[INFO] fetching crate json_value_remove 1.0.0...
[INFO] testing json_value_remove-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate json_value_remove 1.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate json_value_remove 1.0.0 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_value_remove 1.0.0
[INFO] finished tweaking crates.io crate json_value_remove 1.0.0
[INFO] tweaked toml for crates.io crate json_value_remove 1.0.0 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 57a7db7c62a76032300b41f8743d824626e257f8d81a168a4885302e88858f66
[INFO] running `Command { std: "docker" "start" "-a" "57a7db7c62a76032300b41f8743d824626e257f8d81a168a4885302e88858f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57a7db7c62a76032300b41f8743d824626e257f8d81a168a4885302e88858f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a7db7c62a76032300b41f8743d824626e257f8d81a168a4885302e88858f66", kill_on_drop: false }`
[INFO] [stdout] 57a7db7c62a76032300b41f8743d824626e257f8d81a168a4885302e88858f66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d681328bbec14895233105732e38d0c6846764ee3ab25a82bf3b0a036e805258
[INFO] running `Command { std: "docker" "start" "-a" "d681328bbec14895233105732e38d0c6846764ee3ab25a82bf3b0a036e805258", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_value_remove v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d681328bbec14895233105732e38d0c6846764ee3ab25a82bf3b0a036e805258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d681328bbec14895233105732e38d0c6846764ee3ab25a82bf3b0a036e805258", kill_on_drop: false }`
[INFO] [stdout] d681328bbec14895233105732e38d0c6846764ee3ab25a82bf3b0a036e805258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8b9761e678dff01583320c35c6926c70b3076e76533e77693d649dd6262d5ab0
[INFO] running `Command { std: "docker" "start" "-a" "8b9761e678dff01583320c35c6926c70b3076e76533e77693d649dd6262d5ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_value_remove v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "8b9761e678dff01583320c35c6926c70b3076e76533e77693d649dd6262d5ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9761e678dff01583320c35c6926c70b3076e76533e77693d649dd6262d5ab0", kill_on_drop: false }`
[INFO] [stdout] 8b9761e678dff01583320c35c6926c70b3076e76533e77693d649dd6262d5ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] bc9492c6ca7bb3035e294b3f324d6fb17dffc81eace02c9476ed8be2cf5fb4b3
[INFO] running `Command { std: "docker" "start" "-a" "bc9492c6ca7bb3035e294b3f324d6fb17dffc81eace02c9476ed8be2cf5fb4b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_value_remove-045626dee5980f00)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test serde_json_value_remove_test::it_should_raise_exception_in_array_with_unavailable_field ... ok
[INFO] [stdout] test serde_json_value_remove_test::it_should_remove_element_in_object ... ok
[INFO] [stdout] test serde_json_value_remove_test::it_should_raise_exception_in_array_with_unavailable_index ... ok
[INFO] [stdout] test serde_json_value_remove_test::it_should_remove_element_in_array ... ok
[INFO] [stdout] test serde_json_value_remove_test::it_should_return_empty_if_field_not_exist ... ok
[INFO] [stdout] test serde_json_value_remove_test::it_should_return_empty_if_field_is_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_value_remove
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - serde_json::Value::remove (line 23) ... ok
[INFO] [stdout] test src/lib.rs - serde_json::Value::remove (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc9492c6ca7bb3035e294b3f324d6fb17dffc81eace02c9476ed8be2cf5fb4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9492c6ca7bb3035e294b3f324d6fb17dffc81eace02c9476ed8be2cf5fb4b3", kill_on_drop: false }`
[INFO] [stdout] bc9492c6ca7bb3035e294b3f324d6fb17dffc81eace02c9476ed8be2cf5fb4b3