[INFO] cloning repository https://github.com/rroe/SR_ReverseProxy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rroe/SR_ReverseProxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frroe%2FSR_ReverseProxy"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frroe%2FSR_ReverseProxy'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa94e1df93d835a947179ce1d2142a506997d5eb
[INFO] checking rroe/SR_ReverseProxy against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frroe%2FSR_ReverseProxy" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rroe/SR_ReverseProxy on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rroe/SR_ReverseProxy
[INFO] finished tweaking git repo https://github.com/rroe/SR_ReverseProxy
[INFO] tweaked toml for git repo https://github.com/rroe/SR_ReverseProxy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rroe/SR_ReverseProxy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe3a0911d83d0ad86b797d7409f27dfd5cb690206fba271ae6e4a2d486dd7742
[INFO] running `"docker" "start" "-a" "fe3a0911d83d0ad86b797d7409f27dfd5cb690206fba271ae6e4a2d486dd7742"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking reverseproxy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Shutdown`, `TcpStream`
[INFO] [stderr]  --> src/main.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stderr]   |                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/proxy/localproxy.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/proxy/localproxy.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 break;
[INFO] [stderr]     |                 ----- any code following this expression is unreachable
[INFO] [stderr] 114 |                 m
[INFO] [stderr]     |                 ^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         for y in 0..x {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/proxy/localproxy.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Ok(m) => {
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec_end_in_nl`
[INFO] [stderr]  --> src/proxy/buffer.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn vec_end_in_nl(input: &Vec<u8>) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_chunk`
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_chunk(title: &str, string: &String) {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Shutdown`, `TcpStream`
[INFO] [stderr]  --> src/main.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stderr]   |                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/proxy/localproxy.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/proxy/localproxy.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 break;
[INFO] [stderr]     |                 ----- any code following this expression is unreachable
[INFO] [stderr] 114 |                 m
[INFO] [stderr]     |                 ^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         for y in 0..x {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/proxy/localproxy.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Ok(m) => {
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec_end_in_nl`
[INFO] [stderr]  --> src/proxy/buffer.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn vec_end_in_nl(input: &Vec<u8>) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_chunk`
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_chunk(title: &str, string: &String) {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `"docker" "inspect" "fe3a0911d83d0ad86b797d7409f27dfd5cb690206fba271ae6e4a2d486dd7742"`
[INFO] running `"docker" "rm" "-f" "fe3a0911d83d0ad86b797d7409f27dfd5cb690206fba271ae6e4a2d486dd7742"`
[INFO] [stdout] fe3a0911d83d0ad86b797d7409f27dfd5cb690206fba271ae6e4a2d486dd7742