141d7f29962cd1b0e100f759a6cda048683
[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" "2a1ca5c8439006af2b06623a4b674141d7f29962cd1b0e100f759a6cda048683", 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/tcp/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/tcp/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/tcp/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/tcp/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/tcp/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: `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: function is never used: `path_exists`
[INFO] [stdout]   --> src/util/io.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/util/io.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/util/io.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/util/io.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/util/io.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: `is_dir`
[INFO] [stdout]   --> src/util/io.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn is_dir(path: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SingleThreadedTcp`
[INFO] [stdout]  --> src/tcp/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/tcp/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/tcp/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/tcp/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/tcp/tcp.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn listen(self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "2a1ca5c8439006af2b06623a4b674141d7f29962cd1b0e100f759a6cda048683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1ca5c8439006af2b06623a4b674141d7f29962cd1b0e100f759a6cda048683", kill_on_drop: false }`
[INFO] [stdout] 2a1ca5c8439006af2b06623a4b674141d7f29962cd1b0e100f759a6cda048683