[INFO] cloning repository https://github.com/paulsevere/server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paulsevere/server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulsevere%2Fserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulsevere%2Fserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99a2823bde0e258e7b2342bad94976eb7747016b
[INFO] testing paulsevere/server against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulsevere%2Fserver" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paulsevere/server on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paulsevere/server
[INFO] finished tweaking git repo https://github.com/paulsevere/server
[INFO] tweaked toml for git repo https://github.com/paulsevere/server written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/paulsevere/server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 392f5ca5e5ae65d294a8b6d4f307e890d72a26c3f717e8b9c0e888bc6421d8ec
[INFO] running `Command { std: "docker" "start" "-a" "392f5ca5e5ae65d294a8b6d4f307e890d72a26c3f717e8b9c0e888bc6421d8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "392f5ca5e5ae65d294a8b6d4f307e890d72a26c3f717e8b9c0e888bc6421d8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392f5ca5e5ae65d294a8b6d4f307e890d72a26c3f717e8b9c0e888bc6421d8ec", kill_on_drop: false }`
[INFO] [stdout] 392f5ca5e5ae65d294a8b6d4f307e890d72a26c3f717e8b9c0e888bc6421d8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72d23d54c6d3c1f0c51cd7ed1c16d5ffd6fcd3676824efb01c6ee07e3364969
[INFO] running `Command { std: "docker" "start" "-a" "b72d23d54c6d3c1f0c51cd7ed1c16d5ffd6fcd3676824efb01c6ee07e3364969", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling mio v0.6.7
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     let (mut socket, addr) = server.accept().unwrap();
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `writeResult` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let writeResult = socket.write(httpResponse().as_bytes());
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: convert the identifier to snake case: `write_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   socket.shutdown(Both);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `httpResponse` should have a snake case name
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn httpResponse() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `http_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b72d23d54c6d3c1f0c51cd7ed1c16d5ffd6fcd3676824efb01c6ee07e3364969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72d23d54c6d3c1f0c51cd7ed1c16d5ffd6fcd3676824efb01c6ee07e3364969", kill_on_drop: false }`
[INFO] [stdout] b72d23d54c6d3c1f0c51cd7ed1c16d5ffd6fcd3676824efb01c6ee07e3364969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b38a44b09f73535ddce69d71c5e256483b61cb1b18be293247ad6c48d8f9b7a2
[INFO] running `Command { std: "docker" "start" "-a" "b38a44b09f73535ddce69d71c5e256483b61cb1b18be293247ad6c48d8f9b7a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     let (mut socket, addr) = server.accept().unwrap();
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `writeResult` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let writeResult = socket.write(httpResponse().as_bytes());
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: convert the identifier to snake case: `write_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   socket.shutdown(Both);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `httpResponse` should have a snake case name
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn httpResponse() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `http_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "b38a44b09f73535ddce69d71c5e256483b61cb1b18be293247ad6c48d8f9b7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38a44b09f73535ddce69d71c5e256483b61cb1b18be293247ad6c48d8f9b7a2", kill_on_drop: false }`
[INFO] [stdout] b38a44b09f73535ddce69d71c5e256483b61cb1b18be293247ad6c48d8f9b7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79198f1c627b4855e5d40487cd3d5861bf5e9f8f940d0143cab18983770db98c
[INFO] running `Command { std: "docker" "start" "-a" "79198f1c627b4855e5d40487cd3d5861bf5e9f8f940d0143cab18983770db98c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:5:29
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stdout] 
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     let (mut socket, addr) = server.accept().unwrap();
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `writeResult` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     let writeResult = socket.write(httpResponse().as_bytes());
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: convert the identifier to snake case: `write_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 | ...                   socket.shutdown(Both);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `httpResponse` should have a snake case name
[INFO] [stderr]   --> src/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn httpResponse() -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `http_response`
[INFO] [stderr] 
[INFO] [stderr] warning: `server` (bin "server" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-e36ca9673f9a0ae8)
[INFO] running `Command { std: "docker" "inspect" "79198f1c627b4855e5d40487cd3d5861bf5e9f8f940d0143cab18983770db98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79198f1c627b4855e5d40487cd3d5861bf5e9f8f940d0143cab18983770db98c", kill_on_drop: false }`
[INFO] [stdout] 79198f1c627b4855e5d40487cd3d5861bf5e9f8f940d0143cab18983770db98c