[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] building AndySaul/rust_server against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndySaul%2Frust_server" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndySaul/rust_server on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-1-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed3ef253544b6400f39cfb21fd0090d8e5cba6ca7e6b5ce90454757f09f8069
[INFO] running `Command { std: "docker" "start" "-a" "fed3ef253544b6400f39cfb21fd0090d8e5cba6ca7e6b5ce90454757f09f8069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed3ef253544b6400f39cfb21fd0090d8e5cba6ca7e6b5ce90454757f09f8069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed3ef253544b6400f39cfb21fd0090d8e5cba6ca7e6b5ce90454757f09f8069", kill_on_drop: false }`
[INFO] [stdout] fed3ef253544b6400f39cfb21fd0090d8e5cba6ca7e6b5ce90454757f09f8069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa7ff6bd40b575299df775c7ac405d14a77e3de94fac3204f4cace331b84cbe
[INFO] running `Command { std: "docker" "start" "-a" "8fa7ff6bd40b575299df775c7ac405d14a77e3de94fac3204f4cace331b84cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "8fa7ff6bd40b575299df775c7ac405d14a77e3de94fac3204f4cace331b84cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa7ff6bd40b575299df775c7ac405d14a77e3de94fac3204f4cace331b84cbe", kill_on_drop: false }`
[INFO] [stdout] 8fa7ff6bd40b575299df775c7ac405d14a77e3de94fac3204f4cace331b84cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b79a030c36781421b03f4c3e54c22e16b926727e5b5786fe812afcffc89fa8b5
[INFO] running `Command { std: "docker" "start" "-a" "b79a030c36781421b03f4c3e54c22e16b926727e5b5786fe812afcffc89fa8b5", kill_on_drop: false }`
[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] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "b79a030c36781421b03f4c3e54c22e16b926727e5b5786fe812afcffc89fa8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79a030c36781421b03f4c3e54c22e16b926727e5b5786fe812afcffc89fa8b5", kill_on_drop: false }`
[INFO] [stdout] b79a030c36781421b03f4c3e54c22e16b926727e5b5786fe812afcffc89fa8b5