[INFO] fetching crate cxx-demo 0.0.6...
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] crate cxx-demo 0.0.6 is already in cache
[INFO] checking cxx-demo-0.0.6 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate cxx-demo 0.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cxx-demo 0.0.6 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxx-demo 0.0.6
[INFO] finished tweaking crates.io crate cxx-demo 0.0.6
[INFO] tweaked toml for crates.io crate cxx-demo 0.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.73
[INFO] [stderr]   Downloaded link-cplusplus v1.0.6
[INFO] [stderr]   Downloaded scratch v1.0.2
[INFO] [stderr]   Downloaded cxx-build v1.0.73
[INFO] [stderr]   Downloaded cxx v1.0.73
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95dfccd999dba1d36995601e0921c59c63d627b765996371a55e0c0afffba941
[INFO] running `Command { std: "docker" "start" "-a" "95dfccd999dba1d36995601e0921c59c63d627b765996371a55e0c0afffba941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95dfccd999dba1d36995601e0921c59c63d627b765996371a55e0c0afffba941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dfccd999dba1d36995601e0921c59c63d627b765996371a55e0c0afffba941", kill_on_drop: false }`
[INFO] [stdout] 95dfccd999dba1d36995601e0921c59c63d627b765996371a55e0c0afffba941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c89d76b3a0f9b7c3a16260ae555c6c8c3dde29f39101411878f7d0447682b818
[INFO] running `Command { std: "docker" "start" "-a" "c89d76b3a0f9b7c3a16260ae555c6c8c3dde29f39101411878f7d0447682b818", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling scratch v1.0.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.73
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling link-cplusplus v1.0.6
[INFO] [stderr]    Compiling cxx v1.0.73
[INFO] [stderr]    Compiling cxx-build v1.0.73
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.73
[INFO] [stderr]    Compiling cxx-demo v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lib.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_blobstore_client` is never used
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn new_blobstore_client() -> UniquePtr<BlobstoreClient>;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `put` is never used
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn put(&self, parts: &mut MultiBuf) -> u64;
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `tag` is never used
[INFO] [stdout]   --> src/lib.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn tag(&self, blobid: u64, tag: &str);
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `metadata` is never used
[INFO] [stdout]   --> src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn metadata(&self, blobid: u64) -> BlobMetadata;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "c89d76b3a0f9b7c3a16260ae555c6c8c3dde29f39101411878f7d0447682b818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89d76b3a0f9b7c3a16260ae555c6c8c3dde29f39101411878f7d0447682b818", kill_on_drop: false }`
[INFO] [stdout] c89d76b3a0f9b7c3a16260ae555c6c8c3dde29f39101411878f7d0447682b818