[INFO] fetching crate ssof 0.2.1...
[INFO] testing ssof-0.2.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate ssof 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ssof 0.2.1
[INFO] finished tweaking crates.io crate ssof 0.2.1
[INFO] tweaked toml for crates.io crate ssof 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssof 0.2.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssof 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e74d4c1a9be807219dec9fae891589247a2705392c2c0c608cea9d01a9609eef
[INFO] running `Command { std: "docker" "start" "-a" "e74d4c1a9be807219dec9fae891589247a2705392c2c0c608cea9d01a9609eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e74d4c1a9be807219dec9fae891589247a2705392c2c0c608cea9d01a9609eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74d4c1a9be807219dec9fae891589247a2705392c2c0c608cea9d01a9609eef", kill_on_drop: false }`
[INFO] [stdout] e74d4c1a9be807219dec9fae891589247a2705392c2c0c608cea9d01a9609eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3dd213d465e389677d9a43ad6ad03cc00bf33243785f9c9d72e2707a579077
[INFO] running `Command { std: "docker" "start" "-a" "dc3dd213d465e389677d9a43ad6ad03cc00bf33243785f9c9d72e2707a579077", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling ssof v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "dc3dd213d465e389677d9a43ad6ad03cc00bf33243785f9c9d72e2707a579077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3dd213d465e389677d9a43ad6ad03cc00bf33243785f9c9d72e2707a579077", kill_on_drop: false }`
[INFO] [stdout] dc3dd213d465e389677d9a43ad6ad03cc00bf33243785f9c9d72e2707a579077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ce9ef007fc6add007df4bab60cf4a06483ee3f72270848f39e9ad37256d9aa
[INFO] running `Command { std: "docker" "start" "-a" "01ce9ef007fc6add007df4bab60cf4a06483ee3f72270848f39e9ad37256d9aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling ssof v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "01ce9ef007fc6add007df4bab60cf4a06483ee3f72270848f39e9ad37256d9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ce9ef007fc6add007df4bab60cf4a06483ee3f72270848f39e9ad37256d9aa", kill_on_drop: false }`
[INFO] [stdout] 01ce9ef007fc6add007df4bab60cf4a06483ee3f72270848f39e9ad37256d9aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cc3a42d89933c758e3abb585732484d4a5a74769d5361614ac6427ec183db50
[INFO] running `Command { std: "docker" "start" "-a" "1cc3a42d89933c758e3abb585732484d4a5a74769d5361614ac6427ec183db50", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ssof-eb7a4025fce9483b)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test tests::append_creates_missing_array_and_remove_missing_value_is_noop ... ok
[INFO] [stdout] test tests::append_to_array_index_creates_nested_array_slot ... ok
[INFO] [stdout] test tests::backtrack_only_entries_do_not_emit_implicit_null ... ok
[INFO] [stdout] test tests::applies_incremental_patch ... ok
[INFO] [stdout] test tests::distinguishes_object_keys_and_array_indexes ... ok
[INFO] [stdout] test tests::parses_minimal_generation_example ... ok
[INFO] [stdout] test tests::parses_null_numeric_and_string_value_edges ... ok
[INFO] [stdout] test tests::follows_first_valid_key_suffix_rule ... ok
[INFO] [stdout] test tests::parses_percent_encoded_reserved_key_characters ... ok
[INFO] [stdout] test tests::parses_percent_encoded_keys_and_values ... ok
[INFO] [stdout] test tests::preserves_forced_values ... ok
[INFO] [stdout] test tests::rejects_conflicting_self_container_retyping ... ok
[INFO] [stdout] test tests::rejects_empty_string_serialization ... ok
[INFO] [stdout] test tests::rejects_entering_existing_scalar_value ... ok
[INFO] [stdout] test tests::rejects_invalid_percent_escape ... ok
[INFO] [stdout] test tests::rejects_path_backtracking_past_root ... ok
[INFO] [stdout] test tests::rejects_sparse_arrays ... ok
[INFO] [stdout] test tests::rejects_named_keys_after_array_typing ... ok
[INFO] [stdout] test tests::rejects_trailing_content_after_container_entry ... ok
[INFO] [stdout] test tests::supports_self_paths_inside_nested_object_context ... ok
[INFO] [stdout] test tests::removing_from_non_array_target_errors ... ok
[INFO] [stdout] test tests::serializes_empty_arrays_and_root_empty_object ... ok
[INFO] [stdout] test tests::round_trips_supported_values ... ok
[INFO] [stdout] test tests::serializes_flags_and_escaped_content ... ok
[INFO] [stdout] test tests::serializes_root_array_with_explicit_indexes ... ok
[INFO] [stdout] test tests::rejects_value_entries_inside_object_container ... ok
[INFO] [stdout] test tests::serializes_root_scalar_with_self_assignment ... ok
[INFO] [stdout] test tests::supports_self_paths_for_current_namespace_operations ... ok
[INFO] [stdout] test tests::supports_double_colon_array_entry ... ok
[INFO] [stdout] test tests::round_trips_array_booleans ... ok
[INFO] [stdout] test tests::supports_self_paths_in_apply_mode ... ok
[INFO] [stdout] test tests::treats_explicit_current_named_keys_like_regular_object_keys ... ok
[INFO] [stdout] test tests::serializes_root_boolean_with_self_flag ... ok
[INFO] [stdout] test tests::supports_self_paths_inside_nested_array_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ssof
[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" "1cc3a42d89933c758e3abb585732484d4a5a74769d5361614ac6427ec183db50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc3a42d89933c758e3abb585732484d4a5a74769d5361614ac6427ec183db50", kill_on_drop: false }`
[INFO] [stdout] 1cc3a42d89933c758e3abb585732484d4a5a74769d5361614ac6427ec183db50