[INFO] cloning repository https://github.com/mathewgrabau/rust-http
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathewgrabau/rust-http" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathewgrabau%2Frust-http", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathewgrabau%2Frust-http'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed56a9a956d761272bf70c3e499b7dd4a21f9032
[INFO] checking mathewgrabau/rust-http against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathewgrabau%2Frust-http" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mathewgrabau/rust-http
[INFO] finished tweaking git repo https://github.com/mathewgrabau/rust-http
[INFO] tweaked toml for git repo https://github.com/mathewgrabau/rust-http written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mathewgrabau/rust-http on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mathewgrabau/rust-http 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6403c8020ffd35d266dcca5f35f6f750421e127d15fcca09cc660677b4deb012
[INFO] running `Command { std: "docker" "start" "-a" "6403c8020ffd35d266dcca5f35f6f750421e127d15fcca09cc660677b4deb012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6403c8020ffd35d266dcca5f35f6f750421e127d15fcca09cc660677b4deb012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6403c8020ffd35d266dcca5f35f6f750421e127d15fcca09cc660677b4deb012", kill_on_drop: false }`
[INFO] [stdout] 6403c8020ffd35d266dcca5f35f6f750421e127d15fcca09cc660677b4deb012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 944a127ec487d0eb9dd43a358327625278684c7b036d7855d4ec9da565ee3d72
[INFO] running `Command { std: "docker" "start" "-a" "944a127ec487d0eb9dd43a358327625278684c7b036d7855d4ec9da565ee3d72", kill_on_drop: false }`
[INFO] [stderr]     Checking my-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking http v0.1.0 (/opt/rustwide/workdir/http)
[INFO] [stderr]     Checking tcpserver v0.1.0 (/opt/rustwide/workdir/tcpserver)
[INFO] [stderr]     Checking httpserver v0.1.0 (/opt/rustwide/workdir/httpserver)
[INFO] [stderr]     Checking tcpclient v0.1.0 (/opt/rustwide/workdir/tcpclient)
[INFO] [stdout] warning: unused import: `fs::read`
[INFO] [stdout]  --> tcpserver/src/main.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::TcpListener, io::Read, io::Write, fs::read};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::read`
[INFO] [stdout]  --> tcpserver/src/main.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::TcpListener, io::Read, io::Write, fs::read};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "944a127ec487d0eb9dd43a358327625278684c7b036d7855d4ec9da565ee3d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944a127ec487d0eb9dd43a358327625278684c7b036d7855d4ec9da565ee3d72", kill_on_drop: false }`
[INFO] [stdout] 944a127ec487d0eb9dd43a358327625278684c7b036d7855d4ec9da565ee3d72