[INFO] fetching crate json-feed-model 0.1.0...
[INFO] testing json-feed-model-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate json-feed-model 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate json-feed-model 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-feed-model 0.1.0
[INFO] finished tweaking crates.io crate json-feed-model 0.1.0
[INFO] tweaked toml for crates.io crate json-feed-model 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae095565d0d9fd15f61ce45a72c0c4404b57d30d9880e4cad5e6c086957eea38
[INFO] running `Command { std: "docker" "start" "-a" "ae095565d0d9fd15f61ce45a72c0c4404b57d30d9880e4cad5e6c086957eea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae095565d0d9fd15f61ce45a72c0c4404b57d30d9880e4cad5e6c086957eea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae095565d0d9fd15f61ce45a72c0c4404b57d30d9880e4cad5e6c086957eea38", kill_on_drop: false }`
[INFO] [stdout] ae095565d0d9fd15f61ce45a72c0c4404b57d30d9880e4cad5e6c086957eea38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 135be2984542740bd3251bb7dc7e21671f239503edfd5df49cf77b3399316cb0
[INFO] running `Command { std: "docker" "start" "-a" "135be2984542740bd3251bb7dc7e21671f239503edfd5df49cf77b3399316cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling json-feed-model v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "135be2984542740bd3251bb7dc7e21671f239503edfd5df49cf77b3399316cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135be2984542740bd3251bb7dc7e21671f239503edfd5df49cf77b3399316cb0", kill_on_drop: false }`
[INFO] [stdout] 135be2984542740bd3251bb7dc7e21671f239503edfd5df49cf77b3399316cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780a2a5487fccc59d25e4ad45c0b94c8a0fadcbdfe22eca7f98a0b5b9d5c4910
[INFO] running `Command { std: "docker" "start" "-a" "780a2a5487fccc59d25e4ad45c0b94c8a0fadcbdfe22eca7f98a0b5b9d5c4910", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-feed-model v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "780a2a5487fccc59d25e4ad45c0b94c8a0fadcbdfe22eca7f98a0b5b9d5c4910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780a2a5487fccc59d25e4ad45c0b94c8a0fadcbdfe22eca7f98a0b5b9d5c4910", kill_on_drop: false }`
[INFO] [stdout] 780a2a5487fccc59d25e4ad45c0b94c8a0fadcbdfe22eca7f98a0b5b9d5c4910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9666ab2548907de5e8a63797b8bf2f48746ec503b411ae80ff5b6a135d83129
[INFO] running `Command { std: "docker" "start" "-a" "e9666ab2548907de5e8a63797b8bf2f48746ec503b411ae80ff5b6a135d83129", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_feed_model-9ad736425c61062d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::is_valid_version_backward_compatible ... ok
[INFO] [stdout] test tests::read_extensions ... ok
[INFO] [stdout] test tests::custom_extension_trait ... ok
[INFO] [stdout] test tests::is_valid_version_forward_compatible ... ok
[INFO] [stdout] test tests::simple_example ... ok
[INFO] [stdout] test tests::write_extensions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-feed-model
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - from_value (line 1815) ... ok
[INFO] [stdout] test src/lib.rs - Feed (line 1206) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9666ab2548907de5e8a63797b8bf2f48746ec503b411ae80ff5b6a135d83129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9666ab2548907de5e8a63797b8bf2f48746ec503b411ae80ff5b6a135d83129", kill_on_drop: false }`
[INFO] [stdout] e9666ab2548907de5e8a63797b8bf2f48746ec503b411ae80ff5b6a135d83129