[INFO] fetching crate fp_server 2.0.5...
[INFO] checking fp_server-2.0.5 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate fp_server 2.0.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fp_server 2.0.5 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fp_server 2.0.5
[INFO] finished tweaking crates.io crate fp_server 2.0.5
[INFO] tweaked toml for crates.io crate fp_server 2.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0f54a3566b83265ac7d4ecdf68ecc2ec96a03a836552cd54ccd51d504ca7f3f
[INFO] running `Command { std: "docker" "start" "-a" "c0f54a3566b83265ac7d4ecdf68ecc2ec96a03a836552cd54ccd51d504ca7f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f54a3566b83265ac7d4ecdf68ecc2ec96a03a836552cd54ccd51d504ca7f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f54a3566b83265ac7d4ecdf68ecc2ec96a03a836552cd54ccd51d504ca7f3f", kill_on_drop: false }`
[INFO] [stdout] c0f54a3566b83265ac7d4ecdf68ecc2ec96a03a836552cd54ccd51d504ca7f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe593c749ddb9aa0ec296cee824621f39aa014da1a14e60f9c508dfce40e4fe
[INFO] running `Command { std: "docker" "start" "-a" "1fe593c749ddb9aa0ec296cee824621f39aa014da1a14e60f9c508dfce40e4fe", kill_on_drop: false }`
[INFO] [stderr]     Checking fp_server v2.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `clear`, `add_query`, and `add_header` are never used
[INFO] [stdout]   --> src/request_builder.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl HTTPRequestBuilder {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn clear(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn add_query(&mut self, key: &str, value: &str) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn add_header(&mut self, key: &str, value: &str) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear`, `add_query`, and `add_header` are never used
[INFO] [stdout]   --> src/request_builder.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl HTTPRequestBuilder {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn clear(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn add_query(&mut self, key: &str, value: &str) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn add_header(&mut self, key: &str, value: &str) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1fe593c749ddb9aa0ec296cee824621f39aa014da1a14e60f9c508dfce40e4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe593c749ddb9aa0ec296cee824621f39aa014da1a14e60f9c508dfce40e4fe", kill_on_drop: false }`
[INFO] [stdout] 1fe593c749ddb9aa0ec296cee824621f39aa014da1a14e60f9c508dfce40e4fe