[INFO] cloning repository https://github.com/mahmudsudo/web_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mahmudsudo/web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudsudo%2Fweb_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudsudo%2Fweb_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eaeaa19e85d4757b98694a2bb817d8f8394b440
[INFO] checking mahmudsudo/web_server against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmudsudo%2Fweb_server" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahmudsudo/web_server on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mahmudsudo/web_server
[INFO] finished tweaking git repo https://github.com/mahmudsudo/web_server
[INFO] tweaked toml for git repo https://github.com/mahmudsudo/web_server written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mahmudsudo/web_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" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding itoa v1.0.14
[INFO] [stderr]       Adding memchr v2.7.4
[INFO] [stderr]       Adding proc-macro2 v1.0.93
[INFO] [stderr]       Adding quote v1.0.38
[INFO] [stderr]       Adding ryu v1.0.18
[INFO] [stderr]       Adding serde v1.0.217
[INFO] [stderr]       Adding serde_derive v1.0.217
[INFO] [stderr]       Adding serde_json v1.0.135
[INFO] [stderr]       Adding syn v2.0.96
[INFO] [stderr]       Adding unicode-ident v1.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a26b21f69a9dc40466c1dfd5987e097656944a11eb5bac4d63b37622e0fbdb79
[INFO] running `Command { std: "docker" "start" "-a" "a26b21f69a9dc40466c1dfd5987e097656944a11eb5bac4d63b37622e0fbdb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a26b21f69a9dc40466c1dfd5987e097656944a11eb5bac4d63b37622e0fbdb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26b21f69a9dc40466c1dfd5987e097656944a11eb5bac4d63b37622e0fbdb79", kill_on_drop: false }`
[INFO] [stdout] a26b21f69a9dc40466c1dfd5987e097656944a11eb5bac4d63b37622e0fbdb79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87bdcec05660b6234de5cf9caffdb6d809993f77713fdab58c8dd276c3ece7f7
[INFO] running `Command { std: "docker" "start" "-a" "87bdcec05660b6234de5cf9caffdb6d809993f77713fdab58c8dd276c3ece7f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking http v0.1.0 (/opt/rustwide/workdir/http)
[INFO] [stderr]     Checking tcpclient v0.1.0 (/opt/rustwide/workdir/tcpclient)
[INFO] [stderr]     Checking tcpserver v0.1.0 (/opt/rustwide/workdir/tcpserver)
[INFO] [stderr]     Checking web_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TcpStream`, `fs::File`, and `io::prelude::*`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::prelude::*,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 2 | net::{TcpListener,TcpStream},fs::File};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `me`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let me = listener.accept().unwrap();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_me`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpStream`, `fs::File`, and `io::prelude::*`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::prelude::*,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 2 | net::{TcpListener,TcpStream},fs::File};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `me`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let me = listener.accept().unwrap();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_me`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking httpserver v0.1.0 (/opt/rustwide/workdir/httpserver)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "87bdcec05660b6234de5cf9caffdb6d809993f77713fdab58c8dd276c3ece7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87bdcec05660b6234de5cf9caffdb6d809993f77713fdab58c8dd276c3ece7f7", kill_on_drop: false }`
[INFO] [stdout] 87bdcec05660b6234de5cf9caffdb6d809993f77713fdab58c8dd276c3ece7f7