[INFO] cloning repository https://github.com/temoncher/rust-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/temoncher/rust-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemoncher%2Frust-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemoncher%2Frust-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2020138d43c23dfb068a318eb3633ac4ac06d68d
[INFO] checking temoncher/rust-http-server against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemoncher%2Frust-http-server" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/temoncher/rust-http-server on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/temoncher/rust-http-server
[INFO] finished tweaking git repo https://github.com/temoncher/rust-http-server
[INFO] tweaked toml for git repo https://github.com/temoncher/rust-http-server written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/temoncher/rust-http-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0cb047255f93c5c9ad1abb4ddec93303552ad0af5b30a21eb2b8701df2efa7c
[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" "b0cb047255f93c5c9ad1abb4ddec93303552ad0af5b30a21eb2b8701df2efa7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0cb047255f93c5c9ad1abb4ddec93303552ad0af5b30a21eb2b8701df2efa7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cb047255f93c5c9ad1abb4ddec93303552ad0af5b30a21eb2b8701df2efa7c", kill_on_drop: false }`
[INFO] [stdout] b0cb047255f93c5c9ad1abb4ddec93303552ad0af5b30a21eb2b8701df2efa7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f425463ba8ad92d72950153083a70c3aeede6cbc485f7b109a43c2d33450624c
[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" "f425463ba8ad92d72950153083a70c3aeede6cbc485f7b109a43c2d33450624c", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]  --> src/http/method.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   DELETE,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `POST`
[INFO] [stdout]  --> src/http/method.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   POST,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]  --> src/http/method.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   PUT,
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEAD`
[INFO] [stdout]  --> src/http/method.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   HEAD,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONNECT`
[INFO] [stdout]   --> src/http/method.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   CONNECT,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPTIONS`
[INFO] [stdout]   --> src/http/method.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   OPTIONS,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]   --> src/http/method.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   TRACE,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PATH`
[INFO] [stdout]   --> src/http/method.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   PATH,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `query_string`
[INFO] [stdout]   --> src/http/request.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   query_string: Option<RequestQuery<'buf>>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query_string`
[INFO] [stdout]   --> src/http/request.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn query_string(&self) -> Option<&RequestQuery> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]  --> src/http/request_query.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   pub fn get(&self, key: &str) -> Option<&QueryValue> {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]  --> src/http/method.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   DELETE,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `POST`
[INFO] [stdout]  --> src/http/method.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   POST,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]  --> src/http/method.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   PUT,
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEAD`
[INFO] [stdout]  --> src/http/method.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   HEAD,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONNECT`
[INFO] [stdout]   --> src/http/method.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   CONNECT,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPTIONS`
[INFO] [stdout]   --> src/http/method.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   OPTIONS,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]   --> src/http/method.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   TRACE,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PATH`
[INFO] [stdout]   --> src/http/method.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   PATH,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `query_string`
[INFO] [stdout]   --> src/http/request.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   query_string: Option<RequestQuery<'buf>>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query_string`
[INFO] [stdout]   --> src/http/request.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn query_string(&self) -> Option<&RequestQuery> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]  --> src/http/request_query.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   pub fn get(&self, key: &str) -> Option<&QueryValue> {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "f425463ba8ad92d72950153083a70c3aeede6cbc485f7b109a43c2d33450624c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f425463ba8ad92d72950153083a70c3aeede6cbc485f7b109a43c2d33450624c", kill_on_drop: false }`
[INFO] [stdout] f425463ba8ad92d72950153083a70c3aeede6cbc485f7b109a43c2d33450624c