[INFO] fetching crate deltastruct 0.1.8...
[INFO] testing deltastruct-0.1.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate deltastruct 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate deltastruct 0.1.8 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deltastruct 0.1.8
[INFO] finished tweaking crates.io crate deltastruct 0.1.8
[INFO] tweaked toml for crates.io crate deltastruct 0.1.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deltastruct_proc v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cfd0da083a3a8659a3d6f04c5b331ff6e0c2bdab21ea4bc5010329f831619f4
[INFO] running `Command { std: "docker" "start" "-a" "0cfd0da083a3a8659a3d6f04c5b331ff6e0c2bdab21ea4bc5010329f831619f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cfd0da083a3a8659a3d6f04c5b331ff6e0c2bdab21ea4bc5010329f831619f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfd0da083a3a8659a3d6f04c5b331ff6e0c2bdab21ea4bc5010329f831619f4", kill_on_drop: false }`
[INFO] [stdout] 0cfd0da083a3a8659a3d6f04c5b331ff6e0c2bdab21ea4bc5010329f831619f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0841f7df29c0a7ea44ed4a3a93f58bb13d6198d669eec6f9d45038b6b79ae28
[INFO] running `Command { std: "docker" "start" "-a" "a0841f7df29c0a7ea44ed4a3a93f58bb13d6198d669eec6f9d45038b6b79ae28", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling deltastruct_proc v0.1.8
[INFO] [stderr]    Compiling deltastruct v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "a0841f7df29c0a7ea44ed4a3a93f58bb13d6198d669eec6f9d45038b6b79ae28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0841f7df29c0a7ea44ed4a3a93f58bb13d6198d669eec6f9d45038b6b79ae28", kill_on_drop: false }`
[INFO] [stdout] a0841f7df29c0a7ea44ed4a3a93f58bb13d6198d669eec6f9d45038b6b79ae28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd731d4655d6f75023b2ac41673bc9efb6ffec337fee6223141cf1abef3ba08e
[INFO] running `Command { std: "docker" "start" "-a" "cd731d4655d6f75023b2ac41673bc9efb6ffec337fee6223141cf1abef3ba08e", kill_on_drop: false }`
[INFO] [stderr]    Compiling deltastruct v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `clone` that must be used
[INFO] [stdout]    --> src/lib.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 |     testbugdelta.clone();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "cd731d4655d6f75023b2ac41673bc9efb6ffec337fee6223141cf1abef3ba08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd731d4655d6f75023b2ac41673bc9efb6ffec337fee6223141cf1abef3ba08e", kill_on_drop: false }`
[INFO] [stdout] cd731d4655d6f75023b2ac41673bc9efb6ffec337fee6223141cf1abef3ba08e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 351704c42a8e22c30eb76a98855d601af38a81585c828143376076bd5c56bb6e
[INFO] running `Command { std: "docker" "start" "-a" "351704c42a8e22c30eb76a98855d601af38a81585c828143376076bd5c56bb6e", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `clone` that must be used
[INFO] [stderr]    --> src/lib.rs:253:5
[INFO] [stderr]     |
[INFO] [stderr] 253 |     testbugdelta.clone();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stderr] 
[INFO] [stderr] warning: `deltastruct` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deltastruct-7af3d4aa5666b906)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deltastruct
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::delta_derives ... ok
[INFO] [stdout] test tests::field_func ... ok
[INFO] [stdout] test tests::self_func ... 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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - deltastruct (line 128) ... ok
[INFO] [stdout] test src/lib.rs - deltastruct (line 103) ... ok
[INFO] [stdout] test src/lib.rs - DeltaStruct (line 163) ... ok
[INFO] [stdout] test src/lib.rs - DeltaStruct (line 149) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "351704c42a8e22c30eb76a98855d601af38a81585c828143376076bd5c56bb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351704c42a8e22c30eb76a98855d601af38a81585c828143376076bd5c56bb6e", kill_on_drop: false }`
[INFO] [stdout] 351704c42a8e22c30eb76a98855d601af38a81585c828143376076bd5c56bb6e