[INFO] cloning repository https://github.com/sivese/rs-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sivese/rs-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2Frs-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2Frs-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5908492668dd3ef4da1ee08beb73c612e9e7db2
[INFO] checking sivese/rs-server against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2Frs-server" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sivese/rs-server on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sivese/rs-server
[INFO] finished tweaking git repo https://github.com/sivese/rs-server
[INFO] tweaked toml for git repo https://github.com/sivese/rs-server written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sivese/rs-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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84b0e493df13aa735fb63e1ddf8ee47456c86571431e00db7e83b404cb71c28f
[INFO] running `Command { std: "docker" "start" "-a" "84b0e493df13aa735fb63e1ddf8ee47456c86571431e00db7e83b404cb71c28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84b0e493df13aa735fb63e1ddf8ee47456c86571431e00db7e83b404cb71c28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b0e493df13aa735fb63e1ddf8ee47456c86571431e00db7e83b404cb71c28f", kill_on_drop: false }`
[INFO] [stdout] 84b0e493df13aa735fb63e1ddf8ee47456c86571431e00db7e83b404cb71c28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2203119afd8e59d2e88f3d68e9e8803248841aa1b0510a4a14201ea70334d1
[INFO] running `Command { std: "docker" "start" "-a" "cb2203119afd8e59d2e88f3d68e9e8803248841aa1b0510a4a14201ea70334d1", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::thread::pool::ThreadPool`
[INFO] [stdout]  --> src/svr/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::thread::pool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpListener`
[INFO] [stdout]   --> src/svr/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::net::TcpListener;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/svr/server.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (status, file) = if buffer.starts_with(get) {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/svr/server.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (status, file) = if buffer.starts_with(get) {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/svr/server.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let pool = ThreadPool::new(4);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]  --> src/svr/server.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Server{
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `threads` and `sender` are never read
[INFO] [stdout]  --> src/thread/pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 8 |     threads : Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     sender : mpsc::Sender<Job>
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `execute` is never used
[INFO] [stdout]   --> src/thread/pool.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ThreadPool {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn execute<F>(&self, f : F)  where F : FnOnce() + Send + 'static, {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/thread/pool.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 36 |     id : usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 37 |     thread : thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement drops value
[INFO] [stdout]   --> src/thread/pool.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 job;
[INFO] [stdout]    |                 ^^^^ help: use `drop` to clarify the intent: `drop(job);`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]  --> src/svr/server.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Server{
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/svr/server.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn handle_connection(mut stream : TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server` (bin "server" test); 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/03eb45452305f2d52348279d0caa5fc1f12c438d/bin/rustc --crate-name server --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=730de4a78f14f69e -C extra-filename=-8c4b1f48d5988bcb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `server` (bin "server"); 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/03eb45452305f2d52348279d0caa5fc1f12c438d/bin/rustc --crate-name server --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=43249d1ce7b2e1ee -C extra-filename=-d0a7932ee9e33c61 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cb2203119afd8e59d2e88f3d68e9e8803248841aa1b0510a4a14201ea70334d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2203119afd8e59d2e88f3d68e9e8803248841aa1b0510a4a14201ea70334d1", kill_on_drop: false }`
[INFO] [stdout] cb2203119afd8e59d2e88f3d68e9e8803248841aa1b0510a4a14201ea70334d1