[INFO] cloning repository https://github.com/kirillemilio/hnsw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirillemilio/hnsw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillemilio%2Fhnsw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillemilio%2Fhnsw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6867d06a98d19bf1aa6dda518ed24e33440eba2
[INFO] checking kirillemilio/hnsw against master#fd17deacce374a4185c882795be162e17b557050 for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirillemilio%2Fhnsw" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirillemilio/hnsw on toolchain fd17deacce374a4185c882795be162e17b557050
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirillemilio/hnsw
[INFO] finished tweaking git repo https://github.com/kirillemilio/hnsw
[INFO] tweaked toml for git repo https://github.com/kirillemilio/hnsw written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kirillemilio/hnsw 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" "+fd17deacce374a4185c882795be162e17b557050" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16d8af2ad1555c6cea56136f067c2064a418ca670df64135ca66fd40a118d72c
[INFO] running `Command { std: "docker" "start" "-a" "16d8af2ad1555c6cea56136f067c2064a418ca670df64135ca66fd40a118d72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d8af2ad1555c6cea56136f067c2064a418ca670df64135ca66fd40a118d72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d8af2ad1555c6cea56136f067c2064a418ca670df64135ca66fd40a118d72c", kill_on_drop: false }`
[INFO] [stdout] 16d8af2ad1555c6cea56136f067c2064a418ca670df64135ca66fd40a118d72c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc3a78300c514e305b49d3cbc68ba0f20d59eac898ec4f7f26ded2764ec7d9d6
[INFO] running `Command { std: "docker" "start" "-a" "bc3a78300c514e305b49d3cbc68ba0f20d59eac898ec4f7f26ded2764ec7d9d6", kill_on_drop: false }`
[INFO] [stderr]     Checking hnsw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/dog.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Dog {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/cat.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cat {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/kitten/kitten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Kitten {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/dog.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Dog {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/cat.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cat {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/kitten/kitten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Kitten {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dog::Dog`
[INFO] [stdout]  --> src/animals/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use dog::Dog;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cat::Cat`
[INFO] [stdout]  --> src/animals/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use cat::Cat;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `animal::Animal`
[INFO] [stdout]  --> src/animals/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use animal::Animal;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kitten::Kitten`
[INFO] [stdout]  --> src/animals/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use kitten::Kitten;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `doghouse::DogHouse`
[INFO] [stdout]  --> src/houses/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use doghouse::DogHouse;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/dog.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Dog {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/cat.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cat {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/kitten/kitten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Kitten {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dog::Dog`
[INFO] [stdout]  --> src/animals/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use dog::Dog;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cat::Cat`
[INFO] [stdout]  --> src/animals/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use cat::Cat;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `animal::Animal`
[INFO] [stdout]  --> src/animals/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use animal::Animal;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kitten::Kitten`
[INFO] [stdout]  --> src/animals/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use kitten::Kitten;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `doghouse::DogHouse`
[INFO] [stdout]  --> src/houses/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use doghouse::DogHouse;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/dog.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Dog {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/cat.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cat {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/animals/kitten/kitten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Kitten {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     age: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "bc3a78300c514e305b49d3cbc68ba0f20d59eac898ec4f7f26ded2764ec7d9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3a78300c514e305b49d3cbc68ba0f20d59eac898ec4f7f26ded2764ec7d9d6", kill_on_drop: false }`
[INFO] [stdout] bc3a78300c514e305b49d3cbc68ba0f20d59eac898ec4f7f26ded2764ec7d9d6