[INFO] fetching crate serde-json-wasm 0.3.1...
[INFO] testing serde-json-wasm-0.3.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate serde-json-wasm 0.3.1 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate serde-json-wasm 0.3.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-json-wasm 0.3.1
[INFO] finished tweaking crates.io crate serde-json-wasm 0.3.1
[INFO] tweaked toml for crates.io crate serde-json-wasm 0.3.1 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bed3f614379caa57e5a37fb85dc22337c458a28eb996de66b5f3e7b1ba9ea1af
[INFO] running `Command { std: "docker" "start" "-a" "bed3f614379caa57e5a37fb85dc22337c458a28eb996de66b5f3e7b1ba9ea1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bed3f614379caa57e5a37fb85dc22337c458a28eb996de66b5f3e7b1ba9ea1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed3f614379caa57e5a37fb85dc22337c458a28eb996de66b5f3e7b1ba9ea1af", kill_on_drop: false }`
[INFO] [stdout] bed3f614379caa57e5a37fb85dc22337c458a28eb996de66b5f3e7b1ba9ea1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21c50cff9e76f48622efa102a99851166cb2905c1ae4c922dda750f88db5f503
[INFO] running `Command { std: "docker" "start" "-a" "21c50cff9e76f48622efa102a99851166cb2905c1ae4c922dda750f88db5f503", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde-json-wasm v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "21c50cff9e76f48622efa102a99851166cb2905c1ae4c922dda750f88db5f503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c50cff9e76f48622efa102a99851166cb2905c1ae4c922dda750f88db5f503", kill_on_drop: false }`
[INFO] [stdout] 21c50cff9e76f48622efa102a99851166cb2905c1ae4c922dda750f88db5f503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72d5377eb890746d3af0cc336ef24a75a1cceccc79752aaaf30c82750dc74b3f
[INFO] running `Command { std: "docker" "start" "-a" "72d5377eb890746d3af0cc336ef24a75a1cceccc79752aaaf30c82750dc74b3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde-json-wasm v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/de/mod.rs:868:24
[INFO] [stdout]     |
[INFO] [stdout] 868 |         struct Empty {};
[INFO] [stdout]     |                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.05s
[INFO] running `Command { std: "docker" "inspect" "72d5377eb890746d3af0cc336ef24a75a1cceccc79752aaaf30c82750dc74b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d5377eb890746d3af0cc336ef24a75a1cceccc79752aaaf30c82750dc74b3f", kill_on_drop: false }`
[INFO] [stdout] 72d5377eb890746d3af0cc336ef24a75a1cceccc79752aaaf30c82750dc74b3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 308c351c47de3ca889addae66439ab81e2981669a91ffb57a1aca2ecb8f93652
[INFO] running `Command { std: "docker" "start" "-a" "308c351c47de3ca889addae66439ab81e2981669a91ffb57a1aca2ecb8f93652", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/de/mod.rs:868:24
[INFO] [stderr]     |
[INFO] [stderr] 868 |         struct Empty {};
[INFO] [stderr]     |                        ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-json-wasm` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_json_wasm-ace6395b282c8bda)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test de::tests::array ... ok
[INFO] [stdout] test de::tests::bool ... ok
[INFO] [stdout] test de::tests::deserialize_embedded_enum ... ok
[INFO] [stdout] test de::tests::deserialize_optional_vector ... ok
[INFO] [stdout] test de::tests::enum_clike ... ok
[INFO] [stdout] test de::tests::ignoring_extra_fields ... ok
[INFO] [stdout] test de::tests::newtypes ... ok
[INFO] [stdout] test de::tests::string ... ok
[INFO] [stdout] test de::tests::struct_bool ... ok
[INFO] [stdout] test de::tests::struct_nothing ... ok
[INFO] [stdout] test de::tests::parse_whitespace ... ok
[INFO] [stdout] test de::tests::struct_empty ... ok
[INFO] [stdout] test de::tests::struct_i8 ... ok
[INFO] [stdout] test de::tests::struct_option ... ok
[INFO] [stdout] test de::tests::struct_tuple ... ok
[INFO] [stdout] test de::tests::struct_u8 ... ok
[INFO] [stdout] test de::tests::tuple ... ok
[INFO] [stdout] test de::tests::tuple_variant ... ok
[INFO] [stdout] test de::tests::wot ... ok
[INFO] [stdout] test de::unescape::tests::hex_decode_works ... ok
[INFO] [stdout] test de::unescape::tests::unescape_fails_for_broken_surrogates ... ok
[INFO] [stdout] test de::unescape::tests::unescape_fails_for_control_characters ... ok
[INFO] [stdout] test de::unescape::tests::unescape_fails_for_invalid_escape_sequence ... ok
[INFO] [stdout] test de::unescape::tests::unescape_fails_for_lone_surrogates ... ok
[INFO] [stdout] test de::unescape::tests::unescape_works ... ok
[INFO] [stdout] test de::unescape::tests::unescape_works_for_surrogate_pairs ... ok
[INFO] [stdout] test ser::tests::bool ... ok
[INFO] [stdout] test ser::tests::array ... ok
[INFO] [stdout] test ser::tests::enum_mixed ... ok
[INFO] [stdout] test ser::tests::enum_variants_c_like_structs ... ok
[INFO] [stdout] test ser::tests::enum_variants_tuple_like_structs ... ok
[INFO] [stdout] test ser::tests::enum_variants_unit_like ... ok
[INFO] [stdout] test ser::tests::newtype ... ok
[INFO] [stdout] test ser::tests::serialize_embedded_enum ... ok
[INFO] [stdout] test ser::tests::str ... ok
[INFO] [stdout] test ser::tests::struct_ ... ok
[INFO] [stdout] test ser::tests::number ... ok
[INFO] [stdout] test ser::tests::struct_bool ... ok
[INFO] [stdout] test ser::tests::struct_i8 ... ok
[INFO] [stdout] test ser::tests::struct_option ... ok
[INFO] [stdout] test ser::tests::struct_u8 ... ok
[INFO] [stdout] test ser::tests::tuple ... ok
[INFO] [stdout] test test::can_serde ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-json-wasm
[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" "308c351c47de3ca889addae66439ab81e2981669a91ffb57a1aca2ecb8f93652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308c351c47de3ca889addae66439ab81e2981669a91ffb57a1aca2ecb8f93652", kill_on_drop: false }`
[INFO] [stdout] 308c351c47de3ca889addae66439ab81e2981669a91ffb57a1aca2ecb8f93652