[INFO] cloning repository https://github.com/compsci-simon/webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/compsci-simon/webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcompsci-simon%2Fwebserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcompsci-simon%2Fwebserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 671ed579fb4ada1a862c491ef8701686a7e86e5f
[INFO] checking compsci-simon/webserver against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcompsci-simon%2Fwebserver" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/compsci-simon/webserver
[INFO] finished tweaking git repo https://github.com/compsci-simon/webserver
[INFO] tweaked toml for git repo https://github.com/compsci-simon/webserver written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/compsci-simon/webserver on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/compsci-simon/webserver 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fbe32756052dd055f65c8406003c622673e14957f9630be47e7a489c38f233f
[INFO] running `Command { std: "docker" "start" "-a" "5fbe32756052dd055f65c8406003c622673e14957f9630be47e7a489c38f233f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fbe32756052dd055f65c8406003c622673e14957f9630be47e7a489c38f233f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbe32756052dd055f65c8406003c622673e14957f9630be47e7a489c38f233f", kill_on_drop: false }`
[INFO] [stdout] 5fbe32756052dd055f65c8406003c622673e14957f9630be47e7a489c38f233f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8baa7ee8851c6da30777fbcf67d66a26d1d257795cfe50568232b7b61acd4c3
[INFO] running `Command { std: "docker" "start" "-a" "d8baa7ee8851c6da30777fbcf67d66a26d1d257795cfe50568232b7b61acd4c3", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Receiver`
[INFO] [stdout]  --> src/server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::Receiver;
[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: `std::sync::mpsc::Receiver`
[INFO] [stdout]  --> src/server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::Receiver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/server.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 16 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[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/server.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 34 |   workers: Vec<Worker>,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/server.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 16 |   thread: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[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/server.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 34 |   workers: Vec<Worker>,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d8baa7ee8851c6da30777fbcf67d66a26d1d257795cfe50568232b7b61acd4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8baa7ee8851c6da30777fbcf67d66a26d1d257795cfe50568232b7b61acd4c3", kill_on_drop: false }`
[INFO] [stdout] d8baa7ee8851c6da30777fbcf67d66a26d1d257795cfe50568232b7b61acd4c3
