[INFO] fetching crate json-structural-diff 0.1.0...
[INFO] testing json-structural-diff-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate json-structural-diff 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate json-structural-diff 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-structural-diff 0.1.0
[INFO] finished tweaking crates.io crate json-structural-diff 0.1.0
[INFO] tweaked toml for crates.io crate json-structural-diff 0.1.0 written to /workspace/builds/worker-6/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3328eda6f1ddde86888e5aec0d76e1ba4d51ea8b6cde1197e52bf478df845bcb
[INFO] running `Command { std: "docker" "start" "-a" "3328eda6f1ddde86888e5aec0d76e1ba4d51ea8b6cde1197e52bf478df845bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3328eda6f1ddde86888e5aec0d76e1ba4d51ea8b6cde1197e52bf478df845bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3328eda6f1ddde86888e5aec0d76e1ba4d51ea8b6cde1197e52bf478df845bcb", kill_on_drop: false }`
[INFO] [stdout] 3328eda6f1ddde86888e5aec0d76e1ba4d51ea8b6cde1197e52bf478df845bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0f288f62d9a1831b94a1745992ae8ba19b771a5ff93aa11d6859b58007a6557b
[INFO] running `Command { std: "docker" "start" "-a" "0f288f62d9a1831b94a1745992ae8ba19b771a5ff93aa11d6859b58007a6557b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling json-structural-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "0f288f62d9a1831b94a1745992ae8ba19b771a5ff93aa11d6859b58007a6557b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f288f62d9a1831b94a1745992ae8ba19b771a5ff93aa11d6859b58007a6557b", kill_on_drop: false }`
[INFO] [stdout] 0f288f62d9a1831b94a1745992ae8ba19b771a5ff93aa11d6859b58007a6557b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 105ec299d0c3b5abb38932a7166222cce7bbc61d5b7e6d1bcf4695a60314bad3
[INFO] running `Command { std: "docker" "start" "-a" "105ec299d0c3b5abb38932a7166222cce7bbc61d5b7e6d1bcf4695a60314bad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-structural-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "105ec299d0c3b5abb38932a7166222cce7bbc61d5b7e6d1bcf4695a60314bad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105ec299d0c3b5abb38932a7166222cce7bbc61d5b7e6d1bcf4695a60314bad3", kill_on_drop: false }`
[INFO] [stdout] 105ec299d0c3b5abb38932a7166222cce7bbc61d5b7e6d1bcf4695a60314bad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9612bf8522843f15e44425948ef04321b7d7637bd28519e541903a0f4609cdb9
[INFO] running `Command { std: "docker" "start" "-a" "9612bf8522843f15e44425948ef04321b7d7637bd28519e541903a0f4609cdb9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_structural_diff-239a19b85b8d568c)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test diff::tests::test_array_of_objects_keys ... ok
[INFO] [stdout] test diff::tests::test_scalar ... ok
[INFO] [stdout] test diff::tests::test_array_of_scalars ... ok
[INFO] [stderr]    Doc-tests json-structural-diff
[INFO] [stdout] test diff::tests::test_objects_keys ... ok
[INFO] [stdout] test diff::tests::test_objects ... ok
[INFO] [stdout] test diff::tests::test_scalar_keys ... ok
[INFO] [stdout] test diff::tests::test_array_of_scalars_keys ... ok
[INFO] [stdout] test diff::tests::test_diff_string ... ok
[INFO] [stdout] test diff::tests::test_array_of_objects ... ok
[INFO] [stdout] test colorize::tests::test_colorize_to_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9612bf8522843f15e44425948ef04321b7d7637bd28519e541903a0f4609cdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9612bf8522843f15e44425948ef04321b7d7637bd28519e541903a0f4609cdb9", kill_on_drop: false }`
[INFO] [stdout] 9612bf8522843f15e44425948ef04321b7d7637bd28519e541903a0f4609cdb9