[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 master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyBitz%2Frust-http-server-test" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndyBitz/rust-http-server-test on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d2fcd3372a125a06d6ff79f81af0aea91a255191e778860e63e2665a3a2432
[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" "d5d2fcd3372a125a06d6ff79f81af0aea91a255191e778860e63e2665a3a2432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d2fcd3372a125a06d6ff79f81af0aea91a255191e778860e63e2665a3a2432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d2fcd3372a125a06d6ff79f81af0aea91a255191e778860e63e2665a3a2432", kill_on_drop: false }`
[INFO] [stdout] d5d2fcd3372a125a06d6ff79f81af0aea91a255191e778860e63e2665a3a2432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214b04433ea9b9d32ddff1f5a82f455001a21554059276000e13ac7522faf2d4
[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" "214b04433ea9b9d32ddff1f5a82f455001a21554059276000e13ac7522faf2d4", 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: 4 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "214b04433ea9b9d32ddff1f5a82f455001a21554059276000e13ac7522faf2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214b04433ea9b9d32ddff1f5a82f455001a21554059276000e13ac7522faf2d4", kill_on_drop: false }`
[INFO] [stdout] 214b04433ea9b9d32ddff1f5a82f455001a21554059276000e13ac7522faf2d4