[INFO] cloning repository https://github.com/matheusxreis/rust-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matheusxreis/rust-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusxreis%2Frust-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusxreis%2Frust-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62123769d75c7414ec7e4ce87afd4f4bcb2f81c6
[INFO] checking matheusxreis/rust-http-server against master#1b8f2e46e14b08208a53585570edd9206374aae8 for pr-155418-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusxreis%2Frust-http-server" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matheusxreis/rust-http-server
[INFO] finished tweaking git repo https://github.com/matheusxreis/rust-http-server
[INFO] tweaked toml for git repo https://github.com/matheusxreis/rust-http-server written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matheusxreis/rust-http-server on toolchain 1b8f2e46e14b08208a53585570edd9206374aae8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matheusxreis/rust-http-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" "+1b8f2e46e14b08208a53585570edd9206374aae8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a959c1e48863a54991cd27c9b6dcf4ef8f1f05aa1fc4fc9318dbfb92a852e679
[INFO] running `Command { std: "docker" "start" "-a" "a959c1e48863a54991cd27c9b6dcf4ef8f1f05aa1fc4fc9318dbfb92a852e679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a959c1e48863a54991cd27c9b6dcf4ef8f1f05aa1fc4fc9318dbfb92a852e679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a959c1e48863a54991cd27c9b6dcf4ef8f1f05aa1fc4fc9318dbfb92a852e679", kill_on_drop: false }`
[INFO] [stdout] a959c1e48863a54991cd27c9b6dcf4ef8f1f05aa1fc4fc9318dbfb92a852e679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e80ba508b143d548be469201c35f9e12557ea5a224d54e6e1b5c7c1f3920de
[INFO] running `Command { std: "docker" "start" "-a" "48e80ba508b143d548be469201c35f9e12557ea5a224d54e6e1b5c7c1f3920de", kill_on_drop: false }`
[INFO] [stderr]     Checking http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut thread: thread::JoinHandle<()>;
[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]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut thread: thread::JoinHandle<()>;
[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: unused import: `Thread`
[INFO] [stdout]  --> src/main.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::{self, Thread},
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> src/main.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::{self, Thread},
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "48e80ba508b143d548be469201c35f9e12557ea5a224d54e6e1b5c7c1f3920de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e80ba508b143d548be469201c35f9e12557ea5a224d54e6e1b5c7c1f3920de", kill_on_drop: false }`
[INFO] [stdout] 48e80ba508b143d548be469201c35f9e12557ea5a224d54e6e1b5c7c1f3920de