[INFO] cloning repository https://github.com/majidzahedi/simple-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/majidzahedi/simple-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajidzahedi%2Fsimple-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajidzahedi%2Fsimple-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bfc61d9bf7a7dd453a9cc753c221285017ac335
[INFO] testing majidzahedi/simple-http-server against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajidzahedi%2Fsimple-http-server" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/majidzahedi/simple-http-server
[INFO] finished tweaking git repo https://github.com/majidzahedi/simple-http-server
[INFO] tweaked toml for git repo https://github.com/majidzahedi/simple-http-server written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/majidzahedi/simple-http-server on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/majidzahedi/simple-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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5a90002a54751e363e0580c89990627ee5501194c7fa6a63f1b4573a42afc1f
[INFO] running `Command { std: "docker" "start" "-a" "c5a90002a54751e363e0580c89990627ee5501194c7fa6a63f1b4573a42afc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5a90002a54751e363e0580c89990627ee5501194c7fa6a63f1b4573a42afc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a90002a54751e363e0580c89990627ee5501194c7fa6a63f1b4573a42afc1f", kill_on_drop: false }`
[INFO] [stdout] c5a90002a54751e363e0580c89990627ee5501194c7fa6a63f1b4573a42afc1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd1f90e9847bf2b6b73065f09d8062f4940a84237be7bb4cc76e5ee474b3c9b3
[INFO] running `Command { std: "docker" "start" "-a" "cd1f90e9847bf2b6b73065f09d8062f4940a84237be7bb4cc76e5ee474b3c9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `body` is never read
[INFO] [stdout]   --> src/main.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut body = String::new();
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method`, `version`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct HttpRequest {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 12 |     method: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     path: String,
[INFO] [stdout] 14 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     headers: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     body: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct ThreadPool {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 54 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ThreadPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 81 |     _id: usize,
[INFO] [stdout] 82 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "cd1f90e9847bf2b6b73065f09d8062f4940a84237be7bb4cc76e5ee474b3c9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1f90e9847bf2b6b73065f09d8062f4940a84237be7bb4cc76e5ee474b3c9b3", kill_on_drop: false }`
[INFO] [stdout] cd1f90e9847bf2b6b73065f09d8062f4940a84237be7bb4cc76e5ee474b3c9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d25a0c8c4d2145f1a284405dab1b1ec5cd655712d930fa796dc6903baae1a7ce
[INFO] running `Command { std: "docker" "start" "-a" "d25a0c8c4d2145f1a284405dab1b1ec5cd655712d930fa796dc6903baae1a7ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `body` is never read
[INFO] [stdout]   --> src/main.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut body = String::new();
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method`, `version`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct HttpRequest {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 12 |     method: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     path: String,
[INFO] [stdout] 14 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     headers: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     body: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct ThreadPool {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 54 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ThreadPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 81 |     _id: usize,
[INFO] [stdout] 82 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "d25a0c8c4d2145f1a284405dab1b1ec5cd655712d930fa796dc6903baae1a7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25a0c8c4d2145f1a284405dab1b1ec5cd655712d930fa796dc6903baae1a7ce", kill_on_drop: false }`
[INFO] [stdout] d25a0c8c4d2145f1a284405dab1b1ec5cd655712d930fa796dc6903baae1a7ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c3f69e71d172e24811590055ad49d8361c69fdb9bd07ca25004808dda21fff5
[INFO] running `Command { std: "docker" "start" "-a" "4c3f69e71d172e24811590055ad49d8361c69fdb9bd07ca25004808dda21fff5", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `body` is never read
[INFO] [stderr]   --> src/main.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let mut body = String::new();
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `method`, `version`, `headers`, and `body` are never read
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct HttpRequest {
[INFO] [stderr]    |        ----------- fields in this struct
[INFO] [stderr] 12 |     method: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 13 |     path: String,
[INFO] [stderr] 14 |     version: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 15 |     headers: HashMap<String, String>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 16 |     body: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `workers` is never read
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | struct ThreadPool {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] 54 |     workers: Vec<Worker>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ThreadPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `thread` is never read
[INFO] [stderr]   --> src/main.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 80 | struct Worker {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 81 |     _id: usize,
[INFO] [stderr] 82 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-server` (bin "tcp-server" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcp_server-c545277a9079a068)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c3f69e71d172e24811590055ad49d8361c69fdb9bd07ca25004808dda21fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3f69e71d172e24811590055ad49d8361c69fdb9bd07ca25004808dda21fff5", kill_on_drop: false }`
[INFO] [stdout] 4c3f69e71d172e24811590055ad49d8361c69fdb9bd07ca25004808dda21fff5