[INFO] fetching crate rate-guard-core 0.7.2...
[INFO] building rate-guard-core-0.7.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rate-guard-core 0.7.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rate-guard-core 0.7.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rate-guard-core 0.7.2
[INFO] tweaked toml for crates.io crate rate-guard-core 0.7.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rate-guard-core 0.7.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rate-guard-core 0.7.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f31d3cd0aea6299f806619df8d59eae95235852722a6753452c8ade8011f2e52
[INFO] running `Command { std: "docker" "start" "-a" "f31d3cd0aea6299f806619df8d59eae95235852722a6753452c8ade8011f2e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f31d3cd0aea6299f806619df8d59eae95235852722a6753452c8ade8011f2e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31d3cd0aea6299f806619df8d59eae95235852722a6753452c8ade8011f2e52", kill_on_drop: false }`
[INFO] [stdout] f31d3cd0aea6299f806619df8d59eae95235852722a6753452c8ade8011f2e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfd40fcce9baf814db0d7a90ff8857a9832d4f9a536480412ff3b41ba0f94e1e
[INFO] running `Command { std: "docker" "start" "-a" "cfd40fcce9baf814db0d7a90ff8857a9832d4f9a536480412ff3b41ba0f94e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rate-guard-core v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "cfd40fcce9baf814db0d7a90ff8857a9832d4f9a536480412ff3b41ba0f94e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd40fcce9baf814db0d7a90ff8857a9832d4f9a536480412ff3b41ba0f94e1e", kill_on_drop: false }`
[INFO] [stdout] cfd40fcce9baf814db0d7a90ff8857a9832d4f9a536480412ff3b41ba0f94e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3f0535585f98b7b25042f36bf9180d1eeebf17d60d438d46474c28c48e4b43e
[INFO] running `Command { std: "docker" "start" "-a" "d3f0535585f98b7b25042f36bf9180d1eeebf17d60d438d46474c28c48e4b43e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rate-guard-core v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "d3f0535585f98b7b25042f36bf9180d1eeebf17d60d438d46474c28c48e4b43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f0535585f98b7b25042f36bf9180d1eeebf17d60d438d46474c28c48e4b43e", kill_on_drop: false }`
[INFO] [stdout] d3f0535585f98b7b25042f36bf9180d1eeebf17d60d438d46474c28c48e4b43e