[INFO] fetching crate object-chain 0.1.1...
[INFO] testing object-chain-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate object-chain 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate object-chain 0.1.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate object-chain 0.1.1
[INFO] finished tweaking crates.io crate object-chain 0.1.1
[INFO] tweaked toml for crates.io crate object-chain 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b555feb3b822443707670e7d5f4363d88286bbbf9b0abee8b884b88fce8bce7
[INFO] running `Command { std: "docker" "start" "-a" "7b555feb3b822443707670e7d5f4363d88286bbbf9b0abee8b884b88fce8bce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b555feb3b822443707670e7d5f4363d88286bbbf9b0abee8b884b88fce8bce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b555feb3b822443707670e7d5f4363d88286bbbf9b0abee8b884b88fce8bce7", kill_on_drop: false }`
[INFO] [stdout] 7b555feb3b822443707670e7d5f4363d88286bbbf9b0abee8b884b88fce8bce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 309f293885630c93105b7093bfeeeb5f142fc3a492b18e061d2e2c64fd7d3c5d
[INFO] running `Command { std: "docker" "start" "-a" "309f293885630c93105b7093bfeeeb5f142fc3a492b18e061d2e2c64fd7d3c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling object-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "309f293885630c93105b7093bfeeeb5f142fc3a492b18e061d2e2c64fd7d3c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309f293885630c93105b7093bfeeeb5f142fc3a492b18e061d2e2c64fd7d3c5d", kill_on_drop: false }`
[INFO] [stdout] 309f293885630c93105b7093bfeeeb5f142fc3a492b18e061d2e2c64fd7d3c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11eba295c9a75276c822ecc8dd3d589b31e4c783de846c92dfa1d27d926fbd0a
[INFO] running `Command { std: "docker" "start" "-a" "11eba295c9a75276c822ecc8dd3d589b31e4c783de846c92dfa1d27d926fbd0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling object-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "11eba295c9a75276c822ecc8dd3d589b31e4c783de846c92dfa1d27d926fbd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11eba295c9a75276c822ecc8dd3d589b31e4c783de846c92dfa1d27d926fbd0a", kill_on_drop: false }`
[INFO] [stdout] 11eba295c9a75276c822ecc8dd3d589b31e4c783de846c92dfa1d27d926fbd0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cf4f609cf3cbbfbc7c5415bec990082da22ab4ec0b87e3850d721133b93580f
[INFO] running `Command { std: "docker" "start" "-a" "2cf4f609cf3cbbfbc7c5415bec990082da22ab4ec0b87e3850d721133b93580f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/object_chain-debcc9448c1b86f5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test test::test_accessing_elements_with_common_interface ... ok
[INFO] [stdout] test test::test_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests object-chain
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - chain (line 143) ... ok
[INFO] [stdout] test src/lib.rs - chain (line 153) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cf4f609cf3cbbfbc7c5415bec990082da22ab4ec0b87e3850d721133b93580f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf4f609cf3cbbfbc7c5415bec990082da22ab4ec0b87e3850d721133b93580f", kill_on_drop: false }`
[INFO] [stdout] 2cf4f609cf3cbbfbc7c5415bec990082da22ab4ec0b87e3850d721133b93580f