[INFO] fetching crate dino 0.1.2...
[INFO] testing dino-0.1.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate dino 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dino 0.1.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d72e98d5a801cbbeba3556e320174e51eeae22087bcf9a3a3cf3d76cb0724426
[INFO] running `Command { std: "docker" "start" "-a" "d72e98d5a801cbbeba3556e320174e51eeae22087bcf9a3a3cf3d76cb0724426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d72e98d5a801cbbeba3556e320174e51eeae22087bcf9a3a3cf3d76cb0724426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72e98d5a801cbbeba3556e320174e51eeae22087bcf9a3a3cf3d76cb0724426", kill_on_drop: false }`
[INFO] [stdout] d72e98d5a801cbbeba3556e320174e51eeae22087bcf9a3a3cf3d76cb0724426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08a9681172cbc357a67105c57c1f472b79381a4c023441e59a0f146985c0eac
[INFO] running `Command { std: "docker" "start" "-a" "d08a9681172cbc357a67105c57c1f472b79381a4c023441e59a0f146985c0eac", kill_on_drop: false }`
[INFO] [stderr] Compiling serde v1.0.117
[INFO] [stderr] Compiling serde_json v1.0.59
[INFO] [stderr] Compiling itoa v0.4.6
[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