[INFO] fetching crate native-json 1.2.10...
[INFO] testing native-json-1.2.10 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate native-json 1.2.10 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate native-json 1.2.10 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6685523d5679180cabe7eeb34ad0db81145bf3f95fa7e085f1cf90d14fe3f026
[INFO] running `Command { std: "docker" "start" "-a" "6685523d5679180cabe7eeb34ad0db81145bf3f95fa7e085f1cf90d14fe3f026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6685523d5679180cabe7eeb34ad0db81145bf3f95fa7e085f1cf90d14fe3f026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6685523d5679180cabe7eeb34ad0db81145bf3f95fa7e085f1cf90d14fe3f026", kill_on_drop: false }`
[INFO] [stdout] 6685523d5679180cabe7eeb34ad0db81145bf3f95fa7e085f1cf90d14fe3f026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea9a991fe2de1ec5aae4a720c21befcecbd730c7a2dcf1fdc93767b2954ab184
[INFO] running `Command { std: "docker" "start" "-a" "ea9a991fe2de1ec5aae4a720c21befcecbd730c7a2dcf1fdc93767b2954ab184", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[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 3.87s
[INFO] running `Command { std: "docker" "inspect" "ea9a991fe2de1ec5aae4a720c21befcecbd730c7a2dcf1fdc93767b2954ab184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9a991fe2de1ec5aae4a720c21befcecbd730c7a2dcf1fdc93767b2954ab184", kill_on_drop: false }`
[INFO] [stdout] ea9a991fe2de1ec5aae4a720c21befcecbd730c7a2dcf1fdc93767b2954ab184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3e369b6fee9557fae60860a7af218a11e87dc063432d6dce52abbba1c7184a
[INFO] running `Command { std: "docker" "start" "-a" "da3e369b6fee9557fae60860a7af218a11e87dc063432d6dce52abbba1c7184a", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "da3e369b6fee9557fae60860a7af218a11e87dc063432d6dce52abbba1c7184a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3e369b6fee9557fae60860a7af218a11e87dc063432d6dce52abbba1c7184a", kill_on_drop: false }`
[INFO] [stdout] da3e369b6fee9557fae60860a7af218a11e87dc063432d6dce52abbba1c7184a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b42fb158ed18392cbb56ab1e1a0e35ec9b7fde1fa8e7989522bff25a1ccfcff6
[INFO] running `Command { std: "docker" "start" "-a" "b42fb158ed18392cbb56ab1e1a0e35ec9b7fde1fa8e7989522bff25a1ccfcff6", 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/native_json-c1c90abd7bf2fdb7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test-json.rs (/opt/rustwide/target/debug/deps/test_json-cd3f2f5ecbc6b9ca)
[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_declare ... ok
[INFO] [stdout] test json_reserved_keywords ... ok
[INFO] [stdout] test json_test_array_with_custom_type ... ok
[INFO] [stdout] test json_serialize ... ok
[INFO] [stdout] test json_optional_field ... ok
[INFO] [stdout] test json_test_inline_comment ... ok
[INFO] [stdout] test json_instance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b42fb158ed18392cbb56ab1e1a0e35ec9b7fde1fa8e7989522bff25a1ccfcff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42fb158ed18392cbb56ab1e1a0e35ec9b7fde1fa8e7989522bff25a1ccfcff6", kill_on_drop: false }`
[INFO] [stdout] b42fb158ed18392cbb56ab1e1a0e35ec9b7fde1fa8e7989522bff25a1ccfcff6