[INFO] fetching crate flatten-serde-json 0.1.0...
[INFO] testing flatten-serde-json-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate flatten-serde-json 0.1.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate flatten-serde-json 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatten-serde-json 0.1.0
[INFO] finished tweaking crates.io crate flatten-serde-json 0.1.0
[INFO] tweaked toml for crates.io crate flatten-serde-json 0.1.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate flatten-serde-json 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e580ce3eaedd31fa4667f9c95d3607a8b7bb052582f3ef658e96fef3ce2ac45
[INFO] running `Command { std: "docker" "start" "-a" "1e580ce3eaedd31fa4667f9c95d3607a8b7bb052582f3ef658e96fef3ce2ac45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e580ce3eaedd31fa4667f9c95d3607a8b7bb052582f3ef658e96fef3ce2ac45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e580ce3eaedd31fa4667f9c95d3607a8b7bb052582f3ef658e96fef3ce2ac45", kill_on_drop: false }`
[INFO] [stdout] 1e580ce3eaedd31fa4667f9c95d3607a8b7bb052582f3ef658e96fef3ce2ac45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9509c07eb484be7f20d8e2c8ca8c0ad4c77bfe142004918982074b9156f9df8d
[INFO] running `Command { std: "docker" "start" "-a" "9509c07eb484be7f20d8e2c8ca8c0ad4c77bfe142004918982074b9156f9df8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling flatten-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "9509c07eb484be7f20d8e2c8ca8c0ad4c77bfe142004918982074b9156f9df8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9509c07eb484be7f20d8e2c8ca8c0ad4c77bfe142004918982074b9156f9df8d", kill_on_drop: false }`
[INFO] [stdout] 9509c07eb484be7f20d8e2c8ca8c0ad4c77bfe142004918982074b9156f9df8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a637a701fee0df6543363ba09ba841f249b069c390c77f4f5b6d0c95b53cf29
[INFO] running `Command { std: "docker" "start" "-a" "7a637a701fee0df6543363ba09ba841f249b069c390c77f4f5b6d0c95b53cf29", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatten-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "7a637a701fee0df6543363ba09ba841f249b069c390c77f4f5b6d0c95b53cf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a637a701fee0df6543363ba09ba841f249b069c390c77f4f5b6d0c95b53cf29", kill_on_drop: false }`
[INFO] [stdout] 7a637a701fee0df6543363ba09ba841f249b069c390c77f4f5b6d0c95b53cf29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0bbb30a5b2fbff187af9b6670ed1c4b82f97d049e53c65acfe91629dd3ecd89
[INFO] running `Command { std: "docker" "start" "-a" "f0bbb30a5b2fbff187af9b6670ed1c4b82f97d049e53c65acfe91629dd3ecd89", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flatten_serde_json-c1c5a15d8f5e49bd)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::collision_with_object ... ok
[INFO] [stdout] test tests::collision_with_array ... ok
[INFO] [stdout] test tests::flatten_array ... ok
[INFO] [stdout] test tests::flatten_nested_arrays ... ok
[INFO] [stdout] test tests::flatten_object ... ok
[INFO] [stdout] test tests::flatten_nested_arrays_and_objects ... ok
[INFO] [stdout] test tests::no_flattening ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flatten_serde_json-5dede3d0e299aa35)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatten-serde-json
[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] [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" "f0bbb30a5b2fbff187af9b6670ed1c4b82f97d049e53c65acfe91629dd3ecd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bbb30a5b2fbff187af9b6670ed1c4b82f97d049e53c65acfe91629dd3ecd89", kill_on_drop: false }`
[INFO] [stdout] f0bbb30a5b2fbff187af9b6670ed1c4b82f97d049e53c65acfe91629dd3ecd89