[INFO] cloning repository https://github.com/umangPokhriyall/Rust-Tcp-Server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umangPokhriyall/Rust-Tcp-Server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FumangPokhriyall%2FRust-Tcp-Server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FumangPokhriyall%2FRust-Tcp-Server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 522af1a84eb6ae3ea4da7e80ecf55382bb023976
[INFO] checking umangPokhriyall/Rust-Tcp-Server against try#1bdcb63291ccffc030f8223f6f978568dd240e3e for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FumangPokhriyall%2FRust-Tcp-Server" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/umangPokhriyall/Rust-Tcp-Server
[INFO] finished tweaking git repo https://github.com/umangPokhriyall/Rust-Tcp-Server
[INFO] tweaked toml for git repo https://github.com/umangPokhriyall/Rust-Tcp-Server written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/umangPokhriyall/Rust-Tcp-Server on toolchain 1bdcb63291ccffc030f8223f6f978568dd240e3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/umangPokhriyall/Rust-Tcp-Server 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" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-0-tc2/source/server/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a782e64acaa620efdac51a05a46ce1e1e7b91e522dec10ff73fb2c1ea68e813d
[INFO] running `Command { std: "docker" "start" "-a" "a782e64acaa620efdac51a05a46ce1e1e7b91e522dec10ff73fb2c1ea68e813d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a782e64acaa620efdac51a05a46ce1e1e7b91e522dec10ff73fb2c1ea68e813d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a782e64acaa620efdac51a05a46ce1e1e7b91e522dec10ff73fb2c1ea68e813d", kill_on_drop: false }`
[INFO] [stdout] a782e64acaa620efdac51a05a46ce1e1e7b91e522dec10ff73fb2c1ea68e813d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87d339c5d5eeb98b77b447bea106fb3fe1afc9769ef7023ca84a22e513c6647c
[INFO] running `Command { std: "docker" "start" "-a" "87d339c5d5eeb98b77b447bea106fb3fe1afc9769ef7023ca84a22e513c6647c", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/server/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]     Checking colored v3.1.1
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking forking v0.1.0 (/opt/rustwide/workdir/forking)
[INFO] [stderr]     Checking pre_fork v0.1.0 (/opt/rustwide/workdir/pre_fork)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> forking/src/router.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn route_client(&self, mut client: TcpStream) -> Result<()> {
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> forking/src/router.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn route_client(&self, mut client: TcpStream) -> Result<()> {
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pre_fork/src/router.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn route_client(&self, mut client: TcpStream) -> Result<()> {
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pre_fork/src/router.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn route_client(&self, mut client: TcpStream) -> Result<()> {
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking iterative v0.1.0 (/opt/rustwide/workdir/iterative)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> iterative/src/router.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn route_client(&self, mut client: TcpStream) -> Result<()> {
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> iterative/src/router.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn route_client(&self, mut client: TcpStream) -> Result<()> {
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "87d339c5d5eeb98b77b447bea106fb3fe1afc9769ef7023ca84a22e513c6647c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d339c5d5eeb98b77b447bea106fb3fe1afc9769ef7023ca84a22e513c6647c", kill_on_drop: false }`
[INFO] [stdout] 87d339c5d5eeb98b77b447bea106fb3fe1afc9769ef7023ca84a22e513c6647c
