[INFO] fetching crate data-alchemist-json 0.1.2...
[INFO] testing data-alchemist-json-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate data-alchemist-json 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate data-alchemist-json 0.1.2
[INFO] finished tweaking crates.io crate data-alchemist-json 0.1.2
[INFO] tweaked toml for crates.io crate data-alchemist-json 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate data-alchemist-json 0.1.2 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]     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 23 packages to latest compatible versions
[INFO] [stderr]       Adding mockall v0.12.1 (available: v0.13.1)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 19d272e69d7922397a97c7b8f63af12610118fe67ecb6e76bf1da5348df4186a
[INFO] running `Command { std: "docker" "start" "-a" "19d272e69d7922397a97c7b8f63af12610118fe67ecb6e76bf1da5348df4186a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d272e69d7922397a97c7b8f63af12610118fe67ecb6e76bf1da5348df4186a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d272e69d7922397a97c7b8f63af12610118fe67ecb6e76bf1da5348df4186a", kill_on_drop: false }`
[INFO] [stdout] 19d272e69d7922397a97c7b8f63af12610118fe67ecb6e76bf1da5348df4186a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 89af43a37444574179a7e85b5d0ac96c64d46055668ea9c2680621cc38fb35eb
[INFO] running `Command { std: "docker" "start" "-a" "89af43a37444574179a7e85b5d0ac96c64d46055668ea9c2680621cc38fb35eb", 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 data-alchemist v0.1.2
[INFO] [stderr]    Compiling data-alchemist-json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.96s
[INFO] running `Command { std: "docker" "inspect" "89af43a37444574179a7e85b5d0ac96c64d46055668ea9c2680621cc38fb35eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89af43a37444574179a7e85b5d0ac96c64d46055668ea9c2680621cc38fb35eb", kill_on_drop: false }`
[INFO] [stdout] 89af43a37444574179a7e85b5d0ac96c64d46055668ea9c2680621cc38fb35eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3bf5cdf6f23321f71c07840823dbb3d2899065feef4cb1f748764672a31e81ff
[INFO] running `Command { std: "docker" "start" "-a" "3bf5cdf6f23321f71c07840823dbb3d2899065feef4cb1f748764672a31e81ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling mockall_derive v0.12.1
[INFO] [stderr]    Compiling mockall v0.12.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling data-alchemist v0.1.2
[INFO] [stderr]    Compiling data-alchemist-json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.46s
[INFO] running `Command { std: "docker" "inspect" "3bf5cdf6f23321f71c07840823dbb3d2899065feef4cb1f748764672a31e81ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf5cdf6f23321f71c07840823dbb3d2899065feef4cb1f748764672a31e81ff", kill_on_drop: false }`
[INFO] [stdout] 3bf5cdf6f23321f71c07840823dbb3d2899065feef4cb1f748764672a31e81ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a74342b06315fb5dcff4a65b4b7f423c92a4b32dce1cad8c1e1b2e26437529a7
[INFO] running `Command { std: "docker" "start" "-a" "a74342b06315fb5dcff4a65b4b7f423c92a4b32dce1cad8c1e1b2e26437529a7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/data_alchemist_json-4f453aaf5535fdd2)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test reader::test::given_unrecognized_var_should_fail ... ok
[INFO] [stdout] test reader::test::given_valid_input_successful_deserializes ... ok
[INFO] [stdout] test writer::test::given_sink_write_error_should_return_error ... ok
[INFO] [stdout] test reader::test::given_missing_required_field_should_fail ... ok
[INFO] [stdout] test writer::test::given_valid_struct_should_serialize_and_write ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests data_alchemist_json
[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" "a74342b06315fb5dcff4a65b4b7f423c92a4b32dce1cad8c1e1b2e26437529a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74342b06315fb5dcff4a65b4b7f423c92a4b32dce1cad8c1e1b2e26437529a7", kill_on_drop: false }`
[INFO] [stdout] a74342b06315fb5dcff4a65b4b7f423c92a4b32dce1cad8c1e1b2e26437529a7