[INFO] fetching crate serde-json-wasm 0.3.1...
[INFO] testing serde-json-wasm-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde-json-wasm 0.3.1 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate serde-json-wasm 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fa67fde3c77effeb9bf191816ba4d4746a58bcca33ab582831968b51de1c3d5
[INFO] running `Command { std: "docker" "start" "-a" "9fa67fde3c77effeb9bf191816ba4d4746a58bcca33ab582831968b51de1c3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa67fde3c77effeb9bf191816ba4d4746a58bcca33ab582831968b51de1c3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa67fde3c77effeb9bf191816ba4d4746a58bcca33ab582831968b51de1c3d5", kill_on_drop: false }`
[INFO] [stdout] 9fa67fde3c77effeb9bf191816ba4d4746a58bcca33ab582831968b51de1c3d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7727e0530e43aca9579ff32e06b2fe0eeb14f4b4133aebedfdd70cd5a521fd6
[INFO] running `Command { std: "docker" "start" "-a" "e7727e0530e43aca9579ff32e06b2fe0eeb14f4b4133aebedfdd70cd5a521fd6", kill_on_drop: false }`
[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 8.58s
[INFO] running `Command { std: "docker" "inspect" "e7727e0530e43aca9579ff32e06b2fe0eeb14f4b4133aebedfdd70cd5a521fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7727e0530e43aca9579ff32e06b2fe0eeb14f4b4133aebedfdd70cd5a521fd6", kill_on_drop: false }`
[INFO] [stdout] e7727e0530e43aca9579ff32e06b2fe0eeb14f4b4133aebedfdd70cd5a521fd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105298105b00f2747b816cac59656f2d5f4b045eacb8a6b870f9f6dd31352723
[INFO] running `Command { std: "docker" "start" "-a" "105298105b00f2747b816cac59656f2d5f4b045eacb8a6b870f9f6dd31352723", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling itoa v0.4.8
[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 15.39s
[INFO] running `Command { std: "docker" "inspect" "105298105b00f2747b816cac59656f2d5f4b045eacb8a6b870f9f6dd31352723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105298105b00f2747b816cac59656f2d5f4b045eacb8a6b870f9f6dd31352723", kill_on_drop: false }`
[INFO] [stdout] 105298105b00f2747b816cac59656f2d5f4b045eacb8a6b870f9f6dd31352723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d98cbed3d39d95182e667c63becab961de6afaa03477514c35969084b85c273
[INFO] running `Command { std: "docker" "start" "-a" "5d98cbed3d39d95182e667c63becab961de6afaa03477514c35969084b85c273", 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 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_json_wasm-10225086353e225c)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stderr]    Doc-tests serde-json-wasm
[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::parse_whitespace ... ok
[INFO] [stdout] test de::tests::string ... ok
[INFO] [stdout] test de::tests::struct_bool ... ok
[INFO] [stdout] test de::tests::struct_empty ... ok
[INFO] [stdout] test de::tests::struct_i8 ... ok
[INFO] [stdout] test de::tests::struct_nothing ... 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::unescape::tests::hex_decode_works ... ok
[INFO] [stdout] test de::tests::wot ... 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::array ... ok
[INFO] [stdout] test ser::tests::bool ... 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_mixed ... ok
[INFO] [stdout] test ser::tests::enum_variants_unit_like ... ok
[INFO] [stdout] test ser::tests::newtype ... ok
[INFO] [stdout] test ser::tests::number ... 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::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 0.03s
[INFO] [stdout] 
[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" "5d98cbed3d39d95182e667c63becab961de6afaa03477514c35969084b85c273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d98cbed3d39d95182e667c63becab961de6afaa03477514c35969084b85c273", kill_on_drop: false }`
[INFO] [stdout] 5d98cbed3d39d95182e667c63becab961de6afaa03477514c35969084b85c273