[INFO] cloning repository https://github.com/AndyBitz/rust-http-server-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndyBitz/rust-http-server-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyBitz%2Frust-http-server-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyBitz%2Frust-http-server-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7be028f92ad8af424f33922c4b2add61ed61fee8
[INFO] checking AndyBitz/rust-http-server-test against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyBitz%2Frust-http-server-test" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndyBitz/rust-http-server-test on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndyBitz/rust-http-server-test
[INFO] finished tweaking git repo https://github.com/AndyBitz/rust-http-server-test
[INFO] tweaked toml for git repo https://github.com/AndyBitz/rust-http-server-test written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/AndyBitz/rust-http-server-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47ac49037185c15c56e79bf363d2432944f037d98f4afa82d26b69f025231fe7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47ac49037185c15c56e79bf363d2432944f037d98f4afa82d26b69f025231fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ac49037185c15c56e79bf363d2432944f037d98f4afa82d26b69f025231fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ac49037185c15c56e79bf363d2432944f037d98f4afa82d26b69f025231fe7", kill_on_drop: false }`
[INFO] [stdout] 47ac49037185c15c56e79bf363d2432944f037d98f4afa82d26b69f025231fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7ebda177a3ca0b954310b734d9a34f67eb027dc4f2e393987411f702682c633
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7ebda177a3ca0b954310b734d9a34f67eb027dc4f2e393987411f702682c633", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/request/mod.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/request/mod.rs:39:43
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/request/mod.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/request/mod.rs:39:43
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_tls(buffer: &mut Vec<u8>, stream: TcpStream) -> Self {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_tls`
[INFO] [stdout]  --> src/request/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     is_tls: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/request/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     body: Option<BufReader<TcpStream>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_tls`
[INFO] [stdout]  --> src/request/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     is_tls: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]   --> src/request/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     body: Option<BufReader<TcpStream>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f7ebda177a3ca0b954310b734d9a34f67eb027dc4f2e393987411f702682c633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ebda177a3ca0b954310b734d9a34f67eb027dc4f2e393987411f702682c633", kill_on_drop: false }`
[INFO] [stdout] f7ebda177a3ca0b954310b734d9a34f67eb027dc4f2e393987411f702682c633