[INFO] fetching crate json-feed-model 0.1.0...
[INFO] testing json-feed-model-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate json-feed-model 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate json-feed-model 0.1.0 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 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-13/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 341de337275460af1625c5218b508c370d927c7ce9511160d53bdc717386607f
[INFO] running `Command { std: "docker" "start" "-a" "341de337275460af1625c5218b508c370d927c7ce9511160d53bdc717386607f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "341de337275460af1625c5218b508c370d927c7ce9511160d53bdc717386607f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341de337275460af1625c5218b508c370d927c7ce9511160d53bdc717386607f", kill_on_drop: false }`
[INFO] [stdout] 341de337275460af1625c5218b508c370d927c7ce9511160d53bdc717386607f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4f51d421388104eb4b72f9e4d02f73dab98ad8825b4202ca7272cb3e5d89a5a8
[INFO] running `Command { std: "docker" "start" "-a" "4f51d421388104eb4b72f9e4d02f73dab98ad8825b4202ca7272cb3e5d89a5a8", 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 3.43s
[INFO] running `Command { std: "docker" "inspect" "4f51d421388104eb4b72f9e4d02f73dab98ad8825b4202ca7272cb3e5d89a5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f51d421388104eb4b72f9e4d02f73dab98ad8825b4202ca7272cb3e5d89a5a8", kill_on_drop: false }`
[INFO] [stdout] 4f51d421388104eb4b72f9e4d02f73dab98ad8825b4202ca7272cb3e5d89a5a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9fa407fba01aaee41b07ddaac9ac6e1694683f1a6021a618bbc604da91eb25f4
[INFO] running `Command { std: "docker" "start" "-a" "9fa407fba01aaee41b07ddaac9ac6e1694683f1a6021a618bbc604da91eb25f4", 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 1.70s
[INFO] running `Command { std: "docker" "inspect" "9fa407fba01aaee41b07ddaac9ac6e1694683f1a6021a618bbc604da91eb25f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa407fba01aaee41b07ddaac9ac6e1694683f1a6021a618bbc604da91eb25f4", kill_on_drop: false }`
[INFO] [stdout] 9fa407fba01aaee41b07ddaac9ac6e1694683f1a6021a618bbc604da91eb25f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bb8d692f8c0877e7b0ba2130e15a7e131e568237ca73e040e35d858701349aa9
[INFO] running `Command { std: "docker" "start" "-a" "bb8d692f8c0877e7b0ba2130e15a7e131e568237ca73e040e35d858701349aa9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_feed_model-2adf41fbeb20b04e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-feed-model
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::is_valid_version_backward_compatible ... ok
[INFO] [stdout] test tests::custom_extension_trait ... ok
[INFO] [stdout] test tests::is_valid_version_forward_compatible ... ok
[INFO] [stdout] test tests::read_extensions ... 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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - from_value (line 1815) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - Feed (line 1206) ... 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 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb8d692f8c0877e7b0ba2130e15a7e131e568237ca73e040e35d858701349aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8d692f8c0877e7b0ba2130e15a7e131e568237ca73e040e35d858701349aa9", kill_on_drop: false }`
[INFO] [stdout] bb8d692f8c0877e7b0ba2130e15a7e131e568237ca73e040e35d858701349aa9