[INFO] fetching crate smooth-json 0.2.7...
[INFO] testing smooth-json-0.2.7 against 1.91.0 for beta-1.92-2
[INFO] extracting crate smooth-json 0.2.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate smooth-json 0.2.7
[INFO] finished tweaking crates.io crate smooth-json 0.2.7
[INFO] tweaked toml for crates.io crate smooth-json 0.2.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smooth-json 0.2.7 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smooth-json 0.2.7 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e639bae443e4c9ffde1946d4635489858a8ccb845195d9e91e060f7ae9e16fe
[INFO] running `Command { std: "docker" "start" "-a" "4e639bae443e4c9ffde1946d4635489858a8ccb845195d9e91e060f7ae9e16fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e639bae443e4c9ffde1946d4635489858a8ccb845195d9e91e060f7ae9e16fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e639bae443e4c9ffde1946d4635489858a8ccb845195d9e91e060f7ae9e16fe", kill_on_drop: false }`
[INFO] [stdout] 4e639bae443e4c9ffde1946d4635489858a8ccb845195d9e91e060f7ae9e16fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32ad5838f45e623c127890d19c0d98e7cbd9c7091b7ee4cbf5f289113aeb5c0f
[INFO] running `Command { std: "docker" "start" "-a" "32ad5838f45e623c127890d19c0d98e7cbd9c7091b7ee4cbf5f289113aeb5c0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling smooth-json v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "32ad5838f45e623c127890d19c0d98e7cbd9c7091b7ee4cbf5f289113aeb5c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ad5838f45e623c127890d19c0d98e7cbd9c7091b7ee4cbf5f289113aeb5c0f", kill_on_drop: false }`
[INFO] [stdout] 32ad5838f45e623c127890d19c0d98e7cbd9c7091b7ee4cbf5f289113aeb5c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 502ed0d66bbefc17878e4276434dcc32f568e1de9e95bab6272a4e5c97a71449
[INFO] running `Command { std: "docker" "start" "-a" "502ed0d66bbefc17878e4276434dcc32f568e1de9e95bab6272a4e5c97a71449", kill_on_drop: false }`
[INFO] [stderr]    Compiling smooth-json v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "502ed0d66bbefc17878e4276434dcc32f568e1de9e95bab6272a4e5c97a71449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502ed0d66bbefc17878e4276434dcc32f568e1de9e95bab6272a4e5c97a71449", kill_on_drop: false }`
[INFO] [stdout] 502ed0d66bbefc17878e4276434dcc32f568e1de9e95bab6272a4e5c97a71449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efe6cb49d37050ac8b5308c7c7a98215b0a0f2d05f622c2ee2d9e15ace8aa99a
[INFO] running `Command { std: "docker" "start" "-a" "efe6cb49d37050ac8b5308c7c7a98215b0a0f2d05f622c2ee2d9e15ace8aa99a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smooth_json-a639d11f8fc5cf30)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::array_no_collision ... ok
[INFO] [stdout] test tests::array_preserve ... ok
[INFO] [stdout] test tests::custom_separator ... ok
[INFO] [stdout] test tests::nested_array_preserve ... ok
[INFO] [stdout] test tests::object ... ok
[INFO] [stdout] test tests::only_value ... ok
[INFO] [stdout] test tests::arr_no_key ... ok
[INFO] [stdout] test tests::collision_array ... ok
[INFO] [stdout] test tests::collision_object ... ok
[INFO] [stdout] test tests::serde_example ... ok
[INFO] [stdout] test tests::nested_arrays_and_objects ... ok
[INFO] [stdout] test tests::nested_arrays ... ok
[INFO] [stdout] test tests::arr_empty_key ... ok
[INFO] [stdout] test tests::array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smooth_json
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Flattener::separator (line 27) ... ok
[INFO] [stdout] test src/lib.rs - Flattener::preserve_arrays (line 41) ... ok
[INFO] [stdout] test src/lib.rs - Flattener<'a>::new (line 76) ... ok
[INFO] [stdout] test src/lib.rs - Flattener::alt_array_flattening (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - Flattener<'a> (line 60) ... ok
[INFO] [stdout] test src/lib.rs - Flattener (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Flattener<'a>::flatten (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "efe6cb49d37050ac8b5308c7c7a98215b0a0f2d05f622c2ee2d9e15ace8aa99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe6cb49d37050ac8b5308c7c7a98215b0a0f2d05f622c2ee2d9e15ace8aa99a", kill_on_drop: false }`
[INFO] [stdout] efe6cb49d37050ac8b5308c7c7a98215b0a0f2d05f622c2ee2d9e15ace8aa99a