[INFO] fetching crate dino 0.1.2...
[INFO] testing dino-0.1.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate dino 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dino 0.1.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dino 0.1.2
[INFO] finished tweaking crates.io crate dino 0.1.2
[INFO] tweaked toml for crates.io crate dino 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate dino 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4733bcc42c3c8347ee80eb6e01b3d7b0199f5fabcf708f17cfaaeff945d490d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4733bcc42c3c8347ee80eb6e01b3d7b0199f5fabcf708f17cfaaeff945d490d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4733bcc42c3c8347ee80eb6e01b3d7b0199f5fabcf708f17cfaaeff945d490d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4733bcc42c3c8347ee80eb6e01b3d7b0199f5fabcf708f17cfaaeff945d490d1", kill_on_drop: false }`
[INFO] [stdout] 4733bcc42c3c8347ee80eb6e01b3d7b0199f5fabcf708f17cfaaeff945d490d1
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9594b66bf4b442e8c8a368a9b3ef5d90e62f781491e502b3f00e844421041e31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9594b66bf4b442e8c8a368a9b3ef5d90e62f781491e502b3f00e844421041e31", kill_on_drop: false }`
[INFO] [stderr] Compiling serde v1.0.117
[INFO] [stderr] Compiling itoa v0.4.6
[INFO] [stderr] Compiling serde_json v1.0.59
[INFO] [stderr] Compiling dino v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout] --> src/lib.rs:166:5
[INFO] [stdout] |
[INFO] [stdout] 166 | data: Mutex