[INFO] fetching crate json-elem 0.1.4...
[INFO] testing json-elem-0.1.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate json-elem 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate json-elem 0.1.4
[INFO] finished tweaking crates.io crate json-elem 0.1.4
[INFO] tweaked toml for crates.io crate json-elem 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-elem 0.1.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case-macros v3.3.1
[INFO] [stderr]   Downloaded test-case v3.3.1
[INFO] [stderr]   Downloaded test-case-core v3.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 376d15e7dde50c065de78203fd8d768f52a38be343b2da4df5fe4b1f30b270c2
[INFO] running `Command { std: "docker" "start" "-a" "376d15e7dde50c065de78203fd8d768f52a38be343b2da4df5fe4b1f30b270c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376d15e7dde50c065de78203fd8d768f52a38be343b2da4df5fe4b1f30b270c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376d15e7dde50c065de78203fd8d768f52a38be343b2da4df5fe4b1f30b270c2", kill_on_drop: false }`
[INFO] [stdout] 376d15e7dde50c065de78203fd8d768f52a38be343b2da4df5fe4b1f30b270c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbbaf60aa9633be1436dad73a892d0dc94a9c2f747692710798bfb64356acb5
[INFO] running `Command { std: "docker" "start" "-a" "6dbbaf60aa9633be1436dad73a892d0dc94a9c2f747692710798bfb64356acb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling json-elem v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "6dbbaf60aa9633be1436dad73a892d0dc94a9c2f747692710798bfb64356acb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbbaf60aa9633be1436dad73a892d0dc94a9c2f747692710798bfb64356acb5", kill_on_drop: false }`
[INFO] [stdout] 6dbbaf60aa9633be1436dad73a892d0dc94a9c2f747692710798bfb64356acb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4150e5a263f04c84c5c3154ec796c0d860dccabd7ae5b0348753fd0dfaca74b
[INFO] running `Command { std: "docker" "start" "-a" "f4150e5a263f04c84c5c3154ec796c0d860dccabd7ae5b0348753fd0dfaca74b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]    Compiling test-case v3.3.1
[INFO] [stderr]    Compiling json-elem v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `Command { std: "docker" "inspect" "f4150e5a263f04c84c5c3154ec796c0d860dccabd7ae5b0348753fd0dfaca74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4150e5a263f04c84c5c3154ec796c0d860dccabd7ae5b0348753fd0dfaca74b", kill_on_drop: false }`
[INFO] [stdout] f4150e5a263f04c84c5c3154ec796c0d860dccabd7ae5b0348753fd0dfaca74b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3959fa86b4323c9275280874e268552fc95f9480a453c650d96e4d5812f0d031
[INFO] running `Command { std: "docker" "start" "-a" "3959fa86b4323c9275280874e268552fc95f9480a453c650d96e4d5812f0d031", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_elem-8de76b22a33d02b8)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test test::bool ... ok
[INFO] [stdout] test test::float ... ok
[INFO] [stdout] test test::hashmap::hashmap_with_jsonvalue_bool ... ok
[INFO] [stdout] test test::hashmap::hashmap_with_jsonvalue_float ... ok
[INFO] [stdout] test test::hashmap::hashmap_with_jsonvalue_integer ... ok
[INFO] [stdout] test test::hashmap::hashmap_with_jsonvalue_vec ... ok
[INFO] [stdout] test test::hashmap_within_a_hashmap::bool ... ok
[INFO] [stdout] test test::hashmap_within_a_hashmap::integer ... ok
[INFO] [stdout] test test::hashmap_within_a_hashmap::string ... ok
[INFO] [stdout] test test::integer ... ok
[INFO] [stdout] test test::json_elem_convert_from_any_type_with_deserialize_downed ... ok
[INFO] [stdout] test test::hashmap_within_a_hashmap::float ... ok
[INFO] [stdout] test test::json_elem_convert_to_any_type_with_deserialize_downed ... ok
[INFO] [stdout] test test::hashmap_within_a_hashmap::vec ... ok
[INFO] [stdout] test test::string ... ok
[INFO] [stdout] test test::test_from_json_string_to_jsonelem ... ok
[INFO] [stdout] test test::test_from_jsonelem_to_json_slice ... ok
[INFO] [stdout] test test::test_from_json_slice_to_jsonelem ... ok
[INFO] [stdout] test test::hashmap::hashmap_with_jsonvalue_string ... ok
[INFO] [stdout] test test::test_from_jsonelem_to_json_string ... ok
[INFO] [stdout] test test::test_recursive_print ... ok
[INFO] [stdout] test test::vec ... ok
[INFO] [stdout] test test::test_null ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_elem
[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" "3959fa86b4323c9275280874e268552fc95f9480a453c650d96e4d5812f0d031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3959fa86b4323c9275280874e268552fc95f9480a453c650d96e4d5812f0d031", kill_on_drop: false }`
[INFO] [stdout] 3959fa86b4323c9275280874e268552fc95f9480a453c650d96e4d5812f0d031