[INFO] fetching crate native-json 1.2.10...
[INFO] testing native-json-1.2.10 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate native-json 1.2.10 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate native-json 1.2.10
[INFO] finished tweaking crates.io crate native-json 1.2.10
[INFO] tweaked toml for crates.io crate native-json 1.2.10 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate native-json 1.2.10 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[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] 30c24d1938ed7ae23a4789d639acac5169da9875fa46fdfc70ffcd2ca40042a9
[INFO] running `Command { std: "docker" "start" "-a" "30c24d1938ed7ae23a4789d639acac5169da9875fa46fdfc70ffcd2ca40042a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c24d1938ed7ae23a4789d639acac5169da9875fa46fdfc70ffcd2ca40042a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c24d1938ed7ae23a4789d639acac5169da9875fa46fdfc70ffcd2ca40042a9", kill_on_drop: false }`
[INFO] [stdout] 30c24d1938ed7ae23a4789d639acac5169da9875fa46fdfc70ffcd2ca40042a9
[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] a3b901a845b5e6e17a0d1994f1229663730e6986828d37c5cb7f399b327cc6c0
[INFO] running `Command { std: "docker" "start" "-a" "a3b901a845b5e6e17a0d1994f1229663730e6986828d37c5cb7f399b327cc6c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling native-json-macro v1.0.8
[INFO] [stderr]    Compiling native-json v1.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "a3b901a845b5e6e17a0d1994f1229663730e6986828d37c5cb7f399b327cc6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b901a845b5e6e17a0d1994f1229663730e6986828d37c5cb7f399b327cc6c0", kill_on_drop: false }`
[INFO] [stdout] a3b901a845b5e6e17a0d1994f1229663730e6986828d37c5cb7f399b327cc6c0
[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] 56db74257fc1ea6625be6f4ea1a03e2b1d726a1c87bf9cf4e68994c5db7c1e8b
[INFO] running `Command { std: "docker" "start" "-a" "56db74257fc1ea6625be6f4ea1a03e2b1d726a1c87bf9cf4e68994c5db7c1e8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling native-json v1.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `json` is never read
[INFO] [stdout]   --> tests/test-json.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     json.type_ = "".into();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "56db74257fc1ea6625be6f4ea1a03e2b1d726a1c87bf9cf4e68994c5db7c1e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56db74257fc1ea6625be6f4ea1a03e2b1d726a1c87bf9cf4e68994c5db7c1e8b", kill_on_drop: false }`
[INFO] [stdout] 56db74257fc1ea6625be6f4ea1a03e2b1d726a1c87bf9cf4e68994c5db7c1e8b
[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] 2378b6843cb004e4027bbc632ce6941254447d7d2e33eff229cafdc2c2f2da31
[INFO] running `Command { std: "docker" "start" "-a" "2378b6843cb004e4027bbc632ce6941254447d7d2e33eff229cafdc2c2f2da31", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `json` is never read
[INFO] [stderr]   --> tests/test-json.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     json.type_ = "".into();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `native-json` (test "test-json") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/native_json-21261e3b8d2acd15)
[INFO] [stderr]      Running tests/test-json.rs (/opt/rustwide/target/debug/deps/test_json-8d92fe5c8134c5a7)
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test json_instance ... ok
[INFO] [stdout] test json_test_array_with_custom_type ... ok
[INFO] [stdout] test json_test_inline_comment ... ok
[INFO] [stdout] test json_optional_field ... ok
[INFO] [stdout] test json_declare ... ok
[INFO] [stdout] test json_reserved_keywords ... ok
[INFO] [stdout] test json_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2378b6843cb004e4027bbc632ce6941254447d7d2e33eff229cafdc2c2f2da31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2378b6843cb004e4027bbc632ce6941254447d7d2e33eff229cafdc2c2f2da31", kill_on_drop: false }`
[INFO] [stdout] 2378b6843cb004e4027bbc632ce6941254447d7d2e33eff229cafdc2c2f2da31