[INFO] fetching crate jsondata 0.8.0...
[INFO] checking jsondata-0.8.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate jsondata 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jsondata 0.8.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsondata 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate jsondata 0.8.0
[INFO] tweaked toml for crates.io crate jsondata 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate jsondata 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.63
[INFO] [stderr]   Downloaded jsondata-derive v0.1.0
[INFO] [stderr]   Downloaded regex v1.4.4
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded quickcheck v0.7.2
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] [stderr]   Downloaded unicode_reader v0.1.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21f8ff57f8cd6059f325ce9e0d6d612e198094c19ee530ab96b696921b6ba969
[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" "21f8ff57f8cd6059f325ce9e0d6d612e198094c19ee530ab96b696921b6ba969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21f8ff57f8cd6059f325ce9e0d6d612e198094c19ee530ab96b696921b6ba969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f8ff57f8cd6059f325ce9e0d6d612e198094c19ee530ab96b696921b6ba969", kill_on_drop: false }`
[INFO] [stdout] 21f8ff57f8cd6059f325ce9e0d6d612e198094c19ee530ab96b696921b6ba969
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb6be28c3ec306e1e5e8a1599e24a5ca0f0072fa8841874a375dc6caba073fe7
[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" "fb6be28c3ec306e1e5e8a1599e24a5ca0f0072fa8841874a375dc6caba073fe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode_reader v0.1.1
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling jsondata-derive v0.1.0
[INFO] [stderr]     Checking jsondata v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this enum variant takes 2 arguments but 1 argument was supplied
[INFO] [stdout]  --> examples/macro.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(JsonSerialize, Default, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          supplied 1 argument
[INFO] [stdout]   |          expected 2 arguments
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `JsonSerialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this enum variant takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> examples/macro.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(JsonSerialize, Default, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          supplied 1 argument
[INFO] [stdout]    |          expected 2 arguments
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `JsonSerialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this enum variant takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> examples/macro.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(JsonSerialize, Default, Clone, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          supplied 1 argument
[INFO] [stdout]    |          expected 2 arguments
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `JsonSerialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsondata` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fb6be28c3ec306e1e5e8a1599e24a5ca0f0072fa8841874a375dc6caba073fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6be28c3ec306e1e5e8a1599e24a5ca0f0072fa8841874a375dc6caba073fe7", kill_on_drop: false }`
[INFO] [stdout] fb6be28c3ec306e1e5e8a1599e24a5ca0f0072fa8841874a375dc6caba073fe7