[INFO] cloning repository https://github.com/AndySaul/rust_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndySaul/rust_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndySaul%2Frust_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndySaul%2Frust_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87d0fcb4d388d7dd7cd4b43c91fb2647bd431ef4
[INFO] checking AndySaul/rust_server against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndySaul%2Frust_server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndySaul/rust_server on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndySaul/rust_server
[INFO] finished tweaking git repo https://github.com/AndySaul/rust_server
[INFO] tweaked toml for git repo https://github.com/AndySaul/rust_server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AndySaul/rust_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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48b8a3dd744bf759d2a6b739bcc5d9344835d71a29bacafaa6407985f25c56e4
[INFO] running `Command { std: "docker" "start" "-a" "48b8a3dd744bf759d2a6b739bcc5d9344835d71a29bacafaa6407985f25c56e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b8a3dd744bf759d2a6b739bcc5d9344835d71a29bacafaa6407985f25c56e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b8a3dd744bf759d2a6b739bcc5d9344835d71a29bacafaa6407985f25c56e4", kill_on_drop: false }`
[INFO] [stdout] 48b8a3dd744bf759d2a6b739bcc5d9344835d71a29bacafaa6407985f25c56e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b83c0711ee26e0f55f56a994454ac2a7d57a7085c557d5b3b5ba198ab81d45b
[INFO] running `Command { std: "docker" "start" "-a" "1b83c0711ee26e0f55f56a994454ac2a7d57a7085c557d5b3b5ba198ab81d45b", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buffer> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     data: HashMap<&'buffer str, Value<'buffer>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request<'buffer> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     path: &'buffer str,
[INFO] [stdout] 13 |     query_string: Option<QueryString<'buffer>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buffer> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     data: HashMap<&'buffer str, Value<'buffer>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request<'buffer> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     path: &'buffer str,
[INFO] [stdout] 13 |     query_string: Option<QueryString<'buffer>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "1b83c0711ee26e0f55f56a994454ac2a7d57a7085c557d5b3b5ba198ab81d45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b83c0711ee26e0f55f56a994454ac2a7d57a7085c557d5b3b5ba198ab81d45b", kill_on_drop: false }`
[INFO] [stdout] 1b83c0711ee26e0f55f56a994454ac2a7d57a7085c557d5b3b5ba198ab81d45b
[INFO] checking AndySaul/rust_server against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndySaul%2Frust_server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndySaul/rust_server on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndySaul/rust_server
[INFO] finished tweaking git repo https://github.com/AndySaul/rust_server
[INFO] tweaked toml for git repo https://github.com/AndySaul/rust_server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AndySaul/rust_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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcc3a707de4b49647e055ff54297fc2581455b992ea21dba191a2a11ad2cd79f
[INFO] running `Command { std: "docker" "start" "-a" "bcc3a707de4b49647e055ff54297fc2581455b992ea21dba191a2a11ad2cd79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc3a707de4b49647e055ff54297fc2581455b992ea21dba191a2a11ad2cd79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc3a707de4b49647e055ff54297fc2581455b992ea21dba191a2a11ad2cd79f", kill_on_drop: false }`
[INFO] [stdout] bcc3a707de4b49647e055ff54297fc2581455b992ea21dba191a2a11ad2cd79f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cdab4c2ca60ceb5ce76f64b3291bb0827567d42c1d5b3b8136af2dc4894dfa8
[INFO] running `Command { std: "docker" "start" "-a" "4cdab4c2ca60ceb5ce76f64b3291bb0827567d42c1d5b3b8136af2dc4894dfa8", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buffer> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     data: HashMap<&'buffer str, Value<'buffer>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request<'buffer> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     path: &'buffer str,
[INFO] [stdout] 13 |     query_string: Option<QueryString<'buffer>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buffer> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     data: HashMap<&'buffer str, Value<'buffer>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request<'buffer> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     path: &'buffer str,
[INFO] [stdout] 13 |     query_string: Option<QueryString<'buffer>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "4cdab4c2ca60ceb5ce76f64b3291bb0827567d42c1d5b3b8136af2dc4894dfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdab4c2ca60ceb5ce76f64b3291bb0827567d42c1d5b3b8136af2dc4894dfa8", kill_on_drop: false }`
[INFO] [stdout] 4cdab4c2ca60ceb5ce76f64b3291bb0827567d42c1d5b3b8136af2dc4894dfa8