[INFO] fetching crate yosys-netlist-json 0.0.2...
[INFO] checking yosys-netlist-json-0.0.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate yosys-netlist-json 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yosys-netlist-json 0.0.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yosys-netlist-json 0.0.2
[INFO] finished tweaking crates.io crate yosys-netlist-json 0.0.2
[INFO] tweaked toml for crates.io crate yosys-netlist-json 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b7da60b3b8c9437df19aa58a5bba3f91dee56a69c32fe8238fd0afad833e800
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1b7da60b3b8c9437df19aa58a5bba3f91dee56a69c32fe8238fd0afad833e800"`
[INFO] [stderr]     Checking yosys-netlist-json v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:82
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:82
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:81
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn serialize(&self, record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:108:82
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:81
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn serialize(&self, record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:108:82
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn serialize(&self, _record: &slog::Record, key: slog::Key, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "1b7da60b3b8c9437df19aa58a5bba3f91dee56a69c32fe8238fd0afad833e800"`
[INFO] running `"docker" "rm" "-f" "1b7da60b3b8c9437df19aa58a5bba3f91dee56a69c32fe8238fd0afad833e800"`
[INFO] [stdout] 1b7da60b3b8c9437df19aa58a5bba3f91dee56a69c32fe8238fd0afad833e800