[INFO] cloning repository https://github.com/codebyred/rust_basic_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/codebyred/rust_basic_web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebyred%2Frust_basic_web_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebyred%2Frust_basic_web_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bf02086eea159274a20228892002296d5dcc333
[INFO] testing codebyred/rust_basic_web_server against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebyred%2Frust_basic_web_server" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codebyred/rust_basic_web_server
[INFO] finished tweaking git repo https://github.com/codebyred/rust_basic_web_server
[INFO] tweaked toml for git repo https://github.com/codebyred/rust_basic_web_server written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codebyred/rust_basic_web_server on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codebyred/rust_basic_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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9676a065216b4d04d0fe80057df61d1080b46436da160b63779705d360a34ef
[INFO] running `Command { std: "docker" "start" "-a" "e9676a065216b4d04d0fe80057df61d1080b46436da160b63779705d360a34ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9676a065216b4d04d0fe80057df61d1080b46436da160b63779705d360a34ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9676a065216b4d04d0fe80057df61d1080b46436da160b63779705d360a34ef", kill_on_drop: false }`
[INFO] [stdout] e9676a065216b4d04d0fe80057df61d1080b46436da160b63779705d360a34ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82366f51984366f1bf812a12a76e0996f8e3f4fffe866cee6d7043c8a757dedf
[INFO] running `Command { std: "docker" "start" "-a" "82366f51984366f1bf812a12a76e0996f8e3f4fffe866cee6d7043c8a757dedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_basic_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `handler` are never read
[INFO] [stdout]   --> src/threadpool.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 20 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     handler: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `threads` is never read
[INFO] [stdout]   --> src/threadpool.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct ThreadPool{
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 45 |     threads: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "82366f51984366f1bf812a12a76e0996f8e3f4fffe866cee6d7043c8a757dedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82366f51984366f1bf812a12a76e0996f8e3f4fffe866cee6d7043c8a757dedf", kill_on_drop: false }`
[INFO] [stdout] 82366f51984366f1bf812a12a76e0996f8e3f4fffe866cee6d7043c8a757dedf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2385b4435b8885f0d205d707279300bcc102e1d6f31704bc268734967d4e8975
[INFO] running `Command { std: "docker" "start" "-a" "2385b4435b8885f0d205d707279300bcc102e1d6f31704bc268734967d4e8975", kill_on_drop: false }`
[INFO] [stdout] warning: fields `id` and `handler` are never read
[INFO] [stdout]   --> src/threadpool.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 20 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     handler: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `threads` is never read
[INFO] [stdout]   --> src/threadpool.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct ThreadPool{
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 45 |     threads: 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] [stderr]    Compiling rust_basic_web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `handler` are never read
[INFO] [stdout]   --> src/threadpool.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 20 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     handler: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `threads` is never read
[INFO] [stdout]   --> src/threadpool.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct ThreadPool{
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 45 |     threads: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "2385b4435b8885f0d205d707279300bcc102e1d6f31704bc268734967d4e8975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2385b4435b8885f0d205d707279300bcc102e1d6f31704bc268734967d4e8975", kill_on_drop: false }`
[INFO] [stdout] 2385b4435b8885f0d205d707279300bcc102e1d6f31704bc268734967d4e8975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1be53b2ad5068f24d2d5904e6b5d5bdb5c2ae1517ef3aa54e4e218b6182cee7a
[INFO] running `Command { std: "docker" "start" "-a" "1be53b2ad5068f24d2d5904e6b5d5bdb5c2ae1517ef3aa54e4e218b6182cee7a", kill_on_drop: false }`
[INFO] [stderr] warning: fields `id` and `handler` are never read
[INFO] [stderr]   --> src/threadpool.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Worker {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 20 |     id: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 21 |     handler: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `threads` is never read
[INFO] [stderr]   --> src/threadpool.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct ThreadPool{
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 45 |     threads: 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: `rust_basic_web_server` (lib) generated 2 warnings
[INFO] [stderr] warning: `rust_basic_web_server` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_basic_web_server-6dc85c2eebc5fdf5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_basic_web_server-1ffc8a6fc5835c91)
[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] [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] [stderr]    Doc-tests rust_basic_web_server
[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" "1be53b2ad5068f24d2d5904e6b5d5bdb5c2ae1517ef3aa54e4e218b6182cee7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be53b2ad5068f24d2d5904e6b5d5bdb5c2ae1517ef3aa54e4e218b6182cee7a", kill_on_drop: false }`
[INFO] [stdout] 1be53b2ad5068f24d2d5904e6b5d5bdb5c2ae1517ef3aa54e4e218b6182cee7a