[INFO] cloning repository https://github.com/sdttttt/rust-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/sdttttt/rust-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdttttt%2Frust-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdttttt%2Frust-web-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6da6b7d22e53f813f2257e7abf2ec09dd5812e79
[INFO] checking sdttttt/rust-web-server against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdttttt%2Frust-web-server" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sdttttt/rust-web-server
[INFO] finished tweaking git repo https://github.com/sdttttt/rust-web-server
[INFO] tweaked toml for git repo https://github.com/sdttttt/rust-web-server written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdttttt/rust-web-server on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdttttt/rust-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b69a884edf9abd2362d466d8b4085b51952c785e9e147561ec0f47ca5b13953
[INFO] running `Command { std: "docker" "start" "-a" "0b69a884edf9abd2362d466d8b4085b51952c785e9e147561ec0f47ca5b13953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b69a884edf9abd2362d466d8b4085b51952c785e9e147561ec0f47ca5b13953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b69a884edf9abd2362d466d8b4085b51952c785e9e147561ec0f47ca5b13953", kill_on_drop: false }`
[INFO] [stdout] 0b69a884edf9abd2362d466d8b4085b51952c785e9e147561ec0f47ca5b13953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3615bbeba8fc21b0411cf27e25b4602eedc6cfcd3218a6b79bb2e8a9e23399
[INFO] running `Command { std: "docker" "start" "-a" "5d3615bbeba8fc21b0411cf27e25b4602eedc6cfcd3218a6b79bb2e8a9e23399", kill_on_drop: false }`
[INFO] [stderr]     Checking webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  |     pub struct ThreadPool {
[INFO] [stdout]    |                ---------- field in this struct
[INFO] [stdout] 10 |         workers: Vec<Worker>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 20 |         id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 21 |         // JoinHandle is a Thread
[INFO] [stdout] 22 |         thread: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MultiThreading` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod MultiThreading {
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `multi_threading`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  |     pub struct ThreadPool {
[INFO] [stdout]    |                ---------- field in this struct
[INFO] [stdout] 10 |         workers: Vec<Worker>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 20 |         id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 21 |         // JoinHandle is a Thread
[INFO] [stdout] 22 |         thread: thread::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MultiThreading` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod MultiThreading {
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `multi_threading`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "5d3615bbeba8fc21b0411cf27e25b4602eedc6cfcd3218a6b79bb2e8a9e23399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3615bbeba8fc21b0411cf27e25b4602eedc6cfcd3218a6b79bb2e8a9e23399", kill_on_drop: false }`
[INFO] [stdout] 5d3615bbeba8fc21b0411cf27e25b4602eedc6cfcd3218a6b79bb2e8a9e23399