[INFO] fetching crate serde-json-wasm 0.2.1...
[INFO] testing serde-json-wasm-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde-json-wasm 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde-json-wasm 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-json-wasm 0.2.1
[INFO] finished tweaking crates.io crate serde-json-wasm 0.2.1
[INFO] tweaked toml for crates.io crate serde-json-wasm 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c9b15906f65d15c3cb8044fe0e0610979e81fa6e0980933abf6e436d9e23449
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c9b15906f65d15c3cb8044fe0e0610979e81fa6e0980933abf6e436d9e23449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c9b15906f65d15c3cb8044fe0e0610979e81fa6e0980933abf6e436d9e23449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9b15906f65d15c3cb8044fe0e0610979e81fa6e0980933abf6e436d9e23449", kill_on_drop: false }`
[INFO] [stdout] 7c9b15906f65d15c3cb8044fe0e0610979e81fa6e0980933abf6e436d9e23449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da078770d913d06537a7f8e02ea8da1e2ea9a18d30fe76e7275281b466258aee
[INFO] running `Command { std: "docker" "start" "-a" "da078770d913d06537a7f8e02ea8da1e2ea9a18d30fe76e7275281b466258aee", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde-json-wasm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "da078770d913d06537a7f8e02ea8da1e2ea9a18d30fe76e7275281b466258aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da078770d913d06537a7f8e02ea8da1e2ea9a18d30fe76e7275281b466258aee", kill_on_drop: false }`
[INFO] [stdout] da078770d913d06537a7f8e02ea8da1e2ea9a18d30fe76e7275281b466258aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9cbc6c079c852403511dca662ca623a544e3373b887ae162b1afb02dcc637db
[INFO] running `Command { std: "docker" "start" "-a" "d9cbc6c079c852403511dca662ca623a544e3373b887ae162b1afb02dcc637db", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-json-wasm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "d9cbc6c079c852403511dca662ca623a544e3373b887ae162b1afb02dcc637db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cbc6c079c852403511dca662ca623a544e3373b887ae162b1afb02dcc637db", kill_on_drop: false }`
[INFO] [stdout] d9cbc6c079c852403511dca662ca623a544e3373b887ae162b1afb02dcc637db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0758b524b4873f0cf8442920d3bd3a7744eb4e9460ce2a1c9ef7381b3a4a2f0e
[INFO] running `Command { std: "docker" "start" "-a" "0758b524b4873f0cf8442920d3bd3a7744eb4e9460ce2a1c9ef7381b3a4a2f0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_json_wasm-9eb5041fbe54cabc
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test de::tests::array ... ok
[INFO] [stdout] test de::tests::bool ... ok
[INFO] [stdout] test de::tests::enum_clike ... ok
[INFO] [stdout] test de::tests::ignoring_extra_fields ... ok
[INFO] [stdout] test de::tests::struct_bool ... ok
[INFO] [stdout] test de::tests::parse_whitespace ... ok
[INFO] [stdout] test de::tests::string ... ok
[INFO] [stdout] test de::unescape::tests::unescape_fails_for_lone_surrogates ... ok
[INFO] [stdout] test de::tests::struct_i8 ... ok
[INFO] [stdout] test de::unescape::tests::unescape_works ... 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::tests::struct_option ... ok
[INFO] [stdout] test ser::tests::array ... ok
[INFO] [stdout] test de::tests::wot ... ok
[INFO] [stdout] test de::unescape::tests::hex_decode_works ... ok
[INFO] [stdout] test de::tests::struct_tuple ... ok
[INFO] [stdout] test ser::tests::serialize_embedded_enum ... 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 test::can_serde ... ok
[INFO] [stdout] test de::tests::struct_u8 ... ok
[INFO] [stdout] test ser::tests::number ... 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::newtype ... ok
[INFO] [stdout] test de::tests::deserialize_optional_vector ... ok
[INFO] [stdout] test de::unescape::tests::unescape_fails_for_broken_surrogates ... ok
[INFO] [stdout] test ser::tests::bool ... ok
[INFO] [stdout] test de::tests::deserialize_embedded_enum ... ok
[INFO] [stdout] test ser::tests::enum_ ... ok
[INFO] [stdout] test de::unescape::tests::unescape_works_for_surrogate_pairs ... ok
[INFO] [stdout] test de::tests::newtypes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "0758b524b4873f0cf8442920d3bd3a7744eb4e9460ce2a1c9ef7381b3a4a2f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0758b524b4873f0cf8442920d3bd3a7744eb4e9460ce2a1c9ef7381b3a4a2f0e", kill_on_drop: false }`
[INFO] [stdout] 0758b524b4873f0cf8442920d3bd3a7744eb4e9460ce2a1c9ef7381b3a4a2f0e